Customer Success Manager

About Antithesis

We’re not just part of the tech industry—we’re ahead of it. As one of the most exciting and innovative companies in the DC metro area, we are on a mission to reshape the future of software development. Based in Northern Virginia, Antithesis is a well-funded deep tech software company that has emerged from stealth after five years of groundbreaking development. Our suite of autonomous software reliability and testing products is creating a new product category and transforming how companies build software.

Our journey began with a bold objective: to build what most engineers considered impossible. And we delivered. Our autonomous testing platform’s debut captivated attention on the front page of Hacker News for three days straight, sparking conversation and controversy. Read it for yourself here:

Today, as serious tech companies recognize the power of what Antithesis offers, the demand for our platform is growing exponentially. Our client list reads like a who’s who of leading tech firms, and our growth is only accelerating.

We are on a relentless pursuit of excellence, driven by a team that believes in the long-term impact of our work. Our office is a hub of innovation—collaborative, technically skilled, and customer-focused. Here, every day presents a new challenge and an opportunity to achieve something great. We tackle these challenges together, in an environment that values fun and creativity as much as it values hard work and results.

As we expand our team, we’re seeking ‘unicorn talent’—exceptional professionals who are not only highly skilled technically but also excel in customer engagement. If you thrive in a fast‑paced environment where innovation meets impact, Antithesis is your arena. Here, you won’t just meet your potential—you’ll redefine it.

Join us, and be a part of a visionary team shaping the future of software development, building revolutionary products, and enjoying every step of the journey.

As a Customer Success Manager (CSM) at Antithesis, you play a critical role in the post‑sale journey of our customers. You are the key point of contact, dedicated to ensuring our clients achieve their strategic objectives using our autonomous software testing platform. Your efforts directly influence customer retention and Net Revenue Retention (NRR), underscoring the importance of your role in our company’s success.

In this position, you will build and maintain strong relationships with customers, acting as a trusted advisor and advocate. You will be instrumental in translating customer interactions into actionable insights that help shape product improvements and strategic decisions. Your role is pivotal in bridging the gap between Antithesis and our customers, ensuring that their feedback and needs guide our innovation and service enhancements.

This role demands strong technical proficiency, excellent communication skills, and a deep understanding of software development, QA, and Dev Ops practices. Your ability to navigate complex customer dynamics and drive successful outcomes will be key to your success. You should also expect occasional travel to meet with clients and strengthen these essential relationships.

• Leading Customer Onboarding: Guide customers through a structured onboarding process in collaboration with the Professional Services team to ensure a smooth start, quick time‑to‑value, and tailored solutions.

• Driving Product Adoption: Foster deep understanding and effective use of the platform’s key technical features through training, resources, and workshops to ensure customers mature their operations and meet their strategic goals.

• Monitoring Customer Health and Managing Risk: Monitor customer health using metrics like product usage and support interactions, identify at‑risk accounts early, and implement strategies to mitigate churn risks, addressing potential risks proactively to ensure long‑term customer success.

• Proactively Managing Customer Relationships: Act as the primary contact for assigned accounts, developing trust‑based…