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Senior Backend JavaScript Developer (f/d/m)

Permanent employee, Full-time · Berlin
Read job description in:
Deine Rolle
Note: This vacancy is shown only in English as we are currently looking for someone who is fluent in English due to the the internal communication in the engineering team with english speaking collegues.

YAS.life develops digital health services for health insurance companies, insurance companies, and corporate health management companies.
Our Mission: Change Habits! We support users and employees in permanently integrating health-conscious behavior into their everyday lives. We have already successfully positioned ourselves in our target market as several leading insurance companies and their customers are already getting successfully motivated by using our apps.

As a Senior Backend Javascript Engineer, you will be a part of ​our young and smart small team of Javascript developers and work within a cross-functional team. Besides these cooperations, you help our users to stay or become healthy by changing their behavior in a sustainable way. Digital health meets insure-tech.

Your main tasks will be:
  • Design and develop hybrid backend services by using one of the Javascript modern frameworks
  • Create new architectures for the backend services based on Javascript, GraphQL and Postgres DB
  • Migrate existing legacy code to the new microservices architecture
  • Optimize components for maximum performance across devices and browsers
  • Interact with our product managers, UX designers, and mobile development teams
  • Advise product owners and stakeholders on the technical feasibility of their ideas 
  • Use GIT as a versioning control system
  • Set up build and deployment processes via AWS.
Dein Profil
  • You have a Bachelor's or Master's degree in Computer Science / Engineering or related field, or equivalent professional experience.
  • Due to your 3+ years of experience in Javascript Development, you bring a solid foundation in computer science, with strong competencies in data structures, distributed systems, algorithms, and software design.
  • You are passionate about clean code architecture and software craftsmanship.
  • You show experience with developing complex software systems using modern frameworks, tools, and systems; experience with Node.js and React is a definite asset
  • A strong grasp and experience with relational databases; including PostgreSQL or MySQL
  • You have experience with GraphQL, Typescript, Express JS and background job processing (Exq, Sidekiq, Celery, Beanstalk, RabbitMQ).
  • You already worked with testing frameworks such as RSpec, Jest, or equivalent. debugging, fixing bugs, profiling tools, and security and data protection.
  • You bring knowledge and familiarity with caching strategies, tools, and integrate with third-party APIs.
  • Your passion for learning, continuous improvement, sharing, and working in a team environment and your high motivation and reliability are not only an asset but your daily work style.
  • You are fluent in written and spoken English, German is a plus
  • Nice to have: Working at startups, experience with React Native, knowledge, and familiarity with Microservices architecture.
Warum YAS.life
  • This is a permanent position within our IT team in Berlin and with competitive pay rates.
  • We offer you the unique opportunity of shaping, building, and developing a digital health startup and becoming part of the Berlin startup world.
  • Working in a company with a purpose: you have an impact on our users' wellbeing, by building a product that helps them to stay active and healthy.
  • Great opportunities for personal development, focused career training, and Knowledge Transfer sessions.
  • You will develop your skills in the mentioned tools and get insights into how your work impacts a fast-paced startup.
  • You will work and report to our Head of Engineering and work in a team with 4-5 Developers.
  • We develop your pro-activeness and initiative in various topics within the company.
  • You work in an open-minded culture with flat hierarchies and an awesome international team in Berlin-Mitte that shares the vision to positively influence the health of many people.
Deine Benefits
  • Agile digital working: when based in Berlin, we work in a hybrid model → your workplace is in vibrant Berlin-Mitte but as well you have the option to work via the mobile office. If you live outside of Berlin, we are also open to full remote work.
  • YAS.life Welcome package
  • Work laptop (macOS)
  • Support in Relocation and Visa topics
  • On- and offline events and GetTogethers, like team breakfast, joint lunch and running training as well as online games
  • Internal Referral program for employees
  • Subsidy for your Urban Sports Club membership and BVG-Ticket (local transport)
  • Loyalty bonus: Extra holiday per year of employment
  • Company pension plan
  • 1 month per year working abroad from outside of Berlin

#sayYAS?!
YAS, we are happy to hear from you. Please share your Github, LinkedIn Profile when sending your application. If possible, please also share work examples to see which projects you worked on. We are looking forward to getting to know you!
Jetzt bewerben
Über uns

YAS.life entwickelt digitale Gesundheitsservices für Krankenkassen, Versicherungen und das betriebliche Gesundheitsmanagement von Unternehmen.

Unsere Mission: Change Habits! Wir unterstützen Versicherte und Mitarbeiter spielerisch dabei, gesundheitsbewusstes Verhalten dauerhaft in ihren Alltag zu integrieren. Mit unserer Motivations-App YAS haben wir uns bereits erfolgreich in unserem Zielmarkt positioniert.

Your Role
YAS.life develops digital health services for health insurance companies, insurance companies, and corporate health management companies.
Our Mission: Change Habits! We support users and employees in permanently integrating health-conscious behavior into their everyday lives. We have already successfully positioned ourselves in our target market as several leading insurance companies and their customers are already getting successfully motivated by using our apps.

As a Senior Backend Javascript Engineer, you will be a part of ​our young and smart small team of Javascript developers and work within a cross-functional team. Besides these cooperations, you help our users to stay or become healthy by changing their behavior in a sustainable way. Digital health meets insure-tech.

Your main tasks will be:
  • Design and develop hybrid backend services by using one of the Javascript modern frameworks
  • Create new architectures for the backend services based on Javascript, GraphQL and Postgres DB
  • Migrate existing legacy code to the new microservices architecture
  • Optimize components for maximum performance across devices and browsers
  • Interact with our product managers, UX designers, and mobile development teams
  • Advise product owners and stakeholders on the technical feasibility of their ideas 
  • Use GIT as a versioning control system
  • Set up build and deployment processes via AWS.
Your Profile
  • You have a Bachelor's or Master's degree in Computer Science / Engineering or related field, or equivalent professional experience.
  • Due to your 3+ years of experience in Javascript Development, you bring a solid foundation in computer science, with strong competencies in data structures, distributed systems, algorithms, and software design.
  • You are passionate about clean code architecture and software craftsmanship.
  • You show experience with developing complex software systems using modern frameworks, tools, and systems; experience with Node.js and React is a definite asset
  • A strong grasp and experience with relational databases; including PostgreSQL or MySQL
  • You have experience with GraphQL, Typescript, Express JS and background job processing (Exq, Sidekiq, Celery, Beanstalk, RabbitMQ).
  • You already worked with testing frameworks such as RSpec, Jest, or equivalent. debugging, fixing bugs, profiling tools, and security and data protection.
  • You bring knowledge and familiarity with caching strategies, tools, and integrate with third-party APIs.
  • Your passion for learning, continuous improvement, sharing, and working in a team environment and your high motivation and reliability are not only an asset but your daily work style.
  • You are fluent in written and spoken English, German is a plus
  • Nice to have: Working at startups, experience with React Native, knowledge, and familiarity with Microservices architecture.
Why YAS.life
  • This is a permanent position within our IT team in Berlin and with competitive pay rates.
  • We offer you the unique opportunity of shaping, building, and developing a digital health startup and becoming part of the Berlin startup world.
  • Working in a company with a purpose: you have an impact on our users' wellbeing, by building a product that helps them to stay active and healthy.
  • Great opportunities for personal development, focused career training, and Knowledge Transfer sessions.
  • You will develop your skills in the mentioned tools and get insights into how your work impacts a fast-paced startup.
  • You will work and report to our Head of Engineering and work in a team with 4-5 Developers.
  • We develop your pro-activeness and initiative in various topics within the company.
  • You work in an open-minded culture with flat hierarchies and an awesome international team in Berlin-Mitte that shares the vision to positively influence the health of many people.
Your Benefits
  • Agile digital working: when based in Berlin, we work in a hybrid model → your workplace is in vibrant Berlin-Mitte but as well you have the option to work via the mobile office. If you live outside of Berlin, we are also open to full remote work.
  • YAS.life Welcome package
  • Work laptop (macOS)
  • Support in Relocation and Visa topics
  • On- and offline events and GetTogethers, like team breakfast, joint lunch and running training as well as online games
  • Internal Referral program for employees
  • Subsidy for your Urban Sports Club membership and BVG-Ticket (local transport)
  • Loyalty bonus: Extra holiday per year of employment
  • Company pension plan
  • 1 month per year working abroad from outside of Berlin

#sayYAS?!
We are happy to hear from you. Please share your Github, LinkedIn Profile when sending your application. If possible, please also share work examples to see which projects you worked on. We are looking forward to getting to know you!
Apply for this position
About us
YAS.life develops digital bonus programs for health prevention as a white label solution for insurances and corporates. Based on mobile applications, YAS.life creates digital touchpoints for healthy insured persons and accompanies them in integrating health-conscious behavior into everyday life. The core product developed by YAS.life is based on the gamification approach and rewards preventative behavior such as exercise, well-being, and healthy nutrition.

Our Mission: Change Habits!
Apply for this position
Your application
Thank you for considering a career at MAGNUM EST Digital Health GmbH. Please fill out the following form. In case you are experiencing problems with the document upload, mail your documents to job@yas.life.

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