Synced from Ashby · Jan 9

Algorithm Developer

FleetlineNew York CityPosted Jan 9, 2026
Software EngineerOn-siteMid
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Jan 9
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Ashby
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Job description

Fleetline writes optimization algorithms for enterprise trucking fleets. We work with some of the largest fleets in the country and are rapidly scaling our operations.

A bit about us

  • Scaled from 0 to $Xm in contracts in under eight months; month-over-month growth is still increasing

  • Lean team of 12 based in New York City; everyone deeply cares about the company’s mission, our clients, and each other. That care translates into high standards, close relationships, and intensity.

  • Backed by a large seed round from top investors like BoxGroup, Base10, and more.

About the role

  • Build and scale core optimization algorithms used directly in production

  • Write optimization systems (e.g. MILPs, LPs, heuristics, etc.)

  • Build and maintain data pipelines that operate at real production scale

  • Move quickly from idea → implementation → customer usage

  • Contribute to long-term product and technical direction

  • Willingness to do whatever is needed technically, from deep algorithm work to integration and tooling

  • Comfortable being forward-deployed: talking to customers, understanding constraints, and solving concrete problems

  • In office in New York City is required.

What we’re looking for

  • Has experience writing optimization algorithms (MILPs, ML, DP, RL, stochastic models, heuristics, or similar)

  • A generalist who can operate across the stack when needed

  • Ships code fast and often; not a perfectionist

  • Comfortable working in ambiguity with incomplete information

  • Extremely hardworking when part of a strong, mission-aligned team

  • Background may include top startups or big tech, ex-founder / founding engineer experience, or serious side projects that are shipped and live

  • Comfortable with Python and TypeScript

Pedigree is not important. We’re looking for people who are intelligent, gritty, curious, and good at moving quickly.

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Algorithm Developer
Fleetline · New York City
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