Customer Success Manager

Humaans
LondonPosted 21 April 2026

Job Description

Customer Success Manager ABOUT US Humaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries. What started as a system of record has evolved into a broader platform for operating people globally. With Athena, our agentic AI layer, Humaans moves beyond data management into intelligent orchestration, connecting workflows across HR, IT, Finance, and Operations so organisations can act faster and with greater confidence, redefining how work gets done. We work with ambitious teams across Europe and the US, from AI-native companies like Lovable, Poolside, Fyxer AI, and Tandem Health, to established, high-growth organisations scaling internationally and through acquisition, including Quantexa, Sellpy, Manychat, Gigs, Croud, and Threecolts. These teams don’t buy software for features,they buy leverage. The ability to run faster, cleaner, and with more control as complexity compounds. To date, we’ve raised $20m in venture funding from some of the most respected founders, operators, and funds in technology: Lachy Groom (Physical Intelligence), Stewart Butterfield (Slack), Tobias Lütke (Shopify), Dylan Field (Figma), Jeff Weiner (LinkedIn), Claire Johnson (Stripe), Oliver Jay (OpenAI), Jay Simmons (Bond) as well as Y Combinator, Moonfire, Frontline Ventures, Pathlight Ventures, and Exor. If you have massive ambition and want to work on a hard problem, with a small team that moves fast, at a moment when the category is genuinely up for grabs - this is it. THE OPPORTUNITY We've just launched Athena, an agentic AI workforce built for People teams. Athena builds specialist AI agents that answer, assign, and act across your existing stack, from onboarding to payroll. We're looking for a Customer Success Manager who will pioneer how our customers adopt and extract value from this technology. This role is for someone who is using AI to draft success plans, synthesise customer data, and move faster than a traditional CSM. THE ROLE You'll manage a portfolio of our strategic customers . But this isn't traditional CS, you'll be at the frontier of AI adoption in HR tech. - Own the end-to-end customer relationship for strategic accounts, from onboarding through renewal and expansion - Conduct deep-dive discovery to define customer objectives, requirements, and the operational landscape needed to successfully deploy our solutions. - Guide customers in tailoring and optimising our AI agent capabilities to solve unique operational challenges and maximise end-user resolution rates. - Use AI tools to draft QBR materials, summarise call transcripts, flag account risk signals, and build repeatable assets faster - Proactively analyse performance data to track AI effectiveness, drive continuous improvement, and ensure customers realise measurable value (e.g., deflection, quality, CSAT). - Build and execute success plans that tie platform usage and adoption to measurable business outcomes - Identify and close expansion opportunities across your portfolio, working closely with Sales on new logos - Act as the voice of the customer internally, closely collaborating with Product and Engineering to feed insights back and shape the roadmap - Develop playbooks, frameworks, and best practices for AI-enabled customer success as the function scales - Monitor account health proactively, mitigating churn risk before it materialises WHAT WE'RE LOOKING FOR - 4+ years of experience in Customer Success, Account Management, or a related customer-facing role, ideally in B2B SaaS. If you’ve not worked in customer facing roles but have people ops experience specifically in helping companies to drive AI efficiency, we’d be keen to hear from you. - Customer-Centric: Deeply customer-obsessed, driven by delivering real, measurable business outcomes and value - Genuinely product-centric — you understand how software works, you're curious ... (truncated, view full listing at source)
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