Senior Backend Engineer – Scalable APIs for Mobile Apps

JobsinAustria; Herzograd; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Fully remote

Vienna office access

Job summary

refurbed, Europe’s fastest-growing marketplace for refurbished products, seeks a Senior Backend Engineer to design, build, and maintain scalable APIs powering the mobile app and marketplace.

You will influence backend decisions for mobile constraints, own production monitoring, and collaborate across squads with engineers, product managers, and designers. A degree in CS or equivalent is preferred; remote-friendly with an option to work from our Vienna office.

Qualifications

• 7+ years of experience designing and building scalable backend services in production.
• Strong proficiency in Go and understanding of distributed systems and SOA.
• Experience with Node.js/TypeScript and mobile app backend integration.
• Familiarity with SQL databases and frontend basics for cross-team collaboration.

Responsibilities

• Design, build, and maintain core APIs and backend services powering mobile app and marketplace.
• Own operations and monitoring of production systems.
• Review backend designs for mobile app compatibility across squads.
• Integrate third-party systems and APIs into the platform.
• Mentor junior engineers and contribute to engineering culture.

Skills

Go

Distributed systems

Service-oriented architecture

JavaScript/TypeScript

Node.js

Mobile app knowledge

SQL & relational DB design

Frontend basics

English proficiency

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL

Redis

RabbitMQ

gRPC

Kubernetes

Google Cloud Platform

React Native

Expo

Vue.js

Tailwind CSS

Job description

refurbed, Europe’s fastest-growing marketplace for refurbished products, seeks a Senior Backend Engineer to design, build, and maintain scalable APIs powering the mobile app and marketplace.

You will influence backend decisions for mobile constraints, own production monitoring, and collaborate across squads with engineers, product managers, and designers. A degree in CS or equivalent is preferred; remote-friendly with an option to work from our Vienna office.