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 Backend Engineer (Mid Level) to help build and improve systems that integrate data and the interface of Augmented Telemedicine, in an authenticated, reliable, and feasible way. If this makes sense, keep reading!

As a Backend Engineer, you will:

• Analyse requirements provided by the team's Product Manager and implement them;
• Develop and maintain our codebase using the Ruby on Rails framework;
• Write unit tests to ensure code quality and reliability;
• Create and maintain technical documentation;
• Work on automated tools to improve the development process;
• Look for problems and inefficiencies in code and find elegant solutions to them before they become major blockers;
• Participate in team ceremonies, contributing to our continuous improvement culture.

About you

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

• 3+ years of experience working as backend developer ideally with Ruby On Rails (experience with Laravel or Django is also valuable);
• Experience with PostgreSQL or other relational database systems;
• Ability to build production-ready REST APIs;
• Experience with RSpec (MiniTest would also be considered);
• Experience working with backend teams;
• Fluency in English, spoken and written;
• Strong sense of autonomy and ownership — you're comfortable making decisions, taking initiative, and driving tasks to completion;
• Proactive mindset — you're always looking for ways to improve systems, anticipate potential issues, and suggest innovative solutions rather than waiting for direction;
• Great teamwork skills, with the ability to share constant knowledge;
• Good communication skills to interact with different stakeholders among internal teams.

Extra credit if you have:

• Experience integrating with external systems;
• Experience with Grape Library;
• Redis and Sidekiq experience;
• You maintain or contribute to an open-source library;
• Experience working with microservices;
• Experience with Sinatra;
• DevOps knowledge;
• Knowledge of possible performance improvements both on the application and database.