Capsys Informatikai Kft. | FinTech & Energy | Hybrid Work
Capsys is a Hungarian-owned, independent software development and consulting company operating since 1998. We develop business-critical, high-availability systems for partners in the banking, capital markets, and energy sectors.
Our founders come from the financial domain, which is why strong business mindset and high-level technological expertise go hand in hand at Capsys.
We are currently expanding our team with a Medior Full Stack Java Developer who would enjoy working with modern technologies on projects that have real business impact.
Your Responsibilities
- Development of high-availability, custom Java-based applications
- Full stack development tasks (backend-focused, with Angular-based frontend)
- Development of modular systems and proprietary products in fintech and energy projects
- Design and development of microservice-based solutions
- Further development and optimization of existing systems
- Preparation of technical documentation in Hungarian
- Team collaboration and knowledge sharing
What We Expect From You
- At least 3 years of experience as a Java Developer
- Strong knowledge of Spring Boot
- Openness towards frontend development (Angular 2+ knowledge or willingness to learn)
- Experience working in agile development projects
- Good problem-solving skills and ability to work independently
- Precise working style and high-quality documentation
- Ability to read and understand professional documentation in English
- Team-player mindset with a strong motivation for continuous learning
Nice to Have Experience In
- Microservice architectures
- Clean Code, TDD, DDD principles
- Experience in the banking or energy sector
- Some of the technologies we use include:
- Angular 8, Ag-Grid, Micro Frontend
- Minikube / Kubernetes / OpenShift; NGINX; Java 21; Spring Admin, Cloud, Data, Security, Batch, Integration
- WebSocket; Hibernate; REST, SOAP; MATLAB integration; MFA authentication; SSO, LDAP, Kerberos; OAuth2; ELK Stack; Unix/Linux OS
- Apache Kafka; Oracle Service Bus; RabbitMQ
- OpenShift / Kubernetes Developer tools; cloud services (Azure, AWS)
- Oracle 19C; Redis; Hazelcast; Elasticsearch
- Bitbucket; Jenkins; SonarQube; Maven; Nexus
- Jira; Confluence
(Knowledge of all listed technologies is not required — willingness to learn is key.)
What We Offer
- Stable, long-term projects with leading financial and energy sector companies in Hungary
- Modern technologies and real professional challenges
- Supportive professional community and collaborative leadership
- Genuine opportunities for growth and knowledge sharing
- Flexible working hours, no core hours
- Hybrid work model – minimum 2 days per week in the office
- Modern, easily accessible office
- Professional IT environment and high-quality equipment
At Capsys, You Can Expect That
- Your opinion truly matters
- You won’t be “just a cog in the machine”
- You will work on meaningful projects that create real business value
- We plan long-term with you
If you would like to be part of a team where technological excellence, stability, and human-centered collaboration are equally important, we look forward to your application!

