SS&C

Financial Services, Healthcare Technology

SeniorMLEngineer

$155–215k ~AI est. Waltham, Massachusetts, United States FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior ML Engineer at SS&C. Skills: Agentic AI, LLM Engineering, Python Development. Build AI agents end-to-end. Define agent goals”

Industry & Context.

Financial Services, Healthcare Technology
Problems you'll solve

Tackle complex problems; Solve multi-step problems; Root cause analysis

What They're Looking For.

Must Have

Expert-level Python skills, OOP programming, Async programming, Testing, Packaging, Production-grade code, Solid foundation in LLMs, Transformer architecture, Tokenization, Context windows, Prompting strategies, Hands-on LLM API experience

Nice to Have

Familiarity with JavaScript/TypeScript

What You'll Do.

Build AI agents end-to-end

Define agent personas

Define agent constraints

Design autonomous AI agents

Reason across workflows

Execute actions via APIs

Execute actions via tools

Execute actions via data sources

Implement planning strategies

Implement ReAct loops

Implement hierarchical task decomposition

Enable agents to solve problems

Design system prompts

Design few-shot examples

Shape decision-making boundaries

Implement planning systems

Implement memory systems

Decompose complex tasks

Improve agents over time

Work inside coding terminals

Understand tool orchestration

Contribute to custom coding workflows

Automate code generation

Automate code refactoring

Automate code testing

Evaluate terminal agent behaviors

Benchmark terminal agent behaviors

Expose internal tools

Expose internal databases

Design tool descriptions

Design invocation patterns

Integrate agents with external services

Integrate agents with REST APIs

Integrate agents with vector stores

Integrate agents with graph databases

Integrate agents with internal SDKs

Containerize agent services

Deploy agent services

Build CI/CD pipelines

Build autoscaling configurations

Build infrastructure-as-code

Define evaluation frameworks

Define observability pipelines

Measure agent performance

Measure retrieval accuracy

Measure tool-selection correctness

Measure hallucination rate

Drive continuous improvement

Partner with data scientists

Partner with ML engineers

Partner with product managers

Partner with security teams

Translate business needs

Experiment with open-source LLMs

Evaluate reasoning quality

Evaluate tool-use reliability

Explore inference optimizations

Explore speculative decoding

Explore constraint decoding

Explore structured outputs

Explore router-mode orchestration

Build evaluation pipelines

Run evaluation pipelines

Measure end-to-end task completion

Integrate agents with vector stores

Integrate agents with relational databases

Integrate agents with graph databases

Integrate agents with REST APIs

Integrate agents with internal microservices

Design memory architectures

Test memory architectures

Improve agent continuity

Improve agent personalization

How You'll Work.

Team & Collaboration

Collaborative team; Cross-functional teams; Partner with data scientists; Partner with ML engineers; Partner with product managers; Partner with security teams

Process & Methodology

Agile mindset, Shipping iteratively

Full Job Description

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. **_Job Description_** **Senior ML Engineer — Agentic AI****** **Location** : Waltham, MA (Hybrid) **About the Role** You'll be joining a collaborative, fast-moving team of data scientists, AI engineers, machine learning engineers, and data engineers who work together to tackle complex, high-impact problems at the intersection of AI and enterprise software. We operate with a genuinely agile mindset — shipping iteratively, challenging assumptions, and staying close to the cutting edge. The team is proactive about research, consistently evaluating and adopting state-of-the-art methodologies, and we encourage everyone to experiment, share findings, and bring new ideas to the table. If you thrive in an environment where intellectual curiosity is the norm and the work is always evolving, you'll fit right in. **Why Join SS &C ** SS&C combines proprietary technology with deep industry expertise to support complex financial and health care operations. Our teams design, implement, and operate solutions that help clients manage data, automate processes, and scale their businesses with confidence. You will work with industry experts, modern platforms, and evolving technologies, gaining exposure to real-world operational challenges and large-scale enterprise environments. **How You Will Make an Impact** **Agent Design & Implementation** * Build and iterate on AI agents end-to-end — from defining goals, personas, and constraints to wiring LLM reasoning with tool execution. * Design and build end-to-end autonomous AI agents that take user input, reason across multi-step workflows via large language models, and execute actions through A

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