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senior full stack developer Jobs in Karachi

senior full stack developer

senior software developer Jobs in Karachi

senior software developer

senior ui/ux designer

senior front end engineer

Xynotech

About the RoleAs a Senior Front-End Developer, you will lead the development of scalable, high-performance user interfaces while mentoring engineers and shaping frontend architecture. This role blends technical leadership with hands-on development and strategic decision-making.Key Responsibilities<ul><li>Own end-to-end delivery of complex UI features and large-scale refactors</li><li>Architect maintainable front-end systems using clean code principles and design patterns</li><li>Debug, profile, and optimize rendering pipelines and UI performance</li><li>Lead frontend architecture decisions, tooling, and testing strategies</li><li>Mentor junior and mid-level developers through code reviews and pair programming</li><li>Design and maintain E2E testing pipelines</li><li>Establish best practices for state management, performance, and security</li><li>Ensure accessibility (WCAG) and internationalization (i18n) standards are met</li></ul>Required Skills &amp; Qualifications<ul><li>4&ndash;6 years of strong front-end development experience</li><li>Deep expertise in React (hooks, performance optimization, Suspense, error boundaries)</li><li>Strong understanding of component lifecycles, rendering performance, and state management</li><li>Experience with SSR/CSR strategies, hydration, and cross-platform rendering</li><li>Solid knowledge of frontend security and web standards</li><li>Strong communication skills and ability to lead technical discussions</li></ul>Tech Stack<ul><li>React (primary)</li><li>Optional exposure to Vue or Angular</li><li>Modern JavaScript / TypeScript</li><li>Testing frameworks for unit and E2E testing</li><li>CI/CD pipelines and frontend tooling</li></ul>Job Type: Full-timeLocation:<ul><li>Karachi (Required)</li></ul>Work Location: In person

Senior Front End Developer

eSpark Talent

Job Description &ndash; Senior Front-end DeveloperWe are seeking a dynamic and talented Senior Front-end Developer (React). Your mission will be to develop interactive, visually stunning user interfaces that not only catch the eye but also provide a seamless user experience. The ideal candidate should have a strong understanding of React.js and its core principles, along with a passion for creating seamless user experiences.Responsibilities:<ul><li>Design and implement user interfaces using HTML5. CSS3 and JavaScript (ES6/7).</li><li>Advanced skills in state management using Redux, Context API, or similar techniques.</li><li>Utilize UI libraries such as Bootstrap, Ant Design, and Material UI with proficiency.</li><li>Implement and manage different React libraries and RESTful APIs.</li><li>Ensure cross-browser compatibility and optimize for various devices.</li><li>Conduct thorough testing and debugging, employing unit tests and debugging tools.</li><li>Efficiently use build tools and task runners</li><li>Develop user interfaces for web applications using React.js and TypeScript.</li><li>Optimize web performance through lazy loading, code splitting, caching, etc.</li><li>Demonstrate in-depth knowledge of advanced JavaScript concepts such as ES6+ features, async/await, promises, and functional programming.</li><li>Expertise in React hooks and custom hooks.</li><li>Proficiency in Server-Side Rendering (SSR) and Client-Side Rendering (CSR) for React applications.</li></ul>Requirement:<ul><li>A proven track record of developing high-quality, responsive, and scalable user interfaces.</li><li>Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.</li><li>Familiarity with popular React.js workflows (such as Redux or Flux).</li><li>Experience with HTML5 and CSS3.</li><li>Knowledge of modern authorization mechanisms, such as JSON Web Token.</li><li>Experience with version control systems such as Git.</li><li>Familiarity with RESTful APIs.</li><li>Strong problem-solving skills and commitment to excellence.</li><li>Ability to work in a fast-paced environment and meet tight deadlines.</li></ul>Experience: Over 4 to 5 years of professional experience is required in Front-end Development.Qualification: Bachelor's degree in computer science, Software Engineering, or a related field.Job Type: Full-Time / Remote, Karachi.Benefit:<ul><li>Remote Opportunity</li></ul>Job Type: Full-timeWork Location: Remote

Senior Front-end Developer

Utopia Fulfillment

Senior AI Engineer &ndash; E-commerce DivisionLocation: On-site Company: Utopia Deals Experience: 3&ndash;5 Years Job Type: Full-timeAbout Utopia DealsUtopia Deals is a fast-growing e-commerce company focused on delivering exceptional value and customer experiences through data-driven innovation. We leverage advanced technology and AI to optimize pricing, personalization, supply chain efficiency, and customer engagement across our platforms.Role OverviewWe are seeking a Senior AI Engineer with 3&ndash;5 years of hands-on experience to join our E-commerce Division. In this role, you will design, build, and deploy AI/ML solutions that directly impact business performance, customer experience, and operational efficiency.Key Responsibilities<ul><li>Design, develop, and deploy machine learning and AI models for e-commerce use cases such as recommendations, demand forecasting, pricing optimization, fraud detection, and customer segmentation</li><li>Work closely with product managers, data engineers, and business stakeholders to translate business needs into scalable AI solutions</li><li>Build and maintain end-to-end ML pipelines, including data preprocessing, model training, evaluation, and deployment</li><li>Optimize model performance, scalability, and reliability in production environments</li><li>Analyze large datasets to extract insights and drive data-informed decisions</li><li>Stay updated with the latest AI/ML trends and recommend innovative solutions for business growth</li></ul>Required Qualifications<ul><li>3&ndash;5 years of professional experience as an AI Engineer, Machine Learning Engineer, or similar role</li><li>Strong proficiency in Python and ML frameworks such as TensorFlow, PyTorch, or Scikit-learn</li><li>Solid understanding of machine learning algorithms, deep learning, and statistical modeling</li><li>Experience working with large datasets, SQL/NoSQL databases, and data pipelines</li><li>Hands-on experience deploying ML models in production environments (cloud or on-premise)</li><li>Strong problem-solving skills and ability to work in a fast-paced environment</li></ul>Preferred Qualifications<ul><li>Experience in e-commerce, retail, or marketplace platforms</li><li>Knowledge of recommendation systems, NLP, or time-series forecasting</li><li>Experience with cloud platforms such as AWS, GCP, or Azure</li><li>Familiarity with MLOps tools and practices (CI/CD, model monitoring, versioning)</li></ul>What We Offer<ul><li>Competitive salary and performance-based incentives</li><li>Opportunity to work on real-world, high-impact AI problems</li><li>Collaborative and innovative work culture</li><li>Career growth and learning opportunities</li></ul>Share your resumes at ahmed.mazhar@utopiadeals.com with position title in Subjectline.Job Type: Full-timeWork Location: In person

Senior AI Engineer

Avanza Solutions

Senior Backend Engineer (Node.js / Next.js)Lendverse &ndash; AI-Embedded Credit Decisioning PlatformLendverse is building an AI-driven credit decisioning and lending infrastructure for banks and fintechs. We&rsquo;re looking for a Senior Backend Engineer to help scale our core backend systems and financial data pipelines.Responsibilities<ul><li>Build and scale backend microservices using Node.js &amp; Next.js</li><li>Design secure, high-performance REST/GraphQL APIs</li><li>Work on credit scoring, lending, and financial data pipelines</li><li>Integrate with banks, credit bureaus, KYC/AML providers, and payment gateways</li><li>Ensure system reliability, security, and compliance</li><li>Collaborate with product, data, and engineering teams</li></ul>Requirements<ul><li>5+ years backend engineering experience</li><li>Strong hands-on experience with Node.js (NestJS/Express) and Python (FastAPI/Flask/Django)</li><li>Fintech domain experience (lending, payments, banking, credit systems)</li><li>Experience with microservices, PostgreSQL, and cloud platforms</li><li>Familiarity with Docker, CI/CD, and scalable architectures</li></ul>Nice to Have<ul><li>Event-driven systems (Kafka, RabbitMQ)</li><li>AI/ML model integration</li><li>Security, compliance, or regulatory exposure</li></ul>Job Type: Full-timePay: Rs250,000.00 - Rs350,000.00 per monthWork Location: In person

Senior Backend Engineer

ALBI

<div>We are a fast-growing SaaS company on a mission to propel the restoration industry forward by empowering restoration companies with the technology they need to scale and grow their businesses.
Recently voted a Top 10 Start-up in Chicago by LinkedIn and a Top Start-up by BuiltIn, and backed by Y Combinator, this is an exciting time to join our team as we enter a stage of rapid growth and product expansion.
We&rsquo;re looking for a Senior Full Stack Engineer with deep experience in Flutter and mobile app development, combined with solid backend skills to help us build reliable, scalable, and delightful user experiences across platforms. You&rsquo;ll play a key role in shaping our mobile strategy, owning features end-to-end - from UI to backend services - and mentoring others along the way.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul>
<li>Lead the development and architecture of Flutter applications for iOS and Android.
</li><li>Work with backend frameworks such as .NET, or similar to build reliable and scalable APIs.
</li><li>Design, implement, and maintain backend services (e.g., RESTful APIs, GraphQL endpoints, database models) that support mobile and web clients.
</li><li>Collaborate closely with product managers and designers to deliver seamless application experiences.
</li><li>Drive performance optimization, responsive UI/UX, and smooth animations.
</li><li>Integrate third-party APIs, cloud services, and native platform features as needed.
</li><li>Establish and maintain CI/CD pipelines for both mobile and backend systems.
</li><li>Mentor junior developers and help define best practices for Flutter, mobile engineering, and API development.
</li><li>Participate in architectural decisions, code reviews, and technical strategy discussions.
</li><li>Contribute to improving app stability, performance, and code quality through automated testing and monitoring.</li>
</ul>
Requirements<ul>
<li>
5+ years of professional mobile development experience, including 3+ years building apps with Flutter/Dart.
</li><li>3+ years of experience in backend development using at least one of following: Java, .NET, Python, Ruby on Rails, including API design and database interaction.
</li><li>Strong understanding of mobile design principles, patterns, and best practices.
</li><li>Experience creating and integrating RESTful APIs, Firebase, GraphQL, or other backend services.
</li><li>Solid understanding of mobile app lifecycle, state management (e.g., Provider, Riverpod, Bloc), and platform-specific challenges.
</li><li>Familiarity with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB, Firestore).
</li><li>Exposure to CI/CD pipelines for mobile and backend (e.g., GitHub Actions, Bitrise, Codemagic).
</li><li>Comfortable working in a cloud environment (Azure, AWS, or GCP).
</li><li>Excellent collaboration skills and a passion for building great end-to-end user experiences.</li>
</ul><ul><li>Bonus: experience with native iOS/Android development, App Store/Play Store deployment, or Flutter web.
</li><li>Preferred: .NET/C# experience</li>
</ul>
Note: The position requires working on-site four days per week. Remote arrangements are not available. This is a direct-hire position (no agencies or contractors). Candidates must be willing to work U.S. business hours.
Benefits
We&rsquo;re driven by purpose, fueled by high energy, and backed by venture funding. We&rsquo;re unapologetically ambitious and make sure that everyone has the support they need to succeed. We value building a strong company culture, being together and collaborating which is why we are an In-Office first organization.
We offer a generous compensation package which includes:<ul>
<li>
Competitive Salary</li>
<li>Generous PTO.</li>
<li>Medical, dental, and vision insurance coverage.</li>
<li>401K Plan + Matching.</li>
</ul><ul><li>Good balance of personal autonomy and team collaboration on projects</li>
<li>Working on a team of smart, kind humans passionate about leveraging technology to solve real-world problems</li>
<li>Environment where your input is highly valued and personal growth is prioritized.</li>
<li>Regular team events and off-sites.</li>
<li>Equipment budget - everything you need to do your best work</li>
<li>Continuing education, mentoring, and career development opportunities</li>
</ul>
Your journey is your own, and we&rsquo;re here to help you thrive, no matter your starting point.</div>

Senior Full Stack Engineer (Flutter & Backend)

Careem

<div>
 
 About the Company
 
 
 
 Careem is building the Everything App for the greater Middle East &mdash; making it easy to move around, order food and groceries, manage payments, and more. Our purpose is simple: to simplify and improve people&rsquo;s lives and build an awesome organisation that inspires.
 
 
 Since 2012, Careem has enabled earnings for over 2.5 million Captains, simplified the lives of more than 70 million customers, and built a platform where the region&rsquo;s best talent and entrepreneurs thrive. We operate in 70+ cities across 10 countries, from Morocco to Pakistan.
 
 
 
 
 We&rsquo;re now entering our next chapter &mdash; one powered by AI. We&rsquo;re looking for AI talent: curious problem-solvers who know how to apply AI to build tools, automate workflows, and create real impact. Whether it&rsquo;s streamlining operations, enhancing customer experience, or reimagining internal systems &mdash; we want people who can make Careem work smarter and move faster.
 
 
 
 
 
 What You&rsquo;ll Do
 
 
 
 <ul>
 <li>
 Write high quality, performant and reliable code while working on defined tasks/bugs independently.
 </li>
 <li>
 Work independently to understand functional specifications and deliver complete features.
 </li>
 <li>
 Contribute to both frontend and backend codebases, collaborating across layers to design and implement end-to-end features.
 </li>
 </ul>
 <ul>
 <li>
 Participate in the on-call rotation and be willing to jump in and help resolve any incidents within the defined SLA.
 </li>
 <li>
 Participate in team agile processes and practices, contributing to their continuous evolution.
 </li>
 <li>
 Work closely with other engineers on the team to build highly scalable and robust progressive web applications.
 </li>
 <li>
 Collaborate on system design discussions, API design, and data modeling to ensure smooth integration between frontend and backend components.
 </li>
 <li>
 Develop and maintain backend services as needed, with a focus on microservice-based architecture, performance, and reliability.
 
 
 </li>
 </ul>
 
 What You&rsquo;ll Need
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s Degree in Computer Science or other related technical field.
 </li>
 <li>
 4+ years of experience with one or more of modern JS frameworks: React (preferable), Angular or Vue.
 </li>
 <li>
 Solid HTML, CSS and JS experience and understanding.
 </li>
 <li>
 Proficiency in TypeScript and modern JS (ES6+).
 </li>
 <li>
 (S)CSS Modules, responsive design and solid UI/UX understanding and best practices.
 </li>
 <li>
 Experience with one or more of the UI frameworks like Ant Design, Bootstrap, Material Design.
 </li>
 <li>
 Client side state management: Redux, React Context.
 </li>
 <li>
 Real-time technologies experience: Web Sockets, Socket.IO.
 </li>
 <li>
 Testing frameworks: Jest, Enzyme, React Testing Lib.
 </li>
 <li>
 JS ecosystem tooling: webpack, ESLint.
 </li>
 <li>
 Understanding of how modern browsers work and their limitations.
 </li>
 <li>
 Client side performance optimizations and best practices.
 </li>
 <li>
 Working knowledge of backend development and RESTful API design.
 </li>
 <li>
 Familiarity with at least one backend language or framework such as Go or Java.
 </li>
 <li>
 Understanding of microservice-based architecture and distributed systems.
 
 
 </li>
 </ul>
 
 Preferred Skills &amp; Qualifications
 
 
 
 <ul>
 <li>
 GraphQL or React Query experience.
 </li>
 <li>
 Developing components in isolation using Storybook.
 </li>
 <li>
 Experience with PWA and service worker.
 </li>
 <li>
 AWS and front end infrastructure knowledge (S3, CDN, CloudFront).
 </li>
 <li>
 Familiarity with CI/CD (we use Jenkins).
 </li>
 <li>
 Experience with Node.js and its frameworks (Nest, Express) is a plus.
 </li>
 <li>
 Docker experience.
 </li>
 <li>
 Experience integrating backend services into web applications.
 </li>
 <li>
 Understanding of system design, scalability and operational best practices in distributed environments.
 </li>
 </ul>
</div>

Senior Software Engineer I - Fullstack

Progatix

Progatix looking for a skilled Full Stack Developer to design, develop, and maintain robust and scalable web applications. The ideal candidate will work closely with cross-functional teams to deliver seamless and high-quality user experiences.Key Responsibilities<ul><li>Design and implement scalable, high-performance web applications.</li><li>Collaborate with designers, product managers, and other developers to build seamless user experiences.</li><li>Develop front-end solutions using modern frameworks such as Angular.</li><li>Build and maintain server-side applications and RESTful APIs using Node.js / Express / NestJS.</li><li>Design, optimize, and maintain databases for performance, reliability, and scalability.</li><li>Ensure high code quality through testing, code reviews, and continuous integration.</li><li>Troubleshoot, debug, and resolve application issues to maintain optimal performance.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).</li><li>Strong understanding of database design and management (MySQL and/or NoSQL).</li><li>Hands-on experience with Node.js, Angular, and backend API development.</li><li>Familiarity with version control systems such as Git.</li><li>Excellent problem-solving skills and strong attention to detail.</li><li>Ability to work effectively in a team-oriented, on-site environment.</li></ul>Job Type: Full-timeWork Location: In person

Senior Full Stack Developer (Angular & Node Js )

Explore 859+ Senior front end engineer in Karachi this January. Find roles across top companies and apply now to boost your career.