Backend Jobs in Stuttgart for English Speakers

This freelance opportunity involves working on project-based tasks to train AI models in understanding and generating human-like text. The role requires crafting original, clear, and fact-checked content, generating challenging prompts for AI, and defining scoring criteria to evaluate AI responses, maintaining high …

A rapidly growing international sports technology company is seeking a Senior Commercial Manager to lead the day-to-day operations of the sales function and manage key commercial areas. The role involves driving revenue, coordinating cross-functional teams, managing complex sales deals, overseeing sales performance …

A growing international sports technology company is seeking a Marketing Operations Manager to lead the day-to-day operations of the marketing department. This role involves coordinating projects, managing partnerships, executing marketing campaigns, handling event participation, and overseeing marketing tools and performance. The manager …

Opportunity for computer science experts to participate in project-based AI tasks for tech companies. Contributors will design and evaluate AI problems, validate simulations using Python and other languages, and collaborate with an international community maintaining high scientific standards. Part-time, non-permanent work with …

We are seeking a Material Engineer who will be the theoretical and practical expert in our core material stack, focusing on lithium niobate. This role involves characterizing, developing, and understanding base materials to improve photonic integrated circuits. You will work closely with …

Join a Data Platform Team as a working student and contribute to building and maintaining data engineering solutions focused on web scraping pipelines. Collaborate with data engineers and product owners, documenting and presenting your work in English within an international, agile team …

Seeking an experienced Data Scientist for freelance, project-based AI training roles involving designing and solving complex data science problems across various industries. Projects require advanced Python and SQL skills, strong statistical and machine learning knowledge, and proficiency in AI technologies. Work is …

Join a remote freelance opportunity working on AI annotation projects. The role involves reviewing and labeling AI-generated content in text, images, or videos according to guidelines. Tasks are project-based and flexible, suitable for professionals with advanced English skills and interest in technology …

Seeking a freelance Optical Engineer to engage in AI training projects focused on testing and improving AI systems through complex optics problem design and physics research workflows. Requires physics degree and professional experience, strong numerical simulation and creative problem design skills in …

This is a freelance, project-based opportunity for legal consultants or attorneys with experience in US law to work on AI-related projects. Contributors will generate prompts, evaluate AI-generated solutions, and improve AI reasoning in accordance with legal standards. The position requires strong written …

Seeking a Freelance Junior Journalist to work on part-time, project-based AI training tasks. Role involves crafting clear, fact-checked responses, generating prompts, defining scoring criteria, and maintaining style and quality standards to help improve AI text generation. Requires bachelor’s degree in Journalism, Communications, …

Join a fast-growing text-to-speech software company with a fully remote global team. Lead Android app development, owning features, improving reliability, and shaping the future of the Android team. Work in a startup-like, entrepreneurial environment focused on delivering innovative audio and AI-based products …

Join a fast-growing tech company dedicated to making reading accessible for millions through innovative text-to-speech products including web and Chrome extension applications. The role involves leading product development in a remote, fast-paced environment, working closely with cross-functional teams to deliver impactful features …

Seeking a Technology Strategist to support major command headquarters in adapting to evolving mission demands and technology landscapes. The role involves assessing current capabilities, identifying technology improvement opportunities, and developing strategies for technology adoption and modernization. The position requires experience in technology …

This role is a freelance, part-time AI Trainer focused on writing and training AI models to generate human-like text. Contributors craft original, fact-checked content according to project guidelines, collaborate with quality specialists, and help improve AI reasoning and clarity. Applicants should have …

Seeking an experienced freelance Data Scientist with expertise in Python and SQL to contribute to AI system testing and improvement projects with leading tech companies. The role involves designing complex, real-world data science problems across various industries, utilizing advanced Python libraries and …

A company is seeking experienced strategy consultants with 3+ years at top-tier firms to develop and evaluate AI learning environments based on real-world consulting projects. The role involves creating realistic project scenarios, designing structured tasks for AI systems, and developing evaluation criteria …

A freelance opportunity for US-qualified legal professionals to participate in project-based AI evaluation and training. Tasks include generating prompts, evaluating AI solutions, and improving AI reasoning in alignment with legal principles. Requires US law degree, legal practice experience, and strong English skills. …

This freelance opportunity involves working on project-based AI initiatives for leading tech companies, focusing on designing and solving complex computational data science problems using Python and SQL. Tasks include developing reproducible problems grounded in real business challenges across various industries such as …

Seeking experienced strategy consultants with 3+ years at top-tier firms (e.g., McKinsey, BCG, Bain) to design AI learning environments based on authentic consulting projects. Role involves structuring real-world consulting scenarios, defining tasks, evaluation criteria, and deliverables to train AI systems remotely on …