rajat User
@rajatuser2
AI engineer and full‑stack developer building scalable web and voice‑driven AI systems.
ZimbabweWhat I'm looking for
I am an AI engineer and full‑stack professional with nine years’ experience delivering high‑scale web applications and AI‑driven products. I specialize in backend architecture, LLM orchestration, agentic workflows, and real‑time voice AI systems.
As Founder and Full Stack Engineer at AI Lab, I built a voice‑driven AI coach with a real‑time STT → LLM → TTS pipeline, agentic workflows, RAG integration, and analytics for monitoring and A/B testing.
In technical co‑founder roles I architected a payment platform for cross‑border UPI transactions and developed OCR + NLP and LLM‑powered semantic search systems for AI hiring, focusing on secure, high‑volume transactions and improved candidate‑job matching.
I develop end‑to‑end systems solo and in small teams—Python backends (AWS, Gunicorn, PostgreSQL, Nginx), SvelteKit/React frontends, multi‑process scaling, rate limiting, and database optimization—always prioritizing low latency, reliability, and measurable product outcomes.
Experience
Work history, roles, and key accomplishments
AI Engineer & Full-Stack
AI Lab
Jan 2024 - Present (1 year 8 months)
Built a voice-driven AI coach with a real-time STT→LLM→TTS pipeline serving 200+ active users, designed agentic workflows and RAG-based contextual retrieval, and developed full Python backend and SvelteKit frontend while implementing monitoring and scaling strategies.
Technical Co-Founder
FinTech Platform
Jan 2023 - Dec 2023 (11 months)
Architected a payment platform enabling foreign travelers to transact via UPI, led banking API integrations and compliance discussions, and designed secure, real-time high-volume transaction workflows.
Technical Co-Founder
AI Hiring Platform
Jan 2023 - Dec 2023 (11 months)
Built OCR+NLP pipelines to parse resumes, implemented LLM-powered semantic search and embeddings for candidate-job matching, and delivered recruiter tools for automated shortlisting and scoring.
Education
Degrees, certifications, and relevant coursework
rajat hasn't added their education
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Location
ZimbabweAuthorized to work in
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Skills
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