Senior Fullstack Engineer, AdTech (m/f/d)

Posted Yesterday
Be an Early Applicant
Berlin, DEU
Hybrid
Senior level
Healthtech • Retail • Pharmaceutical
The Role
Design and build high-performance Node.js/TypeScript microservices and React/Next.js frontends for Retail Media AdTech. Integrate MongoDB, Redis, Algolia and message queues (BullMQ, RabbitMQ). Drive architecture, collaborate cross-functionally, ensure scalability, testing, and deliver AI-integrated features.
Summary Generated by Built In
Company Description

About Redcare Pharmacy:
As Europe’s No.1 e-pharmacy, Redcare Pharmacy is powered by passionate teams and cutting-edge innovation. We strive to create a healthy, collaborative work environment where every employee feels valued and inspired to contribute to our vision “Until every human has their health”. If you’re seeking a career that offers purpose and aligns with your values, join us and begin your #Redcareer today.

About the role: 

As a Senior Fullstack Engineer (m/f/d) in the Retail Media Ad Solutions area, you will play a critical role in designing and building high-performance, scalable AdTech solutions that power our growing Retail Media ecosystem. You'll work across the stack, from backend services to customer-facing interfaces, with a strong focus on clean architecture, data performance, and user-centric development. Working closely with your cross-functional team, you’ll help turn complex business needs into robust, end-to-end technical solutions that deliver measurable impact.

Job Description

About your tasks: 

  • System Architecture & Engineering: Develop and optimize Node.js/TypeScript-based microservices, focusing on performance, modularity, and scalability. Contribute to architectural decisions that improve system maintainability and reliability.
  • Frontend Development: Build and maintain React applications using Next.js (Pages Router) and Material-UI. Implement advanced form logic using Formik and JSONSchema validation. Ensure exceptional user experiences through responsive, accessible, and high-performance UI.
  • Data & Messaging Systems: Integrate and optimize high-throughput data systems using MongoDBRedis, and Algolia for real-time ad delivery and insights. Work with BullMQ and RabbitMQ to handle reliable, distributed message queuing and background processing.
  • Cross-Functional Collaboration: Partner with Product, Design, and Analytics teams to deliver end-to-end Retail Media features. Participate in sprint planning, technical reviews, and solution discovery to ensure engineering is aligned with business goals.

Qualifications

About you:

  • Strong hands-on skills in JavaScript/TypeScriptNode.jsReact, and modern web technologies.
  • Deep experience building scalable microservices and frontend applications in cloud-native environments.
  • Familiarity with AdTech or Retail Media platforms (eg such as Kevel, Google Ad Manager, CitrusAd, TopSort) will be looked upon favourably. 
  • Committed to writing clean, maintainable, and efficient code, with a strong focus on scalability, testing, and long-term system health.
  • Comfortable working in Agile/Scrum teams and contributing proactively to cross-functional initiatives.
  • A continuous learner who thrives in fast-moving environments and enjoys solving real-world business challenges with technology.
  • Have AI experience, have integrated it into real systems and shipped features with it.

Additional Information

About your benefits:

In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:

  • Sports: Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.
  • Mental Health: Get quick and professional help from psychologists of Likeminded if you feel overwhelmed in private or professional life. Anonymous and free of charge. 
  • Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.
  • Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.
  • Personal development: Grow! We support and encourage your individual development through various in- and external trainings.
  • And many more :)

Remote work policy:

Our offices are open, but you are free to work from home, from any location in Germany. It is entirely up to you if you want to pop into the office every now and again, or if you work from home all the time. At the same time, we value relationship between all members of the area and therefore we have regular team and area anchor days on which every team member is asked to come to the office.

Skills Required

  • Hands-on experience with JavaScript/TypeScript and Node.js
  • Frontend development with React and Next.js (Pages Router)
  • Experience with Material-UI, Formik, and JSONSchema validation
  • Designing and building scalable microservices in cloud-native environments
  • Experience with MongoDB, Redis, and Algolia for high-throughput data systems
  • Experience with BullMQ and RabbitMQ for background processing and messaging
  • Familiarity with AdTech / Retail Media platforms (Kevel, Google Ad Manager, CitrusAd, TopSort)
  • Proven experience integrating AI into production systems and shipping AI features
  • Strong focus on clean, maintainable code, scalability, testing, and long-term system health
  • Comfortable working in Agile/Scrum cross-functional teams
Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
743 Employees
Year Founded: 2001

What We Do

As Redcare Pharmacy - formerly known as Shop Apotheke Europe - we put care at the heart of everything we do, guiding people through their health to help turn bad days into better ones. We are Europe’s people-first pharmacy. Start your #Redcareer now! Let's grow together. We are an international company that is currently active in seven countries in Europe and is growing rapidly. Our headquarters as well as on of our distribution centre are located in Sevenum in the Netherlands near the German border. Our other distribution centre is in Milan, Italy. In total, we have locations in Cologne, Berlin, Munich, Tongeren, Warsaw, Milan, Lille and Eindhoven. We are always looking for new colleagues - people who not only get involved in our international team, but who want to actively take on responsibility and who want to grow together with us as a strong partner

Similar Jobs

think-cell Inc. Logo think-cell Inc.

Full-stack Engineer

Productivity • Software
Hybrid
Berlin, DEU
150 Employees

Airwallex Logo Airwallex

Partnerships Manager - Startup and VC Ecosystem, DACH

Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
In-Office
Berlin, DEU
2200 Employees

Airwallex Logo Airwallex

Senior Manager, Regional Marketing, DACH

Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
In-Office
Berlin, DEU
2200 Employees

Airwallex Logo Airwallex

Senior Manager, Sales Development, DACH

Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
In-Office
Berlin, DEU
2200 Employees

Similar Companies Hiring

Granted Thumbnail
Mobile • Insurance • Healthtech • Financial Services • Artificial Intelligence
New York, New York
23 Employees
Scotch Thumbnail
Artificial Intelligence • eCommerce • Fintech • Payments • Retail • Software • Analytics
US
35 Employees
Golden Pet Brands Thumbnail
Digital Media • eCommerce • Information Technology • Marketing Tech • Pet • Retail • Social Media
El Segundo, California
178 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account