Senior Backend Engineer I - Platform
Core
Design, build, and maintain shared backend services and APIs (authentication, notifications, configuration, API gateways) used by multiple product teams to ensure stability, security, and reliability.
Role type
Senior Backend Engineer (Platform)
Builds
Shared backend services, APIs, and foundational infrastructure for Ajaib's fintech products
Domain
Fintech / Retail Finance
Required skills
Java, Go, microservices, REST/gRPC, relational databases, Redis, Kafka, OAuth2, JWT, cloud platforms (GCP/AWS), containers, CI/CD
Preferred skills
Fintech experience, regulated environment experience
Technologies
Java, Go, Kafka, Redis, GCP, AWS
Responsibilities
Design and build shared backend services and APIs; deliver features from design to production with tests and monitoring; maintain API stability and backward compatibility; build secure services protecting user identity and data; write documentation and examples; participate in code reviews; investigate and fix production issues; improve service performance and reliability; collaborate with product, Security, and Infrastructure teams.
Seniority
Senior, hands-on IC
