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Shashank Sahu

@shashanksahu

Senior Full Stack Engineer at Foresynth who built a bilingual RAG assistant resolving ~35% of support queries without a human.

India

Message

At Foresynth, I build AI-powered product features for SaaS clients in the US and UAE. I built a bilingual English-Arabic RAG support assistant that handles ~4,000 queries a day and resolves ~35% without a human.

I also built a meeting intelligence platform that turns Zoom and Google Meet recordings into transcripts, summaries, and action items. I cut its monthly LLM cost by ~30% and built usage-based Stripe billing.

At Fiduwork, I built core features for FiduWork, a Web3 freelance hiring platform, including job search, milestone-based contracts, and USDC escrow flows. I also built reusable React and TypeScript components as a Software Development Intern before converting to full-time.

I work directly with product teams and mentor junior developers. I use Claude Code and Cursor in a spec-driven workflow, with human-reviewed code and tests.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Developer

Current

Foresynth

Mar 2026 - Present (7 months)

Built an AI meeting intelligence platform with transcription, summarization, and action items, and reduced LLM cost by ~30% through model routing and caching. Mentored two junior developers and introduced a spec-driven agentic workflow.

TypeScript NodeJS NestJS Next.js React OpenAI API Anthropic Claude API Deepgram Zod PostgreSQL Drizzle ORM BullMQ Redis Stripe S3 AWS ECS Docker Claude Code Cursor MCP

Software Developer

Foresynth

Nov 2024 - Feb 2026 (1 year 3 months)

Built a bilingual RAG support assistant handling ~4,000 queries daily with ~35% resolved without human intervention, and a subscription analytics dashboard with Stripe data. Implemented hybrid search, multi-tenant isolation, and streaming chat UI.

TypeScript NodeJS Express Next.js React Vercel AI SDK OpenAI API PostgreSQL Pgvector Prisma Redis BullMQ AWS ECS AWS RDS S3 Docker GitHub Actions Stripe API Playwright

Associate Software Developer

Fiduwork

Jun 2023 - Oct 2024 (1 year 4 months)

Built core features of a Web3 freelance hiring platform including job posting, freelancer applications, milestone-based contracts, and USDC escrow flow. Implemented search, messaging, and Playwright end-to-end tests.

TypeScript Next.js React NodeJS PostgreSQL Prisma Redis BullMQ Wagmi Viem WalletConnect USDC WebSockets Sendgrid Playwright

Software Development Intern

Fiduwork

Jun 2022 - May 2023 (11 months)

Built reusable React.js components documented in Storybook and the Next.js marketing site with responsive layouts and SEO metadata. Fixed UI bugs and wrote Jest and React Testing Library tests.

React TypeScript Next.js Storybook Jest React Testing Library