Senior Software Engineer (Backend) - Java & Kotlin
Posted on March 23, 2026 (2 months ago)
Senior Software Engineer (Backend) - Java & Kotlin
Would you like to take part in transforming healthcare? Qbtech is the global market leader in professional ADHD tests, providing tests that are both CE marked and FDA cleared for use as an aid in the assessment and treatment evaluation of ADHD for people age 6-60. Our vision is to transform healthcare by providing a complete system of leading objective tests, products and services that empowers clinical and financial decision-makers to improve outcomes and support patients to better understand their symptoms and treatment.
Qbtech is present in 14 countries with offices in Stockholm, London and Houston. Over the next years, Qbtech will make significant investments into new products, technologies and people to further strengthen their services and product offerings with the aim of building an ecosystem with solutions for providers, clinicians and patients.
About the role
We are looking for a Senior Software Engineer (SSE) for backend work in our product engineering team, developing systems and services for the Qbtech platform. Primary implementation languages are Java & Kotlin. The main focus of the work is coding (development) but an SSE works with the entire software delivery lifecycle. The role is based in Stockholm, Sweden and will report to the Engineering Manager.
Hybrid requirement: There is no possibility of a complete remote role. This is Hybrid with at least 3 days a week from office.
Essential duties and responsibilities
Qbtech’s development of products and services are controlled by Qbtech Quality Management Systems, international standards and certificates as well as specific laws. In accordance with those, essential duties and responsibilities are:
- Develop and document new product features & stories.
- Code reviews for peers.
- Maintain and improve legacy code.
- Manage DevOps and cloud infrastructure provisioning.
- Manage software deployment.
- Troubleshooting/investigation of incidents and bug fixing.
Candidate profile
We are looking for someone who has:
- Extensive development skills using Java and Kotlin.
- Strong problem-solving mentality.
- Knowledge of the Ktor framework.
- Knowledge of at least one well known test framework such as JUnit.
- Good knowledge of network infrastructure related to web applications (examples: load balancer, firewall, security groups, CDN etc.).
- Experience of working with service provisioning for at least one cloud platform (AWS, Google Cloud, Microsoft Azure).
- Experience of infrastructure as code (Terraform).
- Experience with containerization (Docker).
- Experience from working with Agile development methodologies.
- Excellent written and verbal communication skills in English.
- At least 6-8 years documented experience.
Qualifications
Bachelor's or Master's degree in Computer Science or a related field.
Fluent in English.
What Qbtech offers
At Qbtech you will have the opportunity to work on meaningful products that help people understand ADHD while transforming healthcare. You will work in an international environment with leading experts, lead development of best-in-class and first-in-class products and services globally. There are opportunities to learn, grow and expand into other technologies, with offered education and certifications relevant to the company's technologies.
How to apply
To apply, click the "Apply for this job" button on the job page to open the application form. The application form is handled through the careers site (Teamtailor).
Application notes
The page shows an application form that will load after pressing the button. If you have questions, you can visit Qbtech's careers site: https://careers.qbtech.com/jobs/7228162-senior-software-engineer-backend-java-kotlin