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Antithesis

Autonomous software testing platform for deterministic bug detection.

Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
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Company facts

Series A-stage
Founded
2018
Employees
150
Headquarters
United States
Type
Private
Funding
Series A · $105M · 2025
Subsidiaries
Antithesis UK Limited

Open positions

4 jobs
Antithesis
22 views 4 weeks ago

Senior Software Engineer, Full Stack

Open 28d On-siteNorth AmericaSenior 2 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
Vienna, VA

Full-stack senior engineer building Antithesis's Notebook — a reactive computing platform (like Jupyter with auto-recalc) that all product UX runs on. Day to day: own features front-end to data layer (custom DB/proxy/API), write TypeScript with some Rust, author property-based tests, and develop Nix build/deployment logic.

AI API JavaScript Jupyter Rust +1 skills
160K – 220K $
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Antithesis
11 views 3 months ago

Manager, Solutions Engineering

Open 77d On-siteUK 4 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United Kingdom
London

About Antithesis We’re on a mission to redefine how modern distributed systems are tested and released. Our platform is trusted by engineering teams who demand rock-solid reliability, scalable performance, and deep…

Bash Containerization Distributed Systems Docker JavaScript +6 skills
170 – 185 £
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Antithesis
13 views 3 months ago

Senior Systems Engineer, Database

Open 83d On-siteNorth AmericaSenior 4 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
Vienna, VA

About Antithesis We've been quietly reinventing how the world thinks about software reliability, and we're just getting started! At Antithesis, we start at the foundations – we run entire software systems inside a…

AI Analytics AWS Backbone.js JavaScript +4 skills
170K – 250K $
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Antithesis
13 views 7 months ago

Senior Solutions Engineer

Open 141d On-siteNorth AmericaSenior 4 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

About Antithesis We’re on a mission to redefine how modern distributed systems are tested and released. Our platform is trusted by engineering teams who demand rock-solid reliability, scalable performance, and deep…

Bash Containerization Customer Onboarding Distributed Systems Docker +9 skills
175K – 220K $
 Sign in to see your match