D
diwakar's photo
Diwakar Singh
$45/hr

Active 1 day ago


Member since May 2026

Share this profile:

Golang Developer @ Toptal

Back-end Engineer
Available for hire
Years of experience
8+ years
Available for
Full-time, Part-time, Contract, Freelance
Available from
30 Jun 2026
Download Resume / CV

Diwakar is a senior back-end engineer and Go expert who builds fast, scalable microservices. He has helped global enterprises like Vanguard and HP modernize their back-end systems using Go.

Skills

Languages

Employment History

Senior Go | Golang Developer at Toptal Current 2018 - Now
Top 3% Talent Vetted by Toptal • Designed and built Go microservices, scaling back-end systems. • Engineered low-latency communication using gRPC • Developed real-time application features, including WebSocket-based live chat and geospatial search tools, delivering subsecond location lookups. • Integrated Stripe to handle automated subscription billing and built secure JWT authentication flows to manage user sessions and permissions. • Containerized Go applications using Docker and set up deployments on Kubernetes. • Wrote unit and integration tests using Go's native testing package and testify, pushing overall code coverage above 85% and reducing production bugs. • Refactored old projects and migrated to Go. Built REST APIs and microservices. • Implemented full system observability, plugging in metrics and distributed tracing • Automated CI/CD pipelines for Go • Built event-driven using message brokers.

Education

No education history.