Senior Backend Engineer - Payments Domain
- Level
- Senior
- Work type
- Hybrid · Warsaw
Not stated in the posting: salary, visa.
Open. First seen 2 October 2026.
About the role
ABOUT THE ROLE
You will be a part of the platform domain which is the foundation of LeoVegas. Contributing to build the best solutions possible to create the best iGaming experience. You will be involved in building tooling for the developer pipeline delivering more streamlined and secure flows.
Join our Payments Team, responsible for building payments gateway solutions, as well as robust and fast integrations with global payment providers to handle monetary transfers in and out of our platform.
YOU WILL BE RESPONSIBLE FOR:
- Design and develop the platform architecture that supports our business-critical systems.
- Testing (unit tests) and updating documentation.
- Participating in architectural discussions and suggesting ideas for technical improvements.
- Collaborate with other developers, architects, and stakeholders to ensure that our platform meets the needs of our business.
- Take part in the decision-making process on building our platform (yes, we will be listening to your advice as we trust you are an expert in what you do).
OUR SUCCESSFUL CANDIDATE WILL HAVE THE FOLLOWING:
ESSENTIAL SKILLS
- Min. 7 years of experience in using Java + Spring Boot framework
- Experience with MySQL and Kafka
- Familiarity with microservice architecture
- Being not only a developer but primarily a software engineer - you love taking ownership of delivered solutions from their design to implementation.
- Excellent written and verbal communication skills, capable of articulating technical decisions and offering valuable recommendations to the team
- Fluent English (C1 level is a minimum, as we communicate mostly in English)
NICE TO HAVES
- Experience with Kotlin
- Experience in building applications for payments industry
LeoVegas Mobile Gaming Group's standard text
WHO WE ARE
At the core of LeoVegas Group is Team Leo. Our culture is our foundation and is what enables us to innovate, build, and lead as we trailblaze our way through the igaming industry. We’re a team of over 1400 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 11 offices worldwide.
BENEFITS
- Hybrid work policy (3 days a week from office).
- 4 weeks of Workation (T&C apply).
- Competitive base salary.
- Benefits package - 800 PLN net (B2B)/gross (UOP) monthly.
- Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast.
- Team and office social events throughout the year.
- Equipment: MacBook Pro 16" (or 14")/M3 Pro 12-core CPU/18-core GPU/36GB RAM/512GB SSD + smartphone (iPhone 15 or Samsung Galaxy S24).
LeoVegas Mobile Gaming Group's standard text
JOIN US!
In our pride, we empower our teammates to find their roar and run with their wildest ideas. We don’t wait for things to happen; we pounce and make it happen!
Would you be a good fit for the Leo Pride - give us a roar!
**As our company working language is English, we’d like to see your CV in English, please**
What this role asks for
Standard for backend roles
Java
Common in backend postings at any company.
73% of this description is written for the role. The rest is LeoVegas Mobile Gaming Group's standard text, folded away below.
Read against LeoVegas Mobile Gaming Group's other open postings on this site.
The team: Product & Technology HIRES STEADILY
This role is one of 20 open in Product & Technology. 3 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Java (13 of 20), Kafka (13 of 20), Spring (13 of 20), Kubernetes (12 of 20), Microservices (10 of 20), Kotlin (8 of 20), MySQL (8 of 20)
OTHER ROLES ON THIS TEAM
- Senior Product Designer, Sports posted Oct 14
- Backend Engineer - Core Experience (NL market) posted Oct 7
- Identity and Access Management Analyst posted Sep 29
- Senior Backend Engineer - Retention Domain posted Sep 14
- Senior Backend Engineer - Retention Domain posted Sep 11
- Senior Backend Engineer-Sports posted Aug 28
- Staff Backend Engineer - Sports posted Aug 25
- Backend Engineer - Reporting posted Aug 19
- Backend Engineer - Retention posted Aug 19
- Backend Engineer - Retention posted Aug 19
- Backend Engineer - Sports posted Aug 18
- Senior Backend Engineer - Sports posted Aug 5
- Senior JavaScript Engineer - Gaming posted Aug 4
- Engineering Manager - Payments posted Aug 3
- Senior Backend Engineer - Payments Domain posted Jul 30
- Staff Backend Engineer - Sports posted Jul 17
- Senior Application Security Engineer posted Jul 17
- Senior Application Security Engineer posted Jul 17
- Senior Application Security Engineer posted Jul 17
From the team and dates on LeoVegas Mobile Gaming Group's own job board.
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