{"id":655640,"url":"https://alion.io/job/iongroup-senior-agentic-developer-llm-native-enterprise-ny","title":"Senior Agentic Developer, LLM‑Native / Enterprise, NY","company":{"id":678233,"name":"ION Group","domain":"iongroup.com","url":"https://alion.io/company/iongroup-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":61,"open_postings":75,"ghost_share":0.653,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-10-28T05:59:10Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":220000,"max":240000,"currency":"USD","period":"year","gross":null,"usd_annual":240000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"AI Agents","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Java","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-03-05T16:23:56Z","employer_posted_date":"2026-03-05","last_verified_at":"2026-10-28T23:58:35Z","board_verified":true,"closed_at":null,"days_open":237,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":236},"description":"Lab49 is a specialist strategy, design, and technology consulting company dedicated to the financial services industry. We were founded in 2002 to fill a need in the Financial Technology marketplace for high-end execution and reliable delivery of technology projects.\nLab49 is now looking for a Senior Agentic Developer, an engineer who doesn’t just use AI tools but writes software through them.\nWe are looking for bright, curious engineers who thrive on continuous learning, experimentation, and delivering tangible results for clients. This role is ideal for developers interested in evolving toward an FDE-style mindset, combining deep technical expertise, customer impact, and AI-native ways of working.\nThis is not a role focused on “adding AI features” or “building AI platforms.” Instead, we are seeking an experienced developer who generates production-grade enterprise code using large language models as a primary interface, particularly while modernizing or extending complex, legacy systems in highly regulated environments.\nYou will operate as a vibe coder in the best sense of the term: combining deep engineering intuition, strong system design instincts, and fluent command of LLMs to move faster than traditional development workflows, without compromising rigor, compliance, or reliability.\nWhat You’ll Do\nContinuously experiment with emerging AI tools, development techniques, and agentic workflows to accelerate delivery and improve client outcomes.\nPartner with clients to turn innovative AI capabilities into practical, production-ready solutions that create measurable business value.\nGenerate, refactor, and extend enterprise-grade codebases by orchestrating LLMs as first-class development tools, not just assistants.\nModernize and evolve legacy systems (often written in traditional enterprise stacks) using AI-driven development workflows.\nApply “vibe coding” practices responsibly within highly regulated domains such as financial services, capital markets, or other compliance-heavy environments.\nDesign and guide agentic workflows where LLMs reason, iterate, and produce code aligned with business and architectural constraints.\nValidate, test, and harden AI-generated code to meet production, security, and audit standards.\nCollaborate closely with product managers, architects, and clients to translate ambiguous requirements into working systems, fast.\nInfluence how Lab49 and its clients adopt LLM-native software engineering practices at scale.\nWhat We’re Looking For\nStrong engineering fundamentals coupled with real-world experience solving difficult production problems (\"battle scars\") in enterprise systems\nA passion for continuous learning, experimentation, and achieving results with clients.\nHands-on experience manufacturing production-grade software in an AI-assisted way at scale (not just autocomplete or chat usage, but sustained code production through prompts, agents, or workflows).\nExperience working within mature CI/CD environments, with automated testing fully integrated into the delivery pipeline.\nComfort working in regulated, risk-aware environments, where correctness, explainability, and traceability matter.\nAbility to reason about system behavior, edge cases, and failure modes, even when the code is AI-generated.\nFluency in at least one major enterprise language or ecosystem (e.g., Java, C#, Python, JVM-based stacks, etc.).\nStrong intuition for when to trust the model, and when not to.\nLeading teams through the AI adoption journey and helping enterprises build scalable, robust AI software factory frameworks.\nInterest in growing toward a Forward Deployed Engineering (FDE) style profile, combining technical excellence, customer engagement, and outcome-driven delivery.\nNice to Have\nExperience designing or using agentic development workflows (multi-step prompting, tool-using agents, code-generation loops) \nExposure to modernization programs (monolith → services, legacy refactors, platform rewrites) \nOpinions about how software engineering should evolve in an LLM-first world - 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