Senior ML/LLM Engineer (API & Fullstack) - English Mandatory
__jobinformationwidget.freetext.LocationText__
Barcelona, Spain
- Sopra Steria
- Standard
- Barcelona
- No
- Seguros
Your career starts now…
We are renowned European world leader in consulting, digital services and software development with 56.000 employees in almost 30 countries and more than 4.000 employees in Spain.
We focus on people; their growth and their professional development is what makes us grow and improve constantly.
We are passionate about the digital world and just like you we are looking for the greatest adventures. We want your day to day to be your source of inspiration. We want you to learn, to have fun, to grow and most importantly to enjoy to the fullest.
If you want to be a part of a “Great Place to work” company ...just keep reading!
This role is for a Senior ML/LLM Engineer with strong data science capabilities and a significant focus on API development and full-stack engineering principles. They will be responsible for the end-to-end lifecycle of machine learning solutions, from model conception and development to building robust, scalable APIs and integrating them into production applications.
Data Science, Model Development & LLM Expertise:
- Statistical Models & Machine Learning: Develop, test, and validate statistical and machine learning models in Python. Explore, select, and prepare datasets, including feature engineering using libraries like NumPy, Pandas, Polars, and SciPy.
- Advanced ML Libraries: Develop and implement classification, regression, and other predictive models leveraging libraries such as Scikit-learn, XGBoost, LightGBM, CatBoost, and deep learning frameworks like TensorFlow/Keras and PyTorch.
- Natural Language Processing (NLP) & Text Mining: Utilize NLP techniques to extract insights from unstructured text, employing libraries like NLTK, spaCy, Hugging Face Transformers, and Sentence Transformers.
- Large Language Models (LLMs):
- Architect and implement solutions using LLMs (e.g., GPT-4, Claude 3, Llama 3, Gemini) via APIs or by fine-tuning open-source models for tasks like extraction, classification, summarization, content generation, and conversational AI.
- Proficiency with LLM application development frameworks such as LangChain, LlamaIndex, and Haystack for building complex, orchestrated LLM workflows.
- Skilled in prompt engineering, fine-tuning techniques (e.g., LoRA, QLoRA), and designing Retrieval Augmented Generation (RAG) systems.
- Experience with vector databases (e.g., Pinecone, Weaviate, ChromaDB, FAISS) for semantic search and knowledge retrieval.
What do we have for you?
- Full time permanent contract
- 23 days annual leave
- Continuous training: technical and transversal skills and languages. We provide access to several certifications and accreditations and learning programs with our main technological partners, online platforms and more.
- Life and accident insurance.
- Flexible benefits program (health insurance, meal vouchers, childcare vouchers, mobility, and training)
- “Privilige Club” access, where you will find deals for several brands.
- Detailed and personalized onboarding. We’ll be with you in every step of the way so you can feel #soprano from the very beginning.
- Recreational spaces in our offices because work and fun go hand in hand.
- Companionship and great working environment because we know how important the power of togetherness is.
And most importantly you´ll have the opportunity to develop your professional career with us. Together we’ll create an individualized career development plan. We’ll establish goals and we’ll make sure we achieve them together. Your priorities will be ours.
Your voice will be heard! - Join us and be part of something bigger!
The world is how we shape it
Adquirimos el compromiso de respetar la diversidad, creando un ambiente de trabajo inclusivo y aplicando políticas que favorezcan la inclusión y promuevan el respeto social y cultural en cuestiones de género, edad, funcional, orientación sexual y religión con igualdad de oportunidades.
Discover what working at Sopra Steria looks like...
Are you looking for a place where you can free your creativity and take initiatives, supported by tech experts?
Join us on this adventure where every idea counts and every talent steps up.
Job offers that might interest you
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
As a Business Analyst/Solution Designer you are responsible for analyzing and solving problems related to our in-house business applications, as well as the design and implementation Analysis and opti
Reference
8633e5c7-cdcb-4a2c-80f0-8f07be848d68
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
As a Business Analyst/Solution Designer you are responsible for analyzing and solving problems related to our in-house business applications, as well as the design and implementation. Responsibilities
Reference
c93e5d5d-5672-4e8b-9293-d6d51a65408e
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
As a DevOps Engineer focused on our Backstage platform, you will lead the infrastructure and functionality of our internal developer portal, supporting and developing integrations that enhance our pla
Reference
ebf68faa-1557-43ce-88b5-94dec637dc36
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
Your career starts now… We are renowned European world leader in consulting, digital services and software development with 56.000 employees in almost 30 countries and more than 4.000 employees in Spa
Reference
768871fb-1624-4c4f-9dc4-fc4ac1b27427
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Vacancy language
French
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
Participer activement, au début du service, à la documentation des procédures opérationnelles générales et spécifiques pour les différents emplois existants. - Référence technique pour le reste de l
Reference
d76766b7-2453-47fd-808b-c8f4a9168934
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
As a DevOps & Development Expert you are taking part in the next phase of our tooling harmonization initiative, to provide the best services towards our development teams and to improve the adoption o
Reference
0ccadacd-1265-4155-8e06-35eb1c649562
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
Our client is a leader in the insurance industry. You will be part of a mixed (client-supplier) agile team composed of designers, developers and testers, with the objective of deploying the commercial
Reference
1f722935-0a9f-44af-b4fd-0d74ab1b3f57
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
We are seeking an Integration Architect passionate about Event-Driven Architecture to lead initiatives that contribute to group-wide EDA strategy and enhance the capabilities of the EBS platform. The
Reference
377197c5-eea4-4be1-b4fe-140cdeae6353
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
As a member of our Testing Tools Team, you will be responsible for developing and enabling our internal test automation platform. Your focus will be on creating solutions that empower our agile delive
Reference
00ad95a6-e919-4228-9f72-c97b19ddb4d4
Expiry Date
Jan 1, 0001
Salary
Location
Barcelona, Spain
Vacancy language
Spanish
Job Type
Standard
Department
Seguros
Brand
Sopra Steria
Remote
No
Location
Barcelona
Description
En Sopra Steria, somos expertos en transformar empresas mediante la tecnología. Buscamos un Analista Programador con experiencia en el sector de seguros de vida para colaborar en proyectos innovadores
Reference
21443696-bae3-4bbc-94b2-0393c38cfda4
Expiry Date
Jan 1, 0001