Senior Java Backend Developer (M/F)
Job description
We are looking for an experienced Senior Java Backend Developer (M/F) for a project with our client in the banking sector. You will contribute to the development of secure, scalable, and reliable corporate banking services in a modern cloud-native environment.
You will work in a cross-functional agile team and participate in the full software development lifecycle, from solution design to implementation, testing, deployment, and operational support.
What You Will Do:
Design, develop, and maintain Java-based backend services, REST APIs, microservices, and integration solutions.
Analyse requirements and contribute to API design and technical decisions.
Build secure, scalable, and maintainable applications following software engineering best practices.
Write automated tests and participate in code reviews.
Support deployment, monitoring, troubleshooting, and ongoing application operations.
Collaborate with developers, architects, Product Owners, and other stakeholders.
Requirements
Strong experience with Java, Spring, and Spring Boot, ideally complemented by knowledge of Java EE/Jakarta EE.
Proven experience developing RESTful APIs and working with microservices and distributed systems.
Knowledge of API-first development and OpenAPI/Swagger specifications.
Experience with relational databases, particularly Oracle Database and/or PostgreSQL.
Experience with Kubernetes and/or OpenShift and familiarity with CI/CD practices.
Understanding of secure software development, clean code, software architecture, and maintainable code design.
Experience with automated testing, monitoring, and observability.
Ability to contribute to technical decisions and collaborate effectively in an agile environment.
Nice to Have:
Experience in banking, financial services, or other regulated industries.
Experience with cloud-native architectures and enterprise application development.
Benefits
Engaging projects across diverse industries, offering continuous professional challenges and growth opportunities
Tailor-made learning & development program, complemented by monthly in-house workshops to boost your skills
Flexible working hours and the possibility of home office
Modern, inspiring office environment with daily perks such as breakfast, fresh fruit, and yoga sessions
MultiSport card to support an active lifestyle and access to a wide range of sports and wellness facilities
Company description
Who we are
Ableneo is a partner for AI and technology-driven transformation. We combine deep software engineering with business consulting to help organisations implement intelligent systems that deliver measurable results and reduce the risk of failed innovation.
What we do
• AI & Data Enabling. We deploy chatbots and LLM solutions, automate documents and workflows, and work with Computer Vision. Our focus is on solving concrete business problems with AI and achieving a high success rate in real use cases.
• Business Optimisation & Efficiency. We streamline processes, reduce delays, automate operational work, and set up more efficient ways of working.
• Product Design & Development. We design and build digital products, customer journeys, and scalable platforms that support long-term growth.
• Software Engineering. We offer flexible delivery models. From specialised roles to full teams, supporting both fast-growing companies and established enterprises.
Why join us
We have years of experience and strong references across startups, scale-ups, and large organisations. We work on assignments where AI makes real impact. For example, in the banking sector we validated an LLM solution with a high success rate in a real proof-of-concept.
At Ableneo you will work on projects that push the boundaries of AI and software engineering. You will solve complex problems, collaborate with decision-makers, and help build systems that have immediate business value.
If you want to shape the next generation of intelligent software, let’s talk.