Mobile App Developer

• *Company Description**

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

• *Job Description**

As a Mobile App Developer (Toll), you will join our engineering team in developing robust, scalable, and mission-critical software for toll collection and transportation management systems. The ideal candidate will have strong experience in mobile app development, a good understanding of toll domain concepts or eagerness to learn fast, and a passion for solving real-world problems with clean, efficient code. You will work closely with project managers, team leaders, software developers, systems support professionals, and other stakeholders to ensure smooth and timely delivery of our technological solutions. We are seeking a long-term full-time employee for this role to help deliver and support state-of-the-art systems

Responsibilities

• Build, ship, and maintain cross-platform customer-facing mobile apps for iOS and Android using Ionic + Angular (Capacitor/Cordova as applicable) for the Toll Collection System.
• Collaborate with backend engineers to integrate APIs and real-time data securely and efficiently.
• Ensure mobile apps are optimized for performance, scalability, and responsiveness.
• Ensure high standards in app store deployment, release management, and app monitoring.
• Implement modern UI/UX principles and maintain consistency with design guidelines.
• Write clean, maintainable, well‑tested code; contribute to unit, integration, and end‑to‑end tests; validate on device farms (e.g., BrowserStack) and physical devices.
• Stay current with emerging mobile technologies and development trends.
• Participate in code reviews, documentation, and continuous integration/deployment workflows.
• Implement in-app purchases and fine-tune monetization flows.
• Obtain and retain product knowledge for the Toll Collection System.
• Resolve bugs or issues in the existing mobile apps of the Toll Collection System.
• Participate in the refinement of the vision.
• Assist (when required) software development lead, project managers and other team leaders in scope verification, effort estimations and planning/scheduling for the support of the existing mobile apps as well as the implementation of new apps or functionalities.
• Follow management meeting outcomes and provide insight, assessment and estimations on software related subjects when needed.
• Attend technical meetings and follow meeting outcomes.
• Organize internal team meetings to manage day-to-day operations.
• Support knowledge sharing meetings to advance team skills.
• *Qualifications**
• University degree in Computer Science, Engineering, or a related field.
• 3+ years of experience in software development and especially with JavaScript/TypeScript/CSS.
• Good knowledge of Angular and Ionic.
• Proven experience developing and publishing mobile applications with Ionic.
• Solid understanding of mobile app architecture, state management, and API integration.
• Experience with secure data storage, authentication (e.g. OAuth2.0 /OIDC), and encryption techniques.
• Knowledge of App Store and Google Play submission processes.
• Good knowledge of software version control tools (e.g., Git).
• Familiarity with CI/CD and release management.
• Familiarity with Agile or Scrum development methodologies.
• Strong debugging and troubleshooting skills.
• Excellent communication and teamwork abilities.

Some experience on the following technologies will be considered as an additional asset:

• Develop and deploy scalable Single Page Applications (SPAs) using Angular.
• Backend knowledge or familiarity: .NET, C# and Asp.Net.
• Knowledge or eagerness to explore different mobile technologies (e.g. Xamarin/MAUI, Flutter, React Native).
• Understanding of security and privacy requirements in tolling or transportation systems
• *Additional Information
• *Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

• *Our Commitment to Equality, Diversity, Inclusion & Belonging**

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.