Lead Software Engineer

6 days ago


Tallinn, Harjumaa, Estonia Luminor Group Full time €4,480 - €6,720

Join our team as a Lead Software Engineer (Cards Acquiring Team)

Yes, you can That's our attitude towards our work, ambitions, ideas and relationships. We, at Luminor, believe that anyone has the potential to achieve big things and encourage everyone to achieve them – professionally and personally.

Whoever you are, and whatever your role is, with Luminor you will get a once-in-a-lifetime opportunity to build a local banking champion.

What You Will Do:

  • Take technical ownership and lead the integration of Cards Acquiring and Cash Collection services into bank core and payment services, establishing the technical foundation for a new team in this area.
  • Architect, design, and implement robust middleware services and integration layers using Java and Spring Boot, ensuring secure, scalable, and reliable connectivity between payment systems.
  • Drive the adoption of modern event-driven architectures leveraging Kafka for real-time data processing and integration.
  • Collaborate closely with Solution Architects, Product Owners, and other engineering teams to define integration requirements, technical roadmaps, and delivery milestones.
  • Lead the migration and deployment of services in AWS, using infrastructure-as-code (Terraform, Helm) and Kubernetes best practices.
  • Establish and enforce best practices in code quality, automated testing, CI/CD, and operational monitoring.
  • Mentor and support engineers as the Cards Acquiring technical team grows, fostering a culture of technical excellence and continuous improvement.
  • Ensure compliance with security, regulatory, and quality standards in a regulated banking environment.

Our Tech Stack:

  • Backend: Java 21+, Spring Boot 3+
  • Frontend: React, Microfrontends
  • Integration & Messaging: Apache Kafka
  • Cloud & DevOps: AWS, Kubernetes, Docker, Terraform, Helm, GitLab CI/CD
  • Database: PostgreSQL, Oracle


What We Expect:

  • Proven experience as a Lead Software Engineer, Technical Lead, or Architect designing and building scalable, distributed systems in Java and Spring Boot.
  • Strong background in systems integration, middleware, and event-driven architectures (Kafka).
  • Experience with cloud-native development and deployment on AWS, including Kubernetes orchestration and infrastructure-as-code.
  • Familiarity with payment cards, acquiring, or banking integrations is highly desirable.
  • Proficiency with DevOps practices, CI/CD pipelines, and containerization.
  • Excellent collaboration and communication skills; ability to lead by example and mentor others.
  • Fluent English is required in spoken and written communication.


What We Offer:

  • Flexibility. Flexible working hours, Hybrid work, and the possibility to work from anywhere in the EU, Iceland, Switzerland, and the UK (in total 90 days per year).
  • International teams. Teams that go outside Pan-Baltic borders, where people value challenging work together with good humor and having fun.
  • More vacation. Additional weeks of vacation are available to all employees who have been in the company for 1 year or more.
  • Volunteer time off. We care about giving back to society, therefore, you will get additional days off for volunteering purposes.
  • Paid leave. We are proud of our employees who are participating in military training. Therefore, Luminor offers 30 fully paid calendar days for military training every year.
  • Health benefits. A competitive benefits package in addition to your salary that includes health insurance after the first 3 months pass in all three Baltic states, as well as Health days in case of your absence due to sickness without a doctor's note needed.
  • Wellbeing. Access to tools and resources that help you feel good and be productive at work and in life.
  • Professional growth. Internal and external training programs, workshops, conferences, online training, etc.
  • Special Offer for Luminor products & services. Enjoy special offers & pricing for products and services provided by Luminor.
  • Gross salary. 4,480 - 6,720 EUR/month, which is to be determined depending on your level of experience and competencies.

The application deadline is the 8th of December. We are looking for a candidate primarily already located within the Baltics please apply with your CV in English and PDF format.
If you're interested to apply please don't wait until the last day: we can still proceed with suitable candidates before the application deadline.



  • Tallinn, Harjumaa, Estonia Luminor Group Full time €44,800 - €67,200 per year

    Join our team as a Lead Software Engineer (Cards Acquiring Team) Yes, you can That's our attitude towards our work, ambitions, ideas and relationships. We, at Luminor, believe that anyone has the potential to achieve big things and encourage everyone to achieve them – professionally and personally. Whoever you are, and whatever your role is, with Luminor...


  • Tallinn, Harjumaa, Estonia Bonapolia Full time €90,000 - €120,000 per year

    Project/Client: BankingLocation: Baltic States or PolandStart Date: ASAPDuration: Until Seniority: SeniorLanguage: EnglishRole Overview:We are looking for Senior Lead Software Engineer to drive development and integrations within major banking initiatives in the payments, liquidity management, and cards acquiring domains. You will lead technical delivery,...


  • Tallinn, Harjumaa, Estonia Zer0Paper Full time €1,200,000 - €1,800,000 per year

    Do you enjoy programming but dislike a lot of what comes with it? Maybe you're working somewhere buried in chaos and disorder or bad planning and poor product architecture decisions. Or maybe you just dislike meetings and politics or having to work overtime. What if your job allowed you to focus on what you love? What if your job came with accommodation &...


  • Tallinn, Harjumaa, Estonia Luminor Group Full time €45,960 - €73,320 per year

    Join our team as a Lead Front-End Software Engineer Yes, you can That's our attitude towards our work, ambitions, ideas, and relationships. We at Luminor believe that anyone has the potential to achieve big things and encourage everyone to achieve them, professionally and personally. Whoever you are and whatever your role is, with Luminor, you will get a...

  • DevOps Engineer

    2 weeks ago


    Tallinn, Harjumaa, Estonia Parim Workforce Software Full time €60,000 - €120,000 per year

    Parim, the best workforce software for temporary staff, is searching for a senior DevOps Engineer to join our innovative and collaborative Engineering team. You'll directly contribute to building, maintaining, and enhancing our high-performance, scalable SaaS platform, empowering businesses to optimise their workforce management processes globally.OverviewAs...


  • Tallinn, Harjumaa, Estonia Luminor Group Full time €3,830 - €6,110 per year

    *Join our team as a Lead Front-End Software Engineer*Yes, you can That's our attitude towards our work, ambitions, ideas, and relationships. We at Luminor believe that anyone has the potential to achieve big things and encourage everyone to achieve them, professionally and personally.Whoever you are and whatever your role is, with Luminor, you will get a...

  • Software Engineers

    1 week ago


    Tallinn, Harjumaa, Estonia Omniva Full time €40,000 - €60,000 per year

    Software EngineerJoin our team at Omniva We are seeking Software Engineers to drive logistics excellence, we look out for both kinds of profiles, pure Back End and Full Stack.Key Responsibilities:Play a vital role in crafting innovative logistics solutions that directly impact individuals in their daily livesExperience full autonomy and lead new features...


  • Tallinn, Harjumaa, Estonia Luminor Group Full time €3,830 - €6,110

    Join our team as a Lead Front-End Software EngineerYes, you can That's our attitude towards our work, ambitions, ideas, and relationships. We at Luminor believe that anyone has the potential to achieve big things and encourage everyone to achieve them, professionally and personally. Whoever you are and whatever your role is, with Luminor, you will get a...

  • Engineering Lead

    1 week ago


    Tallinn, Harjumaa, Estonia Wise Full time €76,800 - €94,980 per year

    Company DescriptionWise is a global technology company, building the best way to move and manage the world's money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

  • Engineering Lead II

    6 days ago


    Tallinn, Harjumaa, Estonia Wise Full time €100,000 - €120,000 per year

    Company DescriptionWise is a global technology company, building the best way to move and manage the world's money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...