Senior Software Engineer - Backend
First seen by Alion on Sep 26, 2026.
Job Responsibilities :
- Design and develop robust backend components and APIs using Node.js for business-critical applications.
- Translate functional and technical requirements into efficient and scalable backend solutions.
- Build backend services capable of handling high-volume requests while maintaining reliability and responsiveness.
- Design efficient data-access layers and optimize database interactions for improved application performance.
- Implement appropriate caching and performance optimization strategies for backend services.
- Develop secure API endpoints and ensure appropriate authentication, authorization, validation, and error-handling mechanisms.
- Investigate production issues, analyze root causes, and implement sustainable fixes.
- Work closely with product, frontend, QA, DevOps, and other engineering teams throughout the development lifecycle.
- Participate in architecture and system-design discussions and provide inputs on backend technical decisions.
- Implement logging, monitoring, and alerting mechanisms to improve application observability.
- Contribute to code reviews and promote clean, maintainable, and consistent development practices.
- Support deployment activities and collaborate with DevOps teams to improve release and delivery processes.
- Identify opportunities to improve existing applications, processes, and development practices.
Required Skills :
- Prior experience working on consumer-facing products.
- Proven 4+ years of API development experience in Node JS and Express JS/Restify/Koa.
- Building scalable and performance oriented services with caching techniques.
- Experience with MongodB and analyzing the efficiency of queries.
- Working understanding of NGINX.
- Creating secure RESTful-based web services / APIs.
- Clear understanding of Data Structures & Algorithms.
- Experience Integrating payment gateways integrating with logging and monitoring systems.
- Must have used GIT (Source version control).
- Excellent problem solving & debugging skills.
- Good understanding of Microservice Architecture.
- Good understanding of system design & architecture.
Desired Skills :
- Experience working on ElasticSearch/Solr.
- Experience working on cloud technologies (AWS).
- Setting up CI/CD pipelines using Jenkins.
- APi Development Experience for high-traffic, public facing mobile applications.
- Work with various disciplines to provide technical insight of new initiatives.
- Experience with relational databases and knowledge of SQL.
Skills
Node.js, Express.js, MongoDB, RESTful Webservices, Backend Architecture, Nginx, Data Structure, Algorithm, Git