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senior software engineer i - fullstack Jobs in Karachi

senior software engineer i - fullstack

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senior web engineer

Human Capital HR Solutions

Role Overview As a Senior Frontend Engineer, you will design, develop, and maintain scalable frontend applications across web and mobile platforms. You&rsquo;ll work closely with product managers, designers, and backend engineers to deliver seamless user experiences.Key Responsibilities Develop and maintain frontend applications for web and mobile platforms Translate product requirements and UI/UX designs into functional components Ensure performance, responsiveness, and cross-platform compatibility Integrate frontend applications with backend APIs Write clean, reusable, and well-documented code Review code and mentor junior frontend engineers Collaborate closely with product managers and backend teamsRequirements 3&ndash;4 years of professional frontend development experience Strong experience with React, React Native, and Next.js Hands-on experience in both web and mobile application development Solid understanding of state management (Redux, Context API) Knowledge of responsive design and cross-browser compatibility Experience using Git in team-based environmentsNice to Have Experience with design systems or UI libraries Knowledge of frontend performance optimization Exposure to startup or product-driven environmentsSalary &amp; Benefits Market-competitive salary Growth and learning opportunities Benefits as per company policyHow to Apply Send your resume to careers1.hc@gmail.com CC: careers@humancapitalintl.comPlease mention &ldquo;Senior Frontend Engineer&rdquo; in the subject lineFollow our social accounts for the latest job opportunities:Instagram: https://www.instagram.com/humancapitalhrsolutions/ LinkedIn: https://www.linkedin.com/company/human-capital-hr-solution/ Facebook: https://www.facebook.com/humancapitalhrsolution/Job Type: Full-timeWork Location: In person

Senior Frontend Engineer

Truck it in

<div><div><div>About the Role:</div><div> 
We are looking for a skilled Full Stack Engineer with strong expertise in Angular, Node.js, and NestJS to design, develop, and maintain high-performance applications. This role involves working closely with cross-functional teams, handling deployments, optimizing performance, and contributing to architectural and technical decision-making.</div> 
<div></div> 
<div>What You Will Do:</div> 
<ul><li><div>Develop, maintain, and enhance web applications using Angular, Node.js, and NestJS.</div></li> 
<li><div>Collaborate with product, design, and backend teams to deliver new features and improvements.</div></li> 
<li><div>Manage deployment activities, monitor application performance, and ensure system reliability.</div></li> 
<li><div>Troubleshoot issues, optimize code, and streamline development and deployment workflows.</div></li> 
<li><div>Mentor junior engineers and actively participate in technical discussions and decision-making.</div></li> 
<li><div>Write clean, well-structured, and maintainable code with proper documentation.</div></li> 
<li>Support integration efforts across services, APIs, and microservices components.</li> 
</ul><div>What We Are Looking For:</div> 
<ul><li><div>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</div></li> 
<li><div>3-4 years of experience with Angular, Node.js, NestJS, TypeScript, JavaScript, and related frameworks.</div></li> 
<li><div>Solid understanding of databases, APIs, microservices, and cloud environments.</div></li> 
<li><div>Experience handling Git repositories and basic DevOps tasks.</div></li> 
<li><div>Ability to monitor and manage production systems effectively.</div></li> 
<li><div>Strong problem-solving abilities, attention to detail, and an ownership-driven mindset.</div></li> 
<li>Experience with performance optimization and scalable application architectures is a plus.</li> 
</ul><div>How We&rsquo;ll Support You:</div> 
<div>We are committed to creating a vibrant, growth-oriented environment where your passion and commitment to excellence are recognized and nurtured. Here, you&rsquo;ll have opportunities to shape our products and processes, supported by a team of dedicated professionals. We offer a competitive compensation package, equal employment opportunities, and a culture that embraces innovation and continuous improvement. Join us in making an impact. We can&rsquo;t wait to see what we&rsquo;ll accomplish together!</div></div></div><div></div>

Senior Software Engineer (MEAN)

Pivotize Consulting

Technology Stack:Angular 12+, .NET Core 8, SQL Server 2019 Enterprise Edition, Redis, SQL Lite, ODataRole Summary:We are seeking a highly experienced Full-Stack Engineer responsible for end-to-end performance, security, and release optimization across frontend, backend, and infrastructure layers. This role will focus on improving system speed, scalability, and resilience while ensuring compliance with modern white-box, grey-box, and black-box testing standards.Key Responsibilities:&middot; Profile and optimize Angular 12+ components, applying lazy loading, OnPush strategy, and efficient data handling.&middot; Analyze and refactor .NET Core 8 APIs for performance, scalability, and security.&middot; Optimize SQL Server queries, stored procedures, indexes, and implement advanced features like partitioning, materialized views, columnstore Indexes, In-Memory OLTP, Query Store, controls (CPU, memory, and I/O resource allocation), Scale-Out with Sharding.&middot; Conduct release management optimization: IIS tuning, caching strategies, connection pooling, and CI/CD performance improvements.&middot; Collaborate with product leadership to define and achieve measurable performance goals.&middot; Conduct and close pen testing issues ensuring adherence to OWASP standards.&middot; Design scalable microservices-ready architecture for long-term growth.Required Skills&middot; 8+ years of full-stack development experience in Angular, .NET Core, and SQL Server.&middot; Expert in SQL Server performance tuning, query optimization, indexing, and partitioning.&middot; Strong understanding of IIS performance configuration and Redis caching.&middot; Hands-on with performance profiling tools (.NET Profiler, SQL Profiler, Chrome DevTools, Lighthouse).&middot; Experience in microservices design, Docker, Kubernetes, and cloud deployment pipelines.&middot; Knowledge of OWASP and security testing tools (Burp Suite, OWASP ZAP).Preferred Skills / Experience&middot; Experience optimizing enterprise-grade web platforms handling large data sets.&middot; Background in DevOps and CI/CD pipeline performance tuning.Key Performance Indicators (KPIs)&middot; Reduce page load time to under 2 seconds for major modules.&middot; Achieve 60% reduction in average API response time.&middot; Resolve 100% of identified pen testing issues within SLA.&middot; Implement database improvements reducing query execution time below 2 secondJob Type: Full-timePay: From Rs250,000.00 per monthApplication Question(s):<ul><li>What is your current salary?</li><li>What is your expected salary?</li><li>What is your notice period?</li><li>Since it's an on-site role, would you be able to commute to Bahria Complex 1, Lalazar, M.T.Khan Road for interview &amp; job?</li></ul>Work Location: In person

Senior Full-Stack Engineer (Angular & .Net Only)

Utopia Fulfillment

Programming Engineer &ndash; Senior ExecutiveLocation: Utopia Deals Department: Software Development / Automation Position Type: Full-Time &ndash; Senior ExecutiveRole OverviewThe Programming Engineer (Sr. Executive) will design, develop, and maintain software applications, automation scripts, and internal tools using Python, Java, and HTML. The role will support digital transformation, internal system development, and integration of software with production/engineering workflows.Key Responsibilities<ul><li>Develop clean, efficient, and scalable code in Python, Java, and HTML/CSS/JavaScript.</li><li>Design and implement backend scripts, internal utilities, dashboards, and automation modules.</li><li>Work closely with engineering and operations teams to build software solutions that support manufacturing and process automation.</li><li>Debug, test, and maintain existing applications to ensure high performance and reliability.</li><li>Collaborate on system architecture design and database integrations.</li><li>Support development of APIs, web tools, and data visualization modules.</li><li>Document system architecture, code logic, and standard processes.</li></ul>Required Qualifications &amp; Skills<ul><li>Bachelor&rsquo;s degree in Computer Engineering, Software Engineering, IT, or related field.</li><li>Strong programming experience in Python, Java, and HTML/CSS/JavaScript.</li><li>Knowledge of data structures, OOP, and software development best practices.</li><li>Experience with SQL/NoSQL databases and version control (Git).</li><li>Ability to work in a fast-paced engineering-driven environment.</li></ul>Preferred Qualifications<ul><li>Experience in integrating software with hardware or automation systems.</li><li>Understanding of APIs, RESTful services, and web frameworks (Flask, Django, Spring Boot).</li><li>Exposure to data analytics, machine learning basics, or scripting for process automation.</li></ul>Send your resumes at ahmed.mazhar@utopiadeals.com CC: hafeez.ullah@utopiadeals.com Job Type: Full-timeWork Location: In person

Programming Engineer – Senior Executive

MeezoTech

Job Description: Senior QA EngineerAbout the RoleWe are seeking a Senior QA Engineer to take full ownership of product quality across our SaaS platform. You will be responsible for ensuring the reliability, performance, and user experience of our mobile and web applications, while driving best practices in testing and quality assurance.ResponsibilitiesQuality Ownership<ul><li>Lead the QA process and ensure features meet business and technical requirements.</li><li>Safeguard backward compatibility and ensure existing functionality remains stable after updates.</li></ul>Test Planning &amp; Execution<ul><li>Design and execute comprehensive test cases across functional, regression, end-to-end (E2E), exploratory, and load testing scenarios.</li><li>Validate mission-critical flows across mobile and web platforms to ensure uninterrupted operations.</li></ul>Performance &amp; Load Testing<ul><li>Conduct load, stress, and scalability testing of APIs and system components.</li><li>Identify and report performance bottlenecks, working closely with engineers to resolve them.</li></ul>Automation &amp; Unit Testing<ul><li>Collaborate with developers to implement unit tests and automated regression suites.</li><li>Build and maintain automation scripts for repetitive and high-value test cases.</li></ul>Cross-Team Collaboration<ul><li>Partner with product managers, engineers, and tech leads to define QA strategies.</li><li>Provide clear reporting on bugs, risks, and release readiness.</li><li>Champion QA best practices and improve quality processes across the team.</li></ul>RequirementsMust-Have<ul><li>5+ years of QA experience in SaaS or consumer-facing mobile/web applications.</li><li>Strong background in manual testing methodologies (functional, regression, exploratory, UAT).</li><li>Proven expertise with load testing and performance testing tools (e.g., JMeter, Locust, k6, Gatling).</li><li>Solid experience with API testing tools (Postman, Swagger, or similar).</li><li>Familiarity with mobile app and web testing.</li><li>Strong understanding of backward compatibility and regression stability.</li><li>Experience working with CI/CD pipelines.</li><li>Knowledge of QA automation frameworks (e.g., Cypress, Playwright, Selenium, Appium).</li></ul>Nice-to-Have<ul><li>Exposure to large-scale, distributed systems.</li><li>SaaS background with an emphasis on uptime and reliability.</li></ul>Success Criteria (First 6 Months)<ul><li>Establish comprehensive regression and E2E test cases for critical system flows.</li><li>Build a release QA checklist to ensure reliability and stability.</li><li>Deliver load testing reports highlighting system bottlenecks and validating stability under stress.</li><li>Improve automation and unit testing coverage in collaboration with the dev team.</li></ul>Consistently identify and address major issues before production release.Working Hours &amp; Schedule:<ul><li>Monday to Thursday: 11:00 AM &ndash; 8:00 PM (On-site)</li><li>Friday &amp; Saturday: Off</li><li>Sunday: Work from Home</li></ul>Job Type: Full-timePay: Rs100,000.00 - Rs200,000.00 per monthWork Location: In person

Senior SQA Engineer-

MarketCube.io

Job SummaryThis is a full-time, on-site role focused on backend-heavy development with the flexibility to contribute to frontend features when required. You will build scalable APIs, work on marketplace workflows, and develop dashboards used by sellers, admins, and enterprise clients.Key Responsibilities<ul><li>Develop and maintain backend services using Node.js and MongoDB</li><li>Build and optimize REST APIs and marketplace logic</li><li>Design and manage MongoDB data models, queries, and indexes</li><li>Develop UI components and dashboards in React.js</li><li>Integrate third-party APIs (payments, logistics, identity, messaging)</li><li>Debug and resolve full-stack issues</li><li>Work closely with Product, QA, UI/UX, and Support teams</li><li>Participate in architecture, sprint planning, and code reviews</li><li>Follow Git/GitHub workflows and engineering best practices</li></ul>Required Qualifications<ul><li>Minimum 4 years of full-stack development experience</li><li>Strong hands-on skills in Node.js, MongoDB, and React.js</li><li>Proficiency in JavaScript (ES6+)</li><li>Experience building and consuming RESTful APIs</li><li>Strong debugging and problem-solving skills</li><li>Experience using Git/GitHub</li><li>Ability to work on-site in Karachi</li></ul>Preferred Skills<ul><li>Experience with SaaS, marketplaces, or e-commerce systems</li><li>Experience with Typescript</li><li>Understanding of queues, microservices, or asynchronous patterns</li><li>Exposure to GCP, Docker, or CI/CD</li><li>Experience with Stripe, logistics, or workflow integrations</li></ul>What We Offer<ul><li>Flexible working hours</li><li>Work on a global SaaS platform used across multiple countries</li><li>Career growth opportunities (Full Stack Lead / Engineering Manager)</li><li>A collaborative and modern engineering environment</li><li>High ownership and autonomy</li></ul>How to ApplySend your CV to: Ali.haider@marketcube.io Subject: Senior Full Stack Engineer &ndash; KarachiJob Type: Full-timeExperience:<ul><li>React, Node Js, Full Stack Development: 4 years (Required)</li></ul>Work Location: In person

Senior Full Stack Engineer (React.js / Node.js / MongoDB)

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

Explore 737+ Senior web engineer in Karachi this December. Find roles across top companies and apply now to boost your career.