Lead Software Engineer, Frontend

Overview

Sedarois hiring a Lead Software Engineer to build powerful tools for modeling complex Aerospace simulations. You'llwork across the full lifecycle-from the editor where engineers model systems and missions, to the workflow tools where they schedule simulation jobs, to the 3D playback and analytics dashboards where they explore and learn from the results.

• Team: Platform Services

• Location: 80% in-person in Arlington, VAor Boston, MA

• U.S.Citizen or permanent resident status required

Who We Are

Sedarois a simulation platform company. Customers use our cloud platform to simulate satellite constellations and connected fleets, enabling the design and operation of systems at unprecedented scale.Enabling customers to playback and visualize multiple constellations, drill down into individual spacecraft sub-systems, and then compare thousands of variations of a simulation is a significant challenge, all built on Cesium, React, and TypeScript.

We’rean early-stage company with serious traction, partnering with the Space Forceand Shield AIto deliver next-gen systems, and we’regrowing the team to match.

Who You Are

• You build power tools for power users. You'redrawn to interfaces where depth and efficiency matter more than onboarding simplicity.

• You'reenergized by novel problems where there isn'ta ready-made answer.

• You'drather ship and learn than polish in isolation. You'recomfortable with scrappy prototypes and iterating in the open.

• You focus on impact. You care more about what your work enables than about how it was tracked.

What You’llDo

• Build modeling interfaces where users define, configure, and compose complex system models

• Develop data visualizations and analysis tools that help users explore simulation results across thousands of scenarios

• Contribute to workflow and job management UIs that let users schedule and monitor simulation runs

• Extend and maintainour design system and componentlibraries

• Help shape information architecture and interaction patterns across the frontend

• Identifyand address frontend performance and reliability issues as our data scale and user base grow

Benefits

• Equity

• Unlimited PTO

• 401(k)with 4% match

• 100% premium payment for medical insurance

• Parental Leave

• Flexible work schedule with core hours

• Company provided lunches 3days a week

• Industry-leading career development opportunities

Requirements

• Bachelor’s degree in computer science or equivalent experience

• 3+ years of professional experience in software engineering

• Proficiencywith React and TypeScript

• Experience with frontend automated testing

• Experience contributing to componentlibraries or design systems

• Solid web fundamentals (HTML, CSS, browser APIs, HTTP)