Senior Kotlin Developer

Emergn; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A global digital services organization is seeking a Senior Kotlin Developer to enhance its mobile development team in Greater London. You will design and maintain advanced Android applications, collaborating with teams to deliver features while ensuring security and performance. The ideal candidate will have extensive experience in Kotlin and a strong portfolio of mobile applications. This position offers a dynamic work environment with competitive compensation and a flexible work model.

Benefits

Salary of 3,000 – 4,500 EUR gross/month

Flexible work model

Health insurance

20 working days of vacation

Life and disability insurance

Qualifications

• Proven experience in Android engineering with released applications.
• Extensive experience in Kotlin and modern Android tools.
• Understanding of mobile app security and performance optimization.

Responsibilities

• Design and maintain advanced Android applications using Kotlin.
• Collaborate with teams to define and ship new features.
• Optimize applications for performance, quality, and security.

Skills

Kotlin

Android development

Git

English proficiency

Job description

We are a global digital business services organization with a mission to improve the way people and companies work. Forever. Our Consulting, Technology and Learning teams design and deliver transformational digital products and experiences that add value to our clients’ businesses and to their customers’ lives.

Every day, across the world, our teams are pioneering faster, better ways to bring our client’s most exciting ideas to life.

As a Senior Kotlin Developer, you will be a key contributor to our mobile development team, working closely with designers and backend engineers to create scalable, secure, and performant applications.

Key Responsibilities:

• Design, develop, and maintain advanced Android applications using Kotlin.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Optimize applications for maximum performance, quality, and responsiveness.
• Ensure the security of mobile applications by applying industry best practices.
• Write clean, testable, and maintainable code using modern Android architecture patterns.
• Use Git for source control and contribute to a streamlined development workflow via pull requests and code reviews.

This job might be for you if you have:

• Proven experience as an Android engineer, with a strong portfolio of released applications.
• Extensive experience in Kotlin and modern Android development tools.
• Experience publishing apps to the Google Play Store, with a solid understanding of its submission process.
• Strong understanding of mobile app security, performance optimization, and quality assurance.
• Hands-on experience with Git and collaborative workflows such as GitFlow or trunk-based development.
• Excellent command of English, both verbal and written.
• Solid understanding of software engineering principles including object-oriented programming, testing, and debugging.

What we offer:

• Salary 3,000 – 4,500 EUR gross/month.
• Work within a dynamic international team of experts
• Excellent opportunity for personal and professional development
• Flexible work model and the freedom to choose the tools that suit you best – Mac or Windows
• Ability to work with modern technologies
• Extensive catalogue of educational programs, the possibility of training and certification at the expense of the company
• 20 working days of vacation per year
• Life and disability insurance
• Health insurance
• Big free parking
• Birthday gift

About Emergn

At Emergn, we’re driven to improve the way people and companies work. Forever.
We are enablers of ideas, champions of our client’s vision and recognized experts at using innovation to help you better connect with customers. If we sound like a different type of services firm, that’s because we are. Passionate about bringing ideas to market in the most impactful way, we help our clients place their customers at the heart of their business. Working with some of the world’s most established, successful brands, we know how to turn challenges into opportunities and real-world problems into smart products and solutions.