backend developer in Banking-as-a-Service
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Summary
Backend Java developer building Banking-as-a-Service microservices in AWS: designing REST APIs, event-driven systems with Kafka, and Kubernetes/Docker workloads, plus mentoring and architecture work. 12-month contract in Warsaw via TEKsystems, with a fintech background preferred.
Описание
The team builds and scales Banking-as-a-Service (BaaS) capabilities and develops secure, cloud-native backend systems that power customer-facing financial products and services.
Задачи
- Design, develop, test, and maintain backend services and APIs
- Produce clean, maintainable, reusable, and well-documented code
- Build highly available, resilient, and scalable microservices
- Develop event-driven solutions using modern messaging technologies
- Participate in architecture discussions and contribute to technical decisions
- Develop and deploy applications in AWS cloud environments
- Support containerised workloads using Kubernetes and Docker
- Contribute to infrastructure automation and DevOps best practices
- Ensure observability, monitoring, and operational excellence across services
- Work with Product Managers, Engineers, QA Engineers, Designers, and Business Stakeholders
- Participate in Agile ceremonies, including stand-ups, sprint planning, retrospectives, and technical refinement sessions
- Translate business requirements into scalable technical solutions
- Contribute to continuous improvement initiatives across engineering teams
- Act as a subject matter expert within the engineering team
- Mentor junior developers and support knowledge sharing
- Promote engineering standards, code review best practices, and software craftsmanship
- Drive innovation and continuous improvement within the backend engineering chapter
Требования
- Strong commercial experience with Java development
- Deep knowledge of Spring Boot and/or Micronaut
- Experience designing and developing RESTful APIs and microservices
- Strong understanding of software design patterns and distributed systems
- Experience with AWS services and cloud-native architectures
- Hands-on experience with Kubernetes and Docker
- Knowledge of messaging technologies such as Kafka and event-driven systems
- Experience working in Agile delivery environments
- Strong troubleshooting and problem-solving capabilities
- Будет плюсом: financial services, fintech, or regulated industry experience, experience building highly secure applications, CI/CD pipeline development and automation expertise, observability tooling, monitoring and logging platforms, understanding of data-driven product development and analytics
Условия
12-Month contract with a strong likelihood of extension