Vacature Engineer

Wizeline; Barcelona; Presencial; EUR 65.000 - 95.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Professional Development

Flexible and Collaborative Culture

Total Rewards

Descripción de la vacante

Wizeline in Barcelona, Spain is seeking an experienced machine learning engineer to join our growing AI-native solutions team. You will collaborate with data scientists and engineers to deploy LLMs, optimize NLP workflows, and build scalable data pipelines.

The ideal candidate has a strong Python background, hands-on experience with multi-agent AI systems, and a track record of delivering production ML solutions on cloud platforms using LangChain ecosystems.

Formación

• Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or related STEM field or equivalent work experience.
• 4+ years of industrial experience in a machine learning engineering or data engineering role.
• Strong programming skills in Python and/or another high-level language commonly used in machine learning.
• Experience deploying LLMs, implementing automated evaluation pipelines (LLM-as-a-judge), and architecting multi-agent systems.

Responsabilidades

• Collaborate with data scientists and engineers to orchestrate LLMs and tools into complex AI workflows.
• Implement optimized vector storage and indexing systems for NLP.
• Develop tools and frameworks for prompt management, automated evaluations, and observability.
• Monitor and improve agentic systems performance for accuracy and efficiency.
• Provide ongoing support, troubleshoot issues, and implement updates for ML solutions.
• Build and maintain data processing pipelines for high volumes of structured and unstructured data.
• Integrate third-party AI APIs to extend system functionality.
• Stay updated on GenAI, NLP, ML, and IR technologies, leveraging cloud infrastructure for efficiency.
• Build and extend internal products on LangChain ecosystem to support prompt management and orchestration.

Conocimientos

Python programming

LLM deployment

Multi-agent systems

NLP workflows

Educación

Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or related STEM

Herramientas

LangChain

LangGraph

LangSmith

AWS

GCP

Docker

Git

Descripción del empleo

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there’s no limit to what we can achieve

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

Key Responsibilities

• Collaborate with data scientists and engineers to orchestrate LLMs and tools into complex AI workflows.
• Implement optimized vector storage and indexing systems for NLP.
• Develop tools and frameworks for prompt management, automated evaluations, and observability.
• Monitor and improve agentic systems performance for accuracy and efficiency.
• Provide ongoing support, troubleshoot issues, and implement updates for ML solutions
• Build and maintain data processing pipelines for high volumes of structured and unstructured data.
• Integrate third-party AI APIs (internal and external) to extend the functionality of systems.
• Stay updated on GenAI, NLP, ML, and IR technologies, incorporating best practices and leveraging cloud infrastructure for efficiency.
• Build and extend internal products on top of the LangChain ecosystem (LangGraph, LangSmith) to support prompt management, evaluation, and agent orchestration across the team.

Must-have Skills:

• Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field or equivalent work experience.
• 4+ years of industrial experience in a machine learning engineering or data engineering role.
• Strong programming skills in Python and/or another high-level language commonly used in machine learning.
• Experience deploying LLMs, implementing automated evaluation pipelines (LLM-as-a-judge), and architecting multi-agent systems that utilize tool-calling and long-term memory to solve non-linear problems.

Nice-to-have:

• AI Tooling Proficiency : Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.
• Familiarity with cloud-based infrastructure and services (e.g., AWS and GCP), Docker, and the Git version control system
• Familiarity with consuming and integrating APIs in a reliable and secure manner.

What we offer:

• Commitment to Professional Development
• Flexible and Collaborative Culture
• Total Rewards

*Specific benefits are determined by the employment type and location.

Find out more about our culture here.