Contract Backend Engineer

Errgo; Cambridge (MA); Hybrid; USD 83,000 - 110,000; Full time

Job summary

Errgo in Cambridge, MA is seeking a Contract Backend Engineer for a 6–12 month engagement with a hybrid work model. The role focuses on scaling platform infrastructure and building core services to support 10x growth.

You will architect and implement backend services using Go, Rust, or Python, design APIs, and integrate cloud services across AWS, GCP, and Azure, while deploying microservices patterns and documenting decisions to guide the team.

Qualifications

• 5+ years of backend engineering experience.
• Experience with at least two of: Go, Rust, Python, Java.
• Deep knowledge of cloud platforms and Terraform.
• Experience building and deploying microservices at scale.
• Ability to work independently and deliver with minimal oversight.

Responsibilities

• Architect and implement backend services for scale using Go, Rust, or Python.
• Design clean, well-documented APIs.
• Build integrations with cloud services across AWS, GCP, and Azure.
• Implement microservices patterns for scalability and fault tolerance.
• Document architectural decisions and create operational runbooks.

Skills

Go

Rust

Python

Java

Tools

Terraform

Job description

Contract Cambridge, MA (Hybrid) $60-80/hr

About the role

The Contract Backend Engineer will help scale platform infrastructure during a critical growth phase. This engagement requires an experienced engineer who can assess existing systems, identify bottlenecks, and implement solutions that support 10x growth over the next year.The role involves building core services, integrating third-party APIs, and establishing patterns that the team can build on long-term. The ideal candidate is comfortable working autonomously, can ramp up quickly on unfamiliar codebases, and communicates effectively with both technical and non-technical stakeholders. This is an opportunity to make a significant architectural impact in a short timeframe.

What you'll do

• Architect and implement backend services using Go, Rust, or Python
• Design clean, well-documented APIs
• Build integrations with cloud services across AWS, GCP, and Azure
• Implement microservices patterns for scalability and fault tolerance
• Document architectural decisions and create operational runbooks

What you bring

• 5+ years of backend engineering experience
• Strong experience with at least two of: Go, Rust, Python, Java
• Deep knowledge of cloud platforms and infrastructure-as-code (Terraform)
• Experience building and deploying microservices at scale
• Ability to work independently and deliver with minimal oversight

What you get

• Duration: 6-12 months
• Location: Cambridge, MA (hybrid)

Job details and compensation are subject to change.