Kotlin Developer Hiring Trends in United Kingdom

This report was last updated on Aug 17, 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 the United Kingdom has shown significant fluctuations, with a peak of 94 new job postings in week 21 and a decrease to just 3 by week 32, indicating the need for effective recruitment strategies.
Currently, there are numerous job openings for Mobile Kotlin Engineers, but the available talent pool suggests that hiring may be challenging, as the demand for qualified candidates outstrips supply.
The most prominent companies hiring Mobile Kotlin Engineers include Auto Windscreens, bet365, and major players like Google and JPMorgan Chase, highlighting a diverse landscape of employers across various sectors.
Full-time positions dominate the employment type distribution, accounting for 91% of the market, indicative of the strong preference for stable, long-term employment among Mobile Kotlin Engineers.
London remains the top city for Mobile Kotlin Engineer job opportunities, comprising 89% of the total postings, while the time to hire averages 33 days, emphasizing the competitive nature of recruitment in the UK.

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

The Mobile Kotlin job market in the United Kingdom has experienced notable fluctuations over the last 12 weeks, with a peak of 94 new job postings in week 21, followed by a significant decline to just 3 postings by week 32. This trend reflects an overall recruitment challenge, as evidenced by a higher number of job closures, peaking at 54 in week 24. In contrast, Mobile Kotlin Developer opportunities across Europe have demonstrated more stability, emphasizing the need for targeted recruitment strategies among CTOs in the UK tech sector to attract and retain Senior Mobile Kotlin Developers amidst an increasingly competitive landscape.

Who else is hiring for mobile Engineers in United Kingdom:

Company name	Country	Industry	Founded	# Job openings
TieTalent	Switzerland	Information Technology & Services	2017	57
DataAnnotation	United States	Information Technology & Services	null	41
TELUS Digital	Canada	Information Technology & Services	2005	35
Sigma AI	United States	Information Technology & Services	2008	34
Auto Windscreens	United Kingdom	Automotive	1971	23
JPMorganChase	United States	Financial Services	null	19
Google	United States	Information Technology & Services	1998	14
Bending Spoons	Italy	Information Technology & Services	2013	14
bet365	United Kingdom	Gambling & Casinos	2000	14
Greene King	null	null	null	12

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Talent pool vs job openings for Mobile Engineers in United Kingdom

How competitive it is to hire Mobile Engineers in United Kingdom

The talent market for Mobile Kotlin Engineers in Europe reveals significant disparities among countries. In the United Kingdom, there are currently numerous job openings, yet the available talent pool shows a ratio of talent pool to job openings that indicates a competitive landscape. For instance, Germany and France also present considerable job openings for Mobile Kotlin Developers but have larger talent pools compared to the UK. Conversely, countries like Poland display a higher ratio of talent pool to job openings, suggesting that hiring talent in the UK may prove more challenging as demand continues to outstrip the available supply of qualified candidates. Hiring managers, therefore, should prepare targeted recruitment strategies to navigate the complexities of this competitive hiring environment.

Seniority distribution of Kotlin Engineer job openings in United Kingdom

Seniority Distribution of Kotlin Engineering Jobs in United Kingdom

The seniority distribution of Mobile Kotlin Engineering jobs in the United Kingdom reveals that 88% of positions are classified as Mid-Senior level, making it the predominant category. Entry-level roles account for 10% of the market, while Director positions constitute 2%. This distribution highlights the significant demand for experienced Mobile Kotlin Engineers, guiding hiring managers in recruitment strategies.

Preferred employment type for Engineering roles in United Kingdom

In the United Kingdom, the employment type distribution for engineering roles is notably dominated by full-time positions, making up 91% of the market. Contract roles follow, representing 9% of job opportunities, while part-time positions account for just 2%. This distribution underscores the strong preference for full-time employment among Mobile Kotlin Engineers and reflects the broader trends in the UK's tech sector.

Time to Hire Distribution for Mobile in United Kingdom

How long does it take to hire Mobile Engineers

The time to hire distribution for Mobile Kotlin Engineers in the United Kingdom reveals significant trends that hiring managers should consider. The largest share of hires (983 candidates) occurs within 30 days, indicating a competitive market where swift recruitment is essential. Notably, 432 candidates were hired within 15 days, suggesting that expedited hiring processes can yield quicker placements. However, there is a noticeable drop as the time to hire extends beyond 30 days, with only 370 candidates hired within 35 days, and even fewer (263) at 40 days. This pattern emphasizes the need for recruitment strategies that focus on efficient processes to attract top talent in a rapidly evolving tech landscape.

Expolore reports from other European Developer talent pools

Insights for hiring Android Engineers in London

The Mobile Android Engineers job market in the United Kingdom, particularly in London, is currently facing notable fluctuations, with a peak of 30 new positions posted in week 28 and a concerning 49 job closures in week 24 over the past 12 weeks.

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Insights for hiring Mobile Engineers in Lyon

The Mobile Engineers job market in France, particularly in Lyon, has shown fluctuating trends with a peak of 18 new roles opened in week 30 and notable closures, emphasizing the dynamic nature of this sector.

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Insights for hiring Android Engineers in Barcelona

The Mobile Android Engineers job market in Spain, particularly in Barcelona, has experienced notable fluctuations, with a peak of 19 new positions in week 30 and a closing of 14 positions in week 23 over the last 12 weeks.

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Most popular cities in United Kingdom to hire Mobile Engineers

Top 5 cities in United Kingdom to hire Mobile Engineers

In the United Kingdom, the distribution of Mobile Kotlin Engineer job openings reveals a significant concentration in London, which accounts for 89% of the total job postings. Following London, Manchester represents 3% of the market, while other regions such as Bristol and Edinburgh contribute 1% and 1%, respectively. This data underscores the dominance of the capital in the Mobile Kotlin job market, as illustrated in the accompanying chart.

Most sought after technologies in United Kingdom for Kotlin

Key technologies for Kotlin Engineers

The Mobile Kotlin job market in the United Kingdom is significantly influenced by several key technologies that are in high demand among employers. Notably, Kotlin itself stands out as a pivotal technology with a frequency of 2794, reflecting its robustness in mobile app development. Additionally, Java remains a cornerstone technology with 2581 occurrences, showcasing its compatibility with Kotlin in multi-platform projects. Other important technologies include Android at 718, which is directly aligned with mobile development needs, and Microservices at 561, indicating a shift towards scalable and modular application architectures. This data is further illustrated in the accompanying chart, providing insights into the frequency of these technologies within the current job landscape.

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