Senior Software Engineer

We are seeking a talented and experienced Senior Software Engineer specializing in .NET MAUI to join our cross-platform mobile development team. In this role, you will design, build, and maintain high-performance applications that run seamlessly on Android, iOS, from a single shared codebase. You will work closely with product managers, UX designers, and backend engineers to deliver polished, production-grade experiences to our users.

As a senior member of the team, you will also mentor junior developers, contribute to architectural decisions, and champion engineering best practices across the organization.

Key Responsibilities

Design, develop, and maintain cross-platform applications using .NET MAUI targeting Android, iOS.

Architect scalable, maintainable solutions following MVVM, Clean Architecture, and SOLID principles.

Implement native platform integrations and custom renderers/handlers where platform-specific behaviour is required.

Proficiency with platform-specific APIs on Android (Java/Kotlin interop) and iOS (Swift/Obj-C interop).

Collaborate with UX/UI designers to translate wireframes and mockups into responsive, accessible user interfaces.

Integrate RESTful APIs and backend services with robust error handling.

Write comprehensive unit tests, integration tests, and UI tests using xUnit, NUnit, or MSTest along with Appium or similar frameworks.

Optimize application performance including startup time, memory usage, rendering, and battery consumption.

Conduct code reviews, provide constructive feedback, and mentor junior and mid-level engineers.

Participate in Agile ceremonies (sprint planning, stand-ups, retrospectives) and contribute to continuous improvement initiatives.

Stay current with .NET MAUI releases, Xamarin migration paths, and the broader .NET ecosystem.

Maintain CI/CD pipelines for automated building, testing, and deployment of mobile applications.

Requirements

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

8+ years of professional software development experience with C# and the .NET ecosystem.

5+ years of hands-on experience with .NET MAUI or Xamarin.Forms (with demonstrated MAUI migration expertise).

Proficiency with platform-specific APIs on Android (Java/Kotlin interop) and iOS (Swift/Obj-C interop).

Experience consuming and integrating RESTful and/or GraphQL APIs.

Solid knowledge of dependency injection, asynchronous programming (async/await), and reactive patterns.

Familiarity with Git-based workflows, pull request culture, and branch strategies (GitFlow, trunk-based).

Strong debugging, profiling, and performance-tuning skills across multiple target platforms.

Excellent written and verbal communication skills.

Good to Have

Knowledge of platform-specific design systems (Material Design, Apple Human Interface Guidelines, Fluent Design).

Hands-on experience with Azure DevOps, GitHub Actions, or App Center for CI/CD.

Familiarity with SQLite, Realm, or other embedded databases for local data persistence.

Experience with accessibility standards (WCAG) and building inclusive applications.

Contributions to open-source .NET or MAUI community projects.

Position: ICT Medical Implementation Expert

Start date: As soon as possible

Main responsibilities: You will be responsible for:

Managing the maintenance and evolution of a portfolio of IT solutions supporting medical and anti-doping activities within an international sports environment.

Acting as the key interface between business stakeholders, ICT teams, delivery teams, suppliers and partners to ensure that delivered solutions meet business needs and expectations.

Collecting, analysing and formalising business requirements, then translating them into clear technical briefs, user stories, test scenarios and documentation for the development teams.

Maintaining and refining medical and anti-doping product backlogs, ensuring that roadmaps remain accurate, up to date and aligned with business priorities.

Coordinating and delivering onboarding activities for business users, including workshops, training sessions and event-based enablement initiatives.

Supporting the adoption and operational use of digital medical solutions during events, workshops and conferences, including on-site support when required.

Acting as an escalation point between business units, ICT stakeholders and delivery teams, while helping to remove impediments and resolve operational issues.

Managing relationships with suppliers and partners, ensuring that service delivery meets contractual obligations, quality standards and project objectives.

Overseeing solution maintenance and support by testing functionalities, identifying incidents, coordinating fixes and suggesting continuous improvements.

Conducting quality controls based on predefined metrics and taking appropriate actions to ensure a high standard of delivery.

Supporting the delivery of projects and products in line with the roadmap, while fostering innovation and identifying opportunities for improvement, optimisation and cost savings.

Monitoring market trends and emerging technologies in order to identify new opportunities relevant to the medical and anti-doping digital ecosystem.

You have at least 5 years of proven experience in B2B product development, product delivery or digital solution implementation.

You have experience in application maintenance, support and operational delivery.

Experience in the medical industry, sports environment or international organisation is an asset.

You have a strong understanding of the software development lifecycle.

You are able to write clear user stories, manage backlogs and coordinate UAT, functional testing and defect tracking.

You are comfortable working with business stakeholders and technical teams, acting as a bridge between business needs and IT delivery.

You have experience with user onboarding, training delivery and stakeholder engagement, ideally in event-based or operational environments.

You have experience with data visualisation, analytics and data modelling.

You are proficient with product and backlog management tools such as Jira, Azure DevOps or equivalent.

You have experience with collaboration and documentation tools such as Confluence, SharePoint and Microsoft Teams.

You understand API-based integrations and REST/SOAP services.

You are familiar with cloud-based platforms and SaaS application environments.

You have a basic understanding of IT service management tools and processes such as ServiceNow or equivalent.

You are able to support and troubleshoot applications in live and operational environments.

Knowledge of data visualisation tools such as Power BI, Tableau or equivalent is an asset.

Familiarity with security and data protection principles, including GDPR awareness, is an asset.

Understanding of system interfaces, data flows and interoperability between applications is an asset.