Backend roles for English-speaking candidates working on APIs, services, databases, infrastructure, and distributed systems. This page is filtered to active listings in Frankfurt.
A global industrial software company is hiring a Learning Technology Specialist to join their Learning Excellence team. The role involves administering and enhancing the LMS platform to deliver scalable, high-quality learning experiences to customers worldwide. Responsibilities include platform administration, integration with third-party …
Join a leading global data center provider as a Senior Design Solution Engineer focusing on mechanical engineering disciplines. The role involves leading mechanical scope definition for data center fit-out projects, coordinating multi-disciplinary design teams, managing external vendors, and ensuring high-quality tenderable solutions. …
Mechanical DesignProject ManagementAutoCADBIMData Center EngineeringCapacity Planning
Seeking freelance English writers to contribute to AI training by creating clear, fact-checked, and stylistically consistent content. This is a part-time, project-based role involving crafting text that helps train AI systems in reasoning and clarity. Ideal candidates hold a bachelor's degree and …
English writingContent creationFact-checkingAttention to detailAI training
This freelance opportunity connects experienced data scientists with project-based AI training roles for leading tech companies. Contributors design and solve complex data science problems simulating real-world analytical workflows using Python, SQL, and machine learning. Projects involve computationally intensive tasks in various industries …
Seeking experienced strategy consultants with 3+ years at leading top-tier firms to build realistic consulting project scenarios for AI training. Role involves creating structured tasks and evaluation frameworks from genuine consulting engagements to enable AI systems to learn high-level business reasoning. Remote, …
structured problem-solvinghypothesis-driven thinkingfinancial modelingmarket analysisdata synthesisclient deliverable production
This freelance project-based opportunity involves working remotely on AI system evaluation and improvement tasks for leading tech companies. The role requires a US-qualified legal professional with experience in US law to generate prompts, evaluate AI-generated legal solutions, and help improve AI reasoning. …
US lawLegal practiceEnglish proficiencyAI system evaluationAI prompt generationLogical reasoning assessment
Seeking a freelance Data Science Engineer for project-based AI opportunities with leading tech companies. The role involves designing and solving complex data science problems using Python and SQL, focusing on real-world business challenges across various industries. Work is part-time and non-permanent, with …
Seeking a Healthcare Solutions Principal responsible for commercial and technical leadership in healthcare and life sciences data solutions. This role involves architecting and managing specialized healthcare data infrastructure solutions, driving market growth, technical validation with partners, and enabling global sales teams. The …
Solution ArchitectureHealthcare Industry KnowledgeLife SciencesCommercial StrategyTechnical LeadershipProject Management
Seeking a Quality Manager for a leading full building envelope contractor operating across Europe. Responsible for overseeing Quality Assurance on site-based projects, ensuring compliance with standards and specifications in roofing, cladding, curtain walling, and related installations. The role involves managing QA documentation, …
Join a remote freelance project to develop domain-specific reinforcement learning environments and evaluation frameworks tailored to management consulting. The role involves designing detailed project scenarios based on authentic consulting engagements from top-tier firms to enhance AI learning in business reasoning. Candidates must …
We are seeking a Senior Data Scraping Engineer experienced with Python to work remotely on freelance projects involving advanced data extraction and processing. The role involves collaborating with AI systems and human agents to deliver accurate, structured datasets from complex web sources …
Seeking a freelance Python Data Scraping Engineer to work remotely on data extraction and processing projects. The role involves building and maintaining complex web scraping workflows using tools like BeautifulSoup, Selenium, Apify, and OpenRouter. Candidates should have strong experience in handling dynamic …
Join a leading data centre construction company offering a Graduate Programme across multiple European sites including Germany. Gain hands-on experience in electrical engineering on large-scale projects, involving design, installation, commissioning, and coordination of electrical systems. Develop skills in site inspections, health and …
Electrical system designInstallationCommissioningTechnical drawing interpretationSite inspectionHealth and safety compliance
Join a dedicated data centre construction company offering a Graduate Mechanical Engineer role across Ireland and Europe, including Germany. This position provides hands-on experience in mechanical system design, installation, and commissioning on large-scale projects within the construction industry. The role involves planning, …
We are seeking a Backend Engineer to help shape and enhance a highly available, scalable container infrastructure in a cloud public environment. The role involves designing, implementing, and optimizing solutions using Kubernetes, Docker, and CI/CD pipelines, working with microservices architectures and REST …
Seeking a freelance Contracts Attorney experienced in US law to join project-based AI system evaluation and improvement efforts. The role involves generating prompts, assessing AI solutions, and improving AI reasoning. Requires a US legal degree, minimum 2 years of legal practice, and …
US LawContract LawLegal ConsultingEnglish ProficiencyAI TrainingAI Evaluation
Seeking a US-qualified corporate attorney with 2+ years of practice experience for freelance, project-based work evaluating and improving AI systems. Tasks include generating challenging prompts, evaluating AI-generated solutions, and applying scoring criteria to assess AI reasoning. Requires strong English proficiency and stable …
US lawLegal consultingEnglish proficiency C1/C2AI evaluationPrompt generationAI systems testing
Join a leading energy company undergoing digital transformation to help shape and implement technology strategies aligned with business goals. The role involves advising on technology utilization, focusing on CRM and billing platforms, and leading organizational change in a multinational setting. The position …