Senior API Engineer | Go (Golang) | API Development | Long-term Contract
We're partnering with a large enterprise technology business that's investing in the redevelopment of a critical customer platform. They're looking for a Senior API Engineer with strong commercial Golang experience to design, build and own secure, scalable APIs from the ground up.
You'll be responsible for:
Designing, building and maintaining production-grade RESTful APIs from scratch using Golang
Developing scalable backend services and microservices that power high-volume applications
Designing productive data models and working with NoSQL databases (MongoDB, Firestore or similar)
Implementing secure authentication, authorisation and API security best practices
Driving API performance, reliability, scalability and maintainability
Contributing to architecture, code quality and engineering best practices across the platform
Collaborating with engineers, QA and product teams in an Agile environment
Essential experience:
5+ years' backend engineering experience building and maintaining production APIs
Strong commercial experience developing RESTful APIs in Golang(this is essential)
Experience designing scalable microservices and distributed systems




Strong knowledge of API security, including OAuth2, OpenID Connect and secure authentication patterns
Commercial experience with MongoDB, Firestore or other NoSQL databases
Experience working with cloud platforms (GCP preferred) and modern CI/CD practices
Strong communication skills with the ability to contribute to technical discussions and architectural decisions
Nice to have:
Experience migrating legacy systems to modern cloud-native architectures
Exposure to event-driven architecture, Terraform or API gateways
Experience working alongside data engineering or automation teams
This is a fantastic opportunity to join a high-performing engineering team working on large-scale backend systems where API design, performance and security are at the heart of the platform.
TheDriveGroup is 100% committed to improving meaningful diversity in the technology industry.
We partner with clients who embrace diversity and seek candidates across all backgrounds, abilities, genders, sexualities, cultures, and faiths.
If you have the right skills and attitude we would love to hear from you!
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📌 Senior Api Developer (New South Wales)
🏢 TheDriveGroup
📍 New South Wales