Senior Software Engineer Team Lead (Blockchain Integration team) - OP02126-00

About the Role

We invite a Senior Software Engineer to join our team and help develop new components within a large-scale fintech data platform in the private markets domain. In this role, you’ll lead a team focused on integrating platform components with blockchain layers, working across a complex, multi-system environment.

What’s in it for you

• Work on a new component within an established fintech platform with 20+ internal services and 15+ external integrations
• Work with blockchain systems and smart contract integrations in real-world applications
• Lead technical decisions and guide a team of engineers in building complex systems end-to-end

Qualifications

• 5+ years of backend and distributed systems development experience
• Strong practical experience with blockchain-integrated systems and enterprise architecture design
• Proven ability to define and deliver end-to-end blockchain architecture and integration strategy
• Experience building stand‑alone blockchain developer tools and SDKs
• Experience shaping Layer 2 direction (rollups, sidechains, payment channels, where applicable)
• Experience designing token‑based access control and billing architecture
• Experience with wallet and transaction lifecycle design for production systems
• Experience with cross‑chain integration and interoperability strategy
• Strong focus on scalability, security, and cost efficiency of blockchain components
• Experience building and operating microservices with multiple integrations
• Strong experience with Kubernetes and containerized deployments (Docker)
• Experience with Infrastructure as Code (Terraform or equivalent)
• Experience with event‑driven architecture and distributed system reliability patterns
• Strong experience with PostgreSQL and practical knowledge of Redis
• Solid understanding of software architecture and system design
• Strong focus on clean, maintainable code and automated testing
• Experience producing technical documentation, including C4 and UML artifacts
• Experience as a Technical/Team Lead with end‑to‑end ownership of delivery and technical decisions
• Hands‑on expertise with AI software development tools (for example Cursor and Claude Code), including ability to guide team adoption and maintain quality at high delivery speed
• Strong communication, cross‑functional collaboration, and stakeholder alignment skills
• Strong analytical thinking, problem‑solving skills, and ability to work in fast‑changing environments with high ambiguity

Desirable

• Experience with LangChain and MCP tooling
• Familiarity with RAG and modern vector databases
• Experience with AWS or Azure and cloud‑agnostic design
• Background in fintech, data platforms, or private markets domains

Key Responsibilities and Your Contribution

• Lead design and development of backend services and integrations across platform components
• Drive integration efforts between platform components and blockchain layers
• Collaborate closely with cross‑functional teams to define and deliver solutions
• Guide the team on implementation, quality, and engineering best practices
• Ensure alignment across services in a highly integrated environment
• Contribute to system design, technical documentation, and diagrams
• Ensure code quality and reliability through testing and continuous improvements
• Troubleshoot and resolve issues across distributed systems and integrations

Benefits

• 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
• 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events such as weddings, funerals, or the birth of a child
• Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
• Grow your skills with English lessons, online training, conferences, and the option to explore new career paths