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Senior Software Engineer, Full Stack

Senior Software Engineer, Full Stack (Hybrid, NYC)

About Formulary Financial

Our mission is to be the most reliable operation partners to asset management firms by equipping them with expert service and AI that deliver unprecedented speed, data accuracy, and actionable insights.

This is a unique opportunity to join a category-defining business built by veterans in asset management and AI/ML (Bridgewater Associates, Meta, IBM Watson, Elemental Cognition), backed by premier investors (Khosla Ventures, Acrew Capital, Serena Ventures, Company Ventures), and driving transformation in one of largest industries in financial services. Formulary rapidly grew to manage billions in assets across a global client base that represents leading firms and is scaling quickly to transform the $30 trillion fund administration industry.

We’ve assembled a dream team of experts passionate about solving complex problems with powerful technology and delivering exceptional, white glove service to investors. We are deeply committed to our mission, incredibly customer-focused, and inspired to reshape the private markets industry. If you want to move fast, hold yourself to a high bar, and make a meaningful difference in the future of finance, come build with us.

Compensation

Salary: $150,000 to $200,000

Equity: Competitive

Benefits: Healthcare, vision, dental, 401k

Three days onsite in New York City.

What Impact You Will Own and Drive

As one of a handful of engineers alongside the CTO and principal engineer on a platform managing billions in assets, you'll own whole verticals end-to-end — data model to API to UI to deployment.

  • Real-time calculation engine: Allocations, NAV, and capital accounts computed on the fly. Every number ties out to the cent.

  • Lineage on every figure: Every number traces back to the exact spot in the source file it came from, whatever format the client sent. Derived numbers show their formulas, so you can walk the full calculation chain from a result on screen back to its origin.

  • Orchestrating AI, humans, and determinism: Durable workflows where LLM agents, deterministic validators, and humans sign-off each own the steps they're best at.

  • Money movement: Production bank connections, payment rails, and reconciliation workflows. Capital calls settle against real bank activity and tie out automatically.

  • Automated audit: A data-quality layer that continuously checks the books for misattributed ledger entries, broken tie-outs, and drifted balances.

  • Ontology metamodel: A single semantic model of the fund world generates the platform's types, authorization rules, and graph schema. Change the model once and the whole platform follows.

  • Authorization as a graph: Permissions are live queries over the fund hierarchy. Who can see what falls out of how funds, GPs, and LPs actually relate.

  • Client-facing surfaces: The web, mobile, and agentic Excel experiences that fund administrators, GPs, and LPs use every day.

What You Need

  • 6+ years of hands-on engineering, comfortable working across the stack.

  • Strong TypeScript. We're React on the front, GraphQL and gRPC services behind it.

  • You care about correctness. Experience with systems where the numbers have to be right — payments, billing, ledgers, or anything similar — is a big plus.

  • You're comfortable with complex data: hierarchies, versioned history, reconciliation. Our data is hard because of its structure, not its size.

  • You understand the fundamentals of reliable distributed systems — idempotency, retries — and want to get better at them.

  • You use AI tools in your daily work and are excited to build LLM-powered features.

  • Experience deploying and operating services on AWS (Kubernetes a plus).

  • Solid testing and CI/CD habits.

Extra / Bonus

  • You've shipped LLMs to production behind real guardrails.

  • You've built payment, ledger, or reconciliation systems where money ties out to the cent.

  • Experience at an early-stage or high-growth startup.

  • Background in fintech or financial services.

Who You Are

  • You are mission-driven and motivated to build a category-defining business from scratch.

  • You possess relentless drive, grit, and inspiration to work at an early-stage startup.

  • You act like an owner, deal well with ambiguity, and push for results without guidance and oversight.

  • You are an ambitious problem-solver, balance speed and quality, and can effortlessly navigate complex situations.

  • You move fast, ship quality products, and have a strong team-first mindset.

  • You value excellence, integrity, and the meritocracy of ideas.

  • You are a strong communicator and collaborator who thrives in a hybrid work environment.

  • You provide and receive feedback with honesty, care, and thoughtfulness.

  • You are curious and have a rare growth mindset.

Why Join Our Mission

  • Build an Industry-Defining Business: Play a key role in creating a groundbreaking technology platform that will reinvent the asset management industry.

  • Partner with Experienced Leaders: Join a team of repeat founders, world-class AI and asset management veterans, tier-one investors, and forward-thinking clients.

  • Compensation and Equity: Competitive base salary, comprehensive benefits, and equity ownership in a high-growth, funded venture.

  • Shape Culture and Values: Be part of an agile startup where your contributions directly influence the organization’s culture and long-term success.

Please email your resume to talent@formulary.co