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(remote) senior full-stack web developer Jobs in Karachi

(remote) senior full-stack web developer

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

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)

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

Bit Development Pvt Ltd

Company: e-Tools Software Pty LtdPosition Title: Senior SQA EngineerFulltime OnsiteThe Senior SQA Engineer/Senior Test Analyst is responsible for planning, executing, and certifying all testing activities for e-Tools software applications, including new developments and enhancements to existing systems. The role ensures that applications are fit for purpose, meet functional and technical specifications, comply with regulatory requirements, and deliver a high-quality user experience prior to commercial release.Qualifications &amp; Essential Characteristics<ul><li>Tertiary qualification in IT, Software Development, or a related discipline</li><li>Strong analytical and lateral thinking skills</li><li>Ability to work to deadlines in a fast-paced environment</li><li>Inclusive, collaborative, and team-oriented approach</li><li>High attention to detail and commitment to quality</li></ul>Key Functional Responsibilities<ul><li>Work closely with the Software Development team to deliver high-quality software outcomes</li><li>Participate in requirements gathering, specification reviews, and development discussions</li><li>Design, execute, and manage comprehensive test plans for web and mobile applications</li><li>Ensure all applications are thoroughly tested prior to release</li><li>Document all test cases, testing procedures, results, and defect reports</li><li>Maintain test case suites covering functional, integration, and regression testing</li><li>Provide constructive feedback and recommendations for product and process improvements</li><li>Support usability, performance, and market readiness of applications</li></ul>Skills &amp; Experience<ul><li>Minimum 5 years&rsquo; experience as a Test Analyst in a commercial environment</li><li>Strong experience in manual testing of web and mobile applications</li><li>Experience creating manual and automated test cases</li><li>Ability to derive test cases from functional and technical documentation</li><li>Experience testing microservices, service-oriented architecture, GUI and non-GUI services</li><li>Hands-on experience with:</li><li>Selenium, Postman, or similar tools</li><li>Performance, load, scalability, and stress testing using JMeter</li><li>Solid knowledge of SQL and scripting</li><li>Experience estimating, prioritizing, planning, and coordinating testing activities</li><li>Ability to track and report QA metrics (e.g., defect density, open defect counts)</li><li>Experience working in Agile / Scrum environments</li></ul>Personal Attributes &amp; Values<ul><li>Strong communication skills and ability to work in a multicultural team</li><li>Self-motivated, fast learner, and adaptable</li><li>Logical problem solver with a creative mindset</li><li>Ability to work independently and self-manage workload</li><li>Accountable, reliable, and deadline-focused</li><li>Professional, confident, and approachable</li></ul>Job Type: Full-timePay: Up to Rs350,000.00 per monthWork Location: In person

Senior SQA Engineer

Limton Group of Companies

Limton Group of Companies is currently looking to recruit an experienced Software Quality Assurance (SQA) Engineer to join our team.The ideal candidate will have strong hands-on experience in testing multiple middleware platforms as well as software applications, including desktop/ web-based and mobile applications. This role requires a solid understanding of QA processes, manual test case design and execution, and close collaboration with both internal teams and external stakeholders.Key responsibilities include:<ul><li>Designing, reviewing, and executing manual test cases for middleware and application layers</li><li>Testing desktop and web-based applications for functionality, performance, and reliability</li><li>Coordinating with clients and stakeholders to gather, clarify, and analyze requirements</li><li>Documenting requirement analysis in the SOW (Scope of Work) clearly and accurately</li><li>Collaborating with development and product teams to ensure quality throughout the SDLC</li><li>Identifying, documenting, and tracking defects through resolution</li><li>Mentoring junior QA team members and promoting QA best practices</li></ul>Desired qualifications:<ul><li>Graduate In computer science from recognized university.</li><li>Proven experience as a Senior SQA or similar role</li><li>Strong expertise in manual testing and test case management</li><li>Experience testing middleware, desktop, and web-based applications</li><li>Knowledge of testing tools such as Serilium (or similar tools) will be a plus</li><li>Experience in requirement analysis and SOW documentation</li><li>Excellent analytical, communication, and documentation skills</li></ul>If you are interested in this opportunity or would like to learn more, please reply with your updated resume and availability for a discussion.We look forward to connecting with you.Job Type: Full-timePay: Rs85,000.00 - Rs90,000.00 per monthWork Location: In person

Riksof Private Limited

RIKSOF is an award-winning agency building AI-enabled solutions for mobile, web and IoT projects.We are currently on the lookout for highly motivated Trainee QA Engineer. In this role, you should be able to work in a challenging environment with seniors. You should have excellent personal, organizational and problem-solving skills.Successful candidates will have the opportunity to work on high visibility and technically complex projects.<ul><li>Prepare test data.</li><li>Write acceptance criteria under supervision.</li><li>Verify unit, functional, API and UI test cases under supervision.</li><li>Verify data models under supervision.</li><li>Assist in code reviews.</li><li>Write unit, functional, API and UI test cases.</li><li>Take responsibility for tasks assigned and provide regular updates to the team as per required protocols.</li><li>Manage personal work logs.</li><li>Manage task reports.</li></ul>Technical Skills<ul><li>Good understanding of testing Methodologies.</li><li>Document the acceptance criteria.</li><li>Record test progress and results.</li><li>Discover bugs within software.</li><li>Review user interfaces for consistency and functionality.</li><li>Follow the test plan developed senior team members.</li><li>Able to perform Regression and Performance Testing.</li><li>Strong communication/reporting skills.</li></ul>Desired Languages: Javascript or TypescriptCompensation &amp; Benefits<ul><li>Performance/Project Based Bonus.</li><li>Fuel allowance.</li><li>18 annual holidays.</li><li>Employee Old-Age Benefit (EOBI).</li><li>Casual, friendly environment.</li></ul>Skills: Javascript, Typescript, Manual Testing, Configuration Management, Automated Testing.Minimum Education: BachelorsDegree Title:: Bachelors in Computer Science(BSCS/B.E), and InformationJob Type: Full-timePay: From Rs32,000.00 per monthWork Location: In person

Trainee QA Engineer

MeezoTech

Location: Hybrid Experience: 4+ Years Qualification: Bachelor&rsquo;s degree in Computer Science (or equivalent)About the RoleWe are looking for a highly skilled Senior Software Engineer with strong expertise in Laravel, Node.js, and React to join our development team. The ideal candidate is a proactive problem-solver, has excellent communication skills, and is capable of leading features from concept to deployment while collaborating with cross-functional teams.Key Responsibilities<ul><li>Design, develop, and maintain scalable web applications using Laravel, Node.js, and React</li><li>Write clean, efficient, and well-structured code following best practices</li><li>Collaborate with product, UI/UX, DevOps, and QA teams</li><li>Participate in architectural discussions and technical decision-making</li><li>Optimize application performance and troubleshoot production issues</li><li>Mentor junior developers and contribute to code reviews</li><li>Ensure adherence to security, quality, and documentation standards</li></ul>Required Qualifications &amp; Skills<ul><li>4+ years of professional software development experience</li><li>Strong hands-on experience with:</li><li>Laravel / PHP</li><li>Node.js</li><li>React / JavaScript / TypeScript (preferred)</li><li>Solid understanding of REST APIs, Microservices, and JSON</li><li>Experience with relational databases (MySQL / PostgreSQL)</li><li>Familiarity with Git, CI/CD, and Agile development</li><li>Strong problem-solving &amp; analytical skills</li><li>Excellent written and verbal communication skills</li><li>Bachelor&rsquo;s Degree in Computer Science is mandatory</li></ul>Nice to Have (Optional)<ul><li>Experience with Docker / AWS / Cloud platforms</li><li>Knowledge of WebSockets, Queues, or Redis</li><li>Experience working in startup or SaaS environments</li></ul>Job Type: Full-timePay: Rs150,000.00 - Rs200,000.00 per monthWork Location: Hybrid remote in Karachi Shahra-E-Faisal

Senior Software Engineer — Laravel / Node.js / React

Explore 596+ Senior web engineer in Karachi this January. Find roles across top companies and apply now to boost your career.