Senior Software Engineer - iGaming

Our client is a fast growing iGaming company with offices in Europe which is recruiting a Senior Software Engineer The role can be based in Tallinn or be 100% remote with a service agreement (B2B contract). As a Senior Software Engineer, you will design, develop, and maintain scalable, high-performance applications. You will lead architecture discussions, mentor junior engineers, optimise performance, and ensure smooth integrations with third-party services. You will also take ownership of complex technical challenges and contribute to the platform’s strategic development. Key Responsibilities - Design, develop, and maintain scalable, high-performance applications using Elixir and related technologies. - Lead discussions on architecture, technical design, and engineering best practices with cross-functional teams. - Write clean, maintainable, and well-tested code aligned with internal standards. - Drive performance optimisation to improve scalability and system efficiency. - Design and implement integrations with third-party APIs and services. - Own troubleshooting and resolution of complex issues across functionality, performance, and reliability. - Participate in and support on-call rotations, including incident response. - Conduct code reviews and mentor junior engineers to promote engineering best practices. - Stay current with relevant technologies and contribute innovative ideas to the team. - Contribute to the design and planning of new features and system improvements. - Implement security and data protection best practices. - Build and evolve complex domain logic such as rules engines, decision frameworks, and policy systems. - Design and maintain high-throughput, real-time or near-real-time data pipelines and enrichment systems. Key Skills & Experience - 5+ years of software engineering experience, with exposure to Elixir/Erlang, TypeScript, or similar languages. - Strong understanding of API design best practices. - Solid experience with testing methodologies and frameworks. - Experience with microservices, event-driven systems, and high-traffic or data-intensive applications. - Knowledge of client-side or system performance optimisation. - Strong understanding of CI/CD, code standards, and modern engineering practices. - Ability to deliver independently while managing multiple priorities. - Strong problem-solving ability and proactive mindset. - Excellent written and spoken English. - Previous experience in iGaming is a plus. - Experience with real-time or near-real-time data processing systems. - Familiarity with event-driven architecture, async messaging, and stream processing. - Experience building complex business logic systems (rules engines, decision frameworks, policy engines). Salary is negotiable and in the region of 5-6K EUR gross per month plus excellent benefits Originally posted on Himalayas