• Design, implement and maintain microservices and APIs in Java • Architect and implement resilient REST/gRPC APIs • Drive a culture of testing by writing and reviewing tests • Profile and optimize services for latency and throughput • Ensure services are instrumented with logging, metrics and distributed tracing • Propose and implement improvements to architecture and CI/CD pipelines

• Deliver reliable, maintainable Java services that support product features and operational requirements • Collaborate with cross-functional teams to improve system observability, resilience and security while enabling rapid delivery • Design, implement and maintain microservices and APIs in Java (Spring Boot or similar), applying clean architecture and SOLID principles • Develop and maintain REST/gRPC APIs, integrate with third-party payment and crypto providers, and ensure robust error handling and retries • Write unit and integration tests, participate in code reviews, and work with QA to ensure features meet acceptance criteria and non-functional requirements • Profile and optimise services for latency and throughput, implement caching and queuing patterns where appropriate, and contribute to capacity planning • Instrument services with logging, metrics and distributed tracing; create meaningful alerts and runbook entries to reduce MTTR • Follow secure coding practices, participate in threat modelling, and help ensure services comply with regulatory and internal security requirements • Propose and implement pragmatic improvements to architecture, CI/CD pipelines and developer experience

• Developing End-to-end solutions using full-stack technologies. • Building reusable components and front-end libraries for future use. • Translating designs and wireframes into high-quality code. • Guide team members.

• Architect, develop, and maintain high-performance, cloud-native backend services in Go. • Build a unified API layer and containerized microservices on AWS ECS/Fargate. • Implement secure authentication, robust input/output validation, and OpenAPI-based integration. • Optimize data access patterns and scalability using PostgreSQL. • Partner with the Tech Lead and CTO to evolve a modern AWS-based platform, leveraging IaC and automation. • Extend and maintain Terraform-based infrastructure, ensuring reproducibility and consistency. • Lead improvements to the CI/CD pipelines (GitHub Actions) to enable automated testing, deployment, and blue/green rollouts. • Champion observability practices - integrate metrics, logging, and tracing using CloudWatch, Prometheus, and Grafana. • Drive system reliability, performance, and fault tolerance across all services. • Enforce code quality via thorough testing, peer reviews, and Go best practices. • Oversee API versioning and schema evolution to maintain backward compatibility. • Collaborate closely with DevOps, QA, and frontend/mobile engineers to ensure smooth, zero-downtime deployments.