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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

7 jobs
Antithesis
16 views 4 weeks ago

Business Development Representative

Open 28d On-siteNorth America, UKInternshipIntern 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.
Vienna, VA

About Us 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 technical…

Business Development Distributed Systems Event Driven Architecture Proof of Concept Salesforce
80K – 85K $
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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
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
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
7 views 3 months ago

Senior Field Marketing Manager

Open 84d On-siteUKContractSenior 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 Cloud Contract Negotiation Demand Generation Distributed Systems +4 skills
75K – 105K £
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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 $
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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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