We take a closer look at the 4 profiles most in demand by companies in Spain in the field of Big Data from January to April 2024 according to Fundación Telefónica's Mapa del Empleo.
Considered the oil of the 21st century, data is one of the most powerful assets in the digital age and even the most valuable asset of many organisations. The ability to collect, process and analyse large amounts of information has become a crucial competitive advantage in various sectors.
The demand for specialist profiles is constantly growing: whether in its analysis, in the application of AI for its study and development of predictive models, as well as its application in real environments.
In this article we will take a closer look at the 4 profiles most in demand by companies in Spain, within the field of Big Data, according to Fundación Telefónica’s Mapa del Empleo, from January to April 2024. We will also find out about their salary ranges.
BI or Data Analyst
The role of Data Analyst/Business Intelligence (BI), with around 1.947 vacancies, plays a pivotal role in managing and harnessing information within an organisation.
Key responsibilities:
- Data Collection: data extraction, transformation and loading (ETL).
- Data Analysis and Exploration: analyse for trends, patterns, relationships and anomalies.
- Report and dashboard creation: summarises findings from data analysis in a clear and visually appealing way. Subsequently supports decision making.
- Process optimisation
Required skills:
Must have experience in handling data analysis tools. The most sought-after among companies, according to Fundación Telefónica’s Mapa del Empleo, are:
- Python, required in about 320 vacancies, according to Fundación Telefónica’s Employment Map.
- Extract, Transform and Load (ETL), required in around 280 vacancies.
- Power BI, present in 260 job offers for data analysts.
- Business Intelligence, sought after in more than 210 of these positions.
All this, coupled with an ability to critically analyse large volumes of data and find meaningful insights.
The salary range, depending on experience, is as follows:
- 0-2 years: €18,000-24,000 gross/year.
- 2-5 years: 24.000-30.000 € gross/year.
- + 5 years: 30.000-46.000 € gross/year.
Database Designer or Database Administrator
The Database Designer or Database Administrator role, in demand for 1.164 positions, is responsible for designing, implementing and managing databases that store information critical to the operation of the business.
Key responsibilities:
- Database design: design the structure and schema of databases.
- Implementation and maintenance: they are responsible for implementing it in the production environment and making sure it works properly.
- Data security: implement security measures such as data encryption, access control and security audits.
- Backup and recovery: in case of system failure or human error, they establish and maintain data backup and recovery procedures.
Skills required:
Skill in the design, implementation and management of relational and non-relational database systems, as well as in the use of query languages such as SQL is required.
Familiarity with popular database management systems (DBMS) such as MySQL, Oracle, SQL Server, PostgreSQL, MongoDB, and others.
This type of professional must be meticulous and have attention to detail to ensure the accuracy and integrity of the information stored in the database.
The skills most in demand in the labour market, according to Fundación Telefónica’s Mapa del Empleo, for this type of profile were:
- Proficiency in Databases, present in 610 vacancies offered.
- IBM Db2 Familiy, a skill required in more than 320 positions.
- PostgreSQL: required in about 310 vacancies.
- My SQL, present in more than 190 vacancies.
- Unix, required in 178 vacancies for this type of profile.
The salary range, depending on experience, is as follows:
- 0-2 years: 18,000-25,000 € gross/year.
- 2-5 years: 25.000-33.000 € gross/year.
- + 5 years: 33.000-58.000 € gross/year.
Data Engineer
The position of Data Engineer is in demand in 912 vacancies.
Key Responsibilities:
- Data architecture design: study and determine how data is stored, processed and accessed.
- Implementation of data infrastructure.
- Data pipeline development: enable automated and efficient data ingestion, transformation and loading.
- Optimising performance and ensuring data security.
Required Skills:
They make use of different technologies such as relational and non-relational databases, distributed storage systems, real-time and batch data processing tools, and data integration solutions.
The most sought-after skills for this type of profile, according to Fundación Telefónica’s Employment Map, are:
- Proficiency in Python, required in 610 vacancies.
- Cloud Computing, a skill required in 427 vacancies.
- Extract, Transform and Load (ETL), sought after in 350 job offers for this profile.
- Amazon Web Services (AWS), required in 347 vacancies.
- Microsoft Azure, in demand for around 330 positions.
The salary range, depending on experience, is as follows:
- 0-2 years: €18,000-24,000 gross/year.
- 2-5 years: €24,000-30,000 gross/year.
- + 5 years: €30,000-42,000 gross/year.
Data Scientist
Data Scientist is one of the most specialised and in-demand roles in the field of data science with 783 positions offered.
Key Responsibilities:
- Data analytics and predictive modelling: develop predictive models that can predict future behaviour or trends based on historical data.
- Algorithm optimisation: optimise algorithms and machine learning models.
- Communicating results: communicate the results of their analysis and models to different audiences, including technical and non-technical teams.
Required skills:
This type of professional must specialise in the handling of data science tools and programming languages.
To understand and apply advanced data analytics and predictive modelling techniques, they must have a strong background in mathematics and statistics, including linear algebra, calculus, probability and inferential statistics. In addition, they should develop the ability to write clean, efficient and well-documented code in different programming languages.
The key skills most in demand for this type of position, according to Fundación Telefónica’s Employment Map, were:
- Python, a skill sought after in 485 vacancies.
- The second most requested was Machine Learning, present in 315 job offers.
- Artificial Intelligence (AI), required in 303 positions.
- Cloud Computing, present in more than 190 job offers.
- R programming language, requested in 146 profiles.
The salary range, depending on experience, is as follows:
- 0-2 years: €18,000-27,000 gross/year.
- 2-5 years: 27.000-39.000 € gross/year.
- + 5 years: 39.000-50.000 € gross/year.
If you are thinking of specialising in data science or data analysis and you need advice on which courses or itineraries may be the most suitable, depending on your profile and knowledge, Fundación Telefónica’s Orientador Profesional Virtual offers you, free of charge, the opportunity to consult it and obtain detailed information on which options are the most suitable depending on your objectives.
Go ahead and raise your professional profile and become a data specialist!
