Senior / MERN Stack Developer

Who We are:

Short video abous us

Paxcom a leading Digital Solution Provider is a part of Paymentus now, a leading electronic bill payment provider. PaymentUs leads the North American marketplace in electronic bill payment solutions and have recently signed a partnership with Paypal, Alexa and Walmart.

Recognized by Deloitte as one of the fastest growing companies in North America, Paymentus is the premier provider of innovative, reliable, and secure electronic bill presentment and payment services for more than 1300 clients leading the Utility, Telecom, Auto Finance, Insurance, Consumer Finance, and Health industries. Our comprehensive eBilling and Payment Platform allows our clients to provide a unified customer bill-pay experience that includes online, mobile, IVR, text, kiosk, and agent-assisted channels, as well as a full range of customer communication options.

For more details, please visit www.paymentus.com & www.paxcom.ai

Job Title: Senior Software Engineer (MERN)

Years of Experience : 4+ Years

Job Type: Full Time | Work from Office

Job Location : Mohali/Gurugram

Interview Process: Tech Round 1 (Webcam) >> Tech Round 2 (Face-to-Face / Webcam) >> Tech 3 (If Required)

The process has been kept concise to ensure a smooth and efficient evaluation experience for both candidates and the hiring team.

Professional Experience:

• •Designed, developed, tested, and deployed scalable full-stack web applications using the MERN stack (MongoDB, Express.js, React.js, and Node.js) for enterprise and SaaS-based solutions.
• •Built high-performance RESTful APIs using Express.js and Node.js, implementing authentication, authorization (JWT/OAuth), role-based access control, and secure API communication.
• •Leveraged Node.js asynchronous programming model, Promises, async/await, streams, and event-driven architecture to build efficient and scalable backend services.
• •Designed and optimized MongoDB databases, including schema design, aggregation pipelines, indexing strategies, query optimization, and performance tuning for handling large datasets.
• •Developed responsive and reusable UI components using React.js, React Hooks, Context API, Redux Toolkit, and React Router, ensuring seamless user experiences across devices.
• •Integrated third-party APIs, payment gateways, email services, cloud storage, and authentication providers into web applications.
• •Implemented state management using Redux and Context API for complex frontend applications, improving maintainability and application performance.
• •Worked extensively with JavaScript (ES6+) and TypeScript to build clean, modular, and maintainable code following modern development standards.
• •Built reusable middleware, validation layers, error handling mechanisms, and logging systems for scalable backend architectures.
• •Containerized applications using Docker and collaborated on deployment pipelines for development, testing, and production environments.
• •Used Git for version control, feature branching, code reviews, pull requests, and collaborative development in Agile/Scrum teams.
• •Optimized application performance through lazy loading, code splitting, caching, database indexing, API optimization, and frontend rendering improvements.
• •Participated in requirement gathering, technical design discussions, sprint planning, estimation, and production support activities.
• •Troubleshot production issues, resolved bugs, and implemented continuous improvements to enhance application stability and user experience.

What We Expect From You

• •Ability to work in a fast-paced environment while adapting to changing priorities.
• •Focused and detail-oriented, while knowing when to seek help from others.
• •Excellent written and verbal communication skills to articulate problems and solutions to both technical and non-technical audiences.
• •Superior troubleshooting and analytical skills to determine the root cause of issues.
• •Proactively identify areas of improvement and work to prevent issues from occurring.
• •A self-starter with an appreciation for tackling technical challenges of varying complexity.
• •Diligent in decision-making and able to justify your actions confidently.

Why Join Us?

• •Be part of a product-based organization solving real-world business challenges through innovative technology.
• •Gain exposure to modern technologies, cloud platforms, and AI-driven innovations while working on impactful products.
• •Experience a collaborative, transparent, and employee-first work culture built on trust and ownership.
• •Enjoy a healthy work-life balance with flexibility and a focus on outcomes.
• •Work in an environment with minimum micromanagement , where you're empowered to take ownership , accountability and make decisions.
• •Accelerate your career through a learning-oriented culture that encourages continuous upskilling and professional growth.

Rescheduling Policy

We do not encourage rescheduling interviews due to the limited availability of interview panel slots. Any request to reschedule an interview must be communicated at least one day in advance might be considered.