Senior AI Developer

Senior AI Developer - Serverless & AWS (all genders) - Cape Town, SA It is no longer just future talk - we are in the middle of a digital revolution. This is why we will do anything to help our clients reach their prospects and stand out in this multi-signal chaos. Our conviction is "Creating Relevance”. This is how we create digital communication for brands and people – in Germany and worldwide. We are looking for passionate, energetic and brave colleagues to support us in our conviction. Are you curious enough to help us create profound digital messages? Full Time Kapstadt, Südafrika With Professional Experience 11 / 5 / 25 About us Serviceplan Group is Europe’s largest independent, partner‑led agency group, renowned for its innovative, integrated solutions across strategy, creative, media, and digital communications. With a global presence and more than 5,000 experts in over 30 countries, we help our clients create impactful, future‑ready brand experiences. As part of our ongoing growth, our new Cape Town division, Plan.Net CreativeNest South Africa, delivers cutting‑edge digital services in UX / UI, real‑time 3D asset creation, and social media community management. Note: To be considered for this role, you’ll need to be a South African citizen or hold a valid work permit. About the Role You’ll work at the intersection of AI, cloud infrastructure, and modern software engineering to design agent‑based systems that deliver measurable impact. This is a hands‑on role with a strong focus on AWS‑native architectures, language models and autonomous agents. You’ll be part of a distributed, cross‑functional team shaping how AI transforms marketing. Responsibilities Build and deploy AI‑driven systems and agents using AWS serverless services (Lambda, Step Functions, DynamoDB, EventBridge, etc.) Integrate and fine‑tune LLMs via Amazon Bedrock and apply NLP techniques for real‑world use cases Design and optimise prompts to enhance LLM performance Work with vector databases and integrate data pipelines for structured and unstructured data Ensure secure, scalable, and cloud‑native architectures using infrastructure as code Collaborate across engineering and data teams to deliver production‑ready solutions Apply architectural best practices (stateful vs. stateless, serverless vs. containerised) Essential Requirements 5+ years of experience in software development, 2+ in AI / ML Strong hands‑on experience with AWS (Lambda, S3, IAM, Bedrock, Step Functions, CloudWatch, etc.) Proven experience with LLMs, prompt engineering, and AI agent design Solid Python skills and experience with Git / GitHub workflows Understanding of serverless architectures and MLOps practices Experience with infrastructure as code (Terraform or CloudFormation) Understanding of the full software development lifecycle (SDLC), from planning to deployment Cloud‑native mindset with a preference for managed services and infrastructure‑as‑code approaches Comfortable working in agile, distributed teams Bonus Points Experience with LangChain, CrewAI, LangGraph, or similar agent frameworks Familiarity with vector databases (e.g., Pinecone, Weaviate, ChromaDB) Knowledge of model training, fine‑tuning, or frameworks like PyTorch / TensorFlow Relevant AWS certification(s) like AWS Certified AI Practitioner What we offer A talented and ambitious team Competitive salary aligned with skills and experience An exciting and challenging environment that promotes professional growth and career opportunities within our company Ready to shape the future of AI‑powered marketing? Apply now and join a team that’s building the next generation of intelligent, scalable solutions. We have made it our goal to create an inclusive culture where all forms of diversity are seen as added value for our agency group. We are also on a first‑name basis here – from interns to management. This reduces unnecessary distance, fosters personal exchanges and enables us to work at ease and effectively with each other. We welcome applications regardless of gender, age, ethnic and social background, sexual orientation or religion. We are committed to equal opportunity and participation and we particularly encourage applicants from underrepresented groups to apply with us. Contact Person: Magdalena Mitter Recruiter Apply now on karriere.serviceplan.com Apply online Check other openings by visiting our jobs list Share this job #J-18808-Ljbffr