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Software Engineers | All Levels

Antithesis· Engineering
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Vienna, VA, USA$120k - $200kFull-timePosted 4mo ago

About the role

Software engineers at Antithesis participate in building a platform for deterministic simulation-based debugging across the stack. Roles span Senior, Staff, and Principal levels, with a focus on autonomous testing, tooling, and complex software systems.

Responsibilities

  • Build and ship features across the whole stack for autonomous testing platforms
  • Develop tools and infrastructure to support deterministic simulation and debugging
  • Work on multi-domain projects including notebooks, streaming databases, formal infrastructure, and high-performance hypervisors
  • Collaborate across teams to understand how things really work and deliver robust software

Qualifications

  • Experience in building complex software systems
  • Strong generalist mindset with ability to learn quickly and contribute across stack
  • Ambition to work on high-impact, technically challenging problems
  • Proven ability to work collaboratively in a team environment

Skills

Required:Software engineering generalist mindsetSystem design and debuggingCollaboration and communication
Last updated Aug 5, 2026. Interested? Apply on the company site.
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About Antithesis

Bug-free systems, unlimited velocity: Unleash your agents

Antithesis de-risks agentic development of critical systems. Our platform runs your complete system, exhaustively analyzes its behavior, and exposes bugs as quickly as agents introduce them. We arm your team with a root cause and a perfect reproduction of every issue found.

Autonomous testingDistributed systems reliabilityDeterministic simulation testingProperty-based testingAutonomous testing primerTechniques to improve software testing
Company profileWebsite

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