Senior Software Engineer, AI-Driven Systems

Thimble

. Design and build durable workflows and services replacing current event-driven flows, defining service boundaries, state ownership, idempotency, and retry semantics .

Posted 10/26/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong backend engineering capabilities with extensive production experience in Node.js and TypeScript, alongside proficiency in building and maintaining AI workflow tooling and distributed systems. Exhibits clear written communication skills and the ability to collaborate effectively in a remote, asynchronous environment.

Highest-signal resume keywords

Node.js Production ExperienceTypeScript DevelopmentDistributed Systems UnderstandingAI Tools for Code MigrationFrontend Literacy

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend EngineeringEvent-Driven SystemsCode MigrationService TemplatesMetrics InstrumentationReact DevelopmentAngular DevelopmentProduction Incident ManagementWorkflow OrchestrationCode Review

Soft Skills

Clear Written CommunicationCuriosityProblem-Solving

Tools & Technologies

Claude CodeMCP ServersEvaluation ScriptsAgentic Coding ToolsDashboardsTracing Tools

Industry Keywords

InsurTechFinTechRegulated Industry

Tech Stack

Tools & technologies

AngularJavaScriptNode.jsReactTypeScript

About the role

Key responsibilities & impact

Design and build durable workflows and services replacing current event-driven flows, defining service boundaries, state ownership, idempotency, and retry semantics
Use agentic coding tools on hard problems by setting context, breaking down problems, and verifying output
Write, review, and ship production code in Node.js and TypeScript daily using agentic coding tools such as Claude Code
Define reference patterns, including service templates, shared libraries, and code generators
Plan and execute incremental migrations with tested rollbacks while keeping production running
Build and maintain AI workflow tooling, including MCP servers, evaluation scripts, and automated checks
Instrument services with metrics, alerts, dashboards, and tracing, and own production incidents end to end
Make targeted changes in React and Angular applications when backend work requires them
Partner with product, growth, and engineering teams and contribute to code reviews and architecture discussions

Requirements

What you’ll need

Strong backend engineering with production experience in Node.js and TypeScript
Hands-on experience building and operating distributed or event-driven systems, and a working understanding of how they fail
Experience using AI tools to drive a large code migration at scale (framework upgrade, service rewrite, language port)
Curiosity about agent harnesses, MCP, and A2A protocols; production deployment of agents is not required
Experience contributing to a migration or re-platform on a live system
Comfort reading unfamiliar code and data models and spotting problems in them
Enough frontend literacy to trace a problem from the UI down to the service layer
Clear written communication and comfort working in a remote, async-friendly environment
Bonus: Hands-on experience with a durable execution or workflow orchestration engine, in any language
Bonus: Built or contributed to an MCP server, an agent harness, an evaluation suite, or a multi-agent system
Bonus: Experience in InsurTech, FinTech, or another regulated industry in a similar environment to our tech stack

Benefits

Comp & perks

Fully remote company
Thimble Fridays! (out of office at 12:00pm local time)
Comprehensive health, vision, and dental coverage
401(k) auto enrollment and matching (100% of the first 3% and 50% of the next 3%)
PTO: 20 days vacation + 12 company-wide holidays + 8 floating days + 1 VTO (Volunteer Time Off) + unlimited sick time
Parental Leave: 100% paid 12 weeks + 2 weeks gradual return
Computer choice of Mac or PC
Work from home setup reimbursement
Monthly co-working space and/or child care reimbursement
Monthly ClassPass credit
Quarterly wellness reimbursement
Other health & wellness perks including: One Medical, Teladoc, Talkspace, Kindbody, and Health Advocate
Virtual events, happy hours, trivia, and fun!