Jashandeep Singh

Backend-focused full-stack developer India

I build scalable APIs, real-time systems, and cloud-native applications with a focus on performance, system design, and developer experience.

Resume GitHub profile

Selected work

Vibeongo (opens in a new tab)

AI-powered development environments that spin up isolated VPS instances from GitHub repositories. I automated AWS provisioning and integrated GitHub Apps for AI-assisted coding and pull request reviews.

Next.js, Express.js, Go, Echo, AWS, GitHub Apps, Docker, AI

MailStudio (opens in a new tab)

AI-powered email creation with responsive templates, MJML and HTML output, and a visual editor. Built backend workflows with ~20ms average API response times and 99.9% uptime.

Next.js, Express.js, PostgreSQL, Redis, AWS, Docker

GitSol (opens in a new tab)

Solana-based platform for managing GitHub bounties and secure payouts. First place at a hackathon.

Solana, React, Next.js, Express, Prisma, PostgreSQL

Experience

Software Engineer at DevsRardar

Aug 2025 – Present

Built and launched MailStudio and Vibeongo, owning full-stack development and production deployment. Developed AI integrations and automated workflows for email creation, cloud coding, and pull request reviews.

Full Stack Developer at Thinknext technologies

Jan 2025 – Jun 2025

Built production APIs with Node.js, PostgreSQL, and MongoDB; implemented OAuth and AI integrations, and helped maintain cloud infrastructure on AWS and DigitalOcean.

Full Stack Developer Intern at Excellence Technology

Jun 2024 – Aug 2024

Built web applications, REST APIs, authentication systems, and AI-powered features with Next.js, Express.js, and MongoDB.

About

I build and deploy production applications with CI/CD, caching, WebSockets, and AI integrations. My work spans backend systems, cloud infrastructure, and full-stack development.

Skills

Languages: Go, TypeScript, JavaScript, SQL, HTML, CSS.

Backend & APIs: Go, Node.js, Express.js, REST APIs, WebSockets, Reverse Proxies, Authentication, Microservices.

Databases & Data: PostgreSQL, MySQL, MongoDB, Drizzle ORM, Prisma.

Cloud & Infrastructure: AWS, DigitalOcean, Vercel, Docker, Linux, Nginx, Multi-Region Infrastructure.

Developer & AI Tooling: Git, GitHub Actions, GitHub Apps, MCP.

Core Concepts: Distributed Systems, Dynamic Routing, Caching, Real-Time Communication, CI/CD, Networking, System Design.

Hackathons

1st in Solana Superteam Hackathon · 4th in Code100x Hackathon.

Education

B.Tech in Computer Science Engineering, Maharaja Ranjit Singh Punjab Technical University · Punjab · 2021–2025.

Contact

GitHub activity

5,183 contributions in the last year