Lead Microservices Architect Needed for API Gateway Setup Initiative

Keystone Digital

Contract · Remote · Flexible hours

About the role

Keystone Digital is building a unified transaction layer called "PulseBridge" to tie together its billing engine, CRM, and internal service APIs. As a Microservices Architect you will design the core integration patterns, enforce service contracts, and ensure seamless data flow across these critical systems.

Key responsibilities

• Define a domain‑driven microservice topology for PulseBridge using Java Spring Boot and OpenAPI specifications.
• Architect and implement event‑driven communication via Kafka for real‑time billing updates.
• Containerize each service with Docker, orchestrate deployments on Kubernetes, and set up Helm charts for CI/CD pipelines.
• Create automated contract testing suites with Pact to validate CRM and internal API interactions.
• Establish monitoring, tracing (Jaeger) and alerting (Prometheus/Grafana) for performance baselines.
• Deliver a phased rollout plan, including a pilot integration with the billing subsystem within 8 weeks.

Must-have skills

• Deep expertise in designing and scaling microservice architectures.
• Proficiency with Docker, Kubernetes, and Helm.
• Strong Java (Spring Boot) development background.
• Extensive experience building RESTful APIs and event‑driven systems.
• Solid understanding of CI/CD, automated testing, and observability tools.

Nice to have

• Experience with GraphQL gateways for API aggregation.
• Familiarity with cloud platforms such as AWS or GCP.