Backend Developer Jobs in Saxony, Germany

Ubiquiti’s Backend Team builds scalable services that power smart home and ISP products. The Go developer designs and implements REST/MQTT APIs, integrates firmware and cloud services, and collaborates with cloud architects, frontend engineers, and designers.

Optimizely Backend Development team builds and maintains backend services for Optimizely-powered sites. The role designs and implements APIs, integrates third‑party systems, and creates reliable background processes such as webhook handlers.

YOUKI Backend Team builds an international platform at the intersection of cleantech, blockchain and fintech to help achieve climate targets. The Backend Developer designs and implements containerized microservice applications using JavaScript/Nest and Java/Spring, mentors junior developers, and may lead solution architecture with blockchain components.

Token Factory at Nebius builds a next‑generation platform that lets companies seamlessly integrate AI into products and workflows. The senior backend engineer designs and scales distributed systems in Go and Python, ensuring high‑performance inference and reliability across cloud infrastructure.

Backend Developer role at DKB Code Factory in Berlin. Join a dynamic team building Kotlin and Spring‑Boot microservices, exposing REST APIs and integrating with internal and external systems to create seamless signup flows for customers.

Backend Development Team at a leading European tech company. Builds and maintains e‑commerce backend services, focusing on Node.js, API design, and integration with platforms like Commercetools, NestJS, and Boomi.

Backend Development Team at wynwood tech LLC builds robust API-driven services for digital asset management platforms. The role involves developing Node.js backend solutions, integrating headless CMS like Contentstack, and supporting Bynder workflows for enterprise clients.

BLP Digital’s Backend Engineering team builds AI‑driven ERP automation for Fortune 500 clients. The Senior Backend Developer designs scalable services, mentors peers, and shapes product architecture across a distributed cloud stack.

Braiins Backend Team builds and evolves the backend services powering Braiins Pool, Hashpower, and the hashpower spot market. The role designs, implements, and maintains Rust/Tokio microservices, gRPC, Kafka, and PostgreSQL, while analyzing how service changes affect market dynamics.

GoodData.AI team builds an AI-native data intelligence platform that empowers companies to monetize raw data. As a Senior Backend Developer you will develop Kotlin/Spring microservices, design scalable systems, and shape technical direction while collaborating with Python and Kubernetes.

Turnblock.io backend team builds modular services for a tokenization platform. The Backend Developer (NodeJS) designs, implements, and maintains NodeJS/Express APIs, integrates third‑party RESTful services, and collaborates with frontend and blockchain engineers to deliver scalable products.

E2B Backend team builds the services powering the E2B Dashboard and SDK for AI agents. The role designs and owns Go APIs, auth, billing, real-time log pipelines, and optimizes data access, partnering with dashboard engineers and Core/Platform teams.

Onfy team at Joom Group builds an online pharmacy marketplace that empowers customers to manage their health with fast, affordable delivery. As a Senior Backend Developer you will design and own scalable backend services, solve performance challenges, and guide architecture decisions while collaborating across international product teams.

Backend Development Team at wynwood tech builds scalable e‑commerce services for European retailers. The role designs, implements, and maintains Shopify backend solutions, custom apps, and APIs using Ruby on Rails and Node.js. Remote work from Berlin or anywhere in CET, full‑time or part‑time, with a 12‑month contract and possible extension.

E2B Backend Team builds the services powering the E2B Dashboard and SDK for AI agents. The role designs and implements Go APIs, auth, billing, real‑time log pipelines, and optimizes data access for 100k+ weekly users.

Health System Services (HSS) builds digital solutions for the German health market, focusing on data management and backend services. As a Software Developer Backend you will design, develop, and optimize C++ and PHP applications, implement database algorithms, and support import/export processes while collaborating with QA and product teams.

Bitlane is a dynamic startup with 7 years of experience, headquartered in Berlin’s green Grunewald district. We build tailored web and app solutions for clients worldwide, fostering a collaborative, family‑like culture and a healthy work‑life balance.

Braiins Backend Team builds and evolves backend services for Braiins Pool, Hashpower, and the hashpower spot market. The Senior Backend Rust Developer designs, implements, and maintains Rust/Tokio microservices, ensuring market‑impact decisions are data‑driven and reliable.

Mobile Backend Development team builds backend services for mobile applications, enabling seamless connectivity and performance across iOS and Android platforms. The role designs, implements, and maintains Kotlin Multiplatform and Java/Spring APIs, integrates AWS services, and manages CI/CD pipelines with Docker and GitLab.

Apify’s Backend Engineering team builds the core web‑scraping and automation infrastructure on AWS. The role focuses on creating new features, solving scalability challenges, and improving reliability for developers worldwide. Based in Prague (Lucerna Palace) with hybrid work (remote option).