Senior Full Stack Developer – AI Product

Cito Transport Technologies GmbH

. Take ownership of key parts of the AI and software architecture .

Posted 10/6/2026full-timeRemote • CroatiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing scalable AI systems, with a strong focus on LLM-based products and a deep understanding of AI system architecture. Proven ability to evaluate and ensure the reliability of AI outputs while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

AI System DesignPython ProgrammingLLM API ExperienceEvaluation MethodsScalable Technical Solutions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringAI Agent DevelopmentMulti-Step ReasoningDecision PipelinesTool UseRegression TestingDjango FrameworkObservability FrameworksMonitoringCERA AI Development

Soft Skills

High Level of OwnershipIndependent WorkPragmatic MindsetSystematic Thinking

Tools & Technologies

OpenAIClaudeAI FrameworksEvaluation Tools

Industry Keywords

AI ProductsLLM-Based SystemsTechnical SolutionsOperational Problems

Tech Stack

Tools & technologies

DjangoPython

About the role

Key responsibilities & impact

Take ownership of key parts of the AI and software architecture
Design and develop scalable AI agent systems, including multi-step reasoning, decision pipelines, and tool use
Build and improve LLM-based systems, including prompting, tooling, memory, and orchestration
Ensure the reliability and quality of AI outputs through evaluation, monitoring, and guardrails
Build observability and evaluation frameworks, including regression testing for AI systems
Work closely with Product and Business teams to turn operational problems into scalable technical solutions
Make technical decisions with long-term impact on architecture, technology stack, and scalability
Ship solutions used by customers
Develop CERA AI, an AI agent that automates real logistics processes such as processing incoming emails, negotiating prices, and transferring transport orders

Requirements

What you’ll need

6–8+ years of experience in software engineering
Ideally, hands-on experience building AI/LLM-based products or systems
Strong Python skills, ideally with Django or a comparable framework
Experience working with LLM APIs such as OpenAI, Claude, or similar platforms
Understanding of AI system design beyond simply integrating an API
Experience with evaluation methods, monitoring, and observability
Ability to think in systems rather than individual features
Strong understanding of the trade-offs between speed, reliability, and quality
High level of ownership and ability to work independently
A pragmatic mindset focused on building, shipping, and improving real products
Professional working proficiency in English

Benefits

Comp & perks

Work 100% remotely from Croatia
No relocation to Germany required
Join a German tech company
International team
High technical ownership and room to shape the architecture, technology, and future of the product
Impact over bureaucracy
Long-term collaboration