Sr. Full Stack Web Developer
AppSierra Solutions · Not specified · onsite · Posted 52d ago
Not disclosed10–12 yrsfulltimeSourced from
About a minute. You'll make an account on the way through.
About this role
Key Responsibilities
Core Skills
- Design, develop, and maintain full-stack web applications using React (frontend) and NestJS/TypeScript (backend).
- Architect and optimize APIs, microservices, and event-driven systems leveraging Kafka.
- Work with PostgreSQL and MongoDB to model, store, and query structured and unstructured data.
- Ensure system reliability, performance, and security across AWS cloud environments (EC2, S3, RDS, Lambda, etc.).
- Collaborate with Product, Design, and Data teams to deliver user-friendly, high-impact applications.
- Implement CI/CD pipelines, automated testing, and code reviews to ensure best engineering practices.
- Contribute to system design and architecture decisions for scalability and maintainability.
- Mentor junior developers, providing technical guidance and fostering a culture of excellence.
- Troubleshoot, optimize, and improve existing systems to meet evolving business needs.
Core Skills
- 10+ years of professional software development experience, with at least 3+ years in full stack roles.
- Strong expertise in TypeScript and JavaScript for both frontend and backend development.
- Proficient in NestJS (Node.js framework) for building scalable backend APIs.
- Advanced experience with React for building modern, responsive web interfaces.
- Hands-on with PostgreSQL (relational DB) and MongoDB (NoSQL).
- Experience with Kafka for real-time messaging, streaming, and event-driven architecture.
- Solid knowledge of AWS cloud services (EC2, RDS, S3, Lambda, IAM, etc.).
- Familiarity with containerization and orchestration (Docker, Kubernetes, ECS/EKS).
- Experience with CI/CD pipelines (GitHub Actions, GitLab CI, or similar).
- Knowledge of system security best practices (JWT, OAuth2, RBAC).
- Exposure to financial systems, blockchain, or cryptocurrency technologies.
- Frontend: React, TypeScript, TailwindCSS
- Backend: NestJS (Node.js, TypeScript), REST & GraphQL APIs
- Databases: PostgreSQL, MongoDB, Redis
- Messaging & Streaming: Kafka
- Cloud: AWS (EC2, RDS, S3, Lambda, CloudFront, IAM)
- CI/CD & DevOps: GitHub Actions, Docker, Kubernetes
Sourced from foundit
Skills
DockerKubernetesPostgresqlnestjsApache Kafkaamazon web servicesgitlab ciGithub ActionsJavascriptNode.JsMongoDBTypescriptReact.Js
About Appsierra

AppSierra Solutions
IT Services & Consulting
150
employees
2015
11 years old
Noida, Uttar Pradesh
IN
₹4.7L PA avg
Avg at Appsierra
About
Appsierra is best software testing company in USA, India & UK.They are CMMI level 3 certified testing company offering complete software testing services for mobile, web & api at effective price.
Industries
IT Services & ConsultingSoftware Product
Employee ratings
10 reviews
4.3/ 5
Culture
4.5
Career growth
4.6
Work-life
4.4
Employees rate it well for
Overall Company43Company Culture42
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