Full Stack Engineer
RecroKolkata, IN30+ days ago
Job description5+ years of experience building and scaling production software (0→1 and 1→10). Strong skills in React, TypeScript, and Python (FastAPI preferred) . Experience architecting SaaS platforms serving thousands of users. Proficiency with PostgreSQL and MongoDB . Hands-on expertise in AWS / Azure , including deployments and security. Proven track record of leading and mentoring engineers. Ability to make pragmatic, high-quality technical decisions under startup constraints. Experience with AI / ML APIs (OpenAI, Anthropic, Google Cloud AI). Knowledge of LLM-powered applications, prompt engineering, and vector databases (RAG). Familiarity with voice technologies (STT / TTS) and real-time audio. Mobile development with React Native or similar. Search / retrieval systems experience. Healthcare domain knowledge or compliance expertise (GDPR, HIPAA). Previous early-stage startup experience.
You’re a senior full stack engineer (2+ years) who thrives in fast-paced, early-stage environments. You’re eager to build products from scratch, own an entire product line, and lead a small but growing engineering team. You balance technical rigor with the pragmatism required to ship quickly, and you’re comfortable making architectural decisions while mentoring others.
Responsibilities
- Own one core product vertical end-to-end : architecture, development, delivery, and maintenance.
- Lead and mentor 2–3 junior engineers while remaining hands-on with critical features.
- Build scalable full-stack solutions using React / TypeScript (frontend) and Python (FastAPI / Django) (backend).
- Integrate AI services (OpenAI, Anthropic, etc.) and voice technologies (STT / TTS).
- Design cloud infrastructure (AWS / Azure), databases, and scalable systems.
- Define and enforce engineering best practices (CI / CD, testing, code reviews).
- Collaborate with founders and product teams to align technical solutions with business goals.
- Develop APIs and real-time features with WebSockets and SSE.
Qualifications
Must-Have :
Nice-to-Have :
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Stack Engineer • Kolkata, IN
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