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90,000+ live jobsML Engineer | Forecasting & Mathematical Optimization
Remote from Spain·Added yesterday (last checked 6 Nov)
1652 open roles
Our summary
- Work mode
- Remote from Spain
- Spanish
- Fluent
- Experience
- 2+ years
- Education
- University degree




Visa options
The ad rules out sponsorship
The advert says visa sponsorship isn’t available for this role.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
Between 2 and 5 years of experience in Machine Learning, Data Science, or the development of analytical solutions.
University degree in Computer Engineering, Mathematics, Physics, Statistics, Data Science, or similar.
Solid experience with advanced Python applied to Machine Learning.
Practical knowledge of traditional Machine Learning: training, validation, selection, and optimization of models.
Experience with Time Series and Forecasting, especially in demand forecasting models.
Knowledge of Mathematical Optimization, mathematical programming, heuristics, or operations research.
Experience working with predictive models and performance metrics analysis.
Knowledge of SQL for data querying, transformation, and validation.
Experience with PySpark / Apache Spark.
Knowledge of Azure Databricks or equivalent analytical platforms.
Experience with Git and collaborative development methodologies.
Fluent Spanish and technical English.
Nice to have
Experience in banking, the financial sector, retail, or operations management.
Experience combining forecasting models with optimization models.
Knowledge of MLOps and productization of Machine Learning models.
Experience with MLflow for tracking, registration, and model management.
Knowledge of CI/CD (Jenkins, GitHub Actions, or other tools).
Experience migrating notebooks and experimental models to production environments.
Knowledge of monitoring, testing, and model governance.
Experience using generative AI tools as support for development.
Pay & benefits
What you'll get
Participation in a strategic project for the banking sector.
Joining a technological environment with real Machine Learning and optimization challenges.
Work with technologies such as Python, Machine Learning, Databricks, PySpark, and MLflow.
Professional development in Data Science and Artificial Intelligence projects.
Are you interested in working on projects where predictive models and mathematical optimization have a direct impact on decision-making?
We want to meet you!
The role
At Tecdata Engineering, we are looking for an ML Engineer | Forecasting & Mathematical Optimization!
At Tecdata Engineering, we are looking for a Machine Learning Engineer to participate in a strategic project within the banking sector, collaborating on the development, analysis, and improvement of Machine Learning models oriented towards demand forecasting, time series analysis, and mathematical optimization.
We are looking for a profile with a solid analytical foundation and practical experience in traditional Machine Learning, especially in the training, validation, and optimization of predictive models. You will participate in a cash management use case for a top-tier banking entity such as Santander.
The productization and MLOps aspect will also be present, although the main focus will be on knowledge of predictive models, time series, and optimization techniques.
What you'll do
Design, train, validate, and optimize supervised Machine Learning models.
Develop and analyze forecasting models for demand forecasting using time series analysis techniques.
Evaluate model behavior, analyze performance metrics, and propose improvements in their accuracy and stability.
Apply mathematical optimization techniques, mathematical programming, and heuristics to solve business problems and support operational decision-making.
Combine predictive models with optimization models to improve planning and resource allocation.
Analyze and improve existing models, evaluating different algorithms, variables, and training strategies.
Participate in the adaptation and productization of models in corporate environments.
Collaborate in the implementation of training and inference pipelines using Python, PySpark, and Databricks.
Work with tracking, versioning, and model management tools such as MLflow.
Apply best practices in development, testing, traceability, and monitoring.
Collaborate with Data Science, Data Engineering, Platform, and Business teams.
About Tecdata Engineering
Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services provider specialized in global technology projects, with a portfolio covering custom software development, legacy modernization, managed services, cloud infrastructure, Salesforce, cybersecurity (including SOC, pentesting and NIS2 compliance), and data & AI services, alongside IT talent services such as headhunting and staff augmentation. The company reports being founded in 2012 with around 500 employees ("Compañeros 500") and 5M in billing, and forms part of a broader technology consulting group with more than 550 consultants across 5 countries. It states it is present in major economic sectors including banking, telecommunications, and insurance.
In Spain, Tecdata Engineering hires across multiple locations including Madrid, Barcelona, and Bilbao, with a significant share of openings marked "Completamente remoto" (fully remote) or hybrid. Its careers portal organizes vacancies into departments such as Desarrollo y QA, Ciberseguridad, Cloud, DevOps, Sistemas y Producción, Gestión de Proyectos, Comercial, and RRHH, and current openings range from COBOL and mainframe-adjacent banking roles to data engineering, Salesforce, SAP, cybersecurity, and air traffic management QA. For international professionals considering a move to Spain, the volume of remote-eligible roles across the country is notable, though the company's careers and website content is published in Spanish.
- Industry
- IT Services
- Founded
- 2012
- Employees
- 500
Good to know if you are moving
- Many openings are advertised as fully remote within Spain, e.g. "Senior Data Scientist – GCP Madrid · Completamente remoto" and "ML ENGINEER Madrid · Completamente remoto".
- Hiring activity in Spain includes Madrid, Barcelona, and Bilbao, with hybrid and on-site arrangements depending on the role.
- The company reports around 500 employees ("Compañeros 500") and was founded in 2012.
- It is part of a technology consulting group with more than 550 consultants operating in 5 countries.
- Its client sectors include banking, telecommunications, and insurance, so many roles involve regulated, enterprise-grade environments.
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