Senior API Developer

Senior API Developer

Contract Type:

Contractor

Location:

Sydney CBD

Industry:

Financial Services

Contact Name:

Ross Soutar

Contact Phone:

Date Published:

01-May-2026

About the Role

A leading global financial services organisation is seeking a skilled API Developer to design, build, and maintain scalable, secure, and high-performance APIs on Google Cloud Platform (GCP). You will play a key role in enabling digital capabilities by integrating internal systems, third-party services, and customer-facing applications.

This role sits within a collaborative engineering team focused on modern cloud-native architecture, automation, and continuous delivery.

Key Responsibilities

  • Design, develop, and deploy RESTful and event-driven APIs using cloud-native patterns on GCP
  • Build and manage APIs using services such as Apigee, Cloud Run, Cloud Functions, and Kubernetes Engine (GKE)
  • Collaborate with product managers, architects, and frontend/backend engineers to deliver scalable solutions
  • Ensure APIs meet security, compliance, and regulatory standards (OAuth2, OpenID Connect, JWT, etc.)
  • Implement API lifecycle management including versioning, documentation, testing, and monitoring
  • Optimize performance, reliability, and cost-efficiency of cloud-based API services
  • Develop CI/CD pipelines for automated testing and deployment using tools like GitHub Actions, Jenkins, or Cloud Build
  • Troubleshoot production issues and provide ongoing support and enhancements

Required Skills & Experience

  • Proven experience in API development (REST/GraphQL) in enterprise environments
  • Hands-on experience with Google Cloud Platform (GCP) services
  • Strong programming skills in Java, Python, or Node.js
  • Experience with API gateways (Apigee preferred)
  • Familiarity with microservices architecture and containerization (Docker, Kubernetes)
  • Understanding of security best practices for APIs and cloud environments
  • Experience with CI/CD pipelines and DevOps practices
  • Strong problem-solving skills and ability to work in agile teams

Preferred Qualifications

  • Experience in financial services or regulated industries
  • Knowledge of event-driven architecture (Pub/Sub, Kafka)
  • Exposure to infrastructure as code (Terraform, Deployment Manager)
  • Familiarity with observability tools (Stackdriver, Prometheus, Grafana)
  • Understanding of data privacy and regulatory frameworks (APRA, PCI-DSS)

...

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