Golang Back End Developer

HORISEN

são paulo, são paulo, Brazil
Full-time
Posted May 28, 2026

Job Description

We’re looking for a Mid-level / Mid+ Go Backend Engineer to build and operate high-throughput microservices.

You’ll focus on performance, reliability, and clean design, using profilers and remote debugging to keep services fast and stable in production.

Location

  • Remote

We kindly ask you to send your CV in English, as it is the official language of the HORISEN group.

Mid-level / Mid+ Go (Golang) Backend Engineer — High Load & Microservices.

Requirements

  • Design, build, and operate Go microservices for high-load, low-latency workloads (REST/gRPC)
  • Profile and optimize code (CPU/memory/trace) using pprof, go tool trace, flame graphs
  • Write robust unit tests (table-driven) and meaningful benchmarks (go test -bench), keep coverage healthy
  • Integrate with data/streaming systems: Kafka, Redis, MongoDB, ClickHouse
  • Ship via GitLab CI/CD (pipelines, runners, Docker imag...