About Onwelo
Onwelo is a technology partner delivering comprehensive services — from strategy and architecture, through implementation, to maintenance — in the areas of digital transformation, data, and automation. The team numbers over 400 specialists with strong senior-level competencies, and has completed 300+ projects for large organizations in Poland, Europe, and the USA. Onwelo operates from several Polish cities as well as offices in Germany, Switzerland, and the USA, combining local presence with global reach.
About the project
You will join a project delivered for the financial sector, aimed at developing and maintaining modern systems based on microservice architecture. The team is responsible for building and developing solutions that support integration of multiple business systems, process automation, and ensuring high performance and reliability of services. Work is carried out using the Scrum methodology, in an environment focused on code quality, automation, and CI/CD practices.
Your tasks
•Development and maintenance of applications on the frontend (Angular) and backend (Java 21, Spring Boot) layers
•Creating and developing microservices and integrations between systems
•Designing and developing APIs and participating in building solutions on distributed architecture
•Building, developing, and maintaining CI/CD processes using Git, Jenkins, Docker, and Kubernetes
•Conducting code reviews and ensuring quality
•Creating and updating technical documentation
•Collaborating with product, analytical, and technical teams to deliver solutions that address business needs
•Participating in the full software development lifecycle, from requirements analysis to deployment and production support
•Working in an Agile/Scrum environment and actively participating in project ceremonies
Who we are looking for
•More than 10 years of experience as a Fullstack Developer on projects of similar scale
•Experience working in an Agile/SCRUM environment
•Practical experience with Java 21, Kotlin, and Angular
•Knowledge of Spring Boot and ability to build microservices and design REST APIs
•Experience with OKD, Camel, and Camunda
•Comfortable using Git, Jenkins, and Docker tools
•Experience in test automation
•Experience working with banking, insurance, or financial systems
•Ability to work in a CI/CD-based environment with containerization technologies
•English language skills, spoken and written, at a minimum B2 level
What we offer
•Remote work (except 1 day/month from the client's office in Warsaw)
•Participation in interesting projects for global clients
•As much as 80% of promotions in our company happen internally
•90% of management staff have a technical education
•Access to internal training and development paths
•Participation in team events, company meetings, and Town Halls
•Support in building a professional image (personal branding)
•Access to life insurance and private medical care for employee and family
•MultiSport card supporting health and fitness
