Subid Das

Cloud Native Engineer & Full-Stack Systems Developer

Building resilient infrastructure, cross-platform apps, and production AI systems that scale.

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📌 Executive Summary

Full-stack & DevOps engineer with 3+ years of experience taking software from concept to global production. Specializing in high-throughput infrastructure, modern web/mobile products, and applied AI systems.

• 🏆 Enterprise AI Tender Win: Architected document intelligence and RAG pipelines for Indian Oil Corporation Limited (IOCL), reducing manual audit workloads by 90%.
• 🦀 Systems & Native Engineering: Audited and built Rust & Tauri cross-platform solutions (iOS, Android, Windows) for M.it services & systems GmbH (Germany).
• ☁️ High-Availability Ops: Managed 5+ production cloud/VPS environments delivering 99.999% uptime at Connect In Cloud.
• 🌐 CNCF & OSS Contributor: Upstream code contributor to Prometheus, Fluid, Headlamp, and Kube-Burner.

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🛠️ Arsenal & Technical Expertise

Cloud & DevOps	Kubernetes Docker Docker Swarm Traefik Nginx Dokploy GitHub Actions GitLab CI Linux/VPS MinIO
Languages	Go TypeScript JavaScript Rust Python PHP SQL
Backend & APIs	Node.js ElysiaJS Bun Express.js Laravel tRPC BullMQ RabbitMQ
Frontend & Mobile	Next.js React.js React Native Expo Tauri Vue.js Tailwind CSS Framer Motion
Databases & Caching	PostgreSQL Redis Dragonfly MongoDB Typesense SurrealDB Supabase
AI & Vector DBs	LangChain RAG Architecture Pinecone Qdrant FAISS Gemini AI MLOps

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🚀 Selected Work & Client Impact

Project / Client	Role	Key Stack	Impact & Outcome
Indian Oil (IOCL)	AI/ML SDE (Tender Win)	Python LangChain Pinecone RabbitMQ	Automated validation for 5,000+ contracts/mo with 90% audit reduction and 3x throughput.
M.it Systems GmbH	Systems Software Engineer	Rust Tauri iOS Android WinAPI	Modernized desktop overlay engine; built mock harness handling 20+ concurrent calls with 0 leaks.
RideNoww	Full-Stack Lead	React React Native Laravel PHP	Engineered UK passenger ride-hailing & dispatch service completely from scratch.
Deed Poll Services	Full-Stack Architect	Next.js SurrealDB BullMQ Redis Stripe	Complete UK legal name-change platform with dynamic PDF synthesis, auth & async queue pipelines.
Ellora Outdoors	Full-Stack & Mobile	ElysiaJS Next.js React Native MongoDB	Enterprise dashboard + cross-platform mobile app for billboard and outdoor ad tracking.
Sony's Auto	Full-Stack Engineer	Next.js React Node.js PostgreSQL	Automotive inventory portal managing 5,000+ vehicle records and administrative workflows.

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🌟 Open Source (CNCF & Ecosystem)

Active upstream contributor to cloud native infrastructure and developer tooling:

• Prometheus (#17981) — Added TSDB Admin UI in Mantine for Series and Tombstones API management.
• Fluid (#5641) — CNCF Incubating data acceleration engine for Kubernetes.
• Headlamp (#4499) — Kubernetes SIG extensible web dashboard.
• Kube-Burner (#953) — Kubernetes scale and performance benchmarking tool.

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💼 Open for Freelance & High-Impact Roles

I partner with fast-moving startups, scale-ups, and enterprises worldwide to deliver production-ready software:

• 🌐 Full-Stack Web & Mobile: Turnkey SaaS products, Next.js / React apps, and Expo/React Native mobile applications.
• ⚙️ Cloud Native & DevOps: Kubernetes cluster orchestration, Dockerization, CI/CD automation, and Linux VPS optimization.
• 🧠 Applied AI & RAG Solutions: Enterprise document processing, vector search architectures, and LLM workflow integrations.
• 🔍 Architecture & Code Audits: Refactoring complex codebases, performance tuning, and Rust / Go migrations.

  

_{Based in India · Working with clients globally across Germany, UK, US & India}