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

> Dev.Pro · Wrocław, Poland (Remote) · — · Posted 2026-05-07

**Workplace:** remote

**Department:** OP

## Description

🟢 At Dev.Pro, we 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. 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](https://drive.google.com/file/d/1HtZZ5S5bQGUkP9ndK4RalcKg5mPSGXgp/view?usp=sharing)

[💻 LinkedIn Page](https://www.linkedin.com/company/2340834/)

[📈 Our website](https://dev.pro/company/)

[💻IG Page](https://www.instagram.com/devpro.global/)

## Apply

[Apply at Dev.Pro](https://apply.workable.com/devpro/j/2B63F66799/apply)

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