Senior AI Engineer

About the Position

Senior AI Engineer

Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.

At the core of the role

We are looking for a Senior AI Engineer / Founding Engineer to build end-to-end AI systems in a fast-moving R&D environment.

The role spans the full engineering lifecycle - from scraping and ingesting massive geological datasets, through orchestrating AI agents, to rendering 3D insights in the UI.

You will work on AI/ML system design, agentic workflows, backend development.

Responsibilities

• Build end-to-end AI systems spanning large-scale geospatial data scraping/ingestion, multi-agent backends, and responsive 3D web interfaces.
• Develop AI systems using LLMs, RAG architectures, vector databases, embeddings, semantic search, function calling, and external tools.
• Build performant Python/FastAPI backends using asynchronous programming and supporting long-running processes.
• Design structured and validated inputs and outputs for AI systems and APIs.
• Work independently in R&D / POC environments and adapt to rapidly changing priorities.
• Apply strong problem-solving and ownership skills to rapidly evolving AI/ML challenges.

Requirements

• ML Leadership Experience - ability to review business problems, define AI/ML designs, and provide technical direction beyond agents and LLMs.
• Agentic Orchestration - strong experience with frameworks such as LangGraph, LangChain, or similar.
• Multi-Agent Systems - ability to design multi-agent systems, including supervisor/worker patterns, orchestration flows, and state management.
• Generative AI & LLMs - hands-on experience with LLMs such as Gemini, Anthropic, OpenAI, or similar.
• RAG - strong understanding of RAG architectures, retrieval optimization, embeddings, semantic search, context handling, and prompt design.
• Function Calling & Tool Usage - experience with function calling and external tool usage.
• Vector Databases - experience with vector databases such as Vertex AI RAG Engine, Pinecone, FAISS, or similar.
• Python & API Development - strong Python skills and experience building APIs using FastAPI or similar.
• Async Programming - understanding of asynchronous programming and handling long-running processes.
• Data Modeling & Validation - experience with Pydantic or equivalent frameworks, including the ability to design structured inputs and outputs for AI systems and APIs.

We Offer

• Competitive salary
• Opportunity to work in a dynamic R&D environment
• Professional growth and development opportunities
• Collaborative and inclusive work culture

About the Company

People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.

Locations

• Istanbul, Turkey
• İzmir, Turkey

Application Process

1. Send your CV to tell us about your core skills and what you're looking for next.
2. Talent Call - Meet our Talent team to talk about your goals and experience while exploring our culture and the way we work.
3. Technical Interview - We'll explore your experience, strengths, and approach to work to see what we can build together.
4. Customer Interview - For some roles, you'll meet our customers to understand the outcomes your expertise can help create.
5. Welcome to Avenga - An offer is just the beginning. We welcome you to put your expertise into action and shape what's next together.

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