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Mahendra Dewangan
@mahendradewangan
AI Engineer at TCS, building Agentic RAG systems for Cisco and an AI coding agent for NextGen.
IndiaWhat I'm looking for
At Tata Consultancy Services, I work as an AI Engineer in Applied AI, developing an agentic coding harness for NextGen and Agentic RAG systems for Cisco. For NextGen, I implemented tool orchestration and project-aware build and verification workflows, and reduced LLM token consumption by approximately 35% by restructuring prompt payloads.
For Cisco, I developed retrieval systems that reduced lookup time for network infrastructure data by approximately 30%, and built a video search system with timestamp navigation for WebEx recordings. I’ve also developed full-stack and RAG projects, including askpdf, which supports question answering over PDFs.
Experience
Work history, roles, and key accomplishments
TS
Current
Working as an AI Engineer within Applied AI, building AI agents, RAG pipelines, and full-stack applications. Developed Agentic RAG systems for Cisco and an AI coding agent for NextGen, improving information discovery across large unstructured datasets.
Full Stack Developer with Applied AI
Buildspace
May 2024 - Aug 2024 (3 months)
Engineered askpdf, a RAG pipeline for real-time question answering over PDFs, and integrated streaming responses via Vercel AI SDK for low-latency interaction.
HN
Frontend Developer Internship
HNG
Sep 2023 - Nov 2023 (2 months)
Developed a screen recording Chrome extension using JavaScript and browser APIs, and streamlined video data transfer with Blob objects, improving backend efficiency and user navigation.
Education
Degrees, certifications, and relevant coursework
CR
Credly
Claude Certified Developer - Foundations, AI Development
2026 - 2026
Earned the Claude Certified Developer - Foundations certification.
CR
Credly
AWS Certified Developer - Associate, AWS Development
2026 - 2026
Earned the AWS Certified Developer - Associate certification.
MI
Microsoft
GitHub Certified - Agentic AI Developer, Agentic AI
2026 - 2026
Earned the GitHub Certified - Agentic AI Developer certification.
CR
Credly
Claude Certified Architect - Foundations, AI Architecture
2026 - 2026
Earned the Claude Certified Architect - Foundations certification.
MI
Microsoft
Microsoft Certified - Azure AI Engineer Associate, Azure AI Engineering
2026 - 2026
Earned the Microsoft Certified - Azure AI Engineer Associate certification.
BU
Buildspace
Apprenticeship, Full Stack Development
2024 - 2024
Completed a Full Stack Developer Apprenticeship, building a RAG pipeline for PDF question answering.
VC
Vishwavidyalaya Engineering College
Bachelor of Technology, Computer Science
2020 - 2024
Grade: 8.0/10
Pursued a Bachelor of Technology in Computer Science, achieving a CGPA of 8.0/10.
HN
HNG
Internship, Frontend Development
2023 - 2023
Completed a Frontend Developer Internship, developing a screen recording Chrome extension.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
IndiaAuthorized to work in
Website
mahendradewangan.comSalary expectations
40k+ USD
Job categories
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