Middle Java Developer
EveryMatrix is looking for a dedicated Middle Java Developer to join the team in London. This role offers the opportunity to shape how data-driven decision-making works at scale across an iGaming CRM platform.
The successful candidate will be responsible for developing, maintaining, and enhancing microservice applications. The role involves working at the intersection of product and commercial impact, building analytical foundations, and ensuring the delivery of high-performance, scalable solutions.
- Develop, maintain, and enhance microservice applications using Java 21+ and Spring Boot.
- Design and implement scalable, resilient, and high-performance solutions.
- Work with relational and OLAP databases, writing efficient SQL queries in PostgreSQL and ClickHouse.
- Develop code to process complex data structures to and from Kafka.
- Ensure best practices in microservice architectures, including API design, scalability and security.
- Collaborate closely with other team members, including DevOps, Front End, Product and QA.
- Participate in code reviews, technical discussions and continuous improvement initiatives.
- 3+ years of commercial experience in Java development (required)
- Strong knowledge of Java 21+ and Spring Boot (required)
- Good experience with developing on Linux and a familiarity with bash scripting (required)
- Experience with SQL databases and writing optimised queries (required)
- Experience with ClickHouse (nice-to-have)
- Experience with Kafka (required)
- Experience with Avro (nice-to-have)
- Experience with a wide range of enterprise Java and Spring components, including Spring Data JPA (required)
- Experience with containerisation technologies such as Docker and Kubernetes (required)
- Experience with stream processing frameworks such as Apache Flink (nice-to-have)
- Familiarity with SSO mechanisms including OpenID (nice-to-have)
- A basic understanding of core microservice components such as service discovery, API gateway and service monitoring (required)
- Previous exposure to the gaming or sports betting industry (nice-to-have)
- Solid understanding of microservice architectures and best practices (required)
- Experience with AI code assistance tools such as Gemini and Claude, and a desire to work with an AI-first mindset (required)
- Strong problem-solving skills and the ability to work in an agile environment (required)
- An ability to pay close attention to detail whilst also seeing the big picture (required)
- Good communication skills and a curious, inquisitive nature (required)
- Start with 25 days of annual leave, with 2 additional days added each year, up to 35 days by your fifth year.
- Hybrid work schedule available after the first three months of employment, with up to 50 days of work from home per year.
- Private medical insurance with the option to add dependants.
- Monthly meal allowance.
- Gym allowance.
- Access to online learning platforms like Udemy for Business and LinkedIn Learning, and a budget for external training.
- Two Free Fridays each year, limited to one per quarter.
- 3 sick leave days per year, no doctor's note required.
- 52 weeks of paid maternity leave, with 21 weeks being fully paid.
- 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.
EveryMatrix delivers iGaming software, solutions, content and services for casino, sports betting, payments, and affiliate management to global Tier 1 operators as well as to newer brands. The platform is highly modular, scalable, and compliant, allowing operators to choose the optimal EveryMatrix solution and combine with third-party and in-house technology and capabilities. EveryMatrix empowers clients to unleash bold ideas and deliver outstanding player experiences in regulated markets. The company has more than 1,300 employees across 15 offices in 15 countries and serves 300+ customers worldwide, including the regulated US market. 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.
