Senior Java Developer

About the Company Traffic Label is a fast-growing, data-driven technology company operating in the iGaming and affiliate marketing space, building scalable products focused on performance, analytics, and automation across global markets. About the role We’re growing our engineering team and looking for a Senior Java Developer to help take a new iGaming platform from proof of concept to production. You’ll join a small, highly skilled team building scalable, high-performance backend systems from the ground up in a fast-paced, data-rich environment. Responsibilities Design, build, and maintain robust backend services in Java Work with event-driven architectures using Kafka Design and optimise PostgreSQL databases for performance and scalability Implement multithreaded, concurrent applications ready for high load Drive best practices in coding, testing, and system design to keep the platform robust and scalable Take a leading role in technical discussions, code reviews, and architecture decisions Requirements 5+ years of commercial experience in high-volume, highly available systems Strong knowledge of Java (Core, Concurrency, Multithreading) Deep hands-on experience with PostgreSQL (schema design, indexing, and query optimisation) in large-scale, high-traffic environments Hands-on experience with Kafka (producers, consumers, streams, event-driven architecture) Strong understanding of scalable and distributed systems Experience working in remote/distributed teams High level of ownership, autonomy, and problem-solving skills Strong communication skills, comfortable working with both technical teams and senior business stakeholders Fluent English (spoken and written) Nice to have Experience in iGaming, fintech Knowledge of microservices architecture Experience with cloud platforms (AWS / GCP / Azure) Familiarity with Docker / Kubernetes What we offer Fully remote role with a modern, flexible working setup Opportunity to work on a brand-new iGaming project High level of technical ownership and influence over key architectural decisions Collaborative, senior-level engineering environment Competitive compensation based on experience Long-term project with room for growth