Top Tech Jobs & Startup Jobs in London

Drive outbound sales and full-cycle deal execution, from prospecting and qualification through product demonstrations and closing. Manage pipeline activity in HubSpot, meet sales targets, build consultative relationships with partnership and revenue leaders, develop market expertise, and provide customer feedback to the product team.

Own EULER’s data lifecycle, including instrumentation, validation, reconciliation, privacy, anonymization, canonical data modeling, analytics datasets, documentation, and production pipelines. The role requires strong SQL, software engineering practices, independent ownership, skepticism toward data quality, and clear communication. Preferred experience includes GDPR/LGPD, multi-tenant B2B SaaS, dbt, statistics, Cloudflare Workers, Postgres, Parquet, DuckDB, and Bubble.

Provides technical customer support for a B2B SaaS platform through email, Slack, and support tickets. Troubleshoots integrations, APIs, data synchronization, configurations, and customer environments by analyzing logs and testing solutions. Owns issues through resolution, communicates clearly with customers, escalates reproducible bugs to Engineering, and develops documentation and knowledge-base content. Identifies recurring support patterns and proactively recommends improvements.

Owns EULER’s post-sale customer success strategy, retention, expansion, adoption, and churn outcomes. Leads and develops the Customer Success team, builds scalable lifecycle playbooks, defines health scoring and success standards, manages strategic accounts, and partners with Sales, Product, and Engineering. The role also oversees customer reporting, risk identification, hiring, onboarding, and continuous improvement in a high-growth B2B SaaS environment.

Own the end-to-end B2B SaaS customer onboarding experience from contract signature through go-live. Design and improve onboarding workflows, deliver product training, align customer success goals, manage cross-functional handoffs, track activation and time-to-value metrics, and surface customer feedback to Product. The role requires managing multiple engagements, building scalable onboarding processes, and ensuring customers achieve early and lasting value.

Lead and mentor the UX/UI design team while remaining hands-on across product design. Own the end-to-end UX/UI vision, design system, prototyping, research, usability testing, engineering handoff, and design metrics for a multi-sided B2B SaaS platform. Partner closely with product and engineering, guide AI-assisted design workflows using Figma and Claude, and improve adoption, engagement, and task completion.

Lead customer onboarding, training, technical support, relationship management, success planning, retention, renewals, and expansion for B2B SaaS customers. Monitor customer health, usage, CSAT, NPS, and lifetime value while escalating technical issues and advocating for product improvements. As the first Customer Success Manager, establish customer-facing processes and help shape the future customer success organization.