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Backend AI Software Engineer (all) - TypeScript / NodeJS

Role overview

Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or related field OR equivalent work experience with a strong technical portfolio
  • 7+ years of backend development experience
  • Experience with testing frameworks (unit, integration, end-to-end)
  • Experience with performance testing and optimization

Responsibilities

  • Write clean, maintainable, and efficient code
  • Develop and integrate third-party APIs and services
  • Implement authentication and authorization systems
  • Deploy and manage applications in cloud environments (AWS, GCP)

About the company

XO Life logo

XO Life

XO Life stands for ✅ a state-of-the-art platform solution for long-term Patient Insights from the real world ✅ real time information exchange between patients and pharma ✅ a all-in-one platform to be used across all treatments and indications We are a young and dynamic eHealth company setting a new standard patient data collection through scientifically based questionnaires across all treatments and medications. XO Life helps the pharmaceutical industry to better understand its patients. Our goal is to make digital treatment monitoring and patient feedback the gold standard in R&D, marketing and sales, while ensuring the highest data protection and security standards. ➡️ Join us in shaping the future of patient centered medical data collection and learn more at:

Company details

Company typeStartup
Company size11 - 50

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Job description

Who we are looking for

We are seeking a skilled Backend AI Software Engineer to join our engineering team and build robust, scalable, and high-performance backend systems. This role involves designing and implementing server-side applications, APIs, and infrastructure that power our products and services.


Your mission

Development & Implementation

  • Write clean, maintainable, and efficient code
  • Develop and integrate third-party APIs and services
  • Implement authentication and authorization systems
  • Build data processing pipelines and background jobs
Engineering Tools
  • AI-assisted development: Ability to effectively use AI tools in daily development work

Database Management
  • Design and optimize database schemas
  • Implement data migration strategies
  • Ensure data consistency and integrity
  • Monitor and optimize database performance
System Design & Architecture
  • Design and implement scalable backend architectures
  • Build and maintain RESTful APIs
  • Optimize database queries and data structures
  • Implement performance optimizations and caching strategies
Infrastructure & Deployment
  • Deploy and manage applications in cloud environments (AWS, GCP)
  • Implement CI/CD pipelines and automated testing
  • Monitor system performance and troubleshoot issues
  • Ensure security best practices and compliance
Collaboration & Quality
  • Work closely with frontend developers, product managers, and designers
  • Participate in code reviews and maintain code quality standards
  • Write comprehensive technical documentation


Your background

Education & Experience

  • Bachelor's degree in Computer Science, Software Engineering, or related field OR equivalent work experience with a strong technical portfolio
  • 7+ years of backend development experience
  • Experience with testing frameworks (unit, integration, end-to-end)
  • Experience with performance testing and optimization
Technical Skills
  • Programming Languages: TypeScript/JavaScript, Node.js (primary stack)
  • AI development: Ability to effectively use AI tools in daily development work
  • Web Frameworks: Express.js, React (for full-stack capabilities)
  • Databases: MongoDB (primary), Redis for caching
  • Cloud Platforms: AWS, GCP
  • Containerization: Docker, Kubernetes (K8s)
  • Version Control: Git, GitHub/GitLab
System Design & Architecture
  • Understanding of distributed systems concepts
  • Knowledge of caching strategies (Redis, Memcached)
  • Experience with message queues (RabbitMQ, Apache Kafka)
  • Understanding of load balancing and scaling strategies
API Development
  • Experience designing and implementing RESTful APIs
  • Understanding of API security and authentication (JWT, OAuth)
  • Experience with API documentation tools (Swagger, Postman)
Soft Skills
  • Strong problem-solving and analytical abilities
  • Excellent debugging and troubleshooting skills
  • Good communication and teamwork abilities
  • Ability to work in agile development environments
Preferred Qualifications
  • Experience with event-driven architecture
  • Experience with monitoring and logging tools (ELK stack, Prometheus, Grafana)
  • Knowledge of machine learning integration and data pipelines
  • Familiarity with search engines (Elasticsearch, Solr)
  • Mobile Development: React Native, Expo (bonus for cross-platform understanding)
Please note that you must have the legal right to live and work in the European Union (EU). Applications from candidates residing outside the EU cannot be considered.


Why us?

  • Top Tech company in Digital Health: A dynamic, high-growth environment where everyone in the team depends on each other's performance. You can see your impact. We learn and develop quickly.
  • True impact in healthcare: What we are building with our brite platform is unique worldwide, ambitious, and could have a huge impact on billions of people who are ill or interested in health.
  • International team: We are 14 nationalities working across Europe. We bring different mentalities and cultures with us, but we are all aligned towards our grand vision. 
  • 100% remote with best IT equipment: We work 100% remotely, meet regularly for special team events and team offsite weeks, for example, in Tuscany, the Alps, or Mallorca. You will receive a Mac computer so that you are already technically up to speed. 


Hiring Process

  • Initial Screening: Technical phone/video introductory and experience call.
  • Leadership Interview: Discussion focused on leadership principles, values, and cultural fit.
  • Technical Deep Dive: Architecture patterns, database design and live coding session covering Node.js.

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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