AI Engineer Apprentice — Work & Study in Barcelona

HARBOUR.SPACE; Barcelona; On-site; EUR 6,700 - 13,000; Full time

Benefits offered by this job

Tuition fee scholarship

Monthly student allowance

Job summary

Harbour.Space Institute in Barcelona collaborates with Toloka AI to offer a Work & Study apprenticeship for a Master’s in Computer or Data Science. Selected students will join Toloka AI as Forward Deployed AI Engineer Apprentices, earning a degree while working on real client projects at Harbour.Space’s Barcelona campus.

The program combines software/ML work with academic study, including a monthly student allowance and a full tuition scholarship.

Qualifications

• 3+ years of software engineering, ML or data-project experience.
• Strong Python with NumPy/Pandas; API integration.
• Understanding of LLM training, fine-tuning and evaluation (SFT, RLHF, DPO, LoRA).
• English proficiency at C1+ with clear written/verbal communication.

Responsibilities

• Assist senior engineers in designing data-generation and evaluation pipelines.
• Configure data-labeling components, quality controls and UIs.
• Prototype AI-driven solutions (agentic systems, RAG, synthetic data workflows).
• Participate in client conversations and technical discovery.
• Help move solutions from MVP toward production.

Skills

Python (NumPy/Pandas)

LLM concepts (SFT/RLHF)

APIs & dev practices

English (C1+)

Client-facing comms

Software engineering basics

Education

Bachelor's degree in AI/CS

Tools

Git

Testing

APIs

Job description

Harbour.Space Institute in Barcelona collaborates with Toloka AI to offer a Work & Study apprenticeship for a Master’s in Computer or Data Science. Selected students will join Toloka AI as Forward Deployed AI Engineer Apprentices, earning a degree while working on real client projects at Harbour.Space’s Barcelona campus.

The program combines software/ML work with academic study, including a monthly student allowance and a full tuition scholarship.