Sanjay Mali
Engineer / Designer
👋 Hey! I'm a Software EngineerSSooffttwwaarree EEnnggiinneeeerr based in Gujarat, IndiaGGuujjaarraatt,, IInnddiiaa.
Specialized in GoGGoo, Node.jsNNooddee..jjss, TypeScriptTTyyppeeSSccrriipptt, and ReactRReeaacctt, building high-performance GraphQL APIs, event-driven microservices with RabbitMQRRaabbbbiittMMQQ, and cloud infrastructure on AWSAAWWSS. Behind the scenes, I lean on PostgreSQLPPoossttggrreeSSQQLL, RedisRReeddiiss, and DockerDDoocckkeerr to keep it all fast and reliable.
Currently building Untouch — think Vercel, but for shipping Android builds — plus an interactive tool for learning how JavaScript really runs under the hood.
Experience
Oct 2025 — Present
Backend DeveloperatBasita Technology
- Architected and built the backend for a matrimonial platform from scratch including authentication, user profiles, matching, and admin workflows.
- Designed and implemented GraphQL APIs for a job portal using Go, gqlgen, Ent ORM, PostgreSQL, and pgxpool.
- Built event-driven backend workflows with RabbitMQ for asynchronous processing and background jobs.
- Reduced cloud infrastructure cost by 70% by configuring AWS CloudFront CDN for S3-hosted assets.
- Developed production-ready backend services covering DB design, API architecture, RBAC auth, and deployment workflows.
- Go
- Node.js
- Express.js
- GraphQL
- PostgreSQL
- MongoDB
- Redis
- RabbitMQ
- AWS
- Docker
Apr 2025 — Sep 2025
Full-Stack DeveloperatFreelance Client Work
- Built and delivered 2 confidential internal web applications for enterprise clients with RBAC and cloud deployments.
- Engineered full-stack features using TypeScript, React.js, and Node.js, improving client workflow efficiency by 35%.
- Extended a live Bhojpuri/Hindi radio Android application using Kotlin and Jetpack Compose for an active user base.
- Collaborated directly with enterprise clients to translate business requirements into software, reducing delivery back-and-forth by 40%.
- React.js
- TypeScript
- Node.js
- Kotlin
- Jetpack Compose
- AWS
- Vercel
Projects
Mobile Release Automation Platform
Untouch
- Designed an end-to-end release engine that automates multi-framework mobile app builds (Flutter, React Native, Kotlin, Expo) directly to the Google Play Store.
- Reduced release pipeline latency by 65–70%, cutting automated build execution time down to ~8 minutes.
- Integrated Google Play Developer Publishing APIs for release tracks and store listings, eliminating 80% of manual deployment overhead.
- Architected zero-trust signing credential workflows for build artifacts, reducing manual credential handling by 90%.
- Flutter
- Kotlin
- React Native
- Expo
- Go
- Node.js
- TypeScript
- PostgreSQL
- Docker
- AWS
High-Throughput Microservice Architecture
Job Portal
- Engineered high-throughput GraphQL APIs using Go, gqlgen, Ent ORM, and pgxpool, increasing query flexibility and backend maintainability by 40%.
- Built an event-driven task queue with RabbitMQ for asynchronous processing and microservice messaging, reducing blocking operations by 60%.
- Optimized database query indexing and connection pool scaling to handle high concurrent client traffic without bottlenecks.
- Go
- GraphQL
- gqlgen
- Ent ORM
- PostgreSQL
- RabbitMQ
- Redis
- Docker