Top Tech Jobs & Startup Jobs in Berlin

Lead strategy and roadmap for the Core Platform and Public API, drive discovery with customers and stakeholders, define and deliver features end-to-end, partner with Engineering to scope and ship work, improve developer experience and docs, and align cross-functionally for launches and adoption.

Develop, test, and deliver C++ features for a Windows-based 3D CAD system and supporting cloud services. Implement and prototype functionality, improve algorithms for performance, write unit tests, participate in code reviews, and collaborate with QA, product, and cross-functional teams to clarify requirements and ensure high-quality releases.

Design and maintain ETL/ELT pipelines and data warehouse architecture, analyze and visualize data with SQL/Python/R and BI tools, build machine learning models and A/B tests, and partner with engineering and business teams to deliver data-driven insights for fintech use cases (fraud detection, segmentation, forecasting).

Lead end-to-end annotation projects: define workflows, coordinate teams (annotators, reviewers, experts), track progress and quality via dashboards, manage launches and phase transitions, pilot tooling and methodology improvements, and build scalable operational systems and documentation to support annotator community and cross-functional alignment.

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.