Senior Software Engineer - React / React Native

Sorry, this job was removed at 08:13 a.m. (CST) on Monday, May 19, 2025
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Warsaw, Warszawa, Mazowieckie
In-Office
Information Technology • Sports
The Role
Company Description

We’re the world’s leading sports technology company, at the intersection between sports, media, and betting. More than 1,700 sports federations, media outlets, betting operators, and consumer platforms across 120 countries rely on our know-how and technology to boost their business.

Job Description

ABOUT US: 
 
The Live Data unit is responsible for the development, delivery, and global distribution of real-time sports data across a diverse range of sporting events. Through strong partnerships with rights holders, media organizations, and betting companies worldwide, the unit ensures the seamless provision of accurate, high-quality data across 30+ different sports disciplines, including e-sports. 

Currently, we are developing Live Data App – a comprehensive web and mobile solution that enables scouts to collect and manage real-time sports data during live events.

THE CHALLANGE: 

As a Senior Developer in our LDA (Live Data App) Team, you’ll play a key role in building and evolving
web and mobile solution. We're looking for someone with strong proficiency in React and a working knowledge of React Native.

We are looking for someone who is passionate about software development and bring a solid understanding of modern development practices. We value simplicity, write clean, maintainable code, and follow clean architecture principles. We practice Test-Driven Development (TDD), enjoy pair programming.

In return, you’ll be an integral part of a supportive, collaborative team, with access to mentoring and training to continue growing your skills and experience.

Key Responsibilities: 

  • Build scalable, high-performance services on top of our real-time sports data, collected 24/7 globally for more than 30 different sports.    

  • Be an active part in making the most out of our AWS partnership  

  • Become a domain expert in the exciting world of real-time sports data  

  • A real opportunity to influence design and technology 

  • Stay hands-on with code while contributing to architectural discussions and long-term planning

ABOUT YOU: 

You are a pragmatic and independent developer with a focus on frontend development. You’re passionate about solving hard problems and building systems that matter. You enjoy working in diverse teams and see continuous learning as part of your everyday work.
 
Required: 

  • Strong software engineering background with React 

  • Proven experience with TDD, XP practices, and pair programming

  • Solid understanding of clean architecture and design principles

  • Experience working in Agile, cross-functional teams

  • Experience with cloud-based appreciations and microservices (AWS) 

  • Strong communication and collaboration skills

Desirable experience: 

  • Prior experience with React Native

  • Experience with automation testing on various levels (BDD, Performance testing, Contract testing) 

  • Knowledge of distributed event streaming solutions (Kafka, RabbitMQ or similar) 

  • Understanding how the code can be shipped (Docker, Kubernetes) 

OUR OFFER: 

  • collaborative environment with colleagues from all over the world (Engineering offices in Europe, Asia and US) 

  • Ability to shape your own workday and career via a clearly defined professional and personal development plan 

  • Opportunity to work with senior leadership team and develop yourself within an inspiring and fast-growing company 

  • Vibrant and inclusive community, including Women in Tech and Pride groups which welcome all participants 

  • Flexible working hours 

OUR RECRUITMENT PROCESS:  

  • Initial Screening: A brief conversation with our Talent Acquisition Partner to review your background, experience, and expectations 

  • Technical Task: A take-home coding assignment designed to reflect our daily work, completed at your convenience 

  • Technical Interview (90 minutes): An in-depth discussion on your submitted coding task, including a review of your thought process, live coding exercises, and a system design conceptual discussion 

  • Cultural Fit Interview (30 minutes): A conversation with Senior Management to assess your ability to work in a matrix organization and collaborate with stakeholders 

  • Final Step: Receive feedback and, if successful, an offer!   

Additional Information

At Sportradar, we celebrate our diverse group of hardworking employees. Sportradar is committed to ensuring equal access to its programs, facilities, and employment opportunities. All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. We encourage you to apply even if you only meet most of the requirements (but not 100% of the listed criteria) – we believe skills evolve over time. If you’re willing to learn and grow with us, we invite you to join our team!

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The Company
Las Vegas, NV
2,300 Employees
Year Founded: 2001

What We Do

Sportradar is a leading global provider of sports betting and sports entertainment products and services. Established in 2001, the company is well-positioned at the intersection of the sports, media and betting industries, providing sports federations, news media, consumer platforms and sports betting operators with a range of solutions to help grow their business. Sportradar employs more than 2,300 full time employees across 19 countries around the world. It is our commitment to excellent service, quality and reliability that makes us the trusted partner of more than 1,600 customers in over 120 countries and an official partner of the NBA, NHL, MLB, NASCAR, FIFA and UEFA. We cover more than 750,000 events annually across 83 sports. With deep industry relationships, Sportradar is not just redefining the sports fan experience; it also safeguards the sports themselves through its Integrity Services division and advocacy for an integrity-driven environment for all involved.

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