2259 English-speaking jobs in Berlin

About IvyIvy is building the world's first programmable bank. We know the bank of the future is going to be fully regulated and stablecoin-native. We believe that the crypto folks are too afraid of full bank charters, while the bank folks know too little about crypto to pull it off. We believe there's a trillion-dollar opportunity to launch regulated banks built on the blockchain.

Leads Orcrist's Internal IT function, ensuring reliable devices, secure systems, and seamless access to tools. Builds and manages end-user computing, identity and access, internal SaaS administration, and IT service delivery. Owns onboarding/offboarding, endpoint management, and IT service desk operations. Partners with Security, Platform/Engineering, People Ops, and Workplace.

Freelance English writers train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors create original, fact-checked responses, collaborate with Quality Assurance Specialists, and adhere to style and quality standards.

Freelance annotators review and classify text, images, or videos to train AI models. Projects may include rating content, evaluating accuracy, or identifying sensitive material. Requires a bachelor's degree, 1+ year of professional experience, advanced English proficiency, and strong attention to detail. Compensation is project-based and up to $22 per hour.

Research Assistant (f/m/d) to collaborate on research projects, contribute to publications, and present findings at seminars and conferences. Must have a postdoctoral research profile in mathematical statistics, nonparametric statistics, nonparametric Bayesian methods, and the mathematical foundations of machine learning.

AI Engineer will design and implement AI/ML pipelines, including LLM-based applications and vector retrieval systems. Responsibilities include building production-grade AI integrations in Python, applying enterprise AI patterns, and collaborating with Data Scientists. Experience with LLMs, GenAI frameworks, and Python is required.

DataForce by TransPerfect seeks doctoral-level STEM experts (Physics, Chemistry, Biology) to design complex scientific problems for AI training. You will create "stumper" prompts, test them against LLMs, document their failures, and provide expert solutions. Requires deep subject-matter expertise, scientific reasoning, and proficiency with digital documentation tools.

Operations / Workforce Manager will oversee daily operations, workforce management, and process improvement. Requires a Bachelor's degree, 4-6 years of experience, and proficiency in project management and productivity software.

The Leipzig Cohorts and Trial(ist)s (LeiCoT) program seeks a recognized medical specialist with a strong research background in metabolism, brain/heart, or cancer. The program offers a six-year, fixed-term position with 50% research and 50% clinical work.

Supports regional sales organizations in EMEA and other priority markets, shaping the go-to-market strategy for Battery Energy Storage Systems (BESS). Focuses on market development, commercial structuring, and deal support. Requires 5+ years of experience in the energy, power, or infrastructure sector, preferably with BESS, renewables, or grid technologies.

Lead the German market expansion for a profitable, AI-powered EdTech company. Architect the DACH sales engine, mapping complex B2G environments and driving deals from cold outreach to signature.

Senior Sales Manager will drive growth and performance of the wholesale business across key markets. Responsibilities include managing global key accounts, developing wholesale acquisition strategies, leading sales campaigns, and overseeing aftersales processes. Requires 5+ years of experience in wholesale sales management within the fashion, luxury, or premium retail industry.

Lead Fullstack Engineer (f/m/x) will drive the modernization and cloud migration of a global trading platform. Responsibilities include enforcing architectural standards, migrating backend services, designing React-based web interfaces, and ensuring compliance with regulations.

Freelance data annotators review and classify text, images, or videos to train AI. Projects are available on an as-needed basis and compensation varies. Requires a bachelor's degree, 1+ year of professional experience, advanced English proficiency, and strong attention to detail.

Beauty Advisor needed with 1-2 years of cosmetic retail experience. Must have a passion for client service, artistry, and a proven track record of meeting sales targets. Responsibilities include delivering exceptional client service, providing product education, and maintaining visual merchandising standards.

Partner Sales Executive will build and manage partner-led business in EMEA. Responsibilities include recruiting, onboarding, and enabling partners to achieve revenue and profitability goals. The role requires proven quota-exceeding experience, strong prospecting skills, and proficiency in various software applications.

Lead and coach a team of data scientists and operations research scientists to develop data-driven solutions and platforms for global logistics optimization. Collaborate with machine learning manager, product, and engineering teams to build and deploy machine learning and optimization services. Present actionable insights and influence strategic direction.

Who We Are - Our Missionterralayr addresses the massive deficit in global energy storage. The over-indexing of electricity generation from renewable energy sources leads to large volatility on the energy grid. The main problem is that wind and solar farms are fluctuating and, by definition, unsteady—there is no sun at night, and it is not always windy.

Develop strong customer relationships and provide impactful payments insights to help merchants grow. Drive commercial discussions and identify commercial opportunities. Act as a trusted partner, delivering expertise and payment guidance.

Design and build automated testing frameworks for a cloud-native insurance platform. Develop and maintain testing pipelines for distributed microservices, ensuring correctness across complex workflows. Collaborate with engineering teams to improve system reliability and testability.