Senior Software Engineer, Secure Access & Authorization

Triwill Group; Northern (KY); Hybrid; USD 186,000 - 219,000; Full time

Job summary

Coinbase is seeking a Senior Software Engineer for Access & Authorization. You will shape authentication and authorization systems that power Coinbase products and partner integrations.

You will build secure, low-latency Go/gRPC services across web, mobile, API, and partners, while mentoring engineers and collaborating with product, security, fraud, and infrastructure teams to balance security with user experience.

Qualifications

• 5+ years of backend software engineering in Go or similar.
• Experience designing secure APIs with OAuth / OIDC / JWTs.
• Experience with gRPC, Protocol Buffers, Redis or DynamoDB.
• Track record delivering cross-functional projects and mentoring.

Responsibilities

• Own end-to-end design, implementation, and operation of authentication, OAuth, sessions, tokens, 2FA, account recovery, and edge authorization.
• Build secure, low-latency Go and gRPC services used across Coinbase's web, mobile, API, and partner experiences.
• Lead technical designs for initiatives like signed authorization tokens, passkeys, biometric recovery, and device-aware authentication.
• Partner with product, security, fraud, and infra teams to balance conversion, protection, and regulatory requirements.
• Simplify integration patterns and build self-service tooling for safe scale.
• Mentor engineers and raise the technical bar through reviews, pairing, and on-call participation.

Skills

Go

OAuth 2.0

OpenID Connect

JWTs

PKCE

gRPC

Distributed systems

Code reviews & mentoring

Tools

Protocol Buffers

Redis

DynamoDB

Job description

Coinbase is seeking a Senior Software Engineer for Access & Authorization. You will shape authentication and authorization systems that power Coinbase products and partner integrations.

You will build secure, low-latency Go/gRPC services across web, mobile, API, and partners, while mentoring engineers and collaborating with product, security, fraud, and infrastructure teams to balance security with user experience.