(Senior) Full Stack Software Engineer (m|w|d) - Kotlin, React, AWS

United States Digital Space LLC; Berlin; Vor Ort; EUR 90.000 - 120.000; Vollzeit

Benefits dieser Stelle

Free organic breakfast

Free lunch (vegan/vegetarian)

Free coffee, lemonades and after-work:

Rooftop terrace with city view

Free counseling

Job bike

Deutschlandticket

Urban Sports Gympass

Zusammenfassung

idealo is seeking an experienced engineer to lead frontend development while contributing across the full stack. You will design, implement and maintain scalable microservices using Kotlin and TypeScript, owning services from architecture to deployment.

You will work with React, Next.js and RESTful APIs, focusing on reliable tracking, billing systems and IR improvements. The role emphasizes CI/CD, observability and collaboration across idealo teams.

Qualifikationen

• Several years of frontend development with TypeScript/JavaScript
• Backend development experience with Kotlin
• Strong React/Next.js experience
• Experience with Kafka and event-driven architectures
• Familiar with AWS, Kubernetes and IaC tools
• Ability to take ownership and collaborate across teams

Aufgaben

• Lead the development of our latest frontend application while contributing across the full stack.
• Design, implement and maintain robust, scalable microservices using Kotlin, TypeScript and related technologies.
• Take end-to-end ownership of services from architecture and implementation to deployment, monitoring and continuous improvement.
• Shape our technical direction through architecture decisions, technical design reviews and long-term evolution of our platform.
• Improve CI/CD pipelines, observability and Infrastructure as Code practices.
• Collaborate with marketing and engineering teams to deliver reliable tracking and billing systems while mentoring peers and promoting code quality.

Kenntnisse

Frontend development

TypeScript/JavaScript

Kotlin backend

React

Next.js

RESTful APIs

Kafka

AWS

Kubernetes

Infrastructure as Code

CI/CD

Tools

AWS CDK

Terraform

Kubernetes

Spring Boot

Jobbeschreibung

Millions of shopping decisions rely on data flowing reliably through idealo's platform every day. In this role, you'll build and evolve the systems that enable our marketing channels with high-quality product and offer data, ensure accurate billing of paid traffic, and provide reliable tracking that makes marketing initiatives measurable.

You’ll work across the full stack using Kotlin, TypeScript, React, Kafka and AWS while taking ownership of services from design to production. When a feature goes live and runs smoothly, you see the direct impact of your work.

About your new role

• Lead the development of our latest frontend application while contributing across the full stack.
• Design, implement and maintain robust, scalable microservices using Kotlin, TypeScript and related technologies.
• Take end-to-end ownership of your services - from architecture and implementation to deployment, monitoring and continuous improvement.
• Shape our technical direction through architecture decisions, technical design reviews and the long-term evolution of our platform.
• Improve our engineering platform by advancing CI/CD pipelines, observability and Infrastructure as Code practices.
• Collaborate closely with marketing and engineering teams across idealo to deliver reliable tracking and billing systems while continuously raising engineering quality through clean code, testing, pair programming, code reviews, mentoring and knowledge sharing.

Skills & Requirements

• Several years of professional experience in frontend development with TypeScript/JavaScript and backend development with Kotlin.
• Solid experience with React, Next.js, Spring Boot and building RESTful APIs.
• Experience with event‑driven architectures, Kafka and messaging patterns. Experience operating these systems in production is a strong plus.
• Hands‑on experience working with Kubernetes, AWS and Infrastructure as Code tools such as AWS CDK or Terraform, alongside modern CI/CD practices.
• You take ownership and independently drive topics forward.
• The confidence to speak up and challenge ideas constructively, paired with openness to diverse perspectives.

At idealo you can expect

• You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching & mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.
• And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after‑work beer, in addition to the “standard foosball”. It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.
• In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme‑Familienservice.
• You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it’s environmentally friendly, too!
• Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.
• And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!