Kotlin Developer Hiring Trends in Brussels, Belgium

This report was last updated on Sep 6, 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 Mobile Kotlin Engineers job market in Belgium, particularly in Brussels, is characterized by a competitive hiring landscape with 30 new positions posted over the past 12 weeks and 27 positions closed during the same period.
Brussels dominates the Mobile Kotlin job market, with 841 positions available, accounting for 67% of the total openings in Belgium, followed by Antwerp and Ghent with 14% and 8%, respectively.
Key players in the hiring landscape include companies such as Swift, Barco, and Guardsquare, highlighting the strong presence of local firms seeking Mobile Kotlin talent.
The median time to hire for Mobile Kotlin Engineers in Belgium is approximately 31 days, necessitating that hiring managers streamline their recruitment strategies to attract top talent efficiently.
The demand for Mobile Kotlin Engineers is notably high, with 63% of job openings targeting Mid-Senior level positions, indicating an increasing need for experienced engineers in this evolving sector.

Number of roles opened and closed for Kotlin Engineers in Brussels in the last 3 months

Over the past 12 weeks, the Mobile Kotlin engineering job market in Belgium Brussels has shown fluctuating trends. With a total of 30 new positions posted, the peak was observed in week 28 with 6 jobs, while the lowest was in weeks 31 and 27 with only 1 and 2 new roles respectively. In contrast, 27 positions were closed during this period, reflecting a closure rate that suggests a competitive hiring landscape. Compared to other technology roles in the region, the number of openings for Mobile Kotlin developers demonstrates emerging demand, distinguishing this niche from other general tech positions in Belgium Brussels and across Europe.

Who else is hiring for mobile Engineers in Belgium:

Company name	Country	Industry	Founded	# Job openings
Alan	France	Insurance	2016	18
Swift	Belgium	Financial Services	1973	16
Canonical	United Kingdom	Information Technology & Services	2004	14
TELUS Digital	Canada	Information Technology & Services	2005	12
TieTalent	Switzerland	Information Technology & Services	2017	7
Barco	Belgium	Information Technology & Services	1934	6
Belgie Vacature	Netherlands	Human Resources	2011	6
Guardsquare	Belgium	Information Technology & Services	2014	5
Egov Select	Belgium	Information Technology & Services	2001	4
Capgemini	France	Management Consulting	1967	4

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Talent pool vs job openings for Mobile Engineers in Belgium

How competitive it is to hire Mobile Engineers in Belgium

The mobile Kotlin job market in Belgium, particularly in Brussels, reflects a competitive landscape for hiring managers. With a significant number of openings in comparison to the available talent pool, the jobs-to-talent ratio indicates an increased challenge in sourcing skilled Mobile Kotlin Engineers. For instance, while Belgium exhibits a promising number of job opportunities, countries like Germany and the Netherlands show even higher ratios, suggesting a more saturated talent marketplace. In contrast, a country like Poland presents a larger talent pool in proportion to its openings. Consequently, hiring managers must adopt strategic recruitment strategies to attract top-tier talent in Belgium and align with the emerging trends in hiring Senior Mobile Kotlin Developers across Europe.

Seniority distribution of Kotlin Engineer job openings in Brussels

Seniority Distribution of Kotlin Engineering Jobs in Brussels

In the Mobile Kotlin job market in Belgium Brussels, the seniority distribution reveals a notable trend among available positions. The Mid-Senior level constitutes 63% of the jobs, showcasing the demand for experienced engineers. Entry level roles account for 22%, indicating a healthy influx of newcomers into the field. Additionally, Associate positions represent 9% of the job openings, highlighting opportunities for engineers seeking to advance their careers in this niche.

Preferred employment type for Engineering roles in Belgium

In Belgium's engineering job market, the majority of positions are classified as full-time, accounting for 91% of the total opportunities. Contract roles follow at 9%, representing a significant portion of the employment landscape. Part-time positions constitute a smaller share, making up only 1% of the available engineering roles.

Time to Hire Distribution for Mobile in Belgium

How long does it take to hire Mobile Engineers

The time to hire for Mobile Kotlin Engineers in Belgium exhibits significant variability, with the majority of candidates being hired within a range of 25 to 35 days. Notably, 242 positions were filled within the 25-day timeframe, while 249 were completed at the 30-day mark. This indicates a competitive recruiting landscape, particularly in Brussels, where hiring faster can enhance the chances of securing top talent. Additionally, hiring managers should be aware that a substantial portion of hires takes place between 10 to 45 days, with a total of 297 roles being filled in that interval. Understanding these metrics is vital for CTOs and recruiters aiming to refine their recruitment strategies in Belgium's growing tech sector.

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Most popular cities in Belgium to hire Mobile Engineers

Top 5 cities in Belgium to hire Mobile Engineers

In Belgium, the distribution of Mobile Engineer job openings reveals a significant concentration in major cities. Brussels leads with 841 positions, accounting for 67% of the total, making it a key location for Mobile Kotlin opportunities. Following Brussels, Antwerp offers 167 jobs, representing 14% of the market, while Ghent contributes 104 positions, comprising 8% of the openings. This data highlights the capital's dominance in the Mobile Kotlin job market in Belgium, as illustrated in the accompanying chart.

Most sought after technologies in Brussels for Kotlin

Key technologies for Kotlin Engineers

In the competitive Mobile Kotlin job market in Belgium, particularly in Brussels, several technologies stand out as essential for Mobile Kotlin Engineer roles. Kotlin itself emerges as the most prominent, with a frequency of 3,123, highlighting its centrality in mobile application development. Closely following is Java, utilized in 2,899 instances, reflecting its enduring relevance in the tech landscape. Additionally, Android ranks high with 756 mentions, underscoring the importance of mobile platform proficiency. Technologies such as Microservices, Spring Boot, and Agile methodologies further illustrate the diverse technical ecosystem that candidates are expected to navigate, as displayed in the accompanying chart.

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