AI Engineer

Why You Belong Here

As a Software Engineer at Cresteo, you'll be more than just a developer; you will be part of transforming the tech industry through our honest, transparent, and people-centric approach.

Your role will be diverse and dynamic. You'll be instrumental in developing and maintaining our software solutions, working with a varied technology stack, and ensuring that our products are functional, efficient, reliable, and scalable.

By joining us, you're not just choosing a job; you're aligning with a vision that values the human side of tech, where your skills and passion are recognized, nurtured, and celebrated.

What We're Looking For

• Extensive experience in software development and solution architecture.
• Strong backend skills in at least two of the following stacks: .NET, Java, Python, Node.js.
• Hands-on experience with modern frontend frameworks such as React or Angular.
• Deep understanding of architectural principles: performance, security, scalability, and maintainability.
• Comfortable working across the full development lifecycle: coding, architecture, deployment, and support.
• Experience with containerization, CI/CD pipelines, and modern deployment workflows.
• Proven ability to quickly ramp up on unfamiliar technologies and work across different stacks as needed.
• Experience building AI-native products or integrating AI agents into production environments.
• Practical familiarity with agentic development and tools such as Bedrock, Vercel AI SDK, AgentCore, vector databases, semantic search, and LLM-driven solutions.
• Experience designing and implementing RAG pipelines, autonomous agents, and/or multi-agent orchestration.
• Ability to design, implement, and orchestrate agents end-to-end, including model evaluation, prompting, integrations, and inference flows.
• Practical knowledge of ML fundamentals, embeddings, evaluations, agent training, and fine-tuning (non-academic, hands-on).
• Strong ownership, autonomy, and technical judgment for architectural decision-making.
• Clear and concise communication skills for documentation, reporting, and cross-team collaboration.
• Advanced English level.

We’re building innovative AI-powered products, and we’re looking for a Software Engineer who adapts fast and enjoys shaping solutions from scratch. This is a hands-on role within a small, high-trust team solving real problems with real impact.