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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

12 jobs
Antithesis
12 views 3 days ago

Vice President of Customer Experience

Open 135d On-siteNorth AmericaFull-timeC-level Salary + equity 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 Antithesis helps engineering teams find and fix bugs that traditional testing misses. Our platform runs entire systems in a deterministic simulation, breaks them in every imaginable way, and provides…

AI Analytics Automation Cloud CRM +12 skills
215K – 265K $
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Antithesis
12 views last week

Manager/Lead, Deal Desk

On-siteNorth AmericaContractLead 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

Manager / Lead, Deal Desk About the role As our first Deal Desk hire , you will build and run the function from the ground up. You will report into the Revenue Operations function and partner with Sales, Finance and…

AI AWS CPQ CRM Financial Modeling +1 skills
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Antithesis
9 views 4 weeks ago

Senior Account Executive - PNW

Open 28d 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 Antithesis helps engineering teams find and fix bugs that traditional testing misses. Our platform runs entire systems in deterministic simulation, exploring how they can fail, and gives engineers the…

Account Executive AI Business Development Cloud Observability +3 skills
275K – 320K $
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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
33 views last month

Applied AI Software Engineer

Open 62d On-siteNorth AmericaFull-time 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

Build AI-native, full-stack tools and agent workflows for Antithesis's go-to-market teams (Sales, Marketing, RevOps), from automations to production apps for research, enrichment, and account scoring. Current stack includes TypeScript, React, LangChain, and AWS, with integrations into Salesforce, Marketo, and Gong.

AI AWS Distributed Systems Go-to-Market HubSpot +7 skills
155K – 185K $
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Antithesis
6 views 2 months ago

Billing & Revenue Ops Manager

Open 58d On-siteNorth AmericaContract 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

About Antithesis We build a platform that finds the bugs other testing approaches never see. Antithesis runs your entire system inside a deterministic simulation, breaks it in every way we can think of, and hands you a…

Accounts Receivable AI Automation CRM ERP +2 skills
130K – 160K $
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Antithesis
15 views 3 months ago

Senior Backend Engineer

Open 83d On-siteNorth AmericaContractSenior 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

Design and build core backend systems and a custom database (Pangolin) for a platform that simulates and breaks software to improve reliability.

AI API C++ Distributed Systems Observability +1 skills
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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
11 views 9 months ago

Senior Account Executive

Open 141d On-siteNorth America, UKSenior 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.
London

About Antithesis Antithesis helps engineering teams find and fix bugs that traditional testing misses. Our platform runs entire systems in a deterministic simulation, breaks them in every imaginable way, and provides…

Account Executive AI Root Cause Analysis SaaS Sales Engineering
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Antithesis
10 views 9 months ago

Senior Account Executive

Open 141d RemoteNorth 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
New York

About Antithesis Antithesis helps engineering teams find and fix bugs that traditional testing misses. Our platform runs entire systems in a deterministic simulation, breaks them in every imaginable way, and provides…

Account Executive AI Fintech Root Cause Analysis SaaS +1 skills
275K – 320K $
 Sign in to see your match
Antithesis
12 views 10 months ago

Software Engineers | All Levels

Open 141d On-siteNorth America 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 provide a platform that enables engineering teams to identify and resolve bugs that traditional testing approaches miss. Antithesis runs your entire system in a deterministic simulation, breaks it…

AI C++ Rust TypeScript
120K – 200K $
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Antithesis
21 views 10 months ago

Engineering Manager

Open 141d On-siteNorth America 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 C++ Developer Experience Distributed Systems Infrastructure as Code +7 skills
185K – 250K $
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