Fullstack Engineer- AWS, Typescript, Java, Spring Boot, React, Next.js (m/f/d)

United States Digital Space LLC; United States; Hybrid; USD 80,580 - 126,626; Full time

Benefits offered by this job

Hybrid work pattern with office days

Workation in EU/European regions

Permanent contract

Self Education Day

27 vacation days + 3.5 extra days

Buddy programme & onboarding

Training & development opportunities

Regular team events

Health Pass

Job summary

United States Digital Space LLC is seeking a Fullstack Engineer to strengthen the Consumer Domain in a hybrid role (Cologne) or remote in Berlin. You’ll expand backend services in AWS and contribute to frontend apps with React, Next.js, and TypeScript as part of a cross-functional team including QA, Product, and Growth.

The role emphasizes ownership across the full software lifecycle, experimentation, and data-driven decisions to enhance the consumer experience.

Qualifications

• Degree in Computer Science or related field or equivalent practical experience.
• 3+ years of professional experience as a Fullstack Software Engineer.
• Strong backend experience with TypeScript, Java, Spring Boot.
• Solid frontend skills with React, Next.js, and TypeScript.
• Hands-on AWS cloud experience; IaC tools like Terraform preferred.
• Experience with AI-powered development tools to accelerate software work.
• Business-fluent English; German language skills are a plus.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs on AWS.
• Build frontend apps using React, Next.js, and TypeScript for seamless UX.
• Own features end-to-end from implementation to production support.
• Improve infrastructure automation and reliability using Terraform and IaC.

Skills

TypeScript

Java

Spring Boot

React

Next.js

AWS

Terraform

AI-powered tools

English (business fluent)

German (nice to have)

Education

Degree in Computer Science or related field

Tools

GitHub

CircleCI

CI/CD

Terraform

Job description

Berlin, Köln

ab sofort / asap

Deine Aufgaben

About the company

the company creates digital trust between people, businesses, and AI Agents. Every day, millions of consumers rely on our solutions to make confident online decisions, while businesses use our products to build trust, strengthen customer relationships, and grow sustainably.

With around 700 colleagues across Europe, more than 25,000 online shops, and over 40 million consumers in our Community of Trust, we are helping shape a safer and more transparent digital world. But trust is not only at the heart of our products – it also shapes how we work together. We believe in collaboration, ownership, and the freedom to do your best work through a flexible hybrid work culture.

Join us and help create a digital world where trust, transparency, and meaningful connections drive every interaction.

To strengthen our Engineering Team, we are looking for a

Fullstack Engineer- AWS, TypeScript, Java, Spring Boot, React, Next.js (m/f/d)

(Hybrid in Cologne or remote in Berlin / Full-time / Permanent contract)

A*s a Fullstack Engineer in our Consumer Domain, you will help shape the experience of millions of consumers using the company products. Working within the Consumer Membership Team, you will focus on expanding existing backend services and building new ones within our AWS landscape while contributing to frontend applications where needed. You will be part of a cross-functional product team that includes Software Engineers, QA, Product Manager, Agile Coach, and Growth experts, all working together to improve the consumer experience through experimentation, fast feedback loops, and data-driven decisions.

Following our “You build it, you own it” philosophy, you will take ownership of solutions throughout their full lifecycle, from development to production and continuous improvement.

Your Responsibilities

• Design, develop, and maintain scalable backend services and APIs within our AWS-based cloud architecture
• Build modern, high-quality frontend applications using React, Next.js, and TypeScript to create seamless user experiences
• Take ownership of features throughout the entire software lifecycle - from implementation and deployment to monitoring and production support
• Improve infrastructure automation, scalability, and reliability using Terraform and Infrastructure as Code (IaC) principles.
• Collaborate closely with Product, Design, and Engineering teams to deliver high-quality solutions and drive technical excellence.
• Foster a collaborative team environment by sharing knowledge, communicating effectively with diverse stakeholders, and resolving challenges constructively.

Dein Profil

Your Profile

• Degree in Computer Science, Software Engineering, Media Informatics, or a related field -or equivalent practical experience
• 3+ years of professional experience as a Fullstack Software Engineer
• Strong backend development experience with TypeScript, Java, Spring Boot, or comparable technologies
• Solid frontend development skills with React, Next.js, and TypeScript
• Hands-on experience building, deploying, and operating cloud-native applications on AWS (e.g., Lambda, ECS, or similar services). Experience with Terraform or other Infrastructure-as-Code (IaC) tools is a strong plus.
• Proven experience using AI-powered development tools (e.g., Claude or similar) to accelerate software development, testing, debugging, and documentation, while critically evaluating and validating AI-generated outputs.
• Collaborative, proactive, and curious mindset with a passion for continuous learning, knowledge sharing, and mentoring teammates.
• Business-fluent English skills. German language skills are a plus

Our Tech Stack

While your primary focus will be as described in the job ad, you'll work in an environment that includes:

• Frontend: React, TypeScript
• Backend: Node.js, Java, Spring Boot, Python
• Cloud & Infrastructure: AWS, Lambda, S3, DynamoDB, Terraform
• Databases: DynamoDB, PostgreSQL
• Developer Experience: GitHub, CircleCI, CI/CD, Infrastructure as Code

What We Offer

• Hybrid work: Flexible remote work combined with team time in the office
• Workation: Temporarily work from within the EU, Iceland, Liechtenstein, or Norway
• Permanent contract with Europe’s trusted brand
• One “Self Education Day” per month
• 27 vacation days + 3.5 additional days off (Christmas, New Year’s Eve, Carnival)
• Buddy programme & structured onboarding
• Individual training and development opportunities
• Regular team, unit and company events
• Health Pass (free online and offline sports, fitness, and health courses)

BUILD A COMMUNITY OF TRUST WITH US - #cometotrust

At the company, we are interested in you as a person - whether you fit in with us is independent of gender, nationality, ethnic and social origin, religion/belief, disability, age, sexual orientation and identity. the company is clearly committed to diversity and against discrimination.