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johnvesslyalti/README.md

Hey, I'm Johnvessly 👋

Backend engineer obsessed with building systems that don't break under pressure.

I design and ship production-grade backend infrastructure — auth systems, async pipelines, multi-tenant SaaS, and analytics APIs. Everything I build is public. Every decision I make, I write about.

🟢 Open to backend roles in Bengaluru — internships, junior, or contract.

🔧 What I Work With

TypeScript Node.js NestJS PostgreSQL Redis MongoDB Docker BullMQ Prisma GitHub Actions

🚀 Projects

DevNest — Social Platform Backend

JWT auth with UUID-tracked refresh token rotation, cascade revocation, and SHA-256 IP hashing. Pull-based feed architecture on PostgreSQL. Redis-backed BullMQ async workers. Full CI/CD with E2E test suites.

SubTrackr — Multi-Tenant Subscription SaaS · Live

Strict tenant-aware data isolation, OAuth 2.0 auth, hardened session handling. Built for correctness and concurrency safety under shared infrastructure.

LiftLog — Fitness Analytics Platform · Live

Normalized PostgreSQL schema with optimized indexing. Aggregation-heavy SQL queries with sub-120ms response latency on training volume and progression metrics.

✍️ I Write About Backend Engineering

I publish technical deep-dives on system design, architecture decisions, and the future of software engineering.

→ johnvesslyalti.xyz/blogs

Recent posts:

📊 GitHub Stats

Johnvessly's GitHub Stats Top Languages

GitHub Streak

📬 Let's Talk

If you're building something with Node.js/PostgreSQL and need a backend engineer who ships — I'd love to hear from you.

Email LinkedIn Portfolio

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  1. dev-nest dev-nest Public

    DevNest is a backend-driven platform that simulates features commonly found in real-world applications, with a strong focus on scalability and clean architecture.

    TypeScript

  2. sub-trackr sub-trackr Public

    Sub Trackr is a subscription management platform that helps users track, organize, and control their recurring payments in one place.

    TypeScript

  3. lift-log lift-log Public

    LiftLog is a workout and strength-training tracking application designed to help users log exercises, track progress, and build consistency over time.

    TypeScript

  4. portfolio portfolio Public

    This is my personal developer portfolio showcasing projects, skills, and experience, built with a strong emphasis on performance, clarity, and modern web standards.

    TypeScript