This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description RYZ Labs is seeking an experienced Senior Software Engineer to join a dynamic technology team in the financial and crypto industries. - Design, develop, and maintain backend services using Kotlin, ensuring scalability, performance, and reliability. - Build and integrate systems for financial and crypto products, including wallets, exchanges, payment platforms, and blockchain-based services. - Collaborate with product managers, designers, and engineers to define and deliver robust technical solutions. - Participate in architectural decisions, code reviews, and continuous improvement of engineering practices. - Ensure security, data integrity, and system resilience in highly sensitive financial environments. Qualifications - 5+ years of experience as a Software Engineer. - Solid experience with Kotlin for backend development. - Previous experience in crypto, blockchain, fintech, or financial systems. - Strong understanding of backend architecture, APIs, and distributed systems. - Experience working with databases (SQL and/or NoSQL). - Familiarity with cloud environments and modern deployment practices. Requirements - Experience with blockchain protocols, Web3 ecosystems, or smart contracts. - Strong knowledge of security best practices in financial or crypto platforms. - Background in fast-paced startup or scale-up environments. - Experience with Java or JVM-based ecosystems. Company Description RYZ Labs is a startup studio founded in 2021 by two lifelong entrepreneurs. The founders have worked at some of the world’s largest tech companies and most iconic consumer brands, and bring decades of experience across the US and Latam markets. Their shared passion lies in the early stages of company creation and in attracting top-tier talent to build industry-defining companies in a post-pandemic world. - Our teams are remote and distributed throughout the US and Latam, leveraging cutting-edge cloud technologies to build scalable and resilient applications. - We provide diverse product solutions across industries and plan to launch a large number of startups in the coming years. - At RYZ, engineers work with high autonomy and ownership, participating in every step of the development lifecycle. - We foster an environment focused on learning, growth, and tackling challenging, high-impact projects alongside talented professionals. - Customer First Mentality – Every decision is made through the lens of the customer. - Bias for Action – Urgency matters; timelines move fast. - Ownership – Step up when you see an opportunity, even beyond your core role. - Humility & Respect – Be open to learning, vulnerability, and collaboration. - Frugality – Do more with less through smart, efficient solutions. - Deliver Impact – Focus on execution and meaningful outcomes. - Raise Our Standards – Continuous improvement is part of our DNA.

• Design and implement robust data pipelines • Build efficient, scalable parsers for raw data • Create and maintain data models • Optimize data models for querying and reporting • Write clean, scalable, and maintainable code • Implement strong data validation techniques • Develop monitoring systems for data pipelines • Work closely with front-end and Rails development teams • Write unit and integration tests • Deploy and manage backend services in AWS or other cloud environments • Maintain clear documentation for backend processes and APIs

• Develop and maintain back-end applications and systems; • Participate in planning meetings and code reviews; • Perform integration and performance testing; • Collaborate with the team to develop innovative solutions; • Document and keep technical system documentation up to date.

• Kubernetes Deep-Dive: Work intimately with Kubernetes internals to push the boundaries of container orchestration. • Go Development: Write high-performance, resilient Go code to power the core logic of the vCluster platform. • End-to-End Ownership: Take full ownership of your work. You are self-driven and capable of managing feature development from technical design to release without needing constant oversight. • Open Source Innovation: Engage with the community and contribute to our open-source projects. You will help define the next generation of tenancy models, creating scalable solutions for isolation and resource sharing beyond simple namespaces. • Technical Problem Solving: Tackle hard engineering challenges where the solution isn't always on ChatGPT, requiring a deep understanding of systems architecture.