Senior Backend Engineer (m/f/x)

TieTalent

Berlin

Hybrid

EUR 60.000 - 80.000

Vollzeit

14 Tage+

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Benefits dieser Stelle

Flexible, family-friendly environment

Dog-friendly office

Employee discounts

Mental health support

30 vacation days

Zusammenfassung

A technology-driven company in Berlin is seeking a Senior Backend Engineer to develop and maintain backend services. The ideal candidate has over 4 years of experience in Kotlin and Java, with a strong focus on scalability and collaboration in cross-functional teams. This role offers a flexible, hybrid work environment and opportunities for professional growth.

Qualifikationen

At least 4 years of professional backend development experience with Kotlin and Java.
Strong background in building scalable database architectures.
Experience building and scaling service-oriented architectures.

Aufgaben

Design, build and maintain backend services with Kotlin and Java.
Work on platform performance, scalability, and stability.
Collaborate with peers and stakeholders to deliver features.

Kenntnisse

Kotlin

Java

Database architecture

Service-oriented architecture

Collaboration

Jobbeschreibung

Senior Backend Engineer (m/f/x) at TieTalent

We are looking for a Senior Backend Engineer to join our Tech Operations Team and power the heart of our warehouse operations. You’ll build software that keeps our warehouses running, from unpacking parcels to grading items, picking, and wrapping orders. You’ll be part of a tight-knit team of engineers, a product manager, and an engineering manager, collaborating to bring smart, sustainable choices to thousands of users daily by connecting the digital and physical worlds.

If you thrive in a dynamic, tech-driven environment and enjoy working with cross-functional teams, we would love to hear from you. Our mission is to make circular living accessible to all, one transaction at a time, through sustainable reuse of electronics and media. We are a global team of about 600, driven by collaboration, personal responsibility, positive critical thinking, and a strong focus on customers and the planet.

Responsibilities

Design, build and maintain backend services with Kotlin and Java
Work on our platform with a focus on performance, scalability and stability
Design and implement systems that bridge between the digital and physical worlds
Engage in rapid prototyping to validate assumptions quickly
Improve architecture and best practices continuously
Contribute ideas and participate in technical discussions
Collaborate with peers, product managers, and stakeholders to deliver features from idea to production
Visit warehouses to understand services firsthand, observe employees, and gather feedback to improve services and UX
Collaborate with other engineers as needed and communicate effectively to drive outcomes

Qualifications

At least 4 years of professional backend development experience with Kotlin and Java, able to work independently with both languages
Strong background in building scalable database architectures
Experience building and scaling service-oriented architectures
Excellent collaboration and ownership skills; effective communicator who values transparency
Pragmatic: prioritizes shipping working solutions and iterating quickly
Comfortable contributing ideas, improving processes, and shaping better user experiences
Willing to work with other tech stacks occasionally (e.g., PHP, Angular)
Enjoy working with a friendly team passionate about circularity and sustainability
Comfortable in an environment with independence and new ideas; thrive with flat hierarchies and transparency
Location: Berlin, with a hybrid model

Benefits and Work Environment