Open to opportunities

sagar acharya

@sagaracharya2

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I build high-throughput Go microservices, secure APIs, and cloud-to-edge IoT platforms.

India

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What I'm looking for

I’m looking for a Senior Backend Engineer, Senior Software Engineer, or Backend Tech Lead role, ideally remote, hybrid, or Bengaluru-based, where I can build Go microservices, secure APIs, cloud-native systems, and high-impact platform migrations.

At Utthunga Technologies, I build Golang backends for Belden’s Edge Controller Automation Platform and Honeywell Forge Remote Connect, automating industrial device provisioning and secure enterprise access.

I led a Java-to-Golang migration for critical backend services that improved throughput by approximately 40%, integrated OpenFGA authorization over gRPC, and owned PostgreSQL and SQLite integrations using GORM and sqlc. I also build MQTT pub-sub systems, REST APIs, Dockerized deployments, JWT session management, and audit-ready access controls.

Previously, I delivered Go platforms for online exams, video learning, and healthcare, including a Gin backend supporting 500+ concurrent sessions with zero data loss and WebSocket streaming that reduced perceived latency by approximately 50%.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

Utthunga Technologies Pvt Ltd

Feb 2025 - Present (1 year 6 months)

Designed and implemented a Golang-based cloud-native backend for edge controller provisioning, architected MQTT pub-sub messaging, and built automated device registration pipelines. Also developed time-bound session management REST APIs and led a Java-to-Golang migration improving throughput by ~40%.

MQTT REST APIs Docker JWT gRPC OpenFGA PostgreSQL SQLite Gorm Sqlc Microservices System Architecture

Software Engineer

Test Yantra Software Solutions India Pvt Ltd

Nov 2022 - Jan 2025 (2 years 2 months)

Developed Golang Gin-based backend for an online exam platform handling 500+ concurrent users, implemented WebSocket real-time streaming, and designed REST APIs for a video learning platform with optimized NGINX hosting.

Gin WebSockets PostgreSQL RBAC REST APIs Nginx Indexing Performance Optimization

Software Engineer

Ytek Innovative

Aug 2020 - Oct 2022 (2 years 2 months)

Built Golang REST APIs for a health platform supporting medication management, lab tests, and doctor consultations, and implemented authentication and authorization to secure patient data.

REST APIs Authentication Authorization PostgreSQL