Senior Software Engineer - Backend (all genders)

Tradebyte; Ansbach; Hybrid; EUR 70.000 - 110.000; Vollzeit

Benefits dieser Stelle

Employee shares program

40% off fashion and beauty products (Z

2 paid volunteering days

Hybrid work model (Germany/UK)

Work from abroad up to 30 days

27 days vacation

Relocation assistance

Family services

Wellbeing options

Mental health support

Training and peer reviews

Zusammenfassung

Tradebyte is building resilient backend services and high-throughput integrations that power Europe’s top e-commerce brands. You’ll work with modern JVM languages (Kotlin/Java, JDK 21+) or Python (3.11+) to design scalable APIs and data transfers, with strong autonomy to solve complex engineering challenges.

Join a team focused on quality, collaboration with Product and Platform teams, and ownership from concept to production, backed by testing and thoughtful architecture as Tradebyte grows

Qualifikationen

• Experience designing scalable backend services and APIs.
• Proficient in Kotlin/Java or Python with Spring Boot or Django/Flask.
• Experience with relational or NoSQL databases.
• Strong testing practice with unit/integration/E2E tests.

Aufgaben

• Design and develop scalable backend services and APIs.
• Collaborate with Product, Frontend, and Platform teams.
• Improve system resilience, performance, and developer experience.
• Own features from concept to production with tests.
• Evolve service architecture and define system boundaries.

Kenntnisse

Kotlin/Java

Python

REST API design

OpenAPI

Testing (JUnit/pytest)

English communication

Tools

Spring Boot

Django/Flask

PostgreSQL/MySQL

MongoDB/DynamoDB

Jobbeschreibung

About Tradebyte

At Tradebyte, we work with the biggest players in e-commerce - from trendsetting fashion brands to major online retailers. Our goal is to create a workplace where everyone feels valued, supported, and empowered. We offer flexible work schedules, professional development opportunities, and a real commitment to work-life balance. We embrace diverse perspectives and ensure that every voice is heard and respected, because you’re unique and that matters to us. As we continue to grow, we’re looking for new colleagues who share our passion. Love what you do - do what you love. Join Tradebyte, an independent company within the Zalando Group!

THE ROLE AND THE TEAM

You’ll build resilient backend services, core platform applications, and high-throughput integrations that power Europe’s top e-commerce brands at scale. We focus on scalable APIs and seamless data transfer, giving you the technical autonomy to solve complex engineering challenges and directly enhance our platform ecosystem. If you thrive on high-impact systems and modern engineering practices, this is where you'll make a real impact.

WHAT WE’D LOVE YOU TO DO (AND LOVE DOING)

• Design & Develop Architect and build clean, scalable backend services and platform apps using modern JVM languages (Kotlin/Java, JDK 21+) or Python (3.11+).
• Collaborate Partner across Product, Frontend Engineering, and Platform teams to translate complex business challenges into robust APIs, integrations, and data flows.
• Problem Solve Collaboratively address technical challenges, using pragmatism and research to continuously improve system resilience, performance, and developer experience.
• Own Your Work Take full ownership of features from concept to production, backing your code with comprehensive unit, component, and E2E testing to ensure maintainability.
• Innovate & Grow Evolve service architecture, help define system boundaries, and share technical insights as our platform expands.

WE’D LOVE TO MEET YOU IF

• A strong foundation or eagerness to deepen expertise in modern JVM languages (Kotlin/Java, JDK 21+) or Python (3.11+), using frameworks like Spring Boot or Django/Flask.
• Passion for REST API design and OpenAPI, alongside experience with or interest in relational or NoSQL databases (e.g., PostgreSQL, MySQL, DynamoDB, MongoDB).
• Commitment to software quality, with comfort in writing reliable code backed by testing frameworks like JUnit 5, pytest, or E2E automation tools.
• Proactive, solution-oriented mindset paired with clear communication skills in English, both written and verbal.

OUR OFFER

Tradebyte provides a range of benefits, here’s an overview of what you can expect.

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model - work where it works for you within Germany or the UK, with occasional office attendance required for moments that matter.
• Work from abroad for up to 30 working days a year
• 27 days of vacation a year to start for full-time employees
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Wellhub, formerly Gympass)
• Mental health support and coaching available
• Drive your development with our training offerings and biannual peer-to-peer review