Android Developer

4PS; Ede; Hybrid; EUR 65,000 - 95,000; Full time

Benefits offered by this job

Year-end bonus

Hybrid work environment

Home office allowance

Great Place to Work recognition

4PS Academy training

Job summary

4PS, part of the Hilti Group, seeks a Senior Mobile Apps Developer to design, build, and continuously improve mobile applications for Android and iOS. You will lead technical decisions, ensure quality and security, and collaborate with product managers, UX/UI designers, and other stakeholders in a Scrum team.

You will own complex features, drive architecture, and coach junior developers, while contributing to process improvements in a dynamic, international environment based in Ede.

Qualifications

• Minimum of 5+ years as a Software Developer with mobile development focus.
• Strong experience with .NET (Core/6+), ASP.NET Core REST APIs and backend services.
• Proven mobile app development for Android and/or iOS; familiar with MAUI or Xamarin.
• Solid Git practices; design principles like SOLID and Clean Code.
• Experience in Agile/Scrum environments and owning features end-to-end.
• Ability to translate requirements into robust, scalable mobile solutions.

Responsibilities

• Define and safeguard the technical architecture of mobile applications.
• Design, develop and maintain scalable mobile solutions across platforms.
• Make well-founded framework/tooling choices and lead complex features.
• Own end-to-end delivery and integrate APIs/external services.
• Mentor junior/mid-level developers and coach the team.
• Improve CI/CD processes and ensure code quality, security and performance.

Skills

Mobile development

.NET Core

ASP.NET Core

.NET MAUI

Android/iOS

Git

SOLID/Clean Code

Analytical skills

Ownership mindset

Agile/Scrum

UX focus

Tools

Azure DevOps

CI/CD (YAML)

Appium

Application Insights

Azure Cloud

Job description

Who are we?

4PS offers a comprehensive portfolio of ERP solutions based on Microsoft Dynamics Business Central, including related portals and apps, for companies in the construction industry. With over 400 professionals, we work every day on applications that make a real difference for our 450 customers worldwide.

Within our development teams, you will work alongside experienced and highly capable colleagues. We have a mature team with a strong mix of senior, medior, and specialized profiles. This means that as a senior you will not only provide direction but also engage in meaningful discussions at a high level and collaborate with peers who are used to taking ownership and delivering quality.

We are passionate and take pride in delivering results. As a team, we support and inspire each other, share knowledge, and grow professionally. In addition to working hard, we highly value enjoyment. We foster this by organizing regular social activities and maintaining a relaxed work environment.
4PS Group is now part of the Hilti Group. Together, we are working towards the mission: “Making Construction Better”.

What will you do?

As a Senior Mobile Apps Developer, you play a key role within the development team. You are responsible for designing, building, and continuously improving mobile applications for Android and iOS, ensuring they are scalable, high-performing, and future-proof.

You are involved in the full software development lifecycle and take the lead in technical decision-making. You ensure quality, security, and maintainability, while actively contributing to continuous improvement of processes and ways of working.

You work in a multidisciplinary Scrum team and act as a sparring partner for product managers, UX/UI designers, and other stakeholders. You take ownership of complex features and contribute to a strong team dynamic through knowledge sharing and coaching.

Your key responsibilities

• Defining and safeguarding the technical architecture of mobile applications
• Designing, developing, and maintaining scalable mobile solutions
• Making well-founded choices in frameworks, tooling, and technologies
• Taking end-to-end ownership of complex features and projects
• Integrating APIs and external services
• Ensuring code quality, performance, security, and maintainability
• Setting up and improving CI/CD processes and automation
• Coaching and mentoring junior and mid-level developers
• Acting as the technical point of contact for stakeholders
• Identifying risks and proactively proposing solutions

How do you work?

You are part of a Scrum team and collaborate closely with Product Management, UX/UI, and other development teams. You actively participate in Agile/Scrum processes and contribute to effective collaboration and continuous improvement.

You translate functional requirements into robust technical solutions, considering user experience, performance, and various scenarios such as offline and online usage.

What do you bring?

• At least 5+ years of experience as a Software Developer, including several years in mobile development
• At least 5 years of experience with .NET (preferably .NET Core / .NET 6+);
• Experience with ASP.NET Core (developing REST APIs and backend services);
• Experience with .NET MAUI or similar mobile frameworks (e.g. Xamarin);
• Proven experience in mobile app development (Android and/or iOS);
• Strong experience with Git (branching, pull requests, code reviews);
• Strong knowledge of software design principles (SOLID, DRY, Clean Code) Proven ability to build maintainable and testable software;
• Strong analytical and problem-solving skills;
• Affinity with mobile app development (UX, performance, offline/online scenarios);
• Ownership mindset and end-to-end responsibility for quality and delivery;
• Experience working in Agile/Scrum teams.

Nice to have

• Experience with CI/CD (e.g. YAML pipelines)
• Experience with Azure DevOps (Boards, Repos, Pipelines)
• Experience with test automation (UI testing such as Appium and API/integration testing)
• Experience with Azure or other cloud environments
• Experience with monitoring and logging (e.g. Application Insights)
• Knowledge of performance optimization (mobile and backend)
• Experience with AI tools in development (e.g. Copilot, AI-assisted testing)

Who are you?

You enjoy working independently and take strong ownership of your work and results. You have a clear and well-developed technical vision, which you are able to communicate effectively and convincingly to others. At the same time, you thrive in a collaborative environment, contribute actively to teamwork, and see yourself as a true team player.

What can you expect from us?

• An excellent salary with a year-end bonus;
• Working with high-end and the latest software from Microsoft and other vendors;
• A great workplace at our office in Ede, with all facilities to support your work;
• Flexibility in working hours and location, including remote work and a home office allowance;
• 28 vacation days based on full-time employment, with the option to purchase additional days;
• An ambitious and highly skilled team with experienced colleagues
• Increasing focus on AI and process optimization;
• Work that has a direct impact on customers and the industry;
• A role within an organization with strong national and international ambitions;
• A position where you can make an impact, with a high level of autonomy, independence, and responsibility;
• A certified Great Place to Work, recognized by our own colleagues;
• 4PS Academy – the place for internal and external training;
• 4PS Life – focused on a healthy and enjoyable work-life balance (e.g. LAN parties, social drinks, fresh fruit, periodic health checks, and company events).