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Hi, I’m Sahil Singh, a Full Stack Engineer specializing in AI-powered SaaS with 7+ years shipping production-grade software. I build end-to-end apps using Next.js, TypeScript, Node.js/Express, PostgreSQL, Stripe, and AI APIs (OpenAI/Anthropic), delivering multi-tenant auth, admin dashboards, and AI features on time. Based in Toronto, Canada and available for remote work, I thrive on shipping fast, writing tests, and owning the entire lifecycle from architecture to deployment on Vercel and Railway.…Hi, I’m Sahil Singh, a Full Stack Engineer specializing in AI-powered SaaS with 7+ years shipping production-grade software. I build end-to-end apps using Next.js, TypeScript, Node.js/Express, PostgreSQL, Stripe, and AI APIs (OpenAI/Anthropic), delivering multi-tenant auth, admin dashboards, and AI features on time. Based in Toronto, Canada and available for remote work, I thrive on shipping fast, writing tests, and owning the entire lifecycle from architecture to deployment on Vercel and Railway.

Sahil Singh

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Sahil Singh, a Full Stack Engineer specializing in AI-powered SaaS with 7+ years shipping production-grade software. I build end-to-end apps using Next.js, TypeScript, Node.js/Express, PostgreSQL, Stripe, and AI APIs (OpenAI/Anthropic), delivering multi-tenant auth, admin dashboards, and AI features on time. Based in Toronto, Canada and available for remote work, I thrive on shipping fast, writing tests, and owning the entire lifecycle from architecture to deployment on Vercel and Railway.…Hi, I’m Sahil Singh, a Full Stack Engineer specializing in AI-powered SaaS with 7+ years shipping production-grade software. I build end-to-end apps using Next.js, TypeScript, Node.js/Express, PostgreSQL, Stripe, and AI APIs (OpenAI/Anthropic), delivering multi-tenant auth, admin dashboards, and AI features on time. Based in Toronto, Canada and available for remote work, I thrive on shipping fast, writing tests, and owning the entire lifecycle from architecture to deployment on Vercel and Railway.

Available to hire

Hi, I’m Sahil Singh, a Full Stack Engineer specializing in AI-powered SaaS with 7+ years shipping production-grade software. I build end-to-end apps using Next.js, TypeScript, Node.js/Express, PostgreSQL, Stripe, and AI APIs (OpenAI/Anthropic), delivering multi-tenant auth, admin dashboards, and AI features on time.

Based in Toronto, Canada and available for remote work, I thrive on shipping fast, writing tests, and owning the entire lifecycle from architecture to deployment on Vercel and Railway.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Intermediate Software Developer at VerticalScope (RateMDs)

January 1, 2026 - Present

Led React migration and platform modernization; delivered a 6-month roadmap in 1; redesigned RateMDs with all-green Core Web Vitals and built an embeddable ratings widget while preserving GTM/Analytics instrumentation. Introduced Figma MCP, Chrome MCP, and CodeRabbit to team workflows.

Freelance Full Stack Consultant at Upwork

September 1, 2025 - December 1, 2025

Core AI MVP: built multi-tenant SaaS with Next.js/TypeScript/Supabase, Stripe subscription, RBAC, admin dashboard; integrated Anthropic API for AI Auto Scheduler and AI Recruiter voice pipeline; deployed on Vercel in 3 months.

Full Stack Developer at SalonScale

December 1, 2022 - August 1, 2025

Migrated monolithic Django backend to Node.js/Express REST API; reduced API latency 60%; built 35+ reports on GCP Serverless with PostgreSQL; multi-tenant architecture with Stripe; developed embeddable ratings widget.

Staff Engineer at Nagarro (BMW team)

March 1, 2021 - August 1, 2022

Led a team of 4 engineers; re-engineered rule engine 4x faster with 12,000+ tests at 85% coverage; reduced production incidents 50% via feature flags and canary deployments; mentored 12 developers.