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

Köln, NW, DE, Germany

Job Description

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

MongoDB

,

Redis

, 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/TypeScript

,

Node.js

,

React

, 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.


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.

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Job Detail

  • Job Id
    JD3326073
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Vollzeit
  • Salary:
    Not mentioned
  • Employment Status
    Permanent
  • Job Location
    Köln, NW, DE, Germany
  • Education
    Not mentioned