Senior Data Engineer

Salary Competitive

Do you want to help people live richer lives with healthier habits? Lenus eHealth is a fast-growing software company building an intelligent nutrition and workout solution helping personal trainers, dieticians and health professionals scale their business while preserving a high degree of customisation – through our full-suite personal trainer CRM platform and coach-branded web and mobile apps for clients to follow meal and workout plans, track progress and stay in touch with their coach.


Lenus is experiencing strong financial growth. The company has been bootstrapped since its inception and currently has a recurring platform revenue of +12M DKK every month. Lenus is operating in Denmark, Sweden, Great Britain, and Germany – and is looking to further internationally expand in 2021.


We are looking for a talented senior data engineer, who will take part in establishing our high performance insight and personalisation platform. We want allow our personal trainers to drill down and analyse business data, segment clients by behaviour, trigger automated actions on specific events – all in in real time in our web application built in NodeJS and React.


Join our team

Our software has helped people lose over 100.000 kg and change their life with healthy habits, workouts and nutrition! This number has grown exponentially until now and we need you as our Software Engineer to help us maintain the growth.

As a Senior Data Engineer, your mission will be to

  • Help establish the foundation for an architecture that can accommodate, orchestrate, and combine large amounts of data across multiple sources and types.

  • Design developer friendly APIs

  • Construct a data store with appropriate storage and query types.

  • Provide possibilities to store and analyse time series event data.

  • Design and implement task execution systems where appropriate

  • Contribute to important discussions around different platform initiatives.

  • Take occasional charge in troubleshooting and maintaining high quality and low bug count in our core products.

Types of questions we would like to answer

  • Geolocating clients by IP

  • Distinguishing clients by multiple dimensions - all clients in London who was online within the last 4 hours and like vegan meals with potatoes

  • Finding all clients who hasn't tracked their workout within the last 14 days

  • Finding all clients who are 10% from reaching their weight loss goal more than 10 days faster than planned

  • Finding all clients for a coach with outstanding payments

  • How many clients who have an NPS score above 8 are extending their subscription beyond the initial 6 months.

About you:

Ideally, you

  • Are an Engineer at heart (please, see https://www.notion.so/lenus/Engineers-at-heart-6232f941df4b4b26828c4ca578abb83f)

  • Have 4 or more years of professional full time experience in hands-on software development.

  • Have solid written and verbal communication, are able to clearly articulate technically complex problems and solutions to both technical and non-technical colleagues.

  • Are proficient in handling and implementing data stores with large amounts of data and have no problem juggling between systems like Apache Spark, Kafka, ElasticSearch and similar technologies.

  • Have experience in working with relational databases like PostgreSQL.

  • Have experience working with GraphQL

  • Are attentive to detail with a high focus on writing high quality, maintainable code.

  • Are a true believer and a practitioner of automated testing at all levels.

  • Have willingness and ability to pick up new technologies and frameworks when required.

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Free coffee / tea
Free coffee / tea

Get your caffeine fix to get you started and keep you going.

Free friday beers
Free friday beers

Friday is something special, let's enjoy a beer together.

New tech gear
New tech gear

Are you a true Tech Savvy? Macbook, trackpad, you name it, we get you covered.

Gym access
Gym access

Short, tall, skinny, chubby we like you just as you are. But if you dream about a bum like J-Lo we got you covered.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

See all 12 benefits

Working at
Lenus eHealth

Lenus is a B2B2C company providing cloud-based software solutions to a broad variety of private and public health professionals. We develop intelligent platforms catalyzing more precise diagnostics and more efficient working processes. We are bootstrapped and 100% independent thanks to our fast growing revenue stream of currently +7M DKK in monthly recurring revenue. We are a dynamic and open minded team with diverse competences and a flat hierarchy.

Read more about Lenus eHealth

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