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What You'll Do
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- Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks)
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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:
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- 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.
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- Lead evaluation of AI outputs and related processes
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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 Chemistry, you’ll have the opportunity to collaborate on these projects.
Although every project is unique, you might typically:
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You help AI to make sense of the world. As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities
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A company is looking for an ethical AI expert to lead an online workshop for works council employees in German. The goal of the workshop is to inform participants about the ethical aspects of AI, including topics like bias, transparency, and the EU AI Act.
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- Design and deliver an online workshop in German
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Adobe Experience Cloud Consultant (m/f/d)
The Digital Analytics department uses Adobe Experience Cloud to deliver personalized user experiences. The goal is to increase conversion rates and improve customer experience through targeted personalization and testing. The technical implementation is handled independently by specialized consultants.
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- Further activities include designing and setting up both new activation channels and additional data sources.
- In addition, new business-relevant use cases are developed across the various phases of the customer journey to specifically increase business value.
- Creating segments and performing error analyses using targeted SQL queries.
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CRM Manager (m/f/d)
For strengthening data-driven cross & upsell as well as retention campaigns, Customer Interaction operates a platform where campaign processes, including a profiler, are developed, orchestrated and monitored. We are looking for support in the following areas:
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PL/SQL Development
- Implementation and optimization of data selection, transformation and aggregation pipelines in Oracle PL/SQL
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Testing & Quality Assurance
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Developer for Consent Management Implementation (m/f/d)
To replace the consent layers on our international brands’ websites that were previously handled by third-party CMPs, we will build new in-house layers so we can operate and deploy them ourselves. Strong skills in Typescript, Vue.js and standard web presentation techniques (HTML and CSS) are required. The goal is to deliver executable code that implements all requirements and includes automated tests to prove correct functionality.
What the assignment covers: The main focus is to develop elements for decision-making on the approach and to carry out measures throughout the project. This specifically includes the following work packages:
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- Creation of documentation for the code
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- Removal of netID references
- Creation of brand-specific settings and files for custom purposes/providers
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- Inclusion of the required official IAB GVL translations (ES, FR) in the weekly GVL sync
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Freelance Cybersecurity Consultant for AI Red Teaming
For an AI lab we are looking for cybersecurity consultants to train an AI model (Large Language Model - LLM).
You help AI to make sense of the world. As consultant, you may be invited to take part in online projects to train the model in your domain of expertise.
This flexible role accommodates both experts seeking part-time engagement (minimum few hours/week) and those interested in full-time opportunities
- 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.
Electronics Technician (m/f/d)
- Independent fault analysis and sustainable problem resolution
- Performing preventive maintenance tasks
- Servicing and maintaining machines and automated production systems with the latest technology
- Documenting all performed work
- Continuously optimizing our systems and processes
- Openness and appreciation for your suggestions and ideas
Freelance AI Trainer - Writers (English) (m/f/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.
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- Provide feedback and suggestions to enhance AI performance.
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Product Manager POS / Cash Register Systems (m/f/d)
A company is looking for an experienced product manager, ideally with a background in hospitality. The goal of the project is to develop innovative product solutions and optimize existing processes to improve the customer experience and strengthen the company’s market position.
The product manager will play a key role in developing and implementing product strategies and will work closely with internal teams and external stakeholders. Travel expenses are not covered, so the candidate should preferably be based in Berlin or be willing to cover the costs themselves.
- Leading and overseeing the entire project lifecycle in the Cloud POS area
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Frontend developer to HR platform with Angular experience
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2 X Senior AI Developer (Serverless & AWS)
Industries
Advertising
Information Technology (IT)
Areas
Information Technology (IT)
Marketing
Project info
- Period25.08.2025 - 07.01.2026
- Capacityfrom 95%
- Daily rate600 - 700€
- LocationMunich, Germany
- Languages
- German(Advanced),
- English(Advanced)
- German
- Remotefrom 95%
Description
We are looking for a highly skilled and experienced Senior AI Developer to join our AI & Automation team. In this role, you will design and implement cutting-edge AI solutions with a strong focus on autonomous agents, machine learning workflows, and cloud-native architectures to drive innovation in the marketing industry.
Our team develops intelligent, scalable systems that power automation and optimization across marketing channels — from content generation and personalization to campaign performance analysis and predictive insights. You will work at the intersection of AI, marketing technology, and software engineering, building serverless solutions on AWS that enable measurable business impact.
This is a hands-on technical role that requires deep expertise in AI system development as well as practical experience with AWS services and modern backend architectures. You’ll be part of a distributed, cross-functional team shaping how AI transforms marketing.
Responsibilities**
Design, develop, and deploy AI-driven systems and agent-based architectures on AWS
Build intelligent workflows using AWS serverless services (e.g. Lambda, Step Functions, DynamoDB, S3, EventBridge)
Integrate language models (Amazon Bedrock) into scalable applications
Develop and orchestrate autonomous agents for data processing, decision-making, or task automation
Design and optimize prompts to maximize the performance of LLM-based systems
Fine-tune foundational models and apply NLP techniques to align AI behavior with business needs
Collaborate with data scientists, backend engineers, and DevOps to bring AI models into production
Implement monitoring, logging, and error handling to ensure system reliability and performance
Design and integrate data ingestion and preprocessing workflows for structured and unstructured data
Ensure compliance with data protection policies and implement secure-by-design principles when handling confidential marketing data
Contribute to architecture and infrastructure decisions for AI services
Apply a “cloud-native” and “infrastructure-as-code first” mindset when designing and deploying solutions
Design systems with a clear understanding of stateful vs. stateless architectures and their impact on scalability, reliability, and cost
Requirements
5+ years of experience in software development, with at least 2 years focused on AI/ML systems
Strong experience with AWS, including Lambda, API Gateway, Step Functions, DynamoDB, S3, EventBridge, CloudWatch, IAM, Amazon Bedrock and SSM Parameter Store
Hands-on experience with prompt engineering and crafting effective interactions with LLMs
Experience in fine-tuning foundation models and applying natural language processing (NLP) techniques
Proven track record of building agent-based architectures or intelligent automation systems
Proficient in Python with solid understanding of software engineering best practices
Solid experience with Git/GitHub workflows and collaborative software development
Experience with event-driven and serverless architectures, and the ability to evaluate trade-offs with container-based approaches
Familiarity with MLOps concepts and tools (e.g. model deployment, monitoring, versioning)
Familiarity with infrastructure-as-code tools such as Terraform or AWS CloudFormation
Understanding of the full software development lifecycle (SDLC), from planning through deployment
Strong problem-solving skills and the ability to work independently in an agile, fast-paced environment
Excellent communication skills and the ability to collaborate across disciplines
Nice to Have**
Experience with vector databases (e.g. Pinecone, FAISS, Weaviate, ChromaDB, Milvus)
Knowledge of agent frameworks (e.g. LangChain, CrewAI, AutoGen, LangGraph)
Experience with real-time data processing (e.g. Kinesis, Kafka)
Familiarity with machine learning frameworks (e.g. TensorFlow, PyTorch)
Relevant AWS certification(s) like AWS Certified AI Practitioner