Data Science Developer Hiring Trends in Leuven, Belgium

This report was last updated on Aug 16, 2025

Bence Gedai

Founder

I analyze live hiring data and tech job trends across Europe to give CTOs and Product Leaders a strategic edge. By tracking tens of thousands of open roles each week, I uncover which skills, roles, and locations are in highest demand — potential competitors, typical time to hire, talent pool sizes, and more to help you prioritize hiring, benchmark and stay competitive in a fast-moving market.

Key learnings from this report

The Data Data Science Engineers job market in Belgium, particularly in Leuven, has shown a dynamic landscape over the past 12 weeks, with a notable peak of 8 new job openings in week 29 and an average of 1 to 3 job closures per week, indicating a positive net demand for these roles.
The talent pool for Data Data Science Engineers in Leuven remains relatively broad, comprising a mix of mid-senior (44%), entry-level (31%), and internship opportunities (25%), suggesting hiring managers should diversify their recruitment strategies to include both experienced and emerging professionals.
Top hiring companies in Belgium Leuven include Canonical, TieTalent, and In4Matic, reflecting a vibrant tech ecosystem with ample opportunities for Data Data Science Engineer roles across multiple industries.
The median time to hire for Data Science Engineers in Belgium is 32 days, with swift recruitment strategies showing a greater likelihood of attracting top talent, as evidenced by 461 positions filled within 30 days.
Brussels remains the leading city for Data Engineer job openings within Belgium, holding 57% of the total postings, while Leuven accounts for 6%, underscoring its importance in the tech sector and highlighting key recruitment areas for CTOs in Belgium Leuven's tech landscape.

Number of roles opened and closed for Data Science Engineers in Leuven in the last 3 months

Over the past 12 weeks, the Data Data Science engineers job market in Belgium Leuven has exhibited varying dynamics. Specifically, there have been notable fluctuations in job postings, peaking at 8 new openings in week 29, which contrasts with a consistent closure of jobs, averaging between 1 to 3 per week. This indicates a positive net demand for Data Data Science developer positions despite an uptick in job closures, a trend that hiring managers in Belgium Leuven's tech sector should monitor closely. Comparatively, this rate of new job openings aligns favorably with hiring trends for similar roles in other European markets, suggesting a robust landscape for Data Science talent in Leuven.

Who else is hiring for data Engineers in Belgium:

Company name	Country	Industry	Founded	# Job openings
Canonical	United Kingdom	Information Technology & Services	2004	25
TieTalent	Switzerland	Information Technology & Services	2017	18
In4Matic	Belgium	Information Technology & Services	1999	12
Extia	France	Information Technology & Services	2007	11
Belgie Vacature	Netherlands	Human Resources	2011	11
Belfius	Belgium	Financial Services	1996	8
ENGIE - International Supply & Energy Management	null	null	null	8
Cegeka	Belgium	Information Technology & Services	1992	8
Capgemini	France	Management Consulting	1967	7
ENGIBEX	Belgium	Management Consulting	2011	6

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Talent pool vs job openings for Data Engineers in Belgium

How competitive it is to hire Data Engineers in Belgium

The data surrounding the job market trends for Data Data Science Engineers in Belgium, particularly in Leuven, reveals a competitive landscape. With a substantial number of job openings juxtaposed against the available talent pool, Belgium demonstrates a hiring ratio that suggests significant demand. In comparison, countries like Germany, France, and the Netherlands show varying ratios of job openings to talent availability. Notably, Belgium's ratio indicates that hiring Data Data Science Engineers may be moderately challenging, as the demand for skilled professionals often outstrips the existing talent pool, thus impacting recruitment strategies for CTOs in Belgium Leuven's tech sector.

Seniority distribution of Data Science Engineer job openings in Leuven

Seniority Distribution of Data Science Engineering Jobs in Leuven

In Belgium Leuven's Data Data Science job market, the seniority distribution reveals that 44% of positions are at the Mid-Senior level, making them the most prevalent. Entry-level roles constitute 31% of the market, while Internship opportunities account for 25%. This distribution underscores the importance of targeting seasoned professionals as well as emerging talent in recruitment strategies for CTOs and hiring managers within the tech sector.

Preferred employment type for Engineering roles in Belgium

In the Belgian job market for engineering roles, the predominant employment type is full-time positions, accounting for 90% of the opportunities available. Contract roles comprise 9% of the market, while part-time positions represent a modest 1%. These statistics illustrate the strong preference for full-time employment in the technology sector, highlighting trends relevant for hiring managers and CTOs in Belgium Leuven's tech ecosystem.

Time to Hire Distribution for Data in Belgium

How long does it take to hire Data Engineers

In Belgium, the data regarding time to hire for Data Science roles reveals significant insights for hiring managers in Leuven's tech sector. A pronounced 461 positions were filled within 30 days, indicating a competitive arena for Data Data Science Engineers, while 267 roles took up to 10 days to hire. Notably, 225 roles extended to a 15-day hiring timeframe, suggesting that swift recruitment can yield better talent acquisition. Likewise, with recruitment strategies varying, 108 positions necessitated a 40-day hiring process, which points towards a crucial need for hiring managers to adapt their approaches to maintain a strong position in the market. Understanding these timeframes is essential for CTOs and recruitment teams aiming to efficiently attract top Data Science talent in Belgium, particularly in Leuven.

Expolore reports from other European Developer talent pools

Insights for hiring Data Engineer Engineers in Denmark

The Data Data Engineer job market in Denmark has seen the opening of 40 new roles in the past 12 weeks, indicating a stable demand amidst low closure rates, with only 21 jobs closed during this period.

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Insights for hiring Data Science Engineers in Sweden

The Data Data Science Engineers job market in Sweden is experiencing significant fluctuations, with 44 new positions posted in week 27 alone, showcasing an increasing demand that outpaces the current talent pool.

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Insights for hiring Data Engineers in Warsaw

The Data Engineer job market trends in Poland, specifically in Warsaw, present a compelling landscape for hiring managers as they navigate recruitment strategies.

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Most popular cities in Belgium to hire Data Engineers

Top 5 cities in Belgium to hire Data Engineers

In Belgium, the distribution of Data Engineers job openings highlights a significant focus in urban centers. Brussels leads the market with 57% of the total job postings, followed by Antwerp at 15% and Ghent at 10%. Leuven, with 6% of the job opportunities, plays a noteworthy role in the tech ecosystem, particularly in the Data Data Science Engineers segment.

Most sought after technologies in Leuven for Data Science

Key technologies for Data Science Engineers

In the competitive landscape of the Data Data Science job market in Belgium, particularly in Leuven, certain technologies stand out as essential for aspiring professionals. Notably, Python leads the pack with a frequency of 5,846, underscoring its critical role in data manipulation and analysis. Following closely, Machine Learning and AI have significant traction, with frequencies of 3,002 and 1,795, respectively, indicating their importance in developing intelligent data-driven solutions. SQL, often regarded as the backbone of database management, is prominent with a frequency of 2,078, while Java, with a frequency of 1,689, remains a vital language for various data projects. Furthermore, the chart accompanying this section illustrates these trends in greater detail, highlighting the technologies shaping the Data Science sector in Belgium Leuven.

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