Kotlin Developer

Corsano Health; Den Haag; On-site; EUR 50,000 - 70,000; Full time

Job summary

Corsano Health, located in The Hague, is seeking a full-time Kotlin Developer to design and develop advanced applications for real-time patient monitoring. The ideal candidate will collaborate with teams to implement high-quality solutions and maintain software lifecycle standards.

You will work on exciting projects involving Bluetooth communication and secure data handling. Strong experience with Kotlin and understanding regulatory frameworks will be highly beneficial.

Qualifications

• Proven experience with Bluetooth Low Energy (BLE) 5.0.
• Strong analytical skills and ability to write high-quality code.
• Solid understanding of the full mobile development life cycle.

Responsibilities

• Design, develop, and maintain high-performance applications.
• Collaborate with cross-functional teams on projects.
• Implement secure data persistence and cloud communication.

Skills

Bluetooth Low Energy (BLE) 5.0

Analytical skills

High-quality code and best practices

Multi-threading programming

RESTful JSON APIs

Unit testing

Technical documentation

Secure coding

AI coding tools

Education

MSc in Computer Science

Tools

Bluetooth communication

REST API integration

Realm

Job description

Corsano Health, headquartered in The Netherlands with additional offices in Switzerland, is a pioneering MedTech company specializing in advanced real-time remote patient monitoring solutions. Its cutting-edge, CE-MDR medically certified, and FDA-cleared multi-sensor bracelet enables continuous tracking of vital signs, offering unrestricted access to raw data for advanced AI-driven therapy development. Corsano’s solutions contribute to reducing healthcare costs, improving patient outcomes, and enhancing clinical decision-making. The company is dedicated to delivering innovative healthcare technology to elevate patient care and quality of life.

Role Description

This is a full-time on-site role for a Kotlin Developer, based in The Hague. The Kotlin Developer will be responsible for designing, developing, and maintaining high-performance applications. This includes collaborating with cross-functional teams, implementing object-oriented programming principles, and ensuring an efficient software development lifecycle to deliver robust and scalable solutions. The candidate will work on innovative projects that drive advancements in remote patient monitoring and healthcare technology.

Your Impact

• Create exciting Kotlin applications connected via Bluetooth 5.0 to wearables
• Improve and maintain our Kotlin applications and SDK
• Contribute to codebase maintenance and optimization
• Implement secure data persistence, REST API integration and cloud communication between the mobile apps and our backend platform
• Write, review and maintain technical documentation in line with our medical device software lifecycle (IEC 62304)
• Design and execute unit, integration and system tests, and support verification and validation activities required under MDR and FDA regulations
• Contribute to the release process, including traceability, change control and release documentation
• Work with team developers on-site and off-site
• Create technical specifications for off-site developers and follow-up
• Follow latest technologies and changes to keep the platform up to date

Minimum Qualifications

• MSc in Computer Science
• Proven experience with Bluetooth Low Energy (BLE) 5.0
• Strong analytical skills
• High quality code and knowledge of best practices
• Solid understanding of the full mobile development life cycle
• Experience with multi-threading programming
• Experience consuming RESTful JSON APIs and handling secure cloud communication (HTTPS, authentication, token management)
• Experience with local mobile databases (e.g. Realm)
• Experience writing clear technical documentation (design, architecture, test reports)
• Hands-on experience with unit testing, integration testing and test automation
• Awareness of medical device software development standards (IEC 62304) and regulatory frameworks such as MDR and FDA 21 CFR Part 820 is a strong plus
• Hands-on experience using AI coding tools such as Claude Code, Cursor, or GitHub Copilot in day-to-day development, with strong prompt engineering skills and a critical eye for reviewing AI-generated code
• Secure coding, apply security measures, (basic) knowledge about ISO27001
• Ability to take responsibility for the implementation, quality and maintenance of new and existing features
• Clear communication skills and an ability to work well with others

Best Fit

• Secure BLE communications
• Testing and continuous integration experience
• Previous experience working in a regulated medical device or health-tech environment
• Familiarity with advanced AI-assisted development workflows (custom agents, MCP integrations, automated code review pipelines, etc.)