Senior Software Engineer - Python|Backend

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.

As a Senior Backend Software Engineer, you will play a pivotal role in designing, developing, and maintaining the platform’s core infrastructure. As a key contributor, you will drive innovation, optimize system performance, and ensure scalability, security, and reliability while collaborating with cross-functional teams, including product, security, compliance, and data analytics

• 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.
• Mentor
  Support and guide engineers by sharing best practices and contributing to a culture of continuous learning and technical excellence.
• Collaborate Cross-Functionally
  Partner with product, finance, compliance, and support teams to translate requirements into technical solutions and ensure seamless operations.

• Proven experience designing, developing, and scaling high-performance backend systems.
• Strong hands-on experience with Python for backend development, automation, and data processing.
• Experience building and maintaining APIs, working with CI/CD pipelines, and supporting infrastructure automation.
• Solid understanding of system performance optimization, security best practices, and regulatory compliance, including AML, KYC, and data privacy.
• Experience working with data pipelines, analytics integrations, and geolocation-based access controls.
• Experience mentoring or supporting other engineers and sharing engineering best practices.
• Strong 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.

• Based in Barcelona 
• Fluent in English
• Minimum 4 years of relevant experience
• Hybrid- Four days on-site in the office
• EU work authorization required — no visa sponsorship