Role Purpose The AI Developer / Software Engineer helps evolve Omilia's Drive-Thru Voice AI solution for Quick Serve Restaurants. The role works across the whole product — engineering and AI/LLM development, conversation analysis, and customer work — on a live system used at scale in thousands of restaurants. The balance across these areas shifts with project needs.

Accountabilities

Engineering — Build features, fix bugs, test and deploy releases, and integrate with client systems

AI/LLM — Prototype AI features, fine-tune LLMs for voice ordering, and turn them into production solutions

Conversation analysis — Review real dialogs, assess performance, and identify improvement opportunities

Customer work — Gather business requirements and build the application logic to meet them

Key Responsibilities

Build product features and fix bugs for the Drive-Thru Voice AI solution, including testing and deploying releases

Integrate with client systems as required for assigned work

Prototype AI features and fine-tune LLMs for voice ordering, turning promising prototypes into production solutions

Review real drive-thru dialogs, assess performance, and identify opportunities to improve accuracy and user experience

Work with customers and internal stakeholders to gather business requirements and implement the application logic that meets them

Shift effort across engineering, AI/LLM, conversation analysis, and customer work as project needs change

Communicate clearly in English in both technical and customer-facing contexts,



and deliver within demanding deadlines

Requirements

Required

Academic degree in Computer Science, Computational Linguistics, Natural Language Processing, a related field, or equivalent experience

At least 1 year of experience as a Software Developer or AI Engineer

Excellent command of spoken and written English

Excellent communication skills; customer-facing

Ambition, enthusiasm and eagerness to learn, with aptitude for analytical and creative thinking and sharp attention to detail

Accountable within demanding deadlines

Nice to have

Experience with conversational automated dialog systems, either voice- or chat-based.

Experience in any other production-level NLU/NLP solutions will also be considered a plus

Experience fine-tuning or training NLP/LLM models

Knowledge of embeddings, vector databases and RAG

Knowledge of Java 17 is a strong asset

Experience consuming external systems such as web services (REST and SOAP)

Experience in SQL databases

Experience with GitLab and CI/CD processes

Experience in Spring Framework

Knowledge of Spanish

Benefits

24 days of annual leave (accrues at 2 days/month). Paid sick leave

MacBook Pro + any necessary hardware shipped to the employee's location

Annual 360-degree performance appraisal — drives promotions and raises

Onboarding buddy system An extensive course library for learning and certifications

Paid Claude Enterprise subscription and access to other cutting edge professional tools

📌 AI Developer / Software Engineer (Madrid)
🏢 Omilia
📍 Madrid