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Senior Software Engineer, Scenario Modeling

Maybern - New York, NY, USA - Hybrid - posted 2026-09-29

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Maybern is building an operating system for private fund management, combining deterministic guardrails with agentic AI to help CFOs manage the $15T private fund industry. The company is Series B-backed and NYC-based with a strong in-office culture. You will lead the design and development of the Scenario Modeling product—a new offering that transforms how fund CFOs forecast, analyze, and plan. This role blends deep technical ownership with leadership, requiring you to architect and ship a complex data product from 0 to 1. Key responsibilities: - Architect and implement the Scenario Modeling engine, including projection frameworks, workflow orchestration, and complex financial data processing pipelines that handle millions of records in near real-time. - Lead the design, scoping, and build of core system components from the ground up. - Partner closely with product and domain experts to develop flexible, intuitive modeling tools that replace legacy spreadsheet workflows. - Take features from idea through launch, working in a high-growth, fast-paced environment. You should be an entrepreneurial engineer who enjoys deep technical work, excels at communication, and thrives in collaborative settings. The role offers a competitive salary + equity package, comprehensive healthcare (100% premiums covered), paid parental leave, flexible PTO, and WFH flexibility as needed. Requirements: - 6+ years of experience as an engineer building and shipping world-class products. - Proven experience with systems processing millions of records in near real-time. - Track record leading product initiatives from conception through launch. - Solid grasp of relational databases and transactions. - Knowledge of platform/cloud technologies and distributed systems (AWS experience is a bonus). - Excellent written and verbal communication skills. - Ability to work in high-growth, fast-paced environments and adapt to change.

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