java developer in Sportsbook

Enfint; Warszawa; Hybrid; PLN 300,000 - 540,000; Full time

Benefits offered by this job

Hybrid work policy

Workation 4 weeks

Private medical care

Training budget

ICAS assistance programme

Snacks & beverages in the office

Gym in building

MacBook Pro & iPhone/Samsung

Job summary

LeoVegas Group ищет опытного backend-инженера для руководства архитектурой и проектированием масштабируемых распределённых систем. Вы будете развивать, поддерживать и оптимизировать критические сервисы в реальном времени, обеспечивать высокую отказоустойчивость и качество кода.

Требуется глубокий опыт Java, Spring Boot/Vert.x, Kafka, Redis и облачных технологий. Ожидается владение английским языком и способность влиять на технические решения в кросс-функциональной команде.

Qualifications

• Доказанный опыт проектирования, разработки и эксплуатации распределённых систем в масштабе.
• Опыт владения сложными backend-системами в продакшене.
• Сильные навыки backend на Java, желательно 21+.
• Практика реактивного программирования и non-blocking с Spring Boot/Vert.x.
• Опыт с Apache Kafka и архитектура событий.
• Опыт с Redis и SQL/NoSQL (PostgreSQL, MariaDB, MongoDB).
• Опыт observability: Datadog, Grafana, Kibana.
• Уровень английского для рабочих коммуникаций.

Responsibilities

• Участвовать в архитектурных обсуждениях для масштабируемых распределённых систем.
• Вести дизайн и код-ревью, наставлять инженеров.
• Продвигать архитектуру событий и реактивные подходы.
• Оптимизировать латентность, пропускную способность и устойчивость.
• Улучшать мониторинг, экспертизу и готовность к эксплуатации системы.

Skills

Java

21+ years

Reactive programming

Spring Boot

Vert.x

Apache Kafka

Redis

SQL/NoSQL databases

Observability

English in work

Kubernetes

AWS/GCP

Tools

Kafka

Redis

PostgreSQL

MariaDB

MongoDB

Datadog Grafana Kibana

Job description

Описание

LeoVegas Group is building a world-class Sportsbook platform. Its Sports domain operates in a high-volume, real-time environment, transforming sports, trading and pricing data into experiences used by millions of customers.

Задачи

• Lead architecture and design discussions for scalable, resilient and maintainable distributed systems through spikes, experiments and proofs of concept; Drive simplification of complex systems while maintaining high standards for performance, reliability and code quality; Identify scalability, resiliency and operational risks before production and lead root cause analysis during incidents; Improve observability, monitoring and operational readiness; Drive down technical debt across the platform; Promote best practices in event-driven and reactive architectures, performance optimisation, testing, automation and CI/CD; Mentor engineers through design reviews, code reviews, pair programming and technical guidance; Partner with Product, Engineering Managers and Architects to translate business problems into practical solutions; Help shape and break down technical initiatives; Contribute to a culture of ownership, collaboration, continuous improvement and engineering excellence.

Требования

• Proven experience designing, building and operating distributed systems at scale; Experience owning complex backend systems end-to-end in production; Strong backend expertise in Java, preferably 21+; Solid understanding of JVM internals, concurrency and multithreading; Hands-on experience with Reactive Programming and non-blocking systems using Spring Boot and/or Vert.x; Hands-on experience with Apache Kafka and event-driven architectures; Experience with Redis for caching and low-latency data access; Experience with SQL and NoSQL databases, including PostgreSQL, MariaDB and MongoDB; Experience with observability and monitoring platforms such as Datadog, Grafana or Kibana; Experience debugging complex production incidents; Strong system design and architectural decision-making skills; Ability to balance latency, throughput, consistency, operational complexity and maintainability; Ability to influence technical decisions and communicate effectively with engineers, architects, product managers and other stakeholders; English for work communication; Nice to have: Kubernetes, AWS and/or GCP, cloud-native architecture patterns, OpenSearch and/or Elasticsearch, internal platforms, shared frameworks, developer productivity tooling, a strong SRE mindset, experience in sports betting, gaming or other real-time, data-intensive domains.

Условия

• Competitive salary aligned with experience, expertise and impact
• Hybrid work policy and 4 weeks of Workation
• Benefits package of 800 PLN net (B2B)/gross (UOP) monthly through the cafeteria platform
• Private medical care, insurances and sports card
• Training budget and ICAS assistance programme
• Complimentary snacks and drinks in the office
• Complimentary breakfast on Mondays
• Team and office social events throughout the year
• Free parking for bicycles and motorcycles
• Free gym in the building
• MacBook Pro and smartphone, iPhone 16/17 or Samsung Galaxy S25