Trainee Java Developer

About the role

EveryMatrix delivers software and services for casino, sports betting, payments, and affiliate management, serving over 200 clients globally. As a Trainee Java Developer, you will contribute to the development of tools that collect and maintain odds data, ensuring high-quality information for clients.

You will join a diverse team of over 1000 professionals across multiple countries, united by a passion for innovation. Success in this role requires a commitment to quality and a proactive approach to problem-solving, as you help maintain and enhance existing tools while learning from experienced colleagues.

Skills that matter here

• Java: You will use Java for developing tools that collect odds data from various sources.
• Multithreading: Understanding multithreading concepts will be essential for efficient data processing.
• Version Control: Familiarity with Git will help you manage code effectively within the team.
• Regex: Basic regex skills will be utilized for text parsing and validation tasks.
• HTTP: Knowledge of HTTP methods is important for interacting with APIs and data feeds.
• XML/JSON: You will work with XML and JSON formats for data collection from various sources.

Who this role suits

• Recent graduates or individuals with some experience in Java development.
• Eager to learn and adapt in a fast-paced environment.
• Detail-oriented and committed to maintaining high standards of quality.
• Interest in sports or betting is a plus.

From the employer

• Take part in collecting odds data from bookmakers, both from dedicated XML/JSON feeds – using Java – and from websites – site scraping.
• Offer technical support for existing clients.
• Take part in the daily maintenance and monitoring of developed odds collectors and other internal tools.
• Maintain the highest possible quality of data collected from existing sources.

What You need to know:

• Java 21: Virtual Threads, Sequenced Collections, Sealed Classes, HttpClient
• Multithreading: Threads, ExecutorService, ReentrantLock, basic synchronized, CompletableFuture
• Streams & Optionals: Fluent with Stream API, Optional, aware of OM OptionalUtils
• Collections: Clear understanding where and how to use List, Set, Map, Queue, Dequee, Collections.synchronizedMap, ConcurrentHashMap, Immutable collections
• Regex: Basic usage with Pattern and Matcher for text parsing and validation
• HTTP Basics: Knowledge of HTTP methods – GET, POST, PUT, DELETE, and their typical use cases
• Version Control - SVN, Git

Nice to Have:

• Java projects from school, personal work, or internships.
• Exposure to Jsoup or similar parsing libraries.
• Interest in sports or betting.
• Experience building web scrapers.

• Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
• 3 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance.
• Hybrid work schedule is available after the first three months of employment with 80/20 office/home format until the end of 2026. Starting from 2027, the policy will transition to primarily office-based work, with up to 10 work-from-home days per year with manager approval.
• Benefit from two Free Fridays each year, limited to one per quarter.
• 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.
• Corporate English lessons.
• 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.