AI Tech Lead - Backend (m/f)

Zagreb, Croatia (Hybrid)

Dive deeper. Aim higher.
At Abysalto, that’s not just a motto — it’s how we work. We build serious tech for a variety of clients, but we keep things simple, fast, and focused. We’re a team driven by determination, expertise, and courage — and we’re looking for someone who shares that mindset. Someone ready to take ownership, solve real challenges, and make an impact where it matters. Ready to dive in? Join us as a Tech Lead - AI Backend!

🔷What you will do?

  • Lead, mentor, and grow a team of AI backend developers - starting small, scaling with success
  • Provide technical directions on architecture, model integration, API design, and deployment strategy
  • Stay hands-on: build and maintain REST APIs (FastAPI/Flask) that serve machine learning models (LLMs, NLP, vision)
  • Review code, provide constructive feedback, and help juniors level up their skills and confidence
  • Coordinate closely with AI engineers, DevOps, frontend, and product teams to deliver robust AI-powered features
  • Drive best practices in MLOps, CI/CD, cloud deployment, and performance monitoring
  • Own delivery outcomes - ensure the team delivers high-quality, tested, and maintainable code on schedule
  • Foster a culture of curiosity, collaboration, and technical excellence

🔷What we expect from you?

  • Proven experience leading software teams or mentoring junior developers (formal or informal)
  • Strong backend engineering background, fluent in Python, REST API development, and system design
  • Hands-on experience with FastAPI, Docker, Git workflows, and CI/CD pipelines
  • Familiarity with integrating and serving ML/NLP/LLM models (PyTorch, Hugging Face, vLLM, etc.)
  • Understanding of authentication, authorization, and modern web service patterns
  • Solid working knowledge of databases (SQL and NoSQL), containerization, and cloud infrastructure (AWS, GCP, or Azure)
  • A strong sense of ownership, a builder’s mindset, and the ability to make pragmatic trade-offs
  • Excellent communication skills in English - able to align stakeholders and coach team members clearly and empathetically

🔶Nice-to-haves

  • Prior experience with AI-focused backend systems (RAG pipelines, inference optimization, vector DBs)
  • Familiarity with DevOps tools and practices (Kubernetes, Terraform, observability stacks)
  • Experience scaling small teams and shaping technical hiring processes
  • Knowledge of agile delivery processes and how to run productive sprints and standups

🔷What we offer?

  • A key leadership role in a high-growth area of our company
  • Supportive environment for both tech and leadership growth, training, conferences, 1-on-1 mentorship
  • Modern tech setup - high-performance hardware, ergonomic workstations (Aeron chairs), and access to GPU compute
  • Flexible working hours with a hybrid work option
  • Agile workflows with SCRUM methodology and a strong engineering culture
  • All perks and benefits can be found on our career page
  • A chance to build products that make millions of everyday interactions smarter and simpler


We solve complex technological challenges in order to simplify and improve everyday lives of millions of people. Our goal is to become a leader in the software industry, recognized for excellence and quality.

If you’re ready to lead what’s next, send us your CV and a few words on how you help teams succeed.

Apply via the link below. 

We look forward to meeting you!

AI Tech Lead - Backend (m/f)

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AI Tech Lead - Backend (m/f)

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