Customer success and support jobs at European startups (November 2026)

Warsaw-based sun.store runs a B2B marketplace for solar equipment in Europe and ranked 13th on the Sifted 100 (DACH & CEE, per mamstartup.pl); German or French plus English required.

Paris-based Shine offers business accounts and invoicing for small businesses and, per the job ad, serves 400,000+ businesses; French and English required.

Smartly automates social media advertising for 700+ brands and has 750+ people in 13 countries (per the job ad); you own your own accounts from week one.

Vienna-based fonio builds AI phone agents for small businesses; it grew from $1M to $10M ARR in under 12 months and has 10,000+ customers.

Dublin-based LearnUpon runs an online training platform used by 1,600+ organisations worldwide.

Vienna-based Bitpanda (founded in 2014) is an investing platform with 7M+ customers.

Viktor builds an AI coworker that works inside Slack and Microsoft Teams; raised a $75M Series A in May 2026, office in Warsaw. You support users in writing, with on-call shifts on weekends and at night; 2+ years of written support at a SaaS company. On-site in Warsaw, excellent written English.

Berlin-based Karla gives online shops parcel tracking, post-purchase customer messages and automated claims. You look after the e-commerce brands that use it; a few years in customer success or e-commerce marketing. Berlin hybrid or remote; German and English required.

Warsaw startup whose AI agents handle customer service for InPost, Empik and Decathlon. You help big brands roll out and grow their bot. Three years with B2B customers, Polish required.

Norwegian startup whose software connects EVs, heat pumps and batteries to the power grid. You look after energy companies rolling out their system. Two years in customer success or consulting; fully remote in Europe, Oslo office optional.

Paris cloud phone system for sales and support teams (unicorn). Looking after smaller customers by email and webinars, no one-to-one meetings. Entry-level: a first CS or sales experience; French and English.

Paris cloud phone system (unicorn). You answer customers' product questions and solve first-line technical problems. Software support experience, English.

Vienna AI company monitoring supply-chain risk; customers include BMW, Hilti and Lufthansa. First-line help for companies using the platform. 1–4 years in a customer-facing role, English.

Berlin startup building AI for industry. Looking after large manufacturing customers after rollout: results, growth, renewals. 3+ years in B2B customer success, English.

Dutch payments, 250K businesses, 950+ people. You lead the largest customers from contract signature to go-live; 3 years of implementation experience, Polish and English.

Energy trading; customers are engineers and asset operators. The entry version: what counts is how you work and that you understand the energy market. German C1, English B2.

Wrocław healthtech, AI symptom assessment for insurers and hospitals. You own the customer from solution design to long-term adoption; 4+ years in implementation or consulting.

Munich compliance-automation startup (remote team, hubs in Munich, Berlin and London; SOC 2, ISO 27001). German-speaking mid-market customers, remote from Poland.

French unicorn, accounting and finance SaaS for SMBs. Onboarding German accounting firms, remote.

French unicorn, accounting and finance SaaS for SMBs. Customer success for accounting clients, German-language, remote.

Munich compliance-automation startup (remote team, hubs in Munich, Berlin and London; SOC 2, ISO 27001). German-speaking customers, remote from Poland.

French unicorn, accounting and finance SaaS for SMBs. German partners, German-language, remote.

B2B packaging marketplace from Berlin, a 2021 startup. Onboarding customers onto the platform, German-language.

One API for HR, payroll and recruiting systems. 20 people, founded 2022.

AI quote and order automation for industrial distributors. 20 people, founded 2025.