Mobile App Developer (English)

Mobile App Developer (English) - 4PS Nederland

Do you want to shape the technical direction of mobile solutions used daily by professionals, within a team of experienced and highly skilled developers? Do you take ownership of complex applications, architectural decisions, and team development, and enjoy collaborating and sparring at a senior level? Then this role as Senior Mobile Apps Developer at 4PS is for you.

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”.

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.

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

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

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.

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 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)

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.

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).

Are you currently living in the Netherlands? *

Do you need a VISA sponsorship now or in the near future? *

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