Senior Software Engineer, Full Stack
Crum & Forster · Glastonbury, Connecticut, United States
Coalition, Inc. · United States
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One proof-of-work idea, an hour to build, that shows this employer you get their business.
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Coalition is the world's first Active Insurance provider designed to help prevent digital risk before it strikes. Founded in 2017, Coalition combines comprehensive insurance coverage and innovative cybersecurity tools to help businesses manage and mitigate potential cyberattacks.
Opportunities to make an impact with bold thinking are real—and happening daily at Coalition.
We are hiring a Software Engineer for the Automation team to use AI to solve and automate manual work across Coalition. This is a hands-on AI engineering role: authoring skills, wiring agents to our systems of record through MCP, building evals, and deploying agents that non-engineers depend on every day.
You will not be starting from zero. We have early workflows live in production, more proofs of concept in the oven, and working hypotheses about how all of this should fit together. We want someone who will pressure test those hypotheses against their own experience and change our minds where we have it wrong.
Deep, current, practical experience building with LLMs is the single most important qualification for this job.
The other half of the role is proximity to the business. Think of this as a Forward Deployed Engineer, pointed inward: your customers are other Coalition teams. You will work directly with the teams whose work we are automating, learn how they actually operate, and turn that into a playbook. Getting from that conversation to something an agent can run reliably is the core of the work.
You will also work day to day with our data team to get at the data these agents depend on. This is an individual contributor role with no direct reports.
Author skills: Turn a team's process, judgment, and edge cases into reusable skills that agents can invoke. Write them so the next project can reuse them instead of rebuilding them.
Build within our agent architecture: Wire agents to the systems of record through MCP servers, compose skills and tools into working workflows, and add new MCP surface area when a system we need is not covered yet.
Build evals: Define what "correct" means with the business team before you build. Build the eval set, establish a baseline, and use it to make calls about what ships. Nothing goes live on vibes.
Deploy and support agents: Take agents from prototype to production, including permissions, human-in-the-loop checkpoints, audit trails, and rollback. Tune from how they behave once real users are in front of them, and leave behind docs and an owner on the business team who can run it without you.
Partner with the data team: Work with our data engineers on the access, models, and quality of the data your agents read and write. Bring them requirements early rather than working around them.
AI application building (primary): Substantial hands-on experience shipping LLM-backed applications: prompting, tool use, agentic loops, and multi-step workflows. You know where these break and how to contain the damage when they do. You have shipped at least one agent that non-engineers depend on.
Agent tooling: Practical experience with MCP, skill or tool authoring, and orchestrating agents against real systems of record.
Evals: You have built eval sets and used them to make decisions, not just to make a slide look good.
Coding agents: Fluent with agentic coding tools like Cursor. You use them to move faster inside codebases you did not write.
Core development: Strong Python. Comfortable with SQL and working directly against production data models.
Business fluency: You can sit with a non-technical operator, map their process, and translate it into requirements without a PM in the room.
Comfort with ambiguity: Undocumented processes, half-broken internal tools, and unclear ownership are the normal starting conditions. You find the thread and pull it.
Shipping discipline: Git, CI, containers, and enough operational instinct to deploy your own work and keep it healthy.
Experience: At least 5+ years of hands-on software development experience. It's not the years, it's the miles.
Bonus Points
Experience building or maintaining MCP servers.
Prior solutions engineering, professional services, internal tools, or startup founding experience.
Working knowledge of the systems we automate against: Linear, Jira, Zendesk, Salesforce, Snowflake.
Insurance, fintech, or another regulated domain where being wrong has a compliance cost.
Our compensation reflects the cost of labor across several US geographic markets. The US base salary for this position ranges from $115,000/year in our lowest geographic market up to $168,000/year in our highest geographic market. Consistent with applicable laws, an employee's pay within this range is based on a number of factors, which include but are not limited to relevant education, skills, job-related knowledge, qualifications, work experience, credentials, and/or geographic location.
Your recruiter can share more on target salary for your location during the interview process. Coalition, Inc. reserves the right to modify this range as needed.
100% medical, dental and vision coverage
Annual home office stipend and WeWork access Mental & physical health wellness programs (One Medical, Headspace, Wellhub, and more)!
Competitive compensation and opportunity for advancement
Why Coalition?
Work at Coalition is centered on the joint mission to Protect the Unprotected. We have built a remote-first, highly inclusive culture that welcomes people from diverse backgrounds. We trust each other to take responsibility, share ownership of outcomes, and put in the work together to protect businesses from digital risk.
Coalition’s exceptional growth stems from its ability to address real-world problems for organizations of all sizes while remaining true to our founding values of character, humility, responsibility, purpose, authenticity, and inclusion.
We’re always looking for collaborative, inquisitive individuals to join #OurCoalition.
Visit our Newsroom >
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