Senior Java Software Engineer at Mintyn Digital Bank

ABOUT THE ROLE

• We are looking for a highly skilled and motivated Senior Software Engineer to join our growing engineering team. In this role, you will design, build, and maintain scalable, high-performance backend systems that power our core products. You will work closely with cross-functional teams to deliver robust solutions and help define the technical direction of our platform.
• This is a hybrid role requiring regular in-office collaboration alongside flexible remote working. The ideal candidate thrives in a fast-paced environment, takes ownership of complex challenges, and demonstrates strong technical leadership within an agile team.

KEY RESPONSIBILITIES

• Design, develop, and maintain scalable and resilient microservices using Java and Spring Boot.
• Build reactive and non-reactive REST APIs leveraging Spring WebFlux and Spring MVC.
• Manage relational data persistence with PostgreSQL, including schema design and query optimisation.
• Own and evolve database migration strategies using Liquibase to support continuous delivery.
• Implement event-driven architectures and asynchronous communication patterns using Apache Kafka.
• Design and integrate caching strategies using Redis or equivalent caching technologies to improve system performance.
• Write comprehensive unit and integration tests to maintain high code quality and ensure system reliability.
• Design, deploy, and manage microservice architectures with a focus on scalability, fault tolerance, and maintainability.
• Build and maintain CI/CD pipelines to automate testing, builds, and deployments across environments.
• Participate actively in code reviews, providing constructive feedback and upholding engineering best practices.
• Collaborate with product managers, architects, and fellow engineers to translate business requirements into technical solutions.
• Mentor junior and mid-level engineers, fostering a culture of continuous learning and technical excellence.
• Identify, diagnose, and resolve performance bottlenecks and production incidents.

REQUIRED QUALIFICATIONS

• Must have international Passport for Traveling
• Minimum of 5 years of hands-on software development experience with Java and Spring Boot.
• Strong proficiency in both Spring WebFlux (Reactive) and Spring MVC frameworks.
• Proven experience working with PostgreSQL — schema design, indexing, and performance tuning.
• Hands-on experience with Liquibase or a comparable database migration tool (e.g. Flyway).
• Practical experience building and consuming Apache Kafka topics in production environments.
• Experience with Redis or other distributed caching technologies (e.g. Memcached, Hazelcast).
• Strong command of unit testing frameworks such as JUnit 5 and Mockito, with a TDD-oriented mindset.
• Deep understanding of microservice architecture patterns — service discovery, circuit breaking, API gateway, distributed tracing.
• Demonstrated experience setting up and maintaining CI/CD pipelines (e.g. GitHub Actions, Jenkins, GitLab CI).
• Familiarity with containerisation and orchestration tools such as Docker and Kubernetes.
• Solid understanding of RESTful API design principles and best practices.
• Strong problem-solving and analytical skills with the ability to break down complex technical problems.
• Excellent communication and collaboration abilities, with comfort working across engineering and product teams.
• Willingness and ability to work in a hybrid arrangement with regular in-office attendance.

NICE TO HAVE

• Experience in fintech, payments, or other regulated industries.
• Knowledge of cloud platforms such as AWS, GCP, or Azure.
• Experience with observability tooling — Prometheus, Grafana, ELK stack, or OpenTelemetry.
• Exposure to gRPC or GraphQL as alternative API paradigms.
• Contributions to open-source projects or active participation in the Java/Spring community.