Role:Lead AI Engineer with Retirement & Wealth Domain
Location:Boston, MA or Windsor, CT
Long Term contract
Only w2
We need candidate to work onsite from Day 1 (Onsite Hybrid)
Responsibilities:-
Architecture & Technical Design
Hands-On Engineering
MLOps & Production Reliability
Technical Leadership
Experience
10+ years of progressive software engineering experience with sustained hands-on contributions (aligned with Citi C14/SVP benchmark for this level).
3+ years of dedicated experience building LLM-based systems and agentic architectures in production environments not research or notebook work.
Proven success architecting and delivering multiple enterprise-scale AI solutions into production; can speak to architecture decisions, failure modes encountered, and how systems were improved post-launch.
Prior lead or staff-level role: set technical direction, owned critical systems end-to-end, influenced engineering practices across a team.
Experience delivering AI systems in a regulated environment (financial services, healthcare, or similar) with compliance, audit trail, and governance requirements.
Programming & Core Engineering
Rust (required, expert level): production systems development including memory safety, async programming with Tokio, error handling patterns, trait design, and testing used for performance-critical AI service layers, data pipelines, and backend infrastructure.
TypeScript / Node.js (required): production API services, async/await patterns, type-safe API contracts, and React-based front-end interfaces for advisor and participant-facing tools; full-stack TypeScript capability is expected, not optional.
Solana / Solana programs (required): smart contract development using Anchor or native Solana program model; familiarity with Solana s account model, transaction structure, and program-derived addresses (PDAs) as they apply to on-chain financial data and tokenized retirement or investment products.
Software engineering fundamentals: system design, CI/CD pipeline ownership, testing strategy (unit, integration, contract, eval), resiliency patterns, security practices for AI services, and operational stability.
API development: RESTful and event-driven API design using TypeScript/Node.js or Rust (Axum, Actix, or equivalent); authentication, rate limiting, versioning, and API contracts for AI services consumed by downstream systems.
Data engineering: complex SQL proficiency; data pipeline construction in Rust or TypeScript (dbt, Airflow, Prefect, or equivalent); working with structured financial data at scale; experience with Snowflake, Spark, or similar.
Front-end capability: React with TypeScript to build production-quality interfaces for advisor and participant-facing AI tools not a specialization, but full ownership of the UI layer is expected.
Databases: vector databases (Pinecone, Weaviate, pgvector, OpenSearch); relational (PostgreSQL, SQL Server); document (MongoDB); caching (Redis).
LLM & Generative AI Engineering Required
Production LLM integration: hands-on experience with OpenAI GPT-4o, Anthropic Claude, Google Gemini/Gemma, and/or AWS Bedrock in user-facing production applications not just API experimentation.
RAG system design and implementation: vector store selection and configuration, chunking and embedding strategies, hybrid search, re-ranking, and rigorous evaluation (RAGAS, custom eval frameworks, or equivalent).
Prompt engineering at an engineering level: system prompt design for financial services safety constraints, few-shot construction, structured output extraction (JSON/XML), prompt version control, and regression testing.
Agentic AI architecture: tool use and function calling; multi-step reasoning chains; agent orchestration frameworks (LangGraph, LangChain, Google ADK, AutoGen, CrewAI, or custom implementations); MCP (Model Context Protocol) server design and integration for financial data sources.
LLM evaluation: building eval suites for correctness, hallucination, instruction-following, and task-specific quality; LLM-as-judge patterns; adversarial robustness testing for financial advice contexts.
Output validation and safety layers: guardrails, output parsers, confidence scoring, fallback logic, and human-in-the-loop escalation patterns for production AI systems handling regulated financial outputs.
ML frameworks: working knowledge of TensorFlow and PyTorch sufficient to fine-tune, evaluate, and integrate transformer-based models; not required to build from scratch but must understand model mechanics to make architecture decisions.
Cloud, Infrastructure & MLOps
Cloud platforms: production experience on AWS, Azure, or Google Cloud Platform AI/ML services (SageMaker, Azure ML, Vertex AI), serverless compute, managed databases, and storage.
Containerization and orchestration: Docker (required); Kubernetes working knowledge; experience deploying AI inference services in containerized environments with auto-scaling.
MLOps: experiment tracking (MLflow, Weights & Biases, or equivalent); model versioning; deployment pipelines for AI systems; CI/CD for model updates with automated quality gates.
Observability: logging, tracing, and metrics for AI services (Datadog, CloudWatch, OpenTelemetry, or equivalent); building dashboards and alerts for model quality, hallucination rates, and system health.
Retirement & Wealth Domain Knowledge Required
Engineering in a retirement context is different from general fintech. You are building systems that touch fiduciary decisions and regulated investment outputs. You do not need to be a certified financial planner, but you must understand what you are building for.
Defined Contribution Mechanics: 401(k)/403(b)/457 plan structures; contribution and matching rules; the recordkeeper/TPA/plan sponsor data ecosystem; what participant data looks like, where it comes from, and what PII controls apply.
ERISA & Fiduciary AI Constraints: how fiduciary obligations constrain what AI systems can output autonomously vs. require human review; prohibited transaction implications for AI-generated investment guidance; audit logging requirements for ERISA-covered plan decisions.
2026 Model Risk Management Framework: the April 2026 interagency guidance replacing SR 11-7 including its materiality-tiered approach, proportional controls, conceptual soundness documentation requirements, and principles-based treatment of GenAI and agentic systems; how to design AI systems that generate governance evidence as a byproduct of normal engineering operations.
Investment Data: fund data structures (NAV, returns, expense ratios, asset allocation); participant account and transaction data; market data feeds; familiarity with Aladdin (BlackRock), Orion, or similar platforms is a plus.
Privacy & Security in Financial AI: SOC 2 Type II requirements; PII handling for participant financial data; data residency and retention requirements; experience building AI systems with appropriate access controls for sensitive financial information.
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