Lead Software Development Engineer - Backend
First seen by Alion on Aug 7, 2026.
Who We Are :
FreeChargeBiz, a subsidiary of Axis Bank Limited, is a FinTech organization building the future of digital financial products through technology and innovation. Backed by the strength of a leading financial institution, we combine the agility and pace of a startup with the stability and scale of a mature organization. With a pan-India presence and 2,500+ team members, including 750+ technology professionals, our cross-functional teams build products at scale that impact millions of users every day.
What You'll Be Doing :
- Lead the design, architecture, development, and deployment of scalable, high-performance enterprise applications that solve complex business problems.
- Drive end-to-end system design, architecture discussions, and technical decision-making for backend platforms and distributed systems.
- Design scalable, resilient, and secure microservices-based applications using Node.js, JavaScript/TypeScript, and modern backend technologies.
- Define High-Level Design (HLD) and Low-Level Design (LLD), ensuring solutions are scalable, maintainable, and aligned with engineering best practices.
- Build and optimize RESTful APIs, serverless applications, and event-driven architectures to support high-volume transactions.
What We're Looking For :
- Strong proficiency in JavaScript (ES6+) and Node.js.
- Strong hands-on experience with Node.js, Express.js, and backend application development.
- Strong expertise in System Design, Software Architecture, and designing scalable distributed systems.
- Experience designing and developing Microservices and Event-Driven Architectures.
- Strong understanding of asynchronous programming, event loops, concurrency, and scalable backend systems.
- Experience building high-performance REST APIs and serverless applications.
- Strong proficiency working with Relational Databases (MySQL/PostgreSQL) and NoSQL Databases (MongoDB/DynamoDB/Redis).
- Strong understanding of API security, authentication, authorization (JWT/OAuth), and secure coding practices.
- Experience working with cloud platforms such as AWS, including services like EC2, Lambda, API Gateway, S3, RDS, CloudWatch, SQS, or SNS.
- Experience mentoring junior developers and leading technical initiatives.
Skills
System Design, System Architecture, Node.js, Javascript, TypeScript, RESTful API, Microservices Architecture, REST API, MySQL