Go Backend API Engineer - Build Scalable APIs

Cyberspatial; Colorado; On-site; USD 120,000 - 160,000; Full time

Job summary

Cyberspatial in Colorado is seeking a Backend API Engineer to design, build, and maintain high-performance Go-based APIs powering core products. You’ll work on data flows, security, and scalable architectures to deliver reliable services.

You’ll collaborate with frontend, architecture, and product teams to define API contracts, optimize databases, and implement robust security practices, while writing clean, well-tested code.

Qualifications

• Proven backend API development experience in Go.
• Strong understanding of RESTful design and best practices.
• Experience with relational databases (PostgreSQL/MySQL).
• Knowledge of API security (OAuth2, JWT) and rate limiting.
• Solid grasp of data structures, concurrency, and system design.

Responsibilities

• Design, develop, and maintain robust RESTful APIs using Golang.
• Optimize endpoints for performance, reliability, and scalability.
• Collaborate with frontend, architecture, and product teams to define API contracts.
• Manage relational databases (PostgreSQL/MySQL) and optimize queries.
• Contribute to code reviews and engineering best practices.
• Debug production issues spanning API, DB, and network layers.

Skills

Golang

RESTful APIs

SQL (PostgreSQL/MySQL)

API security (OAuth2, JWT)

Concurrency

Distributed systems

Networking basics

Job description

Cyberspatial in Colorado is seeking a Backend API Engineer to design, build, and maintain high-performance Go-based APIs powering core products. You’ll work on data flows, security, and scalable architectures to deliver reliable services.

You’ll collaborate with frontend, architecture, and product teams to define API contracts, optimize databases, and implement robust security practices, while writing clean, well-tested code.