Senior Go Engineer - High-Throughput API (Remote)

Xident B.V.; Union, Northern (NJ, KY); Hybrid; USD 150,000 - 190,000; Full time

Job summary

Xident is seeking a Senior Go Developer to architect and build the core API powering identity verifications. The backend uses Go with Echo, GORM, and PostgreSQL, delivering high-throughput verification endpoints and real-time webhooks at scale.

Join a remote-first company with teams across 12 countries, building privacy-focused identity verification at scale. You’ll lead design decisions, contribute to SDKs, and help evolve our platform.

Qualifications

• 7+ years of professional Go development experience.
• Strong API design skills across SDK, API, and services.
• Experience with PostgreSQL, Redis, and background job systems.

Responsibilities

• Design and implement high-performance Go services handling 10,000+ requests per second using Echo framework.
• Build and maintain verification APIs, session management, and SDK backends with GORM and PostgreSQL (Neon).
• Integrate with ML pipelines via River queue for OCR processing and face matching workflows.
• Implement caching strategies with Redis, rate limiting, and API key authentication.
• Lead technical design discussions and drive architecture decisions for our Go monolith.
• Contribute to our multi-language SDK ecosystem (Go, Node.js, PHP, Python) and Swagger/Scalar API documentation.

Skills

Go language

Concurrency

Distributed systems

API design

High throughput

Code reviews

Tools

Echo

GORM

PostgreSQL

Redis

River queue

Docker

CI/CD

Prometheus

Sentry

Job description

Xident is seeking a Senior Go Developer to architect and build the core API powering identity verifications. The backend uses Go with Echo, GORM, and PostgreSQL, delivering high-throughput verification endpoints and real-time webhooks at scale.

Join a remote-first company with teams across 12 countries, building privacy-focused identity verification at scale. You’ll lead design decisions, contribute to SDKs, and help evolve our platform.