Summary: As a Lead Backend Software Engineer, you will design, develop, and maintain the core infrastructure of an online sports betting and casino platform, driving innovation and optimizing system performance. Highlights: 1. Lead backend development for a modern iGaming platform 2. Drive innovation and optimize system performance, security, and scalability 3. Mentor engineers and contribute to strategic architectural decisions Trivelta builds the technology that powers a modern online sports betting \& casino platform that operators use to launch and offer their own fully customized branded, legally compliant iGaming platforms and products that drive engagement, retention, and revenue. Through our proprietary sports\-book and casino engine, we enable partners to offer real social interactions, predictive gameplay, and casino entertainment in one unified experience. ### **The Role** As aLead Backend Software Engineer you will play a pivotal role in designing, developing, and maintaining the platform's core infrastructure. As a technical leader, this individual will be responsible for driving innovation, optimizing system performance, and ensuring the scalability, security, and reliability while collaborating with cross\-functional teams, including product, security, compliance, and data analytics. ### **Key** **Responsibilities** * **Architect \& Develop Backend Systems** Design and implement scalable, high\-performance backend solutions, ensuring robust APIs for mobile, web, and third\-party integrations. * **Ensure Performance, Security \& Compliance** Optimize system performance, scalability, and reliability. Implement security best practices and ensure compliance with AML, KYC, data privacy, and state\-by\-state sweepstakes regulations. * **Manage Data Infrastructure** Build and maintain data pipelines to support analytics, fraud detection, geolocation controls, and regulatory reporting. * **Lead \& Mentor** Provide technical leadership, guide engineers in best practices, and foster a culture of continuous learning and innovation. * **Drive Technical Strategy** Lead architectural discussions, evaluate emerging technologies in gaming, fintech, and AI fraud detection, and align solutions with long\-term company goals. * **Collaborate Cross\-Functionally** Partner with product, finance, compliance, and support teams to translate requirements into technical solutions and ensure seamless operations. * **Ensure Operational Resilience** Lead incident response for outages or security events, implement proactive monitoring and alerting systems, and conduct root cause analysis for long\-term fixes. **Qualifications** * Proven experience designing, developing, and scaling high\-performance backend systems. * Expert hands\-on experience with Python for backend development, automation, and data processing. * Strong experience in API development, CI/CD processes, and infrastructure automation. * Deep understanding of system performance tuning, security protocols, and regulatory compliance, including AML, KYC, and data privacy. * Experience with data pipeline design, analytics integration, and geolocation\-based access controls. * Demonstrated leadership experience mentoring engineers and contributing to strategic architectural decisions. * Excellent collaboration skills working with cross\-functional teams across product, finance, compliance, and support. * Hands\-on experience with incident management, monitoring systems, and root cause analysis ### **Requirements** * Based in Barcelona * Fluent in English * Minimum 7 years of relevant experience * EU work authorization required — no visa sponsorship