Netcompany A/S

Senior Mobile App Developer

Netcompany A/S · London, UK
London, UK Posted 2026-09-24
Type
Full-time
Experience
5+ yr

We are seeking a talented Mobile App Developer with Kotlin expertise to join our growing mobile development team. As mobile-first solutions become increasingly critical to our client delivery, we need a skilled developer who can design, build, and maintain high-quality Android applications and contribute to cross-platform development initiatives. This is an excellent opportunity to work on diverse projects across consulting environments, leveraging Kotlin Multiplatform to expand reach and efficiency.

Key Responsibilities

  • Design and develop robust Android applications using Kotlin, following best practices and architectural patterns
  • Implement and maintain Firebase services
  • Develop and maintain cross-platform solutions using Kotlin Multiplatform, maximizing code reusability across platforms
  • Enhance and optimize existing mobile solutions, identifying improvement opportunities and implementing technical enhancements
  • Collaborate with product managers, designers, and backend developers to translate requirements into scalable mobile solutions
  • Write clean, maintainable code with comprehensive testing and documentation
  • Participate in code reviews and contribute to continuous improvement of our development processes
  • Support clients in understanding mobile best practices and GDS service standards where applicable
  • Troubleshoot and resolve technical issues, optimizing app performance and user experience
  • Contribute to architectural decisions and evaluate emerging technologies

Essential:

  • Proven experience developing production Android applications with Kotlin
  • Hands-on experience with Kotlin Multiplatform development
  • Hands-on experience with Google Firebase
  • Experience enhancing and optimizing existing mobile solutions
  • Strong understanding of mobile development principles and UI/UX considerations

Desirable:

  • Familiarity with GDS Service Standard and government digital services
  • Background working in consultancy or client-facing environments

Are you ready to join the forefront of technology innovation with Netcompany?

As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting.

Operating across both public and private sectors, we offer a comprehensive range of services from application development and seamless cloud migration to program delivery and service operations, our offerings are designed to meet diverse business needs.

Benefits:

  • Hybrid working model with some flexible working
  • 25 days’ holiday
  • Private Medical Health care via Vitality
  • Pension contribution, Life Assurance
  • Professional certifications supported as part of learning and development.
  • A range of retail discounts to enhance your lifestyle, encompassing restaurants, supermarkets, travel, leisure activities and health and well-being services.
  • Access to our Employee Resource Groups, our groups represent diverse backgrounds and provide a platform for colleagues to connect, learn, and support one another.

Join Netcompany, where we proudly hold the 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees’ Choice Awards for 2024.

At Netcompany, we pride ourselves on our entrepreneurial spirit and our capacity for doing things differently. Our culture is built on fostering low bureaucracy, emphasizing high agility and promoting flexibility, enabling everyone to contribute their best.

Our journey began in the UK with the acquisition of Hunter Macdonald in 2017. As one of Northern Europe's most accomplished IT companies, we have expanded our headcount globally to 7400+ employees and have offices in UK, Denmark, Norway, Poland, Holland and Vietnam.

Netcompany is committed to providing an inclusive and barrier-free recruitment process for anyone wishing to apply for a job with us.  We operate a Disability Confident Interview Scheme which means that we offer guaranteed interviews to all applicants with a disability who meet the minimum criteria for a role. Applicants are asked to opt in, so please let us know if you wish your application to be considered under this scheme.

If you need any reasonable adjustments or extra support during the recruitment process, please contact us at  [email protected] .

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Kotlin
Netcompany

Netcompany

IT Consulting · Public · Copenhagen, Denmark

Stage & Valuation
Public · $2.3B
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Netcompany provides IT consulting services and innovative digital solutions to empower societies, companies, and institutions. The company delivers application development, platform integrations, and data-driven systems to help clients optimize their processes and stay competitive.
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