Senior Software Developer — Tolling and Revenue Systems

Arcadis is the worlds leading company delivering sustainable design engineering and consultancy solutions for natural and built assets.

We are more than 34000 people in over 30 countries dedicated toimproving quality of life. Everyone has an important role to play. With the power of many curious minds together we can solve the worlds most complex challenges and deliver more impact together.

Role description:

We need an experienced senior developer to play a critical role in delivering world-class tolling and revenue systems. This is a hands-on role with real technical influence: you will own significant features end to end shape design decisions on systems that handle money and regulated data and

set the standard for how the team writes and reviews code. Because these systems are revenue-critical and run continuously we need someone who will see a problem through to resolution in production.

We are equally interested in how you work: pragmatic about tools and process willing to make the call on what fits the problem in front of you and able to raise the capability of the people around you rather than just your own throughput.

Role accountabilities:

What Youll Be Working On

Feature-driven development within a distributed team of developers testers business analysts and project managers.

Design development testing and maintenance of secure services and applications across the tolling stack roadside and lane software back-office transaction and account processing and customer-facing web and mobile channels.

Interfaces to external systems payment and financial processors CRM platforms IVR and contact centre systems interoperability hubs registry lookups and third-party violation and collection services.

Software deployment and support of production systems for various clients around the world.

Peer review of solution designs architectures and code and hands-on support when production issues arise.

Software Development

Provide senior-level full-stack development across front end back end and database with emphasis on systems design in a revenue-critical environment.

Build and extend back-office capability: transaction and trip processing account and customer management fare and toll rate configuration money handling and settlement video and image auditing and violation processing.

Develop and maintain customer-facing web portals and mobile applications and the APIs behind them.

Integrate with roadside and lane systems automated payment machines and customer display devices working with the roadside team on interface definition and troubleshooting.

Define automated tests that prove the correctness of service logic and optimize data storage and retrieval against SQL Server and Oracle databases.

Identify and mitigate security risks participate in security reviews and vulnerability remediation and support compliance obligations that apply to payment and personal data.

Support delivery and operations teams through deployments upgrades and production incidents and work with client technical staff during integration testing and acceptance.

Make effective use of modern development tooling including AI-assisted coding tools with sound judgment about where they help and where they introduce risk.

Technical Leadership

Provide technical direction to other developers and aid decision making by evaluating options for best fit.

Perform code reviews with constructive specific feedback advocating for best practices and consistency.

Review and advise on effort estimates and client feature requests and contribute to technology stack evaluations and architectural direction.

Mentor developers promote a culture of continuous learning and accountability and drive improvement in quality and delivery efficiency.

Qualifications & Experience:

Minimum seven years of professional software development experience.

Deep practical knowledge of C# including Web API.

Experience with front-end technologies particularly Angular and TypeScript.

Strong relational database skills with SQL Server and/or Oracle including query development optimization and support.

Comfortable working with AI-assisted development tools such as GitHub Copilot as part of day-to-day delivery.

Experience delivering and maintaining customer-facing production systems with a track record of owning issues through to resolution.

Understanding of distributed systems application of software patterns and pros and cons of different architectural choices.

Strong grasp of the full software development life cycle including CI/CD testing strategy and deployment practices.

Confident clear communication with clients as well as colleagues.

Bachelors degree in Computer Science or a related field or equivalent practical experience.

Nice to Have

Experience with tolling transit fare collection payments billing or another revenue or transaction processing domain.

Familiarity with payment processing PCI DSS obligations or financial reconciliation and settlement.

Experience integrating with CRM platforms such as Dynamics 365 or with contact centre and IVR systems.

Mobile development experience or exposure to additional front-end frameworks such as React or .

Experience in a consulting or client-delivery setting working across distributed international teams.

Why Arcadis

We can only achieve our goals when everyone is empowered to be their best. We believe everyones contribution matters. Its 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.

Youll do meaningful work and no matter what role youll 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 are an equal opportunity and affirmative action employer. Women minorities people with disabilities and veterans are strongly encouraged to apply. We are dedicated to a policy of non-discrimination in employment on any basis including race creed color religion national origin sex age disability marital status sexual orientation gender identity citizenship status disability veteran status or any other basis prohibited by law.