Middle Java Developer (Rules Engine)

3 Weeks ago • All levels • Backend Development

Job Summary

Job Description

DataMatrix, part of EveryMatrix, seeks a Middle Java Developer to extend and optimize their Rules Engine. Responsibilities include collaborating with cross-functional teams on innovative solutions within a fast-paced Agile environment. The role involves end-to-end development and component support using a 'You Build It, You Run It' principle. The team uses various technologies including Java Core, multithreading, RESTful services, RDBMS, SQL, Spring Boot, and Apache Kafka. The position offers a hybrid remote work arrangement.
Must have:
  • Java Core (Collections, Performance Tuning)
  • Multithreading & Concurrency
  • HTTP & RESTful Services
  • RDBMS & SQL
  • Spring Boot
  • Apache Kafka
  • Unit/Integration Testing
Good to have:
  • Docker & Kubernetes
  • Online Casino/Sports Systems Knowledge
  • Avro/Protobuf knowledge
Perks:
  • 22+ annual leave days
  • 10 sick leave days
  • 30 medical leave days
  • 21 weeks paid maternity leave
  • 4 weeks paternity leave
  • On-site massages
  • Team-building activities
  • Daily catered lunch or allowance
  • Private Medical Subscription
  • Access to online learning platforms
  • Gym allowance

Job Details

About us:

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content and services. We provide casino, sports betting, platform and payments, and affiliate management to 200 customers worldwide.

But that's not all! We're not just about numbers, we're about people. With a team of over 1000 passionate individuals spread across twelve countries in Europe, Asia, and the US, we're all united by our love for innovation and teamwork.

EveryMatrix is a member of the World Lottery Association (WLA) and European Lotteries Association. In September 2023 it became the first iGaming supplier to receive WLA Safer Gambling Certification. EveryMatrix is proud of its commitment to safer gambling and player protection whilst producing market leading gaming solutions.

Join us on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time.

We are looking for a passionate and dedicated Middle Java Developer to join our team in Lviv!

About the job:

DataMatrix is a part of EveryMatrix platform that is responsible for collecting, storing, processing and utilizing hundreds of millions of transactions from the whole platform every single day. We develop Business Intelligent solutions, reports, 3rd party integrations, data streaming and other products for both external and internal use. The team consists of 35 people and is located in Lviv.
We are looking for motivated, proactive developers willing to learn modern technologies, working in a challenging and fast-paced environment. You will be working in small cross-functional Agile teams responsible for the end-to-end development and component support using the You Build It, You Run It’ principle.

What You'll get to do:

  • Extend and optimize the Rules Engine
  • Collaborate with cross-functional teams to deliver innovative solutions

What You need to know:

  • Java Core – Deep understanding of collections, performance tuning, type systems, garbage collection, and exception handling.
  • Multithreading & Concurrency – Expertise in managing asynchronous computations and ensuring thread safety.
  • HTTP & RESTful Services – Strong experience in developing and consuming RESTful services.
  • RDBMS & SQL – Proficiency in writing complex SQL queries and a solid understanding of relational database theory.
  • Spring Boot – Practical experience with the Spring ecosystem, backed by strong theoretical knowledge.
  • Apache Kafka – Proven experience in working with Kafka, including both practical implementation and theoretical understanding.
  • Unit/Integration Testing – Demonstrated ability to write testable code with adequate test coverage.

    Nice to Have
  • Experience with Docker & Kubernetes for containerized deployments.
  • Knowledge of Online Casino/Sports Systems.
  • Understanding of binary serialization formats such as Avro and Protobuf.

Here's what we offer:

  • Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
  • Stay Healthy: 10 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance
  • Support for New Parents:
  • 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old.
  • 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.

Our office perks include on-site massages and frequent team-building activities in various locations.

Benefits & Perks:

  • Daily catered lunch or monthly lunch allowance. 
  • Private Medical Subscription. 
  • Access online learning platforms like Udemy for Business, LinkedIn Learning or O’Reilly, and a budget for external training.
  • Gym allowance

At EveryMatrix, we're committed to creating a supportive and inclusive workplace where you can thrive both personally and professionally. Come join us and experience the difference!


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About The Company

Bucharest, Bucharest, Romania (Hybrid)

Stockholm, Stockholm County, Sweden (Hybrid)

Bucharest, Bucharest, Romania (Hybrid)

Bucharest, Bucharest, Romania (Hybrid)

Bucharest, Bucharest, Romania (Hybrid)

Lviv, Lviv Oblast, Ukraine (Hybrid)

Lviv, Lviv Oblast, Ukraine (Hybrid)

Lviv, Lviv Oblast, Ukraine (Hybrid)

Bucharest, Bucharest, Romania (Hybrid)

Bucharest, Bucharest, Romania (Hybrid)

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