Top Tech Jobs & Startup Jobs in Berlin

Manage billing and account support across email and live chat for global InvestingPro subscribers. Handle cancellations, retention and win-back conversations, refunds, billing questions, payment updates, invoices, and subscription changes. Use AI-assisted tools to draft and translate responses, assess refund eligibility, resolve administrative issues, and escalate complex technical or financial product questions. Maintain high accuracy, efficiency, customer satisfaction, and retention.

Support the Business Development Director by identifying new niches and prospects, building pipelines of creators/influencers, maintaining lead records, optimizing the sales funnel, and proposing process improvements.

Lead the AI function, define roadmap, and build production generative AI systems (voice, chat, document). Split time between hands-on engineering (~40%) and leading the AI team, establishing RAG/agentic workflows, evaluation, observability, and best practices. Collaborate with product and engineering to deliver reliable, user-focused AI features.

Lead architecture and development of mobile apps for Web3 products. Define mobile standards, integrate wallets and blockchain networks, drive performance and reliability, mentor engineers, own releases and product stability, and collaborate with product, design, and backend teams.

Sell Sphere's compliance AI platform across Europe: full-cycle outbound and account expansion, close SMB and mid-market deals, build GTM playbooks and revops stack, and scale the EMEA sales function with the Founder.

Design, develop, and maintain server-side Java applications and scalable APIs. Work with relational and NoSQL databases, integrate third-party services, implement security best practices, optimize performance, test backend components, document systems, and collaborate with front-end, QA, and design teams.

Seeking a Senior Full-Stack Engineer to develop AI-driven web and mobile applications, focusing on scalable architectures and API integrations. Collaborate with product teams to translate features into technical solutions.

Develop and support real-time multi-axis motion control applications, commission and troubleshoot systems, optimize electromechanical performance, deliver demos and technical training, collaborate with R&D, write application notes and build customer/partner relationships. Frequent customer travel within the DACH region required.

The Business Development Manager will master science and business skills, reach out to customers, manage negotiations, and support marketing efforts.

Lead end-to-end ML work: define product problems as ML tasks, prototype and ship models (ranking, retrieval, LLM agents), build evaluation and monitoring, and measure marketplace impact (bookings, retention, GMV). Collaborate with engineering, product, and growth to deploy production models and improve LLM reliability.