Senior Full Stack Engineer - Javascript/Node.js
First seen by Alion on Oct 17, 2026.
Key Responsibilities :
- Design, develop, test, and maintain scalable full-stack web applications.
- Build responsive and user-friendly frontend interfaces using modern JavaScript frameworks.
- Develop robust backend services, RESTful APIs, and microservices.
- Design, optimize, and maintain relational and NoSQL databases.
- Integrate third-party APIs, services, and enterprise applications.
- Write clean, reusable, maintainable, and well-documented code.
- Implement application security, authentication, authorization, and performance optimization.
- Collaborate with product managers, designers, QA engineers, and other developers to deliver high-quality solutions.
- Participate in code reviews, technical discussions, and architectural decisions.
- Troubleshoot production issues and improve application reliability.
- Contribute to CI/CD pipelines, automated testing, and deployment processes.
- Mentor junior developers and promote engineering best practices.
Required Skills & Experience :
- 5+ years of experience in full-stack software development.
- Strong proficiency in JavaScript and/or TypeScript.
- Hands-on experience with frontend frameworks such as React.js, Angular, or Vue.js.
- Strong backend development experience using Node.js, Python, Java, or similar technologies.
- Experience designing and developing RESTful APIs and integrating third-party services.
- Good understanding of relational databases such as PostgreSQL or MySQL and/or NoSQL databases such as MongoDB.
- Experience with Git and collaborative software development workflows.
- Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
- Understanding of application security, performance optimization, and scalable system design.
- Experience with unit testing, integration testing, and debugging.
- Strong problem-solving, communication, and collaboration skills.
Good to Have :
- Experience with microservices and distributed systems.
- Knowledge of Docker, Kubernetes, and CI/CD tools.
- Familiarity with automated testing frameworks.
- Experience with message queues and event-driven architectures.
- Exposure to AI/ML integrations, large language models (LLMs), or AI-powered applications.
- Experience working in Agile/Scrum environments.
Preferred Candidate Profile :
- Strong ownership of end-to-end software development and delivery.
- Ability to translate business requirements into scalable technical solutions.
- Comfortable working independently and collaborating with cross-functional teams.
- Focus on code quality, system reliability, and continuous improvement.
Skills
Full Stack, Javascript, TypeScript, React.js, Node.js, RESTful, AngularJS, Vue.js, PostgreSQL, NoSQL, SQL