Senior Software Engineer (MERN)

Reposted 14 Days Ago
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Lahore, Punjab, PAK
In-Office
Senior level
Professional Services • Software
The Role
The Senior Software Engineer will design and develop scalable web applications using React and Node.js, optimize performance, integrate RESTful APIs, and work in Agile environments.
Summary Generated by Built In

Senior Software Engineer – React / Node.js
Job Overview

We are looking for a highly skilled and experienced Senior Software Engineer with strong expertise in React, Node.js, and JavaScript technologies. The ideal candidate should have hands-on experience building scalable web applications, designing reusable UI components, integrating backend services, and working in Agile development environments.

Job Responsibilities
  • Design, develop, and maintain scalable and high-performance web applications using React and Node.js
  • Build reusable, modular, and maintainable UI components following component-based architecture principles
  • Develop and integrate RESTful APIs and backend services using Express.js
  • Collaborate with cross-functional teams, including product managers, designers, QA engineers, and backend developers
  • Optimize application performance using modern front-end best practices, including memoization, lazy loading, and code splitting
  • Participate in code reviews, sprint planning, daily stand-ups, and other Agile ceremonies
  • Write unit, integration, and end-to-end tests to ensure software quality and reliability
  • Manage version control workflows and contribute to CI/CD pipelines for automated testing and deployments
  • Troubleshoot, debug, and improve existing systems and applications
  • Stay updated with emerging technologies and suggest improvements to development practices
Required Skills & Qualifications
  • 4+ years of professional software development experience
  • Strong proficiency in React (latest versions), TypeScript, React Hooks, React Router, and Redux or similar state management libraries such as Zustand or TanStack Query
  • Strong expertise in JavaScript (ES6+), HTML5, CSS3, SASS/SCSS, Bootstrap, and Tailwind CSS
  • Solid understanding of component-based architecture, modular design principles, and reusable UI development
  • Experience with modern build tools and bundlers such as Webpack, Vite, or Parcel
  • Hands-on experience integrating RESTful APIs and WebSockets
  • Strong backend development experience using Node.js and Express.js
  • Good understanding of routing, middleware, and RESTful API design principles
  • Strong knowledge of relational databases, including schema design, normalization, indexing, and query optimization
  • Experience with unit and integration testing frameworks such as Jest and React Testing Library
  • Experience writing end-to-end tests using Cypress
  • Proficiency with Git and platforms like GitHub, GitLab, or Bitbucket
  • Experience working with CI/CD pipelines and automated deployment processes
  • Strong understanding of application performance optimization techniques
  • Experience working in Agile/Scrum environments
  • Excellent verbal and written communication skills
Nice to Have
  • Experience with Next.js, including SSR and SSG
  • Exposure to Python development
  • Experience working on Fintech platforms, POS systems, or AI integrations
A Culture of Belonging

At our core, we value diversity and inclusion. As an equal opportunity employer, we are dedicated to creating a workplace where every voice is heard, every person is respected, and everyone has the opportunity to succeed.

Skills Required

  • 4+ years of professional software development experience
  • Strong proficiency in React, TypeScript, React Hooks, React Router, and Redux or similar state management libraries
  • Strong expertise in JavaScript (ES6+), HTML5, CSS3, SASS/SCSS, Bootstrap, and Tailwind CSS
  • Strong backend development experience using Node.js and Express.js
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The Company
HQ: Chicago, IL
200 Employees
Year Founded: 1991

What We Do

Strategic Systems International (SSI) is a fast-growing Advanced Analytics and Software Engineering firm that partners with tech companies to help them launch and scale their products. The company was launched in 1991 by alumni of University of Chicago and Northwestern has grown to 200 employees with presence in US, Europe and Asia. We architect a

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