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Job Description

If you’re a customer of the largest digital bank in the EU, then you’ve probably interacted with our platform and didn't even know it! We are Mambu - SaaS FinTech Unicorn on a mission to revolutionise financial services globally. Your reward if you will join us? A (code) mark on a product used by millions of people!

Meet your product area
Foundation Services' mission is to design, architect, develop and deliver highly scalable core engineering solutions. These solutions are the ones that will enable other teams in Mambu to create products for our customers that are based on solid, well-tested, standardized services, and they are anchored into the future.

Team vision: Become the back-end partner of choice to enable product managers at financial institutions to develop custom and bespoke products while leveraging all the benefits of a cloud banking platform. Build composable product Platform as a Service solution, which allows customers and developers to easily create banking products without excessive amount of development.

How you contribute:

  • Design and implementation of foundation services features along with required infrastructure, scaling, performance tuning and optimization.
  • Own end to end delivered services from development to release in production.
  • Work with microservices and the associated patterns( e.g., configuration as code, containers, CQRS, CDC).
  • Build resilient distributed systems at scale, with strong operational and performance KPIs.
  • Build customer-oriented features and technical improvements
  • Write functional and integration tests;
  • Contribute in developing POCs/MVPs.
  • Contribute with technical input;
  • Use and contribute to code quality standards practices;

What’s in your toolbox:

  • 3+ / 5+ years’ experience (medior/senior position) working in Java 
  • Unit testing experience (e.g. Selenium, JBehave, JUnit)
  • Design patterns knowledge
  • Algorithmic thinking
  • Rest API design practices
  • Scaling strategies knowledge (i.e vertical vs horizontal) 
  • Enterprise patterns (i.e Asynchronous Communication, CQRS)
  • Knowledge of Dropwizard, Guice, rabbitMQ, Kafka, mySQL / RDS, Redis and similar technologies (potentially NoSQL ones);
  • Some experience in highly loaded projects;

  • Join us if:
  • You’ve dreamed of fully automated and working development pipelines;
  • You don’t mind to see hoodies in daily meetings;
  • You would love to take a chocolate on every SonarQube successful scan;
  • You would be interested to be aware of both legal holidays in Romania & Lithuania.
  • You would like to know more about Dracula.

You’re more than your job description:

  • Coding isn’t your only language - you can communicate crystal clear in English! 
  • You’re not satisfied with what’s already available and have the ambition to revise and improve things in the name of progress
  • Know-how of writing your own tests (i.e.: integration tests, end-to-end tests and so on)
  • Even if you have an IT role, we are glad if you have any technical financial background, given the fact that you will work for a banking platform.
  • You’ll get an additional thumbs up if you have experience working in Agile (Scrum) teams.
  • Another thumbs up for having different programming language experience (like Python)


  • 2646- 6708 EUR Gross/Month
Your future at Mambu:

We are a diverse group of Mambuvians, and we are growing fast across 30 countries and 6 continents (not enough banks on Antarctica!). Our eyes are on the future, and we believe we can achieve our mission together by working agile, harnessing the latest technology and having a positive impact for future generations by improving the environment we are in.

Mambuvians own their career growth, but we like to celebrate our successes together. We’ve got your back on your health, body and mind. Whether it’s our flexible hours or locations, or our 4-day work week over a 3 month period. You work 4 days a week, but get paid for 5!

As a member of the Vilnius office team, you will have access to:

- Private health insurance 
- In the office: coffee, tea, fresh fruits
- Free underground parking 
- Training & development personal budget 

As part of the recruitment (or HR onboarding) process, you will be required to obtain authorized criminal background and credit screening results, and your employment is conditional upon approval of these results.

More about us:

To stay on top of the latest Fin-Tech trends and our success stories, please follow us on LinkedIn
For more details regarding our global career opportunities, please visit Career Site


Mambuvians come from over 30 countries across six continents. Over the years we have become increasingly diverse in perspectives and ideas. To us, diversity is a company-wide value, and a strategy to boost productivity and to leave a positive, global impact on our industry. From Europe to Asia, and the Americas - Mambuvians are experts at collaborating globally.

We are a no nonsense company that loves a good challenge and is fostering a culture of a great work-life balance. Our perks range from a 4-day-working-week in summer, to extraordinary team getaways.

Building on collaboration and trust, we created a true ownership culture, which is integral to our success. We help and empower each other to make decisions that can have a lasting impact on our business, and influence thousands of customers and millions of their end users world-wide. Are you up for it?

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