Staff Backend Engineer - Sports
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on a Sportsbook platform utilizing Java, Spring Boot, microservices, Kafka and event-driven architecture. Key responsibilities include designing, developing, and maintaining scalable RESTful services, integrating real-time data feeds, and prioritizing technical debt reduction. Responsibilities also cover collaborating with product teams and ensuring system performance, availability, and security across the stack.

you can start ASAP

Staff Backend Engineer - Sports

Company: LeoVegas Group

from: 27 May 2026
to: 26 June 2026
35 500 - 42 500net (+ VAT)/ mth.B2B contract (full-time)
29 000 - 35 000gross/ mth.contract of employment
Salary details

On call duty - additionally paid :)

basic salary
Offer parameters
level:expert
working mode:hybrid
Warszawa, Śródmieście
Warszawa, ŚródmieścieKrólewska 16View on map

Requirements

Expected technologies

Java
Spring Boot
Kafka
Microservices
Mentoring
Vert.x

Operating system

macOS

Our requirements

  • 10+ years of software development experience with Java, Spring Boot and Event-Driven Architectures.
  • Experience designing Microservices, Containerization (Docker) and Kafka messaging systems.
  • Hands-on experience developing highly scalable RESTful end-to-end Microservices.
  • Experience with automation and monitoring.
  • Familiarity with Reactive Programming (e.g. RxJava) and Vert.x
  • Knowledge of relational and NoSQL databases and caching.
  • Excellent written and verbal communication skills, acting as a technical representative of the team with the ability to communicate technical challenges to non-technical stakeholders.
  • Comfortable working in an Agile environment of self-organized teams.

Optional

  • Experience with distributed and real-time systems.
  • Online gaming and gambling experience.

Your responsibilities

  • Design and implement from idea to production.
  • Build, maintain, deploy, test and enhance our products and features.
  • Work with state-of-the-art technology stack and deliver features in our microservice ecosystem.
  • As a Staff developer you will have a key role in owning delivery plans and aligning the product importance of reducing technical debt and prioritising platform initiatives.
  • Identify obstacles to ensure quality and improve our user experience and how we build our products.
  • Work with product managers, architects, QA engineers and other developers in a highly collaborative agile environment.
  • Build for scale, availability, performance and security across the stack.

About the project

Join our team as a Staff Software Engineer and play a crucial role in driving our organisation's growth through the development of outstanding products.
LeoVegas Group is building something special – a world-class team dedicated to creating the best Sportsbook platform in the market through cutting-edge technology and innovative gaming experiences.
This is a dynamic team that will be working on creating new cool features and integrating them into LeoVegas platforms.
We’re seeking a dynamic individual who can deliver state-of-the-art code while prioritising performance and scalability.
We are recruiting for our Tiger Sportsbook Team!
In Sportsbook we work in a high-volume, real-time environment, integrating data feeds with our modern trading system and transactional betting platform (UI/Backend). Your contributions will cover maintaining/expanding our current Betting/Trading services as well as building new services and capabilities for our users.

This is how we organize our work

This is how we work

in houseyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentagile

This is how we work on a project

  • Clean Code
  • code review
  • DDD
  • pair programming
  • architect / technical leader support
  • Continuous Deployment
  • Continuous Integration
  • team-level deployment
  • test automation

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!
Company

Development opportunities we offer

  • conferences abroad
  • conferences in Poland
  • development budget
  • external training
  • space for experimenting
  • support of IT events
  • technical knowledge exchange within the company

What we offer

  • Hybrid work policy (🏢 Our office is located in the centre of Warsaw - on Królewska 16 👑)
  • 4 weeks of Workation (T&C apply)
  • Benefits package - 800 PLN net (B2B)/gross (UOP) monthly with access to the cafeteria platform (private medical care, insurances, sports card)
  • Training budget
  • ICAS assistance program that can provide help and guidance during challenging moments
  • Our office provides complimentary snacks and drinks; on Mondays, we serve complimentary breakfast.
  • Team and office social events throughout the year
  • Free parking for bicycles and motorcycles
  • Free gym in the building
  • Equipment: MacBook Pro + smartphone (iPhone 16/17 or Samsung Galaxy S25)

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • no dress code
  • coffee / tea
  • drinks
  • leisure zone
  • employee referral program
  • training budget
  • free of charge psychological, financial and legal support

LeoVegas Group

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 2000 innovators, initiators, and groundbreakers working in a fast-paced and agile environment across 19 offices worldwide.
As our company working language is English, we’d like to see your CV in English, please.
More about us:
  • Careers site: www.leovegasgroup.com/careers
  • LinkedIn: https://www.linkedin.com/company/leovegasgroup
  • Instagram: www.instagram.com/lifeatleo/
  • This is how we work

    Staff Backend Engineer - Sports
    29k–35k zł / mth. (CoE), 35.5k–42.5k zł / mth. (B2B)
    I apply to:
    LeoVegas Group
    Warszawa, Śródmieście
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