Senior Software Engineer - MERN Stack

Devsinc

Islamabad, Islamabad Capital Territory, Pakistan permanent

Posted: February 12, 2026

Job Description

Devsinc is seeking a talented MERN Developer to join our dynamic team. In this role, you will be responsible for closing sales and driving business growth through the effective use of Python programming and script automation. You will work closely with the sales team to develop tailored solutions that meet client needs, leveraging your programming skills to enhance productivity and streamline communication processes. If you are passionate about technology and have a knack for sales, this is the perfect opportunity for you!

• Lead the design and development of full-stack features using the MERN stack: MongoDB, Express.js, React.js, and Node.js.

• Architect scalable and maintainable solutions for backend APIs and frontend UI components.

• Build and manage RESTful and/or GraphQL APIs with proper error handling and authentication (e.g., JWT, OAuth).

• Write unit and integration tests using tools such as Jest, React Testing Library, Mocha, or Chai.

• Optimize web application performance for speed and scalability.

• Implement responsive and accessible UI/UX using modern CSS (SASS, CSS Modules, Tailwind, etc.).

• Work with version control (Git) using feature branching and pull requests.

• Collaborate with cross-functional teams including Product, QA, DevOps, and Design.

• Perform thorough code reviews, enforce best practices, and mentor junior developers.

• Integrate with third-party services (e.g., Stripe, SendGrid, Firebase) as needed.

• Participate in architecture discussions and technical planning sessions.

Qualification

5+ years of hands-on development experience with the MERN stack.

Requirements:
• Strong knowledge of React.js, including hooks, state management (e.g., Redux, Zustand, or Context API), and component-based design.
• In-depth understanding of Node.js runtime and asynchronous programming (Promises, async/await).
• Proficient in MongoDB: schema design, aggregations, indexing, performance tuning.
• Solid experience building RESTful APIs and working with Express.js.
• Familiarity with Docker for local development and deployment.
• Experience integrating and deploying to cloud platforms (AWS, GCP, Vercel, Heroku).
• Strong grasp of software design principles, modular architecture, and code scalability.
• Fluency in TypeScript is a strong plus.
• Proficient in using CI/CD tools and managing deployment pipelines.
• Experience with SSR/SSG frameworks (e.g., Next.js).
• Knowledge of WebSockets and real-time features (e.g., socket.io).
• Familiarity with monorepos, micro-frontends, or microservices.
• Exposure to Agile/Scrum methodologies.
• Prior experience in mentoring, and leading feature teams.

Benefits:
Provident Fund, Medical Inpatient Facility, Medical Outpatient Facility, Paid Overtime, In-house Subsidized Lunch & Dinner, Gym Facility, Entertaining Activities, Interest Free Loan Facility, Advance Salaries and Sports Allowance.

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