Senior Software Engineer (MERN)
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.
About the Company
Your Career at SSI
We offer more than just jobs. At SSI, we build careers rooted in purpose, collaboration, and continuous growth. Guided by our core values of absolute devotion to customer satisfaction, courtesy, professionalism, and a goal-oriented bias for action, we foster an environment where excellence thrives and integrity drives every decision.
We value clarity, ownership, and mutual respect. This is a place where ideas are heard, feedback is welcomed, and contributions are genuinely recognized. Whether you are launching your career or bringing years of experience, SSI is where ambition meets opportunity.
A Place Where You Belong
We bring together individuals from diverse backgrounds, experiences, and perspectives because we believe our differences are a source of strength. Diverse teams make smarter decisions, accelerate innovation, and achieve stronger outcomes. That is why we are committed to cultivating an inclusive culture where every voice is valued, every person is respected, and everyone has the opportunity to grow and thrive.
Here, belonging is not a program. It is a mindset and a way of leading that defines how we work together and support one another.
Equitable Opportunities
Success at SSI is built on merit. We ensure fairness at every stage, from hiring and development to recognition and advancement, creating a culture where talent and dedication are truly rewarded.
Purpose Meets Possibility
Your work at SSI creates real impact. You will contribute to breakthrough solutions, apply emerging technologies, and help build a smarter, more sustainable future.
Join us and discover what is possible when your potential is fully realized.
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