Technical Lead – C#/.NET

This is a fully remote position, open to applicants in Poland.

📋 Description

• Oversee the implementation of an advanced risk analysis and scoring platform for a payments technology organization.

• Head an AI-driven team comprising C#/.NET and React developers, a Python developer, and a data platform engineer.

• Design, develop, and deploy production C#/.NET services, APIs, and React features, tackling the most challenging tasks when the team encounters obstacles.

• Contribute to and assess the team’s Python projects.

• Utilize Claude Code or a similar agentic coding tool as the primary coding accelerator, supported by automated testing, ensuring the robustness of AI-generated code prior to production.

• Deploy applications using Docker, Helm, and Azure DevOps pipelines to AKS, and integrate services with the Microsoft Fabric data ecosystem.

• Convert architectural designs into technical strategies, task breakdowns, and code-level specifications.

• Conduct code reviews and establish engineering standards for testing, review protocols, and AI tooling.

• Monitor technical progress, identify risks early, and provide support and mentorship to developers through reviews and collaborative coding.

• Serve as the technical liaison for the team with the client: facilitate stand-ups, participate in design reviews, communicate status updates, and ensure smooth transitions.

⛳️ Requirements

• 12+ years of experience in commercial software development, including over 5 years in a technical leadership role on production systems.

• Expertise in C#/.NET (ASP.NET Core, REST API design, async, EF Core or Dapper) with recent hands-on .NET coding experience within the last year.

• Proficient in Python (typing, async, FastAPI, pytest) and in React and TypeScript, sufficient to develop features and review code.

• Knowledge in relational databases and distributed systems: schema design, query optimization, transactional integrity, idempotency, and error handling.

• Experience with Docker, Kubernetes (preferably AKS), Helm, CI/CD (Azure DevOps or similar), and familiarity with Terraform.

• Regular use of agentic AI coding tools (Claude Code, Cursor, Copilot Workspace, Codex, or similar) and experience establishing AI-tooling guidelines for a team; ability to demonstrate workflow live.

• Demonstrated capability to lead distributed teams through design and code reviews without direct authority, with strong written communication skills.

• Ability to work independently with minimal onboarding in an existing codebase.

• Experience in payments, card processing, risk/fraud, or merchant services, preferably with PCI DSS-compliant systems.

• Familiarity with Microsoft Fabric, Delta Lake, or developing services over analytical data repositories.

• Experience shipping LLM-backed or agentic features such as RAG, LangGraph, or similar, along with evaluation methodologies.

• Knowledge of messaging, observability, and identity solutions: Service Bus, Event Hubs, or Kafka; OpenTelemetry, Azure Monitor; OAuth2/OIDC, Entra ID.

• Previous consulting or staff-augmentation experience leading a team within a client organization.

🏝️ Benefits

• Flexible and remote working arrangements.

• Participation in international projects with prominent global clients.

• Travel opportunities associated with international projects.

• A non-corporate work environment.

• Access to language courses.

• Opportunities for knowledge-sharing initiatives.

• Availability of private healthcare and life insurance.

• Access to a multisport card.