Headline

Backend Engineer | Serverless & Distributed Systems | Node.js, TypeScript, AWS, Temporal | Scaled Services to 15M+ Ops | Open to Opportunities

About

Backend Software Engineer with 3+ years of experience architecting distributed systems, serverless microservices, and event-driven platforms. My work centers on building resilient cloud infrastructure, eliminating operational overhead, and orchestrating workflow state machines using Node.js, TypeScript, AWS, and Temporal. Technical Impact & Scale: - Scaled Short Link Service: Built an in-house URL shortening service handling 15M+ redirects using Node.js and Redis cache-aside, eliminating 100% of external provider costs. - Fault-Tolerant Alerts: Built a 24-hour SMS booking notification engine handling 20,000+ daily alerts, directly reducing session no-shows by 25%. - Payment Resilience: Built a multi-provider checkout abstraction across Verifone, Stripe, and LemonSqueezy for 10K+ daily transactions, lowering payment failure rates by 18%. - Storage & Workflow Optimization: Orchestrated Temporal workflows for automated state reconciliation and S3 multipart upload cleanup, saving $12,000/year in AWS costs. - Real-Time Comms: Maintained and enhanced LiveKit and Twilio proctoring services handling 1,800+ concurrent live sessions. Core Tech Stack: - Languages: Node.js, TypeScript, Go, Python - Architecture & Cloud: Distributed Systems, Serverless Microservices, AWS (CDK, Lambda, S3, SQS), GCP - Orchestration & Databases: Temporal, Apache Kafka, Redis, PostgreSQL, MongoDB - Integrations: LiveKit, Twilio, Stripe, Verifone, OpenAI APIs, Docker, Nx Monorepo Targeting Backend Engineer and Distributed Systems Engineer roles in Bengaluru, India Remote, or European locations. Reach me at work@sandeephm.dev.

Location

Bengaluru

AI stack

antigravity

claude code

claude

codex

gemini

ollama

Work experience

Software Engineer at Talview, Apr 2025 - Jan 2026 · 10 mos, Bengaluru

Associate Software Engineer at Talview, May 2023 - Apr 2025 · 2 yrs, Bengaluru, Karnataka, India

Software Intern at Talview, Jan 2023 - Apr 2023 · 4 mos, Bengaluru, Karnataka, India

Wordpress Developer at NoBroker.com, Dec 2022 - Jan 2023 · 2 mos, Bengaluru, Karnataka, India

Education

BCA, Computer Science, Jain (Deemed-to-be University)

PUC, Computer Science, National College, Jayanagar, Bangalore-82(Autonomous)

Public links

github: https://github.com/sandy5738

sandeephm.dev: https://sandeephm.dev/