Lead Software EngineerSedaro • Arlington, Virginia, 22203, United States, Virginia, United States

Lead Software Engineer

Sedaro • Arlington, Virginia, 22203, United States, Virginia, United States

1 day ago

Job type

Full-time

Permanent

Job description

Overview

Sedaro is hiring a Lead Software Engineer to optimize performance across our Cesium-based 3D rendering and data pipeline for aerospace simulation. You'll profile and eliminate bottlenecks, optimize how we move massive datasets from backend to browser, and extend our data visualization toolkit. Your work directly unlocks our customers' ability to analyze and learn from increasingly complex simulations.

Team :

Studio , report ing to the Director of Engineering

Location :

In person in Arlington, VA

U . S . Citizen or permanent resident status require d

Who We Are

Our mission is simulation at scale. Sedaro runs high-fidelity physics simulations of satellite constellations and connected fleets. Our platform makes massive datasets explorable through faster-than-real-time 3D rendering and multi-dimensional analytics. We're built on React, TypeScript, Python, and Kubernetes. Join us as an early employee building the interface layer for AI-augmented engineering and operations.

Who You Are

You believe power users deserve powerful tools with dense information and sophisticated controls

You ’re

thrill ed by messy internals , whether it’s

memory allocators, WebGL shader pipelines, GC traces, thread contention, or network packet timing

You relish performance optimizations , both elegant abstraction s and gnarly workaround s

You pitch in wherever needed to move the mission forward , even if it’s outside your lane

Loading spinners and latency nag at you . Y ou keep your own list and find time to fix them

What You’ll Do

Design and build high-performance productivity tools with impactful incremental releases

Profile and eliminate bottlenecks across our Cesium-based visualization pipeline and data processing backend

Optimize API response times and data throughput for scaling complexity

Build performance testing and observability that catches regressions and guides decisions

Become an expert on rendering performance, shaping how the team approaches speed and efficiency as we scale

Benefits

Equity

Unlimited PTO

401 (k) with 4% match

100% premium payment for m edical i nsurance

Parental Leave

Flexible work schedule with core hours

Company provided lunches 3 days 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

Experience profiling and optimizing web application performance (backend APIs, frontend rendering, or both)

Experience implementing automated load and performance testing (stress tests, benchmarks, regression detection)

Proficiency with TypeScript

Additional

desirable experience :

Experience with data visualization and 3D rendering

Experience with React

Proficiency with Python

Experience with styling, including CSS , color theory , and type design

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Lead Software Engineer • Arlington, Virginia, 22203, United States, Virginia, United States

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