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

At Dev.Pro , a US-based company, we're looking for contractors to work on projects that impact millions of people around the world. But we know it’s the people behind the tech who make it all happen, and we're looking for individuals who share our values and passion for making a difference.
We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

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

✅ Is that you?

• 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

In this role, you’ll lead a team building integrations across platform components and blockchain layers.

• 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

What's working at Dev.Pro like?

✔️ 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 like 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

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Interview — ✅ Offer

Interested? Find out more: