We are looking for a highly skilled Senior Full Stack Developer with strong experience in building scalable, high-performance web applications. The ideal candidate should have expertise across modern frontend and backend technologies, database design, caching, and AI-powered data systems. You will work closely with cross-functional teams to design, build, and deploy production-grade applications.
Key Responsibilities- Design, develop, and maintain scalable full-stack applications.
- Build responsive and performant user interfaces using Next.js.
- Develop robust backend APIs and microservices using Node.js and Express.js.
- Design and optimize relational and NoSQL database schemas.
- Implement caching strategies using Redis to improve application performance.
- Work with Vector Databases to build AI-powered search, recommendation, or RAG-based features.
- Write clean, maintainable, and well-tested code following best practices.
- Collaborate with product managers, designers, and engineering teams to deliver high-quality features.
- Troubleshoot production issues and optimize application performance.
- Participate in code reviews and mentor junior engineers.
- 4-5 years of experience in full-stack software development.
- Strong hands-on experience with Next.js.
- Strong backend development experience with Node.js and Express.js.
- Solid understanding of SQL databases (PostgreSQL/MySQL).
- Experience with NoSQL databases (MongoDB or similar).
- Hands-on experience with Redis.
- Experience working with Vector Databases (Pinecone, Weaviate, Qdrant, Milvus, ChromaDB, or similar).
- Strong understanding of REST APIs and system design principles.
- Familiarity with Git and modern CI/CD workflows.
- Excellent debugging and problem-solving skills.
- Experience with AI/LLM applications and Retrieval-Augmented Generation (RAG).
- Knowledge of Docker, Kubernetes, or cloud platforms (AWS/GCP/Azure).
- Experience with message queues or event-driven architectures.
- Understanding of security and performance optimization best practices.
- Strong ownership mindset and attention to detail.
- Excellent communication and collaboration skills.
- Ability to work in a fast-paced, product-focused environment.
- Passion for building scalable, reliable, and high-quality software.
Work Location: Mumbai (On-site)
Work Schedule: 5 Days a Week (Work from Office)
Skills Required
- 4-5 years of full-stack software development experience
- Hands-on experience with Next.js
- Backend development experience with Node.js and Express.js
- Understanding of SQL databases such as PostgreSQL or MySQL
- Experience with NoSQL databases such as MongoDB
- Hands-on experience with Redis
- Experience with vector databases such as Pinecone, Weaviate, Qdrant, Milvus, or ChromaDB
- Understanding of REST APIs and system design principles
- Familiarity with Git and modern CI/CD workflows
- Excellent debugging and problem-solving skills
- Experience with AI/LLM applications and Retrieval-Augmented Generation
- Knowledge of Docker, Kubernetes, or cloud platforms such as AWS, GCP, or Azure
- Experience with message queues or event-driven architectures
- Understanding of security and performance optimization best practices
What We Do
Proof-of-Skill is a hiring and talent-matching platform that helps candidates find roles aligned with their skills, values, experience, and goals. It verifies identity, education, work history, and skills through proctored assignments and expert validation, then connects verified candidates with relevant employers and interviews. For businesses, it provides candidate skill-assessment software intended to reduce resume screening and improve recruiting efficiency for modern teams and hiring decisions.








