Laravel vs codeigniter performanceKazi

I-Shop, ComwayOnline Magento, PHP, AJAX, HTML, JAVA SCRIPT,JQUERY MySql Developer AMC(Annual Management Contract), Matrimonial Portal, CodeIgniter, PHP, HTML, JAVA SCRIPT, JQUERY, MySql. Developer Uniecommerce, Mazaya, Engagedots Kohana Framework, PHP, HTML, JAVA SCRIPT,JQUERY MySql Developer

...target audience will consist of individuals aged between 25-34 and 35-44. - Monitor, analyze, and optimize the performance of our advertising campaign to ensure maximum lead generation and sales conversion. Ideal Candidate: - Proven track record of successfully running and managing Meta Ads campaigns, with a strong focus on lead generation and sales. - Proficiency in creating engaging ad content for Facebook and Instagram, with a keen understanding of the nuances that make ads successful on these platforms. - Experience in effectively targeting and reaching specific audience demographics, particularly those aged between 25-34 and 35-44. - Analytical skills to assess campaign performance, identify areas of improvement, and optimize for the best possible outcomes. If you p...

...¿Eres un experto en optimización y auditoría de sitios web? ¿Tienes experiencia en mejorar SEO, rendimiento, seguridad y accesibilidad? ¡Te estamos buscando! Are you an expert in website optimization and auditing? Do you have experience in improving SEO, performance, security, and accessibility? We are looking for you! Responsabilidades / Responsibilities: - Realizar auditorías completas de sitios web en SEO, rendimiento, seguridad, accesibilidad y experiencia de usuario. - Provide comprehensive website audits in SEO, performance, security, accessibility, and user experience. - Identificar y reportar problemas y oportunidades de mejora en el sitio web. - Identify and report issues and opportunities for website improvement....

I'm in need of a talented fashion designer, specialized in creating captivating casual wear for adults. Your expertise should ideally extend to understanding modern trends, have substantial knowledge about fabric selection. Your designing skills will be utilized to craft comfortable and enticing attire for urban, adult population. Being able to materialize my vi...adult population. Being able to materialize my vision into wearable art is key in this project, hence previous similar projects showcasing your aptitude would be beneficial. Your designs should also be adaptable to various seasons and occasions. Your innovative ideas are much valued here. This project will be an ongoing collaborative process, requiring effective communication, creativity and performance to deliver the...

I'm in need of a skilled developer to add a custom feature to Invoice Ninja. The following required features need to be developed: 1. Receipt on top of payments module - integrate receipt into payments, with ability to add Tax Withholding (for example, 5%) that will be deducted as tax given to the government from the client side. Rece...category - expenses add a sub category (now only category exists), also define how much % of the expense is approved. For example, in some countries if you report car gas expense, only 45% will be acknowledged as expense from the total sum. so 45% from the total expense should go into the reporting. The ideal candidate will be an individual or team with extensive experience in Invoice Ninja, PHP, Laravel, CSS, HTML and proficient in creating c...

I'm seeking an experienced C++ developer to create a simulation study focused on analyzing system performance. The freelancer should be proficient in: - C++ programming - Building simulation models - System performance analysis The end goal is to have a robust, accurate simulation that can analyze the performance of various systems. Prior experience in similar projects would be highly advantageous.

...optimize our website, , for better search engine performance and increased organic traffic. Below are the specific tasks we need you to handle: Keyword Research: Perform thorough keyword research relevant to our industry (freight trading, logistics, transportation, etc.). Identify high-value keywords and keyphrases that our target audience is searching for. On-Page Optimization: Optimize each page of the website by incorporating the identified keywords and keyphrases. Ensure that titles, meta descriptions, headings (H1, H2, etc.), and alt texts are properly optimized. Improve the content quality by adding relevant keywords naturally and ensuring readability and engagement. Optimize URL structures for better SEO performance. Technical SEO: Ensure the website has a clea...

A...creation - Design via Adobe programs such as graphic designs and video content - Management: Posting content multiple times a week across all platforms - Making collaborations Ideal Candidate: - Proficiency in managing Facebook, Twitter, and LinkedIn - Demonstrable experience in social media marketing - Ability to create and curate engaging content - Strong analytical skills to assess the performance of the social media accounts - Excellent communication and organizational skills The project will require daily postings on these platforms, so a candidate with a good work ethic and consistency is preferred. Process: 1- You submit a sample reels&image 2- Meeting online (with top 10) 3- Starting the project for the upcoming 6 months Looking forward to meeting you online!!...

...and calculate grades effectively. - Messaging System: A communication platform that facilitates seamless interaction between all stakeholders (students, teachers, administrators, and parents). By Whatsapp - Schedule Change Option: The system should have a feature that allows for the smooth management of schedule changes. User Base: - The system will cater to over 100 users, so scalability and performance are key considerations. Ideal Skills: - Proficiency in developing and deploying class management systems. - Strong understanding of user interface and user experience design. - Experience in creating scalable systems that can accommodate large numbers of users. - Knowledge of educational technology and best practices in the field. I'm looking for a freelancer who can deli...

I need an expert in Python for maintenance tasks on some existing code. Key Tasks: - **Bug Fixing:** This code has some bugs that need to be identified and fixed to ensure its proper functioning. - **Code Optimization:** Your expertise is crucial to streamline and optimize the performance of the existing code. Ideal Candidate: - Proficient in Python - Experienced in code maintenance - Skilled in bug fixing and code optimization.

As a real estate professional, I'm in need of a Certified SEM Expert with extensive experience in Google Ads to help me boost my product sales. Key Responsibilities: - Implement creative and strategic Google Ads campaigns to drive qualified leads - Optimize ad spend and conversions to ensure a high ROI - Monitor and analyze campaign performance and provide regular reports Ideal Candidate: - Proven track record in managing real estate-focused Google Ads campaigns - In-depth understanding of the real estate market - Google Ads certification - Strong analytical and problem-solving skills - Excellent communication and reporting abilities Please include examples of your past work in your proposal, particularly those that have led to an increase in sales for real estate products.

...on optimizing our current infrastructure, implementing best practices, and ensuring high availability for an application that serves less than 10 tenants. Key responsibilities: - Evaluate our current infrastructure and provide recommendations for improvements - Implement Kubernetes to scale our application efficiently - Set up monitoring and alerting systems to ensure high availability and performance - Work on automating deployment process and optimizing the CI/CD pipeline Ideal Skills: - Proficiency in Node.js - Strong experience with Kubernetes and other container orchestration tools - Background in DevOps and infrastructure management - Experience with Huawei Cloud would be highly beneficial - Knowledge of best practices for multi-tenant application scaling Please note we ...

I'm seeking an experienced sports statistician who specializes in data analysis. We would like to find someone based in the US who has some knowledge ideally of the NFL. Our primary aim is to understand the overall performance of different teams and when they peak (early, mid-, late season, etc.) Key Responsibilities: - Examine several seasons of football, basketball, and baseball statistics (to be decided) - Provide team performance analysis - Generate report highlighting key findings Required Skills and Experience: - Understanding of sports statistics, specifically American football, baseball and basketball - Proficient in statistical analysis tools - Previous experience in sports-data analysis preferred

I'm looking for an experienced mobile automation tester who is proficient in Appium and TestNG framework. - ...both Android and iOS. This includes setting up the necessary environment for this cross-platform testing. - Types of Tests: I'd like to automate Functional, Regression and Performance tests. The freelancer should have a strong understanding and experience in automating these specific types of tests. - Devices/Emulators: The tests should be performed on any available device. There is no specific device or emulator requirements. Ideal Skills: - Proficiency in Appium and TestNG framework - Experience in cross-platform mobile testing (Android and iOS) - Proven background in automating Functional, Regression and Performance tests - Ability to work with any a...

I'm looking for an experienced mobile automation tester who is proficient in Appium and TestNG framework. - ...both Android and iOS. This includes setting up the necessary environment for this cross-platform testing. - Types of Tests: I'd like to automate Functional, Regression and Performance tests. The freelancer should have a strong understanding and experience in automating these specific types of tests. - Devices/Emulators: The tests should be performed on any available device. There is no specific device or emulator requirements. Ideal Skills: - Proficiency in Appium and TestNG framework - Experience in cross-platform mobile testing (Android and iOS) - Proven background in automating Functional, Regression and Performance tests - Ability to work with any a...

...effective ad content tailored to the Abu Dhabi market. Knowledge of the UAE automotive market is a plus. Ability to work within a limited budget during our Beta phase and adjust strategies as our budget increases. Creative mindset to design campaigns for both general promotion and specific car ads. Budget: Initial limited budget due to Beta phase, with potential for gradual increase based on performance and requirement. Location Focus: Starting with Abu Dhabi, with plans to expand to Dubai and other UAE cities. How to Apply: Please provide: Your experience with TikTok ads, especially in the automotive sector or similar industries. Examples of successful campaigns you've managed. Your approach to promoting our website and services in Abu Dhabi. Any initial strategies or id...

"I am looking for a programmer to create software solutions for a website by improving the website's performance through developing techniques to access the website's server via creating code or bot."

I'm seeking a skilled embedded software developer who's proficient in C,...Python to create a custom solution for a microcontroller-based system. The primary focus of this project is the successful implementation of various communication protocols on the embedded software. Key Responsibilities: - Develop an embedded software running on a microcontroller - Implementation of communication protocols within the software - Testing and debugging of the software for optimum performance Ideal Skills and Experience: - Proficient in C, C++, and Python - Previous experience in embedded software development - Familiarity with microcontroller systems - Strong understanding of various communication protocols Please include any relevant past projects or experience with similar softwa...

I need a Laravel developer to create a simple, yet effective admin dashboard with user authentication. The template for the dashboard is ready, and the SQL tables have been set up. The main features of this project include: - **Dashboard:** This should display data from the other 3 pages in a list format as well as in a bar chart. - **Page 1 - Callback List:** A simple list of data from the 'callback' table. - **Page 2 - Token List:** A simple list of data from the 'token' table. - **Page 3 - Name List:** A simple list of data from the 'name' table. For the dashboard, I'm looking for a clean, professional design and prefer the use of bar charts for the graphical representation of the data. User authentication should be straightforward, requir...

...Metrics: - **Efficiency:** Analyze the efficiency of our ship engine assembly processes. - **Performance:** Look into the performance metrics of the assembly line. - **Reliability**: Assess the reliability of our ship engine assembly. Process Insights: - **Workflow Optimization:** Provide insights and recommendations on how we can optimize our workflow for better efficiency and productivity. - Collect datasets for llmRAG and embedding vector database - You should choose the models for llms and RAG and frameworks Ideal Skills: - Proven experience in data science, particularly in the manufacturing industry with a focus on ship engine assembly. - Proficient in analyzing and interpreting efficiency, performance, and reliability metrics. - Excellent at providing actio...

I'm seeking an experienced professional adept at developing and managing Google Ads, particularly within the realm of Display Network campaigns. Your key responsibility will be to increase website traffic to help boost our online presence. Proficiency in analyzing performance reports, monitoring bid management, and optimizing adverts for best ROI is required. To apply, please share: - Your level of expertise and knowledge with Google Display Network - Proven experience in successfully increasing website traffic through Google Ads - Certification in Google Ads will be a plus Only freelancers with extensive experience working with Google Ads are encouraged to apply.

I'm in need of a Google Ads expert to help me boost my product sales through Google Search. I have a list of specific keywords in ...campaign. Key requirements: - Proven experience in Google ads, particularly on Google Search - Ability to develop and optimize campaigns to achieve sales goals - Familiarity with keyword selection and management Your main responsibilities will include: - Reviewing and refining my existing list of keywords - Creating and implementing effective Google Search campaigns - Monitoring the campaign performance and making necessary adjustments - Providing regular reports on the progress and suggesting further optimizations If you have a solid track record of boosting product sales through Google Ads and can work with specific keyword lists, I'd li...

I'm looking for a skilled professional to assist in our Google Ads marketing campaign with the primary goal of generating leads at a national level. Key Requirements: - Experience in designing and implementing Google Ads campaign...effectively - Proven track record of delivering on lead generation targets - Experience in the Healthcare industry (preferred but not mandatory) Your tasks will include: - Setting up the campaign to focus on lead generation - Designing highly effective ad copy and visuals - Continuously monitoring and optimizing the campaign to maximize lead generation - Providing regular reports on campaign performance If you have a proven record of helping businesses generate leads through Google Ads, particularly with a focus on national audiences, I'd lo...

I'm seeking a seasoned CodeIgniter developer with over 7 years of experience to work on my existing website. The primary focus is to enhance the user experience by streamlining the site's navigation, introducing push notifications and refining various other UI elements. Key Responsibilities: - Implement push notifications to improve user engagement and interaction with the site. - Analyze and improve the current navigation system, ensuring a seamless and intuitive user experience. - Fine-tune various other UI elements to enhance the overall user engagement and satisfaction. Key Skills and Experience: - Over 7 years of experience with CodeIgniter. - Proficiency in integrating push notifications into web applications. - Strong understanding of UI/UX principles and e...

I am looking for an experienced Android app developer to create a cutting-edge e-commerce platform. The app needs to support multiple languages and integrate the Google Pay payment gateway. The ideal candidate for this project should have: - Proficiency in Android development and a solid portfolio showcasing similar e-commerce app projects. - Experience with integrating payment gateways, preferably Google Pay. - Ability to implement multi-language support within the app. - Excellent communication skills and a proactive work approach. If you have the skills and experience required, please submit your proposal, including your relevant past work and an estimated timeline for the completion of this project.

I'm looking for a Python developer who can upgrade my current mass mailing script. The goal is to enhance its overall performance, improve the user interface, and add email delivery tracking. Key requirements: - **Performance Improvement**: The upgraded script should handle mass mailing more efficiently, ensuring that emails are sent promptly and don't get caught in spam filters. - **User Interface Enhancement**: A more user-friendly interface with clear controls and options is essential for effective use. - **Email Delivery Tracking**: I need to be able to track email delivery statuses for each recipient. In addition, the primary goal of this upgrade is to improve the inboxing rate. While the current script is functional, I want to enhance it by making it more u...

I'm in need of an experienced developer to build a robust social networking mobile app that runs seamlessly on both Android and iOS platforms. Key Requirements: - Developing a social networking mobile application for both Android and iOS. - Ensure smooth functionality across all devices and versions. - The app should offer high performance and security. Ideal Skills: - Proficiency in using both Android and iOS SDKs. - Experience in building and deploying social networking apps. - Understanding of user interface and user experience (UI/UX) design for mobile apps.

I'm urgently seeking a skilled Vue, Laravel, and PHP developer to address internal server errors affecting my project. I have a website used technology of vue laravel php there is a migration happened to server and the website loaded with errors on A2Hosting platform can anyone help remotely to fix it Key Responsibilities: - You'd be responsible for examining the internal server errors. - You'll need to implement fixes and thoroughly test them to ensure they've resolved the issues. - You should have a deep understanding of Laravel and PHP to effectively troubleshoot. Ideal Skills and Experience: - Proficient with Vue, Laravel, and PHP. - Proven experience in back-end development. - Capable of diagnosing and fixing internal server errors ...

...management of all users in the system including startups, staff, investors, and research partners. - Project tracking: It should enable us to track and monitor all incubator projects. - Resource allocation: Feature to allocate and monitor resources for all included startups is crucial. - Recruitment and selection of businesses: Swipe in potential incubatees, and streamline their onboarding. - Performance tracking: Monitor and assess the development of startups enlisted. - Meetings administration: Schedule, follow up and manage meetings with respective stakeholders. - Integration with a CRM: A centralized place to manage our relationships. - Integration with payment gateway: Financial transactions can be done within the same platform. - Email marketing integration: To send...

I'm in need of a skilled TradingView Pinescript developer to merge two existing indicators into one, and add a few extra indicators where needed. Key Objectives: - Merge two existing indicators into a single, cohesive indicator - Integrate additional indicators as necessary to enhance the performance and usability of the merged indicator The ideal freelancer for this project is expected to have: - Solid experience in TradingView Pinescript development - Expertise in merging and adding indicators in Pinescript - Ability to understand and implement user requirements without a detailed specification. Please note that the project details regarding the specific indicators to be merged and the input parameters are not available at this point. You will be required to analyze exist...

I'm in search of a professional in deep learning, preferably a PhD, ...aspects of neural network design, such as: - Designing neural networks - Explaining and ensuring a deep understanding of deep learning concepts - Training and fine-tuning of models for optimal performance The ideal candidate should possess: - A PhD in the field of deep learning - Previous experience in designing neural networks - Strong communication skills to effectively explain complex concepts in a clear manner You would be expected to help me navigate the intricacies of neural network design, understand the nuances of deep learning concepts, and assist in optimizing models for best performance. Your expertise in Convolutional Neural Networks (CNN) and Recurrent Neural Networks (RNN) would be pa...

Tafadhali Jisajili ama Ingia ili kuona maelezo.

I am looking for an experienced CodeIgniter developer to upgrade my existing CodeIgniter 3 project to CodeIgniter 4. The project is currently live and needs to maintain the same database structure and functionality. The key tasks include: Upgrade CodeIgniter Version: Migrate the entire project from CodeIgniter 3 to CodeIgniter 4, ensuring all features and functionalities remain intact. Optimize SQL Queries: Review and optimize all SQL queries to handle heavy loads efficiently. The current system experiences performance issues during peak times, and the new version should resolve these. Fix Bugs and Security Issues: Identify and fix any existing bugs and security vulnerabilities in the current project. Ensure the new version adheres to the...

2 api only to pass value. Work with ftp

...who can assist me in acquiring high authority backlinks that will help to increase organic traffic and improve my search engine rankings. Key Responsibilities: - The primary task will be to acquire high authority backlinks. These should be from reputable sources and relevant to the content on my blog. - Analysis of my current backlink profile and making necessary adjustments to improve SEO performance. - Consistent monitoring of the backlinks to ensure they are active and continuously contributing to my website's growth. Ideal Freelancer: - Proven experience in building high authority backlinks. - Familiarity with SEO practices and up-to-date knowledge on the latest algorithm changes. - Previous work with blogs is a plus. - Excellent communication and reporting skills to k...

It is necessary solve two bugs to a Laravel application regard the frontend of condition use php 7.4. if it is necessary you must do changes to the database and the backend

It is necessary make some simple changes to a project management application made in Laravel. The change are: Please answer only if have experiences in project management software. And show my the url of similar job made because I don't asign the job without see the real competences

Conduct field visits to smartphone retail stores in various areas of Iraq, including Baghdad, Erbil, and Basra. Evaluate the performance, services, and availability of iPhone products in the stores. Document findings and reports accurately. Communicate with the project team to exchange information and provide necessary analysis. Adhere to scheduled visitations and evaluation reports.

My goal is to isolate individual instruments from WAV format recordings "Bossa Antigua" by Paul Desmond. The tracks contain 4 instruments. Proficiency in audio editing, specifically with separating layers and isolating sounds, is preferred. Here are the specifics: - Deliverable: Isolated instrument soundtracks - Expertise needed: Audio editing, sound isolation - Input format: WAV - Number...instrument sounds is highly desirable This project requires the ability to distinguish between sounds and isolate them individually. It is essential to preserve the sound quality while separating the instruments from the audio layers. A good ear for detail and purity of sound is important. The deliverable MUST PRESENT a clear accompaniment file (without alto saxophone) that can be used on a...

...development process and create user guides. Collaborate with the internal team. Requirements: Proven experience in developing plugins and interfaces for e-commerce platforms. Strong knowledge of programming languages and technologies required for the listed platforms. Experience with API integrations and web services. Familiarity with best practices regarding security and performance optimization in e-commerce. Good communication skills and the ability to clearly document technical matters. Independent and reliable work style with a focus on quality and meeting deadlines. What We Offer: An exciting project with the opportunity to develop innovative solutions for leading e-commerce platforms. Flexible working hours and the possibility t...

Hi Reving B., I hope this message finds you well. We are pleased to offer you a freelance project to conduct field visits to smartphone retail stores in various areas of Erbil, Iraq. The objective of this project is to evaluate the performance, services, and availability of iPhone products in these stores. Best regards, Ahmed Shafea

I need an experienced Linux admin who can help me set up a CentOS server to function as a web, database, and file server. The ideal candidate will be familiar with CentOS and have experience configuring a server with multiple services. Key Requirements: - Install and configure CentOS on a server - Set up Nginx as t...up a CentOS server to function as a web, database, and file server. The ideal candidate will be familiar with CentOS and have experience configuring a server with multiple services. Key Requirements: - Install and configure CentOS on a server - Set up Nginx as the web server - Configure the server to also function as a database and file server - Ensure the server is secure and optimized for performance - Provide documentation of the setup and configuration for future ...

Conduct field visits to smartphone retail stores in various areas of Iraq, including Baghdad, Erbil, and Basra. Evaluate the performance, services, and availability of iPhone products in the stores. Document findings and reports accurately. Communicate with the project team to exchange information and provide necessary analysis. Adhere to scheduled visitations and evaluation reports.

I'm looking for a skilled PPC specialist to help me create and manage a PPC campaign on Google Ads. The primary goal of this campaign is to increase my website traffic. The...identify the best keywords and phrases for the campaign - Crafting compelling ad copies that resonate with my target audience - Setting up and managing the campaign to ensure optimal performance - Regular monitoring and tweaking of the campaign to maximize results Ideal skills and experience for this job include: - Proven track record of successful PPC campaigns, particularly on Google Ads - Strong keyword research capabilities - Proficiency in crafting engaging ad copies - Experience in optimizing campaigns for traffic generation - Excellent analytical skills to monitor and adjust the campaign for optim...

...creating a new web application from scratch, ensuring that it is efficient, user-friendly, and meets our requirements. - Bug Fixing: Should there be any issues with the application, you will be expected to identify and fix them promptly to ensure the smooth running of the app. - Code Optimization: You will also need to continuously monitor and optimize the codebase to guarantee the application's performance and stability. Skill Set: - Proficient in Java. - Solid experience with the Spring Framework, Hibernate, and Apache Maven. - Familiarity with TomEE/Tomcat/Websphere/etc. - Strong problem-solving skills and a keen eye for detail. - Excellent communication and time management abilities. The selected candidate will play a critical role in the success of our project, so I&#...

I'm searching for a freelancer with intermediate Matlab skills to help optimize the energy efficiency of a battery system for renewable energy applications. Key Project Requirements: - Optimize battery system for energy efficiency: The primary focus of this project is to ensure that our battery system operates with maximum energy efficiency. This involves assessing current battery performance and implementing improvements in its energy consumption. Ideal Candidate: - Intermediate Matlab Proficiency: The perfect candidate for this project should be proficient with Matlab, having experience in battery system optimization. Previous work in the field of renewable energy systems would be a bonus. The goal of this project is to enhance the energy efficiency of our battery system. ...

...key metrics I need to see to make sound investment decisions. Ideal Candidate: - Proven Experience: Previous experience in real estate financial modelling and investment analysis is a must. A background in real estate or finance would be highly beneficial. - Analytical Skills: A sharp mind for identifying trends, patterns, and risks in financial data. Ability to forecast future outcomes and performance of investments. - Communication: Ability to present complex financial data in a clear and understandable manner. You should be able to communicate the reasons behind your analysis and decisions effectively. This project could lead to ongoing work as I continue to evaluate investment opportunities. If you're interested, please provide relevant samples of your previous work ...

I'm l...will involve manually uploading the latest version of the theme. - **Core Web Vitals**: I'm also in need of enhancements to improve the loading performance and visual stability of the website. Your expertise in optimizing these aspects will be crucial. - **Blog Page Inspection**: Specifically, I would like you to inspect the navigation menu layout on the blog page. If necessary, you will need to fix any structural issues that may be present. Ideal candidates for this project should have: - Proven experience with WordPress, especially in troubleshooting theme-related issues. - Proficiency in improving Core Web Vitals, specifically in loading performance and visual stability. - A keen eye for design and structure, particularly in inspecting and resolving is...

I'm looking for a professional who can help me design an active FTTH network, and create a GIS-based inventory system. Key aspects of the project include: - **Active FTTH Network Design:** You should be proficient in FTTH design, with a specific focus on the active model. Your role will be to create a comprehensive network design that ensures optimal performance and scalability. - **GIS-Based Inventory System:** You'll need to design an inventory system using GIS-based software. This system should offer real-time tracking, robust asset management, and detailed reporting and analytics capabilities. Ideal Skills & Experience: - Proven experience in Active FTTH network design - Proficiency in using GIS-based software for inventory management - Strong understanding of r...

I'm looking for a skilled React developer to...troubleshooting and resolving any issues that arise within the existing codebase. - Performance optimization: It's essential that you have a strong understanding of React and can help optimize the performance of our application. The scope of this project is the development of a single page application, and a key focus will be on ensuring a responsive design. This is crucial to enhance user experience and make the application accessible across different devices. Ideal Skills and Experience: - Proficient in React and its ecosystem - Prior experience in developing single page applications - Strong understanding of responsive design principles - Ability to debug and fix code efficiently - Experience in performance ...