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senior full stack developer Jobs in Karachi

senior full stack developer

senior developer

MEAN 3 PRIVATE LIMITED

We are looking for a highly skilled and motivated Senior Front-End Developer / Senior Shopify Developer to join our dynamic team. If you&rsquo;re passionate about building high-performance, scalable web applications and delivering seamless user experiences, we&rsquo;d love to hear from you!Key Responsibilities:<ul><li>Develop responsive and interactive front-end solutions using modern frameworks.</li><li>Optimize web applications for performance, security, SEO, and accessibility.</li><li>Collaborate closely with UX/UI designers and back-end engineers for smooth integration.</li><li>Uphold coding standards through regular code reviews and clean architecture.</li><li>Mentor junior developers, providing technical guidance and training.</li><li>Build reusable components and maintain consistent design systems.</li><li>Identify and troubleshoot complex front-end issues efficiently.</li><li>Stay current with the latest technologies and best practices in front-end development.</li><li>Contribute to architectural planning and strategic technical decisions.</li></ul>Tech Stack &amp; Tools:<ul><li>eCommerce: Shopify (Liquid templating), Wordpress</li><li>Styling: Tailwind CSS, HTML5, CSS3, JavaScript (ES6+), Jquery</li><li>Build &amp; DevOps: Webpack, Git, GitHub/GitLab, CI/CD (Jenkins, GitHub Actions)</li><li>Other: Performance Optimization, Web Accessibility, Cross-Browser Compatibility</li><li>Frameworks/Libraries (Plus Points): React.js, Next.js, Redux, TypeScript</li><li>Analytics: GA, Meta pixel, tiktok and other third party integrations</li><li>Task Management tools: Jira , trello</li></ul>What We&rsquo;re Looking For3+ years of front-end development experience.Strong problem-solving skills and attention to detail.Job Type: Full-timeWork Location: In person

Senior Shopify Developer

Systems Limited

<div>Position: Senior Backend Developer (Python/FastAPI + Azure) 
Location: Pakistan

Summary

Python Developer at Systems Limited will be responsible to develop scalable, secure, and well-architected backend systems, and is comfortable working in a fast-paced, cloud-native environment. Strong understanding of architecture, system design and optimizations.
<div>
Responsibilities:</div>
<ul>
<li>Design, build, and maintain RESTful APIs and backend services using Python (FastAPI)</li>
<li>Architect and Implement authentication, session management, and authorization workflows using Azure Entra ID (formerly Azure AD)</li>
<li>Write clean, testable, and well-documented code following best practices</li>
<li>Ensure high availability, security, and performance of backend systems</li>
<li>Collaborate closely with frontend, DevOps, and QA teams</li>
<li>Use Git for source control and follow collaborative branching/review practices</li>
<li>Oversee code review, architecture design and performance tuning.</li>
<li>Derive adoption of best practices in code quality, CI/CD, monitoring and observability</li>
</ul>
<div>Requirements:</div>
<ul>
<li>6+ years of hands-on backend development experience</li>
<li>Proficiency with Python and FastAPI (or similar frameworks like Flask/Django REST)</li>
<li>Strong knowledge of Azure cloud services, especially:</li>
<li><ul><li>Azure Entra ID (OAuth2, SSO, JWT)</li>
<li>Azure SQL, Cosmos DB, Redis</li>
<li>Azure Web PubSub, App Services, and APIM</li>
</ul></li><li>Experience with Git, pull requests, and version control workflows</li>
<li>Strong understanding of secure coding principles and session handling</li>
<li>Experience building scalable and modular backend architectures</li>
<li>Excellent communication, leadership skills.</li></ul></div>

Senior Backend Developer

&quot;Immediate joiners will be preferred.&quot;Job DescriptionWe are seeking an experienced Senior Flutter Developer who has strong expertise in Flutter development using BLoC state management and Clean Architecture principles. The ideal candidate will be responsible for building scalable, high-performance mobile applications and collaborating with cross-functional teams to deliver quality solutions.Key Responsibilities<ul><li>Design, develop, and maintain mobile applications using Flutter</li><li>Implement BLoC (Business Logic Component) for state management</li><li>Follow Clean Architecture principles for scalable and maintainable code</li><li>Translate UI/UX designs into high-quality Flutter code</li><li>Integrate RESTful APIs and third-party libraries</li><li>Ensure application performance, security, and responsiveness</li><li>Debug, troubleshoot, and optimize applications</li><li>Mentor junior developers and conduct code reviews</li><li>Collaborate with backend, QA, and product teams</li></ul>Required Skills &amp; Qualifications<ul><li>4+ years of experience in mobile app development</li><li>Strong hands-on experience with Flutter &amp; Dart</li><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or a related field is required.</li><li>Solid understanding of BLoC pattern</li><li>Proven experience working with Clean Architecture</li><li>Experience with REST APIs and JSON</li><li>Knowledge of Android and iOS build processes</li><li>Familiarity with Git version control</li><li>Strong problem-solving and communication skill</li></ul>Timings: 10 am to 7 pmLocation: Gulshan e Iqbal, karachi.Job Type: Full-timeWork Location: In person

Senior Flutter Developer

Gray Mines

Job Description: We are looking for an experienced Senior App Developer to join our team on an on-site basis. The ideal candidate will be responsible for developing, maintaining, and enhancing high-quality mobile applications while working closely with internal teams.Key Responsibilities:<ul><li>Design, develop, test, and maintain mobile applications</li><li>Write clean, efficient, and well-documented code</li><li>Collaborate with designers, backend developers, and product managers</li><li>Debug and resolve technical issues</li><li>Optimize application performance and security</li><li>Manage app publishing and updates on Google Play Store and Apple App Store</li><li>Provide technical support and guidance to junior developers</li></ul>Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science or a related field</li><li>Minimum 4 years of experience in mobile application development</li><li>Strong experience with Flutter, React Native, Swift, Kotlin, or similar technologies</li><li>Experience working with REST APIs and third-party integrations</li><li>Proficiency in Git or other version control systems</li><li>Strong problem-solving skills</li><li>Good communication and teamwork abilities</li><li>Ability to work full-time from the office</li></ul>Preferred Qualifications:<ul><li>Experience with backend or cloud technologies</li><li>Knowledge of UI/UX best practices</li><li>Experience in Agile or Scrum environments</li></ul>What We Offer:<ul><li>Competitive salary package</li><li>Professional growth opportunities</li><li>Stable and collaborative work environment</li></ul>Salary: PKR 100,000 &ndash; 200,000 per monthJob Type: Full-time Job Location: On-siteJob Type: Full-timePay: Rs100,000.00 - Rs200,000.00 per monthWork Location: In person

Senior App Developer

UEB Ventures Financing Broker L.L.C

Job DescriptionWe are looking for a Senior PHP Developer to take ownership of backend development and support the design, development, and maintenance of scalable web applications. This role is suited for someone with strong PHP experience who can work independently, guide junior developers, and contribute to system architecture, performance, and security.You will work closely with frontend developers, product stakeholders, and infrastructure teams to deliver reliable and maintainable solutions.Responsibilities<ul><li>Design, develop, and maintain PHP-based backend systems and APIs</li><li>Build and optimize REST APIs and integrate third-party services</li><li>Work with MySQL and PostgreSQL, including query optimization and schema design</li><li>Ensure application security, performance, and scalability</li><li>Review code, enforce best practices, and mentor junior developers</li><li>Collaborate with frontend teams on API contracts and integrations</li><li>Manage deployments and support applications on Linux/Ubuntu servers</li><li>Handle basic server tasks including Nginx, SSL, cron jobs, permissions, and logs</li><li>Participate in system design, debugging, and production issue resolution</li><li>Maintain proper documentation and version control using Git</li></ul>Requirements<ul><li>3&ndash;6+ years of professional PHP development experience</li><li>Strong command of core PHP and at least one PHP framework (Laravel preferred)</li><li>Solid understanding of HTTP, authentication, sessions, and security best practices</li><li>Hands-on experience with MySQL and PostgreSQL</li><li>Experience building and maintaining production-grade APIs</li><li>Comfortable working in Linux/Ubuntu environments</li><li>Good understanding of Git workflows, debugging, and testing</li><li>Ability to work independently and take technical ownership</li><li>Strong problem-solving skills and attention to detail</li></ul>Job Types: Full-time, ContractContract length: 24 monthsWork Location: In personJob Type: Full-timePay: Rs100,000.00 - Rs150,000.00 per monthWork Location: In person

Senior PHP Developer

Xynotech

We are seeking an experienced Senior PHP Developer to join our team. The ideal candidate will have strong expertise in PHP development and the ability to work with legacy or modern PHP frameworks (e.g., Laravel, Symfony, CodeIgniter, or custom solutions). You will be responsible for maintaining, optimizing, and extending our existing PHP-based systems while collaborating with the team to drive best practices.Key Responsibilities:<ul><li>Develop, maintain, and optimize PHP-based applications (framework or legacy code).</li><li>Analyze and improve existing codebase for performance, security, and scalability.</li><li>Collaborate with frontend developers, DevOps, and product teams to deliver robust solutions.</li><li>Troubleshoot and debug complex issues across the application stack.</li><li>Integrate third-party APIs and services as needed.</li><li>Ensure adherence to PHP best practices (PSR standards, OOP, MVC, etc.).</li><li>Write clean, reusable, and well-documented code.</li><li>Mentor junior developers and participate in code reviews.</li><li>Assist in migrating legacy systems to modern frameworks (if applicable).</li></ul>Requirements:<ul><li>5 years of PHP development experience (with or without a framework).</li><li>Strong understanding of OOP, MVC architecture, and PHP design patterns.</li><li>Experience working with at least one PHP framework (Laravel, Symfony, CodeIgniter, etc.) or custom frameworks.</li><li>Proficiency in MySQL/PostgreSQL and database optimization.</li><li>Familiarity with RESTful APIs, Composer, Git, and Linux environments.</li><li>Knowledge of frontend technologies (JavaScript, HTML5, CSS) is a plus.</li><li>Experience with legacy PHP systems (if applicable) and willingness to modernize them.</li><li>Strong problem-solving skills and attention to detail.</li></ul>Nice to Have:<ul><li>Experience with Docker, CI/CD pipelines, or cloud platforms (AWS/Azure).</li><li>Knowledge of testing frameworks (PHPUnit, Pest).</li><li>Exposure to microservices or serverless architectures.</li></ul>Job Type: Full-timeExperience:<ul><li>PHP: 5 years (Required)</li></ul>Location:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Conceptrecall

Job Summary We are looking for an experienced Senior Shopify Developer who can design, develop, and optimize Shopify stores. The ideal candidate should be strong in Shopify theme development, custom coding (Liquid), app integrations, performance optimization, and troubleshooting. This role also involves collaborating with designers and marketing teams to deliver high-quality e-commerce experiences.Key Responsibilities<ul><li>Develop, customize, and maintain Shopify themes using Liquid, HTML, CSS, JavaScript.</li><li>Build custom features and functionalities tailored to store requirements.</li><li>Integrate and configure Shopify apps and third-party APIs.</li><li>Optimize site performance (speed, UX, mobile responsiveness).</li><li>Troubleshoot issues related to themes, apps, and store functionality.</li><li>Collaborate with UI/UX designers to convert designs into functional Shopify pages.</li><li>Maintain code quality, follow best practices, and ensure SEO-friendly development.</li><li>Manage store settings, product setup, payment gateways, and checkout customizations.</li><li>Stay updated with Shopify&rsquo;s latest features, updates, and industry trends.</li><li>Provide guidance and mentorship to junior developers if required.</li></ul>Requirements<ul><li>4&ndash;5 years of hands-on experience in Shopify development.</li><li>Strong command of Shopify Liquid, HTML5, CSS3, JavaScript, JSON, jQuery.</li><li>Experience with Shopify Plus (a strong advantage).</li><li>Ability to build pixel-perfect Shopify themes from Figma/PSD designs.</li><li>Experience with API integrations and custom app development (optional but preferred).</li><li>Understanding of SEO, performance optimization, and e-commerce best practices.</li><li>Strong troubleshooting and debugging skills.</li><li>Good communication, problem-solving, and teamwork abilities.</li></ul>Preferred Skills<ul><li>Knowledge of React or Vue (bonus).</li><li>Experience with Git version control.</li><li>Familiarity with headless Shopify setups is a plus.</li></ul>Job Type: Full-timeWork Location: In person

Explore 690+ Senior developer in Karachi this January. Find roles across top companies and apply now to boost your career.

690 senior developer jobs IN Karachi

Senior Shopify Developer

Senior Backend Developer

Senior Flutter Developer

Senior App Developer

Senior PHP Developer

Senior PHP Developer

Senior Shopify Developer