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Tech Lead

2 weeks ago

Tallinn, Harjumaa, Estonia Luminor Group Full time

Join our team as a Tech Lead (Java and Ruby)

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:

  • Lead the architectural transformation and re-platforming of the corporate banking application.
  • Design, build, and maintain secure, high-quality backend services and APIs, ensuring seamless integration with new React-based frontends.
  • Guide the migration of business logic and data from Ruby on Rails to Java microservices, ensuring reliability, maintainability, and performance.
  • Collaborate with cross-functional teams (Product, DevOps, QA, Frontend) to define requirements, refine architecture, and deliver value continuously.
  • Drive best practices in code quality, automated testing, CI/CD, and cloud deployment (AWS).
  • Mentor and support engineers, fostering a culture of technical excellence and continuous improvement.
  • Participate in technical spikes, architecture reviews, and strategic planning for scaling the platform.
  • Ensure compliance with security, regulatory, and quality standards in a regulated banking environment.

Our Tech Stack:

  • Backend: Java 21 , Spring Boot 3 , Ruby on Rails, JRuby
  • Frontend: React
  • Database: MySQL
  • Cloud & DevOps: AWS, Docker, Kubernetes, GitLab CI/CD
  • Other: Redis, Active Directory

What We Expect:

  • Proven experience as a Technical Lead, Software Architect, or Senior Engineer designing and building scalable, distributed systems in Java and Spring Boot.
  • Hands-on experience with Ruby on Rails (legacy systems, migrations, or interoperability).
  • Strong knowledge of microservices architecture, RESTful API design, and cloud-native development (preferably AWS).
  • Experience with database scaling strategies (multi-tenancy, partitioning, replication).
  • Familiarity with React or willingness to collaborate closely with frontend teams.
  • 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 28th of November. 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.