Project details

Recommended projects

Senior Backend Engineer (m/f/d)

A company is building a platform that integrates movement, breath, and meditation into one place, aiming to contribute to a more mindful world. To support this mission, they are seeking a Senior Backend Engineer to help build and scale their microservices architecture, ensuring systems are robust, maintainable, and future-proof. The role involves working on backend services in Go, creating efficient gRPC APIs for service-to-service communication, managing builds, testing, and deployments using Bazel, and running services on Google Cloud Platform (GCP) with a focus on scalability and reliability. The engineer will contribute to a modular microservices architecture that supports a growing product.
Startup
Germany
100% remote

Technical Lead AI Training

A company is looking for a Technical Lead to oversee AI training projects. The role involves acting as a team lead and reviewer, ensuring technical quality across both frontend and backend development. The ideal candidate will contribute to the project's success by reviewing and approving tasks, mentoring junior developers, managing technical debt, and ensuring coherence between backend and frontend systems. The goal is to keep the project aligned with product objectives while maintaining high technical standards. Key responsibilities: - Act as team lead and reviewer for technical quality across frontend and backend. - Decompose features into tasks and guide junior developers. - Review and approve tasks to ensure alignment with product goals. - Mentor junior developers and foster their growth. - Manage technical debt and ensure coherence between backend and frontend systems. - Collaborate on system design, architecture, and code reviews.
AI Labelling Company
100% remote

Consulting for Data Center Migration of a Linux Landscape and IAM Platform (m/f/d)

Objective: Reorganize and migrate the existing Linux infrastructure and IAM platform into a hybrid target environment (on-prem + hyperscaler) Components: - Analysis & Target Architecture - Gather current Linux systems, workloads, and interfaces - Design a scalable and highly available target infrastructure (including network and storage concepts) - Define the target architecture considering scalability, security, and availability - Assessment of the Existing IAM Solution - Gather current IAM platform, workloads, and interfaces - Define the new target infrastructure (on-prem & cloud) - Integration of the Existing IAM Solution - Migrate and integrate the current IAM structure into the new target infrastructure (e.g. IDM, LDAP, Azure AD) - Architecture for centralized authentication & authorization across all target environments - SSO and MFA concepts including federation with hyperscalers (e.g. SAML, OIDC, SCIM) - Ensure auditability and compliance requirements (GDPR, ISO27001) - Migration Strategy - Define migration paths: lift & shift, replatforming - Define, plan, and orchestrate moves including downtime, fallback, and test plans - Automation & Standardization - Enhance IaC (e.g. Terraform, Ansible) - Build reusable system and security components - Hybrid/Multi-Cloud Architecture - Design and set up cloud connections (e.g. AWS, Azure, GCP) - Secure and federate cloud resources with the existing IAM - Introduce a consistent identity lifecycle - Handover & Documentation - Create operational, architecture, and security documentation - Conduct knowledge transfer workshops for operations and security
Telecommunications
Karlsruhe, Germany
100% remote
New

AI Trainer for Vibe Coding (m/w/d)

An AI Lab is looking for a AI Trainer for Vibe Coding. This role involves producing accurate, well-reasoned outputs across diverse domains, leveraging automation and AI tools. The position requires expertise in coding and optimizing Python scripts, handling large datasets, improving AI-generated content, and formatting and troubleshooting technical workflows. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Develop and optimize Python scripts for automation and AI tasks. - Handle and analyze large datasets efficiently. - Improve and refine AI-generated content for accuracy and quality. - Format and troubleshoot technical workflows to ensure smooth operations. - Collaborate with cross-functional teams to enhance AI tools and processes.
AI Lab
100% remote

Software developer for safety-critical systems (m/f/d)

A company is looking for an experienced software developer to build safety-critical systems for the defense sector. The goal is to design and deliver robust software solutions from concept through delivery. The focus is on applying modern technologies such as Java (Jakarta EE, Eclipse RCP, JavaFX, OSGi, JFoenix, EMF) and/or C++ (C++14/17) to develop high-performance applications for Windows and Linux (AlmaLinux/RHEL), including specialized hardware and embedded systems. The role includes the development and integration of various interfaces, such as for cryptography, mapping, or specialized hardware components. The candidate will work in agile processes and collaborate closely with colleagues, project teams, and customers. Quality assurance through automated tests and emulators in a CI/CD pipeline is a central part of the work. The projects are diverse and offer responsibilities in architecture, system integration, test automation, as well as specialized areas like GPU-based signal processing. Communication with internal and external stakeholders and close cooperation with project teams and customers are also part of the role. - Responsibility for the entire development cycle (requirements analysis, architecture & design, implementation, testing & validation) - Development of (hardware-near) applications
Software
Netherlands
100% remote

Data Engineer (m/f/d)

A company is looking for an experienced Data Engineer to build a central data hub for existing customer data. The project aims to consolidate the distributed data landscape of existing customer data and create a unified structure that enables data-driven initiatives. - Building a central data hub for existing customer data - Consolidating and standardizing data from different billing systems - Implementing semi-manual processes for data loading in the initial phase - Preparing and implementing full automation and system integration - Ensuring data quality and consistency - Supporting data-driven analyses and campaigns
Software
Germany
100% remote

Freelance Physics Expert (with Python) - Quality Assurance / AI Trainer

Generative AI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. Although every project is unique, you might typically: - Content Creation & Refinement: Create and refine content to ensure accuracy and relevance across a variety of topics in Physics, while also developing references and examples of tasks. - Experts Acquisition: Assess the qualification tests of experts, ensuring their competency. - Chat Moderation: Provide support by addressing project-related questions from other experts in Discord chats, especially those related to project guidelines. - Auditing Work: Review and evaluate tasks completed by other experts, ensuring they align with project guidelines. Provide constructive feedback, verify expertise-related information, and edit content as necessary to improve quality.
AI Studio
100% remote

Serrala Expert (m/f/d)

A company is looking for support in several key areas to ensure the successful Serrala implementation and the related optimization of S4 as well as associated processes and technologies. The goal of the project is to increase efficiency and functionality in the areas of Payments, Cash & Liquidity Management, Treasury, Analytics, and Project Management. Additionally, expertise in Fiori is needed to develop user-friendly and high-performance applications. The role involves collaborating with internal teams and stakeholders to achieve project objectives and implement innovative solutions. - Support the implementation of Serrala and S4 and optimize related processes - Provide consulting and implementation in Payments, Cash & Liquidity Management, and Treasury - Conduct analyses and create reports to support decision making - Manage projects and coordinate various project phases - Develop and optimize Fiori applications
Automotive Supplier
Iserlohn, Germany
100% remote

Head of Electronic Development (m/f/d)

A company is looking for an experienced Head of Electronic Development who will take on the technical and disciplinary leadership of a hardware and software development team. The goal of the project is to ensure the quality of technical deliverables, plan and execute strategic research and development, and optimize existing processes and systems. The role includes participating in agile project management, cost estimation and proposal creation, as well as team and capacity planning. The candidate will be responsible for the professional development of team members and will communicate closely with customers and suppliers. Key tasks: - Technical and disciplinary leadership of a HW+SW development team - Participation in agile project management, cost estimation and proposal creation - Team and capacity planning - Professional development of team members - Responsibility for the quality of formal and technical deliverables - Cost calculation and pricing of products, especially PCBA - Planning and execution of strategic research and development - Communication with customers and suppliers - Optimization of existing processes and systems
Manufacturing
Frankfurt, Germany
100% remote

Manufacturing Engineer (m/w/d)

- Planning, procurement, implementation and relocation of technical equipment and special facilities at home and abroad - Collaborating with purchasing to select suitable suppliers for production equipment - Acting as the interface between business unit, development and production - Supporting production during startup (SOP + approx. 6 months) - Capacity planning (product-specific equipment) for new projects - Coordinating and conducting equipment and process approvals (FAT & SAT) - Supporting quality planners in developing a quality concept - Creating requirement specifications for equipment to be procured and evaluating supplier specifications - Assisting in developing a packaging concept - Creating and maintaining subproject plans in coordination with all relevant departments for internal use - Supporting R&D in developing new, assembly-optimized products - Closely working with process development, special machine construction, assembly application tech, quality engineers, injection molding application tech and industrial engineers in the business units - Supervising, supporting and auditing suppliers (internal & external) of production equipment - Aligning production concepts with operations - Assisting in process development and production planning - Contributing to the creation of FMEAs - Taking on special tasks - Assisting in preparing the proposal concept
Manufacturing
Frankfurt am Main, Germany
50% remote

Freelance AI Red Team Engineer

GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: - Evaluate and red team AI models and agents and machine learning systems for vulnerabilities and safety risks. - Create offline reproducible & auto-evaluable test cases to test safety & capability of AI agents. - Develop and implement automation scripts, custom tools, environments and test harnesses. - Lead or contribute to security research initiatives, especially in AI safety, creating and implementing realistic and challenging attack scenarios for the model. - Advise on cybersecurity best practices and policy implications.
AI Lab
Munich, Germany
100% remote
New

Freelance Physics Expert for AI Model Training (m/f/d)

An AI lab is looking for a freelance physics experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in physics contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Evaluate AI models for physics applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Chemistry Expert for AI Model Training (m/f/d)

An AI lab is looking for a freelance chemistry experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in chemistry contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Evaluate AI models for chemistry applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Biology Expert for AI Model Training (m/f/d)

An AI lab is looking for a freelance biology experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in biology contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Evaluate AI models for biology applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Mathematics Expert for AI Model Training (m/f/d)

An AI lab is looking for a freelance mathematics experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in mathematics contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Evaluate AI models for mathematics applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Civil Engineer for AI Model Training (m/f/d)

A company is looking for a freelance Civil engineering experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in civil engineering contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. Key responsibilities: - Evaluate AI models for civil engineering applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Electrical Engineer for AI Model Training (m/f/d)

A company is looking for a freelance electrical engineering expert to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in electrical engineering contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. Key responsibilities: - Evaluate AI models for electrical engineering applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance Mechanical Engineer for AI Model Training (m/f/d)

A company is looking for a freelance mechanical engineering experts to evaluate AI models. The goal of the project is to assess the performance, accuracy, and reliability of AI models applied in mechanical engineering contexts. The role involves working closely with the development team to ensure the models meet industry standards and provide actionable insights. Key responsibilities: - Evaluate AI models for mechanical engineering applications. - Analyze model outputs and provide feedback for improvement. - Collaborate with the development team to ensure alignment with industry standards. - Document findings and recommendations for model optimization. - Conduct tests to validate model performance and reliability.
AI Lab
100% remote
New

Freelance AI Trainer - Writers (English) (m/w/d)

An AI Lab is seeking professionals experienced in working with tests to join their innovative team as English AI Trainers. The role involves crafting and editing texts, as well as evaluating AI-generated replies to ensure quality and accuracy. This position is ideal for individuals with expertise in writing, editing, and analyzing content, particularly in the context of AI and language models. As part of a cutting-edge AI lab, you will contribute to the development and refinement of advanced AI systems. This is a remote part-time role that can be flexibly tailored to your availability – from just a few hours per week to full-time. Key responsibilities: - Craft and edit high-quality texts tailored to specific requirements. - Evaluate and analyze AI-generated replies for accuracy, relevance, and quality. - Collaborate with teams to improve AI language models and content generation processes. - Provide feedback and suggestions to enhance AI performance. - Conduct research to ensure content aligns with industry standards and user expectations.
AI Lab
100% remote
New

Freelance Legal Experts for AI Training (m/f/d)

An AI Lab is seeking a legal expert to contribute to the training of their Large Language Model. The goal of the project is to enhance the model's understanding of legal concepts, terminology, and processes to ensure accurate and reliable outputs in legal contexts. The role involves working closely with the AI development team to provide legal expertise, curate relevant datasets, and validate the model's performance in legal scenarios. This is a remote, part-time role that can flex to your availability – from just a few hours per week up to full-time. Key responsibilities: - Collaborate with AI researchers to identify key legal concepts and areas for model training. - Provide expert insights into legal terminology and processes. - Curate and review legal datasets for training purposes. - Validate and test the model's outputs for accuracy and reliability in legal contexts. - Offer guidance on ethical and regulatory considerations in AI applications for legal use cases.
AI Studio
Munich, Germany
100% remote
New

Project Manager/Account Manager (Senior to Director) (m/f/d)

A company is looking for experienced project managers and account managers who can execute international campaigns on a hands-on basis. The role requires close collaboration with different markets and stakeholders to ensure campaigns are carried out effectively and on time. The position is ideal for candidates with extensive agency experience, especially in implementing traditional campaigns. Experience at renowned agencies like Media Monks or similar is a plus. Main responsibilities: - Planning, execution and monitoring of international campaigns - Close collaboration with international markets and stakeholders - Ensuring adherence to schedules and budgets - Coordination of teams and resources - Reporting and analysis of campaign results
Agency
Munich, Germany
100% remote

Frontend developer to HR platform with Angular experience

Reach out to us if you are interested in working with us on the project.
FRATCH
Munich
90% remote
Sign up to get access to more exciting projects that match your skills and preferences!

Senior Backend Engineer (m/f/d)

Sign up to view the number of applicants
Industries
Healthcare
Information Technology (IT)
Area
Information Technology (IT)

Project info

  • Period
    10.11.2025 - 10.05.2026
  • Capacity
    100%
  • Location
    Germany
  • Languages
    Essential:
    • English
      (Advanced)
    Desirable:
    • German
      (Advanced)
  • Remote
    from 95%

Description

A company is building a platform that integrates movement, breath, and meditation into one place, aiming to contribute to a more mindful world. To support this mission, they are seeking a Senior Backend Engineer to help build and scale their microservices architecture, ensuring systems are robust, maintainable, and future-proof.

The role involves working on backend services in Go, creating efficient gRPC APIs for service-to-service communication, managing builds, testing, and deployments using Bazel, and running services on Google Cloud Platform (GCP) with a focus on scalability and reliability. The engineer will contribute to a modular microservices architecture that supports a growing product.

Requirements

  • Proven experience in backend development, particularly with Go
  • Familiarity with gRPC APIs and service-to-service communication
  • Experience with Bazel for builds, testing, and deployments
  • Knowledge of Google Cloud Platform (GCP) and scalable architecture
  • Strong understanding of microservices architecture
  • Ability to create reliable, secure, and well-documented services
  • Proficiency in CI/CD pipelines for efficient shipping