Back-End Engineer - Java (Payments)

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SeniorHybryda·WarszawaInne·B2B

#464728·Dodano 3 dni temu·0

Źródło: justjoin.it

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Tech Stack / Keywords

Java Spring Boot PostgreSQL REST API SQL AWS Agile ScrumLambdaDocker

Podsumowanie oferty

Develop scalable back-end services for business-critical payment solutions in the financial services and payments industry. Work with Java 25, Spring Boot 4, PostgreSQL, and AWS.

Wymagania

Around 5–10 years of hands-on expertise in Java and Spring Boot, including knowledge of Java 25 and Spring Boot 4.
Strong understanding of object-oriented programming, microservices architecture, RESTful APIs, and modern back-end development principles.
Practical experience with PostgreSQL, including database design, SQL query optimisation, and efficient data management.
Hands-on experience with AWS cloud services and developing or integrating cloud-based applications.
Ability to deliver technical solutions independently while collaborating effectively with cross-functional teams in Agile or Scrum project environments.

Nice to have:

Experience delivering technology solutions within financial services, payments, or transaction-processing environments.
Familiarity with AWS services such as ECS, EKS, Lambda, RDS, S3, or CloudWatch.
Experience with containerisation technologies such as Docker and Kubernetes, alongside CI/CD pipelines and automated deployment processes.
Knowledge of automated testing frameworks such as JUnit, Mockito, and integration testing tools.
Understanding of event-driven architecture, messaging technologies such as Kafka, and application monitoring and observability practices.

Obowiązki

Design, develop, and deliver scalable, secure, high-quality back-end services using Java 25 and Spring Boot 4.
Coordinate technical activities with the Agile team, including developers, product owners, QA engineers, and other stakeholders, to deliver agreed project outcomes.
Develop and maintain RESTful APIs, microservices, and integrations with PostgreSQL databases and AWS cloud services.
Deliver clean, maintainable, testable code; contribute to technical reviews and apply established engineering standards.
Analyse and resolve technical challenges, optimise application and database performance, and contribute to system reliability, security, and scalability improvements.

Inne informacje

Candidates must be based in Poland.
The recruitment process consists of an HR interview with the recruiter, a technical interview, a client interview, and feedback and an offer.

Capco Poland

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