Senior Agentic Systems Architect – TypeScript, .NET, MCP

🔥 13 minutes ago

🇱🇹 Lithuania – Remote

⏰ Full Time

🟠 Senior

⚙️ Systems Engineer

👻 Ghost score 22%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Work Life Group

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2012

🎯 Recruiter

👥 HR Tech

Recruitment • HR Tech

Work Life Group is a recruitment and staffing firm founded in 2018 that matches employers and candidates across a wide range of technical, administrative, and security-cleared roles. The company operates a global careers site, manages candidate and employee portals, and emphasizes respectful, responsive hiring practices and well-being for both hires and clients. With a small core team and a large network of contractors, WLG sources talent for IT, NATO/security, and other professional positions across many international locations.

📋 Description

• Decompose legacy monoliths into agent-readable, modular systems with strict boundaries and single responsibility • Lead incremental modernization using the Strangler Pattern and contract-driven interfaces • Enforce SOLID principles, Dependency Injection, and Hexagonal Architecture • Architect and maintain the agent context layer with standardized Skills, Rules, and Commands • Build and operate Model Context Protocol (MCP) servers exposing legacy APIs, services, and databases as typed, secure, AI-consumable tools • Own contract-first API design between human intent and autonomous agent execution • Act as architectural gatekeeper for AI-generated pull requests • Mandate test-driven development and characterization testing during refactoring • Monitor and optimize agentic reasoning loops for cost, speed, and architectural integrity

🎯 Requirements

• 7+ years in software architecture, platform engineering, or technical leadership • Proven experience modernizing large, undocumented legacy systems • Strong hands-on expertise with TypeScript, .NET, and Node.js • Strong background in API design, distributed systems, and modular architectures • Practical experience with agentic development, MCP, LLM tooling, or AI-assisted engineering • Bias toward clean code, deterministic systems, and production-grade AI • Experience with remote-first or globally distributed teams • Background in SaaS transformations, scale-ups, or PE-backed environments • Comfort operating in high-ambiguity, high-ownership settings

🏖️ Benefits

• Remote-first work environment • Fully remote work from Eastern Europe • High ownership, flexibility, and impact • Work across multiple products and technologies • Growth pathways across engineering, product, and leadership