Full Stack Developer

5 days ago

Rajarhat Kolkata West Bengal, India Solutionzhere Full time ₹ 2,50,000 - ₹ 5,00,000 per year

Job Title: Full Stack Developer – SaaS AI Knowledge Base Platform

Location: Onsite Kolkata Rajarhat

Job Type: Full-Time Permanent

Experience Level: Mid to Senior

About the Role:

We are looking for a skilled Full Stack Developer to build a plug-and-play SaaS AI Knowledge Base platform. The platform will ingest documents and website content, generate embeddings for similarity search, and use OpenAI GPT-4o to deliver AI-powered answers. It will feature robust user access control (RBAC), multi-tenant support, and embeddable chatbots via JS SDK/Iframe.

Key Responsibilities

  • Design, develop, and deploy the SaaS AI Knowledge Base as per the project's 15-week roadmap.
  • Implement role-based access control and secure authentication using Firebase.
  • Develop multi-tenant architecture with subdomains, dashboards, and content management.
  • Build content ingestion workflows: PDF uploads, web crawling, text parsing, chunking, and embedding generation.
  • Integrate vector search using Qdrant/Weaviate.
  • Implement RAG pipeline for GPT-powered responses.
  • Develop an embeddable chatbot SDK and analytics dashboard.
  • Deploy using Docker, AKS, Helm, and ensure robust monitoring and security.
  • Deliver complete documentation (Admin, User, SDK/API).

Technical Requirements

  • Proficiency in , Express, , TailwindCSS, Prisma.
  • Experience with Firebase Auth, AWS S3/Azure Blob, PostgreSQL, and vector databases (Qdrant/Weaviate).
  • Strong understanding of OpenAI APIs, embeddings, and similarity search.
  • Knowledge of multi-tenant SaaS architecture and RBAC implementation.
  • Familiarity with DevOps tools (Docker, AKS, Helm, GitHub Actions, Grafana, Prometheus).
  • Experience in web crawling (Cheerio, Puppeteer) and PDF/document parsing.

Nice to Have

  • Experience integrating chatbots with Slack/Discord.
  • Familiarity with Stripe billing integration.
  • Knowledge of analytics tools (Supabase, Sentry).

What We Offer

  • Opportunity to work on cutting-edge AI SaaS product development.
  • Competitive compensation based on experience.

How to Apply

Send your resume, portfolio, and relevant project examples to with the subject line "Full Stack Developer – AI Knowledge Base".

Best Regards

Subrata

Job Types: Full-time, Permanent

Pay: ₹25, ₹50,000.00 per month

Application Question(s):

  • Can you join onsite at Kolkata office ?

Work Location: In person

  • Full Stack Developer

    1 week ago

    Salt Lake, Kolkata, West Bengal, India WEBINGO INFOTECH SOLUTIONS Full time ₹ 2,00,000 - ₹ 3,00,000 per year

    Job Title: MERN / Full Stack DeveloperLocation: Salt Lake Sector VExperience: Minimum 1 YearEmployment Type: Full-timeJob Description:We are looking for a skilled MERN / Full Stack Developer with at least 1 year of hands-on experience to join our team. The ideal candidate should be proficient in building scalable applications using MongoDB, , , and with...

  • Full Stack Developer

    1 week ago

    Salt Lake, Kolkata, West Bengal, India Microbase Infotech Pvt Ltd Full time ₹ 20,000 - ₹ 30,000 per year

    We are seeking a highly skilled Full Stack Developer (MEAN Stack) to join our dynamic team. The ideal candidate will have strong expertise in building scalable web applications using MySQL, MongoDB, , Angular, and , along with the ability to manage both front-end and back-end development.Key ResponsibilitiesDesign, develop, and maintain web applications...

  • Full Stack Developer

    1 week ago

    Park Street, Kolkata, West Bengal, India Noah Healthcare Full time ₹ 2,00,000 - ₹ 2,50,000 per year

    Job Title: Full Stack DeveloperCompany Name - IT CompanyLocation: Kolkata (Park Street)Employment Type: Full-TimeJob Summary:We are seeking a talented and motivated Full Stack Developer with a strong background in React, Node JS, CSS to join our dynamic development team. The ideal candidate will work on developing and maintaining scalable web applications,...

  • Full Stack web developer

    1 week ago

    Kolkata metropolitan area, West Bengal, India Grape Services Pvt Ltd Full time ₹ 1,04,000 - ₹ 1,30,878 per year

    ABOUT THE ROLEWe are looking for a skilled Full Stack Developer who can handle bothfront-end and back-end developmentto build scalable, high-performing web applications. The ideal candidate should have strong experience with modern frameworks, cloud hosting, and database management.RESPONSIBILITYDesign, develop, and maintain full-stack web applications.Work...

  • Senior Full Stack Developer

    1 week ago

    Salt Lake, Kolkata, West Bengal, India Pitangent Analytics and Technology Solutions Pvt. Ltd. Full time ₹ 1,92,034 - ₹ 2,42,041 per year

    Job Position - Sr. MERN STACK DEVELOPERJob Responsibilities:1) Design, develop, and maintain full-stack applications using the MERN stack (MongoDB, , , Implement cloud-based solutions leveraging AWS services. 3)Optimize applications for maximum speed and scalability. 4)Collaborate with cross-functional teams to define, design, and ship new features....

  • Full Stack Developer

    3 days ago

    Kolkata, West Bengal, India SAR Ventures & Softwares Full time

    Experienced Full Stack DeveloperSAR Venture and Softwares Private Limited is seeking a highly skilled and motivated Full Stack Developer to join our growing team. We are looking for an experienced professional who is passionate about building robust, scalable, and user-friendly web applications. The ideal candidate will have a strong background in both...

  • Full Stack Developer

    3 days ago

    Kolkata, West Bengal, India SAR Ventures & Softwares Full time

    Experienced Full Stack DeveloperSAR Venture and Softwares Private Limited is seeking a highly skilled and motivated Full Stack Developer to join our growing team. We are looking for an experienced professional who is passionate about building robust, scalable, and user-friendly web applications. The ideal candidate will have a strong background in both...

  • Junior Full Stack Developer

    1 week ago

    Salt Lake, Kolkata, West Bengal, India nosyworld solutions Full time ₹ 25,000 - ₹ 3,00,000 per year

    Experience: 1–2 yearsEmployment Type: Full-time, In-OfficeAbout UsWe are a rapidly growing fintech company dedicated to building secure, scalable, and high-performance financial solutions. Our focus is on innovation, reliability, and delivering seamless digital payment experiences. Joining us means being part of a mission-driven team that values technology...

  • Full Stack Developer

    1 week ago

    Kolkata, West Bengal, India Arkca Corporate Solutions Full time US$ 50,000 - US$ 1,00,000 per year

    Company DescriptionArkca Corporate Solutions is a leading provider of consultancy services utilizing cutting-edge technologies. Our team encompasses experienced and renowned professionals with expertise in areas such as company formation, corporate compliance, HR & payroll processes, and general corporate consultancy. We strive to deliver exceptional...

  • Full Stack Developer

    1 week ago

    Kolkata, West Bengal, India Somnetics (Som Imaging Informatics Pvt. Ltd.) Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Job Description – Full Stack Developer + )Position: Full Stack DeveloperExperience: 4–5 YearsAbout the RoleWe are seeking aFull Stack Developerwith expertise in (frontend)and (backend)to build scalable, secure, and high-performing web applications. The role involves end-to-end product development, cross-team collaboration, and delivery of high-quality...