Java software engineer (senior)

Java

Java software engineer (senior)

Java

Emilii Plater 53, Warszawa

BEC Financial Technologies

Full-time
Permanent
Senior
Hybrid

Tech stack

    Java

    master

    CI/CD

    advanced

    Agile

    advanced

    SQL

    advanced

    Spring

    advanced

Job description

This position is based at our friendly office in Warsaw, Poland and you will join our Business Banking Initiative. 

The position as Senior Java engineer offers a unique opportunity to join a fresh team in charge of building a new and modern liquidity management solution for a strategically important initiative in BEC. The team is co-located in Warsaw, Poland and Roskilde, Denmark..  At BEC, we prefer to collaborate often in the office, but we also have the opportunity to work remotely up to 8 days per month. Your direct manager will be Mathias Møller Hansen. 


Primary tasks and responsibilities include: 

  • Java development: solid background in Java development, covering Java 17 or older/newest releases with hands-on experience utilizing the Spring Framework. 

  • API integration: design, develop, and integrate RESTful and SOAP APIs to support seamless system communication. 

  • Microservices with OpenShift & Kubernetes: develop and maintain distributed systems based on microservices architecture, deployed via OpenShift and orchestrated with Kubernetes. 

  • Messaging architecture: apply asynchronous messaging patterns and event-driven architecture using MQ technologies. 

  • Database management: utilize strong SQL skills for Microsoft SQL Server (MSSQL), focusing on database design, optimization, and performance tuning. 

  • CI/CD: managing and maintaining CI/CD pipelines using Jenkins and Argo CD to support automated software delivery. 

  • Version control: collaborate effectively using Git workflows and best practices. 

  • Source code management: manage repositories and code hosting through Bitbucket. 

  • Testing: plan and execute unit and component tests to ensure high-quality deliverables. 

  • Agile methodologies: work within Agile frameworks using Jira for project tracking and team collaboration 


Additional scope (if preferred) 

  • Since you’ll be joining us at the beginning of an exciting new journey and becoming part of a newly forming team, there is also an additional scope available within the senior role: the opportunity to take on the function of a Team architect, working alongside the Domain architect to contribute to architectural decisions and shape the long-term technical direction of the solution. 


This path is optional if your passion lies in deep technical delivery, you can also thrive as a Senior engineer without taking additional scope. It all depends on your aspirations, experience, and where you see yourself growing! 


To succeed you will have:   

  • Hands-on experience (at least 7 years) in integrating the above-mentioned technologies into everyday work practices. 

  • University degree, ideally in Information Technology, Computer Science, or a closely related discipline. 

  • Proven ability to take ownership of tasks as a senior developer, ensuring timely delivery according to project plans, and providing mentorship to less experienced team members 

  • Strong team collaboration skills, including supporting colleagues, sharing knowledge, taking ownership of shared team goals, and actively participating in team meetings. 

  • Business-oriented mindset, with the ability to understand business requirements and translate them into effective IT solutions. 

  • Fluency in English, both written and spoken, enabling effective collaboration with colleagues in Poland and Denmark 


It’s nice-to-have: 

  • Knowledge of banking platforms (e.g. payments and accounts) 

  • Fundamental infrastructure and network knowledge 

  • Knowledge of microservice architecture 

  • Experience with test automation  

  • Experience with Kafka or other event platforms 


Be your best self with BEC’s Benefits! 


We offer a diverse range of benefits for our employees. Here are just a few of them. 


Type of cooperation: employment contract 

  • Mental health support 

  • Free lunch at the office 

  • Professional development 

  • Referral bonus up to PLN 10,000 

  • PLN 600 on a benefit platform a month 

  • Passion clubs and social events (Tennis, salsa dancing, board games, family picnics and more!) 


What does the recruitment process look like? 

  1. Send us your CV: We want to get to know you 

  2. Screening call: Let’s chat and see if we’re a match 

  3. Meet our talent partner and technical expert: Learn more about the job, BEC Poland, and tell us more about your skills and experience. 

  4. Meet your future manager and team: See who you’ll be working closely with. 

  5. Time to sign the contract: We’re ready to welcome you to BEC! 


If you have any questions related to the position, please contact Patrycja Krzykala or Paulina Piotrowska-Talent Attraction Partners. 


Make us aware of your talent   

We are an equal opportunities employer. We hire top talent regardless of race, religion, color, national origin, sexual orientation, gender identity, and age. We encourage all qualified candidates to apply. See our full list of vacancies at https://www.bec.dk/en/vacancies/ 

You can also learn more about BEC by browsing our company culture book: wearebec.pdf 

Published: 14.09.2025

Meet the company

BEC Financial Technologies

With teams in Denmark and Poland, we create financial IT solutions for 25% of Danish bank customers. We make it possible for them to invest online, take out loans and transfer money. In other words, everything it takes to run a bank.

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Java software engineer (senior)

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Java software engineer (senior)

Emilii Plater 53, Warszawa

BEC Financial Technologies

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