Learn about knok
At knok, we dare to lead and humanize the digital transformation of healthcare. We envision a world where everyone has timely access to quality healthcare through digital technology, creating a more equal society. We genuinely believe in it and you can recognize it in every person who embraces this mission.

Through a Digital Front Door strategy, knok connects patients, providers and healthcare professionals in one place. Our API-first white-label platform enables a continuous, engaging and personalised healthcare experience for all conditions through a cutting edge Patient Journey Engine.

With regular clinical practice as our main source of knowledge, we leverage ready-to-use data to improve care automation and increase financial savings. Since 2015, we have enabled more than 2.5 million clinical interactions in over 12 countries. Our platform is scalable and AI-ready, enhancing the power of data-driven care to deliver better outcomes during all stages of life.

Are you ready to join us in revolutionizing healthcare and making a tangible impact on people's lives?

About the role

We are looking for a Junior Backend Developer to assist in creating systems that integrate data and interfaces for Digital Healthcare in a secure, reliable, and scalable manner. As a Junior Backend Developer, you will support the development of system architecture and help design solutions to meet the project's technical requirements under the guidance of senior developers.

As a Junior Backend Developer, you will:

• Collaborate with cross-functional teams to develop, test, and deploy scalable applications.
• Write clean, maintainable, and efficient code, following best practices for backend development.
• Participate in code reviews, offering and receiving constructive feedback to ensure code quality.
• Work closely with senior developers to implement features and troubleshoot issues in existing systems.
• Contribute to database design and optimization.
• Assist in developing and maintaining automated tests to ensure application reliability.
• Attend daily stand-ups and contribute to sprint planning, estimations, and retrospectives in an Agile environment.
• Investigate and resolve bugs and performance issues as they arise.
• Stay updated on the latest technologies and best practices relevant to knokcare’s technical landscape

About you

To be considered for this role, here are the skills we’re looking for:

• 1+ years of experience working as a backend developer, ideally with Ruby on Rails.
• Basic understanding of database systems, particularly PostgreSQL, and familiarity with writing and optimizing queries.
• Knowledge in RESTful APIs structure and implementation.
• Familiarity with version control systems, such as Git.
• Exposure to testing frameworks like RSpec and an understanding of automated testing practices.
• Fluency in English, spoken and written.
• Ability to work collaboratively within an Agile team environment.
• A very proactive attitude towards learning new technologies and improving skills.
• Strong attention to detail, with an emphasis on writing clean, maintainable code.
• Basic understanding of how backend systems integrate with front-end components and external services.

Extra credit if you have:

• Experience integrating with external systems, especially healthcare systems.
• Experience with Grape library.
• Experience with Redis, Sidekiq, and other background processing tools.
• Contributed to or maintained an open source library.
• Experience working with microservices architecture and containerization.
• Knowledge of DevOps practices and containerization tools like Docker and Kubernetes.
• Knowledge of possible performance improvements both on the application and database sides, including database indexing, query optimization, and caching strategies.