Kotlin Developer Hiring Trends in 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 job market in Belgium has experienced fluctuating trends over the past 12 weeks, with a peak of 12 job postings in week 27, indicating a growing interest for Mobile Kotlin Engineers.
Currently, there are 1,200 job openings for Mobile Kotlin Engineers in Belgium, supported by a talent pool of approximately 3,000 engineers, yielding a jobs-to-talent ratio of 2.5.
Brussels emerges as the leading city for Mobile Kotlin Engineer positions, accounting for 77% of openings, followed by Antwerp at 15% and Ghent at 9%.
The seniority distribution highlights a significant demand for Mid-Senior level professionals, which comprise 53% of available roles, illustrating the competitive landscape for hiring Senior Mobile Kotlin Developers in Belgium.
The median time to hire for Mobile Engineers in Belgium stands at 31 days, reflecting the need for hiring managers to implement efficient recruitment strategies to respond to a competitive market.

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

Over the past 12 weeks, the Mobile Kotlin job market in Belgium has exhibited fluctuating trends, with a notable spike in demand in weeks 26 and 27, where job postings peaked at 6 and 12, respectively. Despite this increase, the job market faced a considerable challenge with 19 positions closed in week 24 alone, indicating a higher turnover rate compared to other engineering roles in the region. In contrast, data from across Europe suggests that the demand for Mobile Kotlin Engineers is more stable in countries like Germany and the Netherlands, highlighting a potential gap in the recruitment strategies for CTOs in Belgium's tech sector. Given these insights, hiring managers should focus on proactive recruitment strategies to secure Mobile Kotlin Developer opportunities as demand gradually increases in the local market.

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 presents a unique challenge for hiring managers amidst a competitive landscape. With a count of 1,200 job openings and a talent pool of 3,000 available Mobile Kotlin Engineers, Belgium has a jobs-to-talent ratio of 2.5, indicating a moderate level of accessibility to skilled professionals. In comparison, the Netherlands exhibits a better ratio of 3.0 with 1,500 openings for 4,500 engineers, while Germany's lower ratio of 1.8 poses an even greater challenge with 2,000 job openings against 3,600 available talents. Given these metrics, hiring a Mobile Kotlin Engineer in Belgium may be more challenging compared to other European countries, especially as demand continues to rise in the broader European technology landscape, making effective recruitment strategies essential for CTOs and engineering managers.

Seniority distribution of Kotlin Engineer job openings in Belgium

Seniority Distribution of Kotlin Engineering Jobs in Belgium

The seniority distribution of Mobile Kotlin Engineering jobs in Belgium reveals a significant demand for Mid-Senior level professionals, accounting for 53% of the positions. Entry level roles follow, comprising 33% of the job market, while Associate positions make up the remaining 9%. This distribution highlights the competitive landscape for hiring Senior Mobile Kotlin Developers in Belgium, particularly given the prominence of experienced candidates who are actively sought after in this sector.

Preferred employment type for Engineering roles in Belgium

The employment type distribution for engineering roles in Belgium reveals a clear preference towards full-time positions, which account for 90% of the job market. In contrast, contract roles make up 9% of the available opportunities, while part-time positions represent just 1%. This distribution underscores the stability favored by employers and highlights the necessity for hiring managers to emphasize full-time roles when seeking Mobile Kotlin Engineers in the local market.

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 reveals significant insights into the job market dynamics. The majority of hires occur within a 30 to 50-day timeframe, with 249 instances recorded at 30 days and 45 at 50 days. Notably, 144 candidates were hired within 10 days, indicating a strong demand and responsiveness in the market. The distribution shows that while a considerable number of positions can be filled quickly, there is also a noteworthy segment of prolonged hiring processes, with some roles extending to 100 days or more. This data suggests that hiring managers and CTOs in Belgium should adopt effective recruitment strategies to optimize their hiring timelines, especially in the competitive landscape for Mobile Kotlin Developers.

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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 Engineers job openings reveals a significant concentration in the capital city, Brussels, which accounts for 77% of the total positions. Following Brussels, Antwerp represents 15% of job opportunities, while Ghent contributes 9%. This data, illustrated in the accompanying chart, underscores the centralization of talent demand in Brussels compared to other cities in the region.

Most sought after technologies in Belgium for Kotlin

Key technologies for Kotlin Engineers

In the current Mobile Kotlin job market in Belgium, several technologies play a critical role in shaping job requirements. The most prevalent technology is Java, with a frequency of 2899, reflecting its foundational status in mobile development. Kotlin follows closely, with a frequency of 3123, indicating its rapid adoption among developers. Additionally, Android, with a frequency of 756, continues to be essential for Mobile Kotlin Engineers, given its integration with Kotlin for app development. Other significant technologies include Microservices, at a frequency of 624, and Spring Boot, at 550, which enhance backend capabilities in mobile applications. For a visual representation of these trends, please refer to the accompanying chart.

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