• Design, build, and ship customer-facing features across our CI/CD platform • Work on backend systems and services that support Flutter and other mobile ecosystems • Collaborate closely with product, design, and other engineers to shape solutions • Engage with customer feedback to solve real-world developer problems • Take ownership of features from idea to production in a fast-moving environment • Depending on your experience, this role can include technical leadership, architectural decisions, and mentoring

• Architect and Build: Design and implement critical systems, including consensus mechanisms, transaction reordering processes, and state management. • Innovate: Address complex challenges in distributed systems and cryptography to enhance scalability and robustness. • Collaborate: Work closely with the founding team to iterate rapidly based on feedback from our integration partners and other members of the blockchain ecosystem. • Set Standards: Establish benchmarks, tools, and best practices to ensure the system is efficient, scalable, and developer-friendly.

• Design, build, and maintain highly scalable and resilient backend services using Go. • Develop event-driven, distributed systems leveraging Kafka and gRPC. • Own and evolve acquired codebases: integrate them into Valsea’s platform and expand their capabilities. • Collaborate with cross-functional teams to define, design, and ship new features that deliver real product value. • Contribute to architectural decisions and continuously evolve our backend stack with new tools and best practices. • Build and maintain back-office APIs and admin tooling that internal teams and operators rely on. • Strengthen observability, monitoring, and alerting to ensure systems operate reliably under production load. • Troubleshoot production issues, optimize system performance, and proactively drive improvements. • Share knowledge with teammates and help raise the technical bar across the team.

• Design, develop, and maintain backend systems using Python. • Contribute to the development and evolution of scalable and resilient payment systems. • Break down large initiatives into manageable tasks and deliver them iteratively. • Collaborate with engineers, product managers, designers, and analysts throughout the product lifecycle. • Participate in technical discussions, helping define solutions and articulate trade-offs. • Ensure high-quality code through best practices, testing, and safe deployment strategies. • Support system operations, including contributing to on-call efforts and resolving production issues. • Work closely with team leads and managers to ensure timely and successful delivery of projects.