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:
📋How we work
💻 LinkedIn Page
📈 Our website
💻IG Page