Senior AI Developer
2 days ago
We are part of one of the largest independent and most creative digital agencies in Europe and the leading digital communications agency in Germany. The Serviceplan Group is the largest owner-led agency group in Europe with more than 30 locations and 4,200 employees worldwide.
About the Role
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
Our offer
- Young, talented and ambitious team
- Competitive salary aligned with skills and experience
- Bonus system based on performance
- An exciting and challenging environment that promotes professional growth and career opportunities within our company
- Team building activities, personal development programs, private medical insurance, extra vacation days
If you're passionate about building intelligent systems that scale and want to work with a forward-thinking team transforming how marketing is done with AI, apply now and help us shape the future of AI-enabled marketing solutions.
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