Senior Agentic Systems Architect – TypeScript, .NET, MCP

This is a fully remote position, open to applicants in Bosnia and Herzegovina.

📋 Description

• Break down legacy monolithic systems into modular, agent-readable components with clear boundaries and a focus on single responsibility.

• Guide the gradual modernization process utilizing the Strangler Pattern while encapsulating legacy functionality in modern, contract-driven interfaces.

• Uphold SOLID principles, Dependency Injection, and Hexagonal Architecture to ensure reliable AI execution and minimize regression risks.

• Design and oversee the agent context layer incorporating standardized Skills, Rules, and Commands.

• Develop and manage Model Context Protocol (MCP) servers that transform legacy APIs, services, and databases into secure, typed, AI-accessible tools.

• Take responsibility for contract-first API design that bridges human intent with autonomous agent execution.

• Serve as the architectural gatekeeper for AI-generated pull requests.

• Ensure the scalability, security, and sustainable maintenance of systems.

• Enforce test-driven development (TDD) and characterization testing during the refactoring process.

• Monitor and enhance agentic reasoning loops for cost efficiency, speed, and architectural robustness.

⛳️ Requirements

• Over 7 years of experience in software architecture, platform engineering, or technical leadership.

• Demonstrated success in modernizing extensive, undocumented legacy systems.

• Strong practical skills in TypeScript, .NET, and Node.js.

• Solid background in API design, distributed systems, and modular architectures.

• Hands-on experience with agentic development, MCP, LLM tooling, or AI-assisted engineering.

• A preference for clean code, deterministic systems, and production-level AI.

• Experience working with remote-first or globally distributed teams is a plus.

• Background in SaaS transformations, scale-ups, or private equity-backed environments is advantageous.

• Comfort in navigating high-ambiguity, high-ownership environments is beneficial.

🏝️ Benefits

• Significant ownership, flexibility, and impact in your role.

• Opportunities to work across various products and technologies.

• Clear growth pathways in engineering, product management, and leadership.

• Remote-first working arrangement.

• Engagement available in contract or full-time capacities.