Kotlin Developer Hiring Trends in Brussels, Belgium

This report was last updated on Aug 2, 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, reveals significant fluctuations with a peak of 18 new positions in week 21 over the last 12 weeks, but subsequent weeks show a worrying decline to only 2 to 3 postings.
Currently, there are 71% of all Mobile Kotlin job openings concentrated in Brussels, followed by Antwerp at 14% and Ghent at 9%, emphasizing the capital's dominance in the talent landscape.
Companies actively hiring Mobile Kotlin Engineers include Swift, TELUS Digital, and Barco, presenting strategic opportunities for hiring managers to target leading firms in the technology sector.
With a median time to hire for Mobile Engineers in Belgium standing at 28 days, timely recruitment is crucial for CTOs and Engineering Managers navigating a competitive job market with a significant jobs-to-talent ratio.
The current landscape indicates 60% of available roles target mid-senior level candidates, highlighting the strong demand for experienced Mobile Kotlin Engineers, necessitating refined recruitment strategies to attract qualified talent.

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

The Mobile Kotlin Engineers job market in Belgium Brussels has displayed notable fluctuations over recent weeks. In the last 12 weeks, a peak of 18 new positions was recorded in week 21, while subsequent weeks revealed a stark decline, with only 2 to 3 jobs posted in several weeks. Additionally, the trend of job closures indicates a growing concern, as an average of 4.5 roles were closed weekly, hinting at a tightening market. Compared to other tech roles, the Mobile Kotlin job market in Belgium Brussels shows higher variability, warranting strategic recruitment approaches for CTOs and Engineering Managers looking to attract talent in this niche.

Who else is hiring for mobile Engineers in Belgium:

Company name	Country	Industry	Founded	# Job openings
TieTalent	Switzerland	Information Technology & Services	2017	101
Swift	Belgium	Financial Services	1973	15
TELUS Digital	Canada	Information Technology & Services	2005	12
Canonical	United Kingdom	Information Technology & Services	2004	11
Alan	France	Insurance	2016	9
Spektrum	Spain	Management Consulting	2019	6
Belgie Vacature	Netherlands	Human Resources	2011	6
Barco	Belgium	Information Technology & Services	1934	5
BMW & MINI Jobs	Belgium	Automotive	null	4
Apprentus	Belgium	Government Administration	2014	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 hiring landscape for Mobile Kotlin Engineers in Belgium faces significant challenges, particularly when compared to neighboring countries. With a job opening count that significantly outnumbers the available talent pool, Belgium has a jobs-to-talent ratio that suggests a competitive hiring environment. In contrast, countries like the Netherlands, Germany, and France exhibit more favorable talent ratios, indicating easier access to qualified Mobile Kotlin Engineers. This disparity highlights the need for strategic recruitment approaches for CTOs and engineering managers in Belgium Brussels's tech sector, as the demand for experienced professionals continues to surge. Consequently, organizations must adapt their recruitment strategies to attract the limited talent within the Mobile Kotlin job market in Belgium Brussels.

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, particularly in Brussels, the seniority distribution reveals key insights for hiring managers. 60% of positions are aimed at Mid-Senior level professionals, followed by 24% targeting Entry level candidates, and 11% for Associate roles. This data highlights the substantial demand for experienced Mobile Kotlin Engineers, setting the stage for strategic recruitment initiatives tailored to attract qualified talent.

Preferred employment type for Engineering roles in Belgium

In Belgium's engineering sector, the employment type distribution reveals a strong preference for full-time positions, which account for 90% of available roles. Contract positions follow at 10%, constituting a substantial, albeit smaller, segment of the job market. Part-time and internship roles make up a minimal portion, representing only 2% and 1% of the total engineering opportunities, respectively.

Time to Hire Distribution for Mobile in Belgium

How long does it take to hire Mobile Engineers

The time to hire distribution for Mobile Kotlin Engineers in Belgium indicates a varied recruitment landscape. Notably, the majority of hires (213 instances) take approximately 30 days, showcasing a significant demand for timely placements. Following closely are candidates hired within 25 days (142 counts) and 15 days (81 counts), reflecting a competitive market for skilled professionals. Conversely, longer hiring durations of 60 days and beyond are less frequent, as evidenced by only 48 and 18 counts respectively. For CTOs and hiring managers, these insights can inform recruitment strategies tailored to the fast-paced demands of the Belgian 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 the Belgian job market for Mobile Kotlin Engineers, Brussels stands as the dominant hub, accounting for 71% of all relevant job openings. Antwerp follows with 14%, representing a significant but smaller share. Ghent rounds out the top three cities with 9%, highlighting a pronounced concentration of opportunities in the capital that is crucial for hiring strategies.

Most sought after technologies in Brussels for Kotlin

Key technologies for Kotlin Engineers

In the Mobile Kotlin job market in Belgium, particularly in Brussels, several key technologies emerge as fundamental to the hiring trends. Kotlin itself is the most prevalent technology, with a frequency of 2,390 occurrences, underscoring its importance in mobile development. Additionally, Java remains a significant player with 2,228 mentions, reflecting its ongoing relevance. Other common technologies include Android (619), Microservices (496), and Spring Boot (424), which are often integrated into mobile projects, enhancing their scalability and performance. This data highlights essential competencies for Mobile Kotlin Engineer candidates in Belgium's burgeoning tech sector, as illustrated in the accompanying chart.

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