Full Stack Software Engineer (m/f/d)

INTERSPORT Deutschland e.G.; Heilbronn; Vor Ort; EUR 55.000 - 70.000; Vollzeit

Zusammenfassung

A leading sports retailer is looking for an experienced Full Stack Engineer to improve their digital customer experience. You will take charge of developing scalable applications, focusing on both the frontend and backend using modern technologies like Preact, React, and Kotlin. The ideal candidate will have a proactive attitude, strong communication skills, and a passion for building customer-centric products. This role requires residence in Germany, corresponding to legal and tax regulations.

Qualifikationen

• 3+ years of experience as a Full Stack Engineer or in frontend/backend development.
• Solid experience with Preact or React, including server-side rendering.
• Proficient in modern languages and frameworks, ideally Kotlin in AWS Serverless stack.

Aufgaben

• Build and run scalable, high-performance full stack applications.
• Collaborate closely with Product Managers, Designers, and fellow Engineers.
• Contribute to architectural decisions and technical best practices.

Kenntnisse

Full Stack Development

Preact/React

Kotlin

CI/CD

Agile Methodologies

Jobbeschreibung

Your impact

You’re passionate about building smart, scalable software that directly improves the customer experience? In this role, you’ll take ownership of modern full stack applications – from frontend to backend – and help shape the architecture of our digital ecosystem. You’ll work closely with a cross-functional team of engineers, designers, and product managers in a fast-paced, agile environment.

Your tasks

• Build and run scalable, high-performance full stack applications – with a strong focus on clean code, usability, and maintainability
• Develop modern server-side rendered frontends using Preact (or React) and state-of-the-art tooling
• Design and implement backend services in Kotlin, ideally as AWS Lambda functions
• Collaborate closely with Product Managers, Designers, and fellow Engineers to create great user experiences
• Contribute to our CI/CD pipelines, automated testing, monitoring, and deployment strategies
• Take part in architectural decisions and help define technical best practices
• Continuously improve the developer experience and support team-wide knowledge sharing through code reviews and mentoring
  
  

Your profile

• 3+ years of experience as a Full Stack Engineer or in frontend/backend development within agile teams
• Solid experience with Preact or React, including server-side rendering
• Strong backend skills in at least one modern language and framework – ideally Kotlin in the AWS Serverless stack (Lambda, API Gateway, DynamoDB)
• Good understanding of cloud-native architectures, microservices, and scalable infrastructure
• Experience with CI/CD pipelines, monitoring, and automated testing
• A proactive mindset, strong communication skills, and a team-first attitude
• Passion for building customer-centric products and solving meaningful problems
• Fluent in English (German is a plus)
• Residence in Germany is required due to legal and tax requirements