Job Description

Are you looking to impact and be part of something special, such as shaping the future of healthcare? Are you excited by the challenge of scaling complex databases powering critical solutions?





Sound like you? Keep reading.





At Semble, we are on a mission to enable health professionals to amplify their impact. We improve the way healthcare is delivered to millions of people by providing doctors and their teams with powerful, innovative, intuitive, and secure software. Our cloud-based clinical system is already used by thousands of clinicians, making their lives easier and saving them money, while structuring their health data to help research.





We are a passionate and driven team, proud to unite under strong cultural drivers:


Impact - We do work that matters. Collaboration - We are in it together. Human touch - We care deeply.




This role can be fully remote in the UK (with occasional travel to our London or Paris offices). We are unfortunately not able to consider candidates located outside these locations and time zones at this stage.

What you will be doing

The team is responsible for ensuring the scalability, reliability and performance of the database systems at Semble. We work closely with the development and infrastructure teams to produce the highest quality infrastructure. You will join a group of developers with the goal of doing quality work and daily improvements:




Combining user needs with business requirements and ensuring their technical feasibility, Working alongside designers, product owners and other team members to identify technical challenges early on and plan new solutions, Working across the backend of the application stack with NodeJS with Typescript, Mongodb, GraphQL, AWS and Terraform Managing the infrastructure in terraform Improving queries and database efficiencies leveraging indexing and schema changes Participating in code reviews to ensure code quality and dissemination of knowledge.


As a maturing company there are many opportunities for development, you will help us identify them and drive improvement.

What we are looking for

We are looking for someone who is an enthusiastic team player, excited to get involved in all aspects of the application. Specifically, we'd love you to have the following:


3+ years professional development experience Strong knowledge of database structure and query tuning Knowledge of NoSQL databases Comfortable with cloud-based applications and infrastructure as code, particularly with AWS A keen interest in Infrastructure as Code with real-world experience a plus Understanding of how to produce well tested, maintainable code Experience coding against databases preferably using JavaScript or TypeScript with Mongoose

What you'll get in return

The great feeling coming with knowing you do something that matters: shaping the future of healthcare! 50-65k package (based on your experience and the value you can bring) Autonomy and ownership - we'll set the vision and share the context, then we trust you to run with things - that's the reason we hire you! 36 days off: 25 holidays +bank holidays +3 extra days (birthday and 'feel good' days) - that we will expect you to actually take so you can recharge and rest. Company Equity - We appreciate and recognise all of our employees' contributions, so everyone is eligible for Semble share options! Private Health Insurance - covering physical and mental health, as well as dental, optical and a 24/7 virtual GP service. Hybrid & flexible work environment - work from anywhere in the UK, with also some flexibility to work across Europe. You decide how much or how little you go to the office. Get the tech you need - You will get the latest MacBook and take your pick across a wide range of equipment to set up your home office ergonomically. Work alongside an inspiring team - our two founders have started Semble after a successful startup exit, and your future colleagues are all knowledgeable and innovators in their field. Fantastic office space in Central London, right outside Monument - with a roof terrace, weekly animations, loads of natural light, and cute doggies! The usual free bits coming with nice offices (barista coffee, tea, fruits, happy hours and activities...).


We welcome applications from people of all backgrounds and all walks of life, including any typically underrepresented groups in the technology industry. We also encourage applications from disabled and neurodiverse candidates, so if there are any adjustments we can make to support you throughout the recruitment process, please do let us know.