Senior Backend Engineer with Java

Project overview This project focuses on developing a borderless financial platform that supports international banking flows, payments, account management and regulatory compliant operations. The product handles sensitive data and high volume transactions while prioritising reliability and security. Team You will work in a distributed environment with backend engineers, a product manager and platform specialists. The role involves leading a sub team of three to five engineers, conducting design reviews, ensuring code quality standards and supporting collaborative decision making. Position overview We are looking for a Senior Backend Engineer who will define the technical direction of a backend domain and drive architectural decisions. You will design microservices, create scalable solutions, guide a small engineering group and collaborate closely with product specialists to shape the delivery roadmap. We are looking for a person willing to work in the time zone: GMT+5:30. Technology stack Java 21, Go, Spring Boot, JDBI, custom workflow engines, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS EKS ALB RDS S3 Secrets Manager, Kong API Gateway, Datadog, Quickwit, JWT RBAC TLS request and response encryption VAPT, GitHub Actions, Docker, ArgoCD, microservices, event driven architecture, saga and orchestration patterns, CDC pipelines, maker checker workflows Responsibilities • Plan and design backend microservices with clear boundaries and contracts • Develop solutions for domains such as onboarding, payments, transaction orchestration or platform components • Break complex epics into actionable tasks with clear acceptance criteria • Review designs from other engineers to ensure scalability and fault tolerance • Drive technical decisions including caching layers, asynchronous processing strategies, database choices and API versioning • Evaluate build versus buy options for integrations and services • Collaborate with a product manager to align on scope and prioritisation • Lead a sub team of backend engineers and support their professional growth • Support incident response, root cause analysis and long term improvements • Monitor service performance using logging, metrics and tracing tools Requirements • Professional backend engineering experience from 4-7 years • Experience with Go (tooling & CLIs) • Experience designing microservices with well-defined contracts and boundaries • Experience with Java 21 or modern Java versions • Experience with caching strategy design, including TTL and invalidation approaches • Experience working with asynchronous processing, event-driven architecture, or queue-based workflows • Experience using structured logging, metrics, and alerting to debug production systems • Experience in making build versus buy decisions with clear trade-off analysis • Experience reviewing code and identifying architectural or contract issues • Experience with AWS-based services • Experience working with relational and non-relational databases such as PostgreSQL or DynamoDB • Experience writing backend services using Spring Boot or similar frameworks Nice to have • Experience with financial or payments related systems • Experience with KYC or AML flows • Experience with workflow or orchestration engines • Experience with platform wide pattern creation or reusable service design • Experience with data encryption practices and security audits • Experience with CockroachDB or high availability distributed databases What We Offer: • Vacation days: Up to 26 business days per year. • 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types • Health and life insurance (Luxmed) • MyBenefit platform with Multisport option • Internal psychological support service • English language classes from the first working day • Access to external learning platforms: O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training • Flexible workplace: work from the office, from home, or choose a hybrid option • Tech Skills Mentoring Program • Opportunities to develop as a public speaker, mentor, or technical interviewer • Fully paid idle (bench) when not involved in a project • Certification reimbursement (AWS, GCP, Microsoft, etc.)