Senior Scala/Java Engineer

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October 15

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VeliTech

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B2B • Gaming • Fintech

VeliTech is a dedicated B2B provider that specializes in delivering advanced technology solutions for the iGaming industry. They offer a comprehensive suite of products designed to enhance player engagement, streamline betting operations, and support business growth. From core systems for iGaming management to feature-rich sportsbooks, payment gateways, and no-code CRM solutions, VeliTech focuses on providing tailored services to meet the unique needs of their clients, ensuring high performance and compliance in the dynamic gaming environment.

201 - 500 employees

🤝 B2B

🎮 Gaming

💳 Fintech

📋 Description

• Drive design, implement, extend, test, deliver, and maintain domain-specific business features in production. • Optimize and refactor the existing codebase and data models. • Participate in SRE activities, including monitoring, troubleshooting, production releases and housekeeping. • Respond to and investigate complex problems within the team's area of responsibility and cross-team areas by retrieving and analyzing heap dumps, logs, SQL queries, reports, and charts. • Improve internal common libraries and frameworks. • Collaborate with team members and external stakeholders to address technical and business challenges, drive the product's feature development and actively seek feedback.

🎯 Requirements

• Proficiency in Java with practical experience using Quarkus(Rest, Mutiny, Reactive PG SQL), or similar Spring Framework, Vert.x Scala development experience required. • Akka or ZIO will be a huge advantage. • Strong understanding of functional programming principles and best practices. • Practical experience of JVM application garbage collection, memory management, understanding and troubleshooting. • Solid experience with Kafka (event-driven architecture, message delivery semantics, stream processing). • Strong command of relational databases, especially PostgreSQL. • Experience designing and maintaining RESTful HTTP APIs for client communication. • Hands-on experience with gRPC for efficient inter-service communication. • Understanding and application of Clean Architecture principles in designing modular and maintainable systems. • Experience working in distributed microservice environments with domain-driven service decomposition. • Understanding of asynchronous messaging patterns and event-driven communication, especially over Kafka. • Good understanding of CAP theorem, message delivery strategies (at-most-once, at-least-once, exactly-once), and fault tolerance in distributed systems. • Hands-on experience deploying and managing applications in Kubernetes, using containerd or other container runtimes. • Deep understanding of software design principles: SOLID, GRASP, and other key OOP/FP paradigms. • Ability to write clean, maintainable, and well-tested code. • Experience with concurrent and parallel programming, thread management, and async task orchestration. • Experience with near-real-time stream processing (millions of records per second/minute).

🏖️ Benefits

• Level up daily. Real mentorship, a clear career path, and support to lead your product. • Battle-tested tech stack. Work with what we bet on: microservices, serverless, SRE strength. • Health comes first. Insurance and 10 days' sick leave — because your health is a priority. • Work your way. Remote, hybrid, Kyiv office — find your rhythm. • Time off that matters. 20 days paid vacation, public holidays — to recharge your way. • Build your brand. Share your story, grow your voice — inside and out. • Culture with a pulse. Team offsites, community events, and the energy of people who care.