Top Tech Jobs & Startup Jobs

Own the Smart Risk Engine for a B2B mobility and payments platform. Develop statistical, machine learning, and AI models; build cloud-based end-to-end ML pipelines; manage training, calibration, backtesting, monitoring, drift detection, and explainability. Create credit-risk use cases including early-warning systems, loss databases, exposure steering, and portfolio insights. Partner with senior stakeholders, translate analytics into business recommendations, and mentor Data Scientists. German and English fluency are required.

Own and develop the Smart Risk Engine end-to-end: feature strategy, model training, calibration, backtesting, drift monitoring, and explainability. Build cloud-based data science solutions and robust MLOps pipelines. Design credit-risk use cases (early-warning, loss databases, exposure steering, portfolio insights), collaborate with stakeholders, and mentor junior data scientists to drive measurable business impact.

Build and lead Optiml’s People function from scratch, owning recruiting, onboarding, offboarding, performance management, employee relations, culture initiatives, HR operations, compliance, and people technology across Switzerland, Germany, and the UK. The role designs automated workflows, supports compensation and benefits, partners with founders and hiring managers, and helps scale a distributed team.

Support multiple portfolio companies on sales, GTM, RevOps and commercial transformation: generate leads, run outreach, set up and optimise CRM, conduct market research, implement commercial processes, and analyse data to improve growth.

Support founders by designing and optimising processes, managing operations and projects, preparing presentations, tracking initiatives, organising events, and providing on-the-ground support in Berlin and on regular international trips.

The Senior Backend Engineer will lead backend system ownership, mentor engineers, improve infrastructure, and collaborate with teams on business alignment.

The Founder Associate role focuses on sales management, business development, and market strategy for a supply chain platform, engaging with clients and managing leads.

Own end-to-end product design as the first dedicated designer, including user research, discovery, prototyping, experimentation, UI, interaction design, measurement, and iteration. Build and maintain the product design system while also shaping the company’s website, brand, decks, and marketing visuals. Collaborate closely with founders and engineering in a fast-moving, AI-native public procurement startup environment.

Own the full B2B sales cycle for mid-market and enterprise customers, from discovery through close. Manage complex procurement, legal, and compliance-heavy deals; build pipeline through inbound, outbound, and partner channels; maintain CRM hygiene and accurate forecasting; develop mutual action plans; and support positioning, pricing, messaging, and product feedback. The role also partners with founders to build a scalable sales operating system for an AI-enabled public procurement platform.

Run the B2B sales cycle from qualified demo through negotiation and close for a procurement SaaS platform. Responsibilities include discovery, demos, pipeline generation, outbound prospecting, mutual action plans, CRM management, forecasting, reporting, and selling to procurement- and compliance-focused buying committees. Partner with founders on messaging, pricing, and go-to-market improvements, while sharing customer and competitive insights with product teams.