Senior Backend Engineer – API & Integrations

Buildrbrand LLC; United States; Remote; USD 110,000 - 160,000; Full time

Benefits offered by this job

Fully-backed design & infra team

High trust & clear standards

Detail-oriented teammates

Job summary

Buildrbrand LLC is seeking an engineer to own production APIs and integrations, turning complex external behavior into reliable services. You will design API contracts, authentication, and versioning, implement webhook handling with retries, and document operational behavior to help future engineers operate more easily.

Ideal candidates communicate clearly, navigate ambiguity, and reason about idempotency, rate limits, and failure recovery while collaborating with a design/dev/infrastructure

Qualifications

• Experience owning production APIs and integrations with external providers.
• Ability to design clear API contracts and versioning strategies.
• Strong written communication and ability to explain technical compromises.

Responsibilities

• Design clear API contracts, authentication flows, and versioning strategies.
• Build integrations with dependable retries, webhook handling, and reconciliation.
• Document operational behavior and investigate failures across service boundaries.

Skills

Ambiguity

Written communication

API ownership

External integrations

Idempotency

Failure recovery

Tools

Webhook handling

Retries

Reconciliation

Job description

Own the boundaries between our platforms and the systems our clients depend on. We're looking for someone who can turn inconsistent external behavior into reliable services, explain the compromises, and leave integrations easier for the next engineer to operate.

About Buildrbrand

Buildrbrand is a product and engineering company trusted by companies solving complex technical problems. We work across full-stack design, development, and infrastructure - with clients who move fast and demand quality.

What You'll Do

• Design clear API contracts, authentication flows, and versioning strategies.
• Build integrations with dependable retries, webhook handling, and reconciliation.
• Document operational behavior and investigate failures across service boundaries.

What We Look For

• Clear thinkers who can navigate ambiguity
• Strong written communicators who operate with integrity
• Experience owning production APIs and integrations with external providers.
• Strong reasoning about idempotency, consistency, rate limits, and failure recovery.

What You'll Get

• Support from a fully-backed design, dev, and infrastructure team
• No micromanagement - just high trust and clear standards
• Work with teammates who care about the details and take responsibility for the result.
• The opportunity to improve how we build, collaborate, and support our clients.