Tech jobs

Backend Developer

Builds and maintains server-side CRM software using PHP, Python, or Ruby in a collaborative team.

CRM Java PHP Python Ruby

TECTONIC INTERACTIVE

Mid Backend Developer

Open 24d EuropeMiddle

AWS Express.js JavaScript Node.js PostgreSQL +5 skills

Mid-level backend engineer building real-time voting apps and media production tools using Node.js, TypeScript, and AWS for UK broadcasting and US film projects.

12K – 18K PLN / mo

4ad Studio

Młodszy/a Backend Developer

CSS E-commerce Git HTML JavaScript +2 skills

Backend developer builds and maintains e-commerce stores using PrestaShop, WooCommerce, OpenCart, and Magento, optimizing performance and migrating platforms.

Bixbite

Backend Developer (Java)

Agile API DevOps Git REST +3 skills

Backend developer builds and maintains a corporate portal backend using Java/Spring in a DevOps environment for a telecom client.

HeadHR

Backend Developer

API CI/CD MySQL NestJS REST +1 skills

Backend Engineer to maintain and extend a TypeScript/NestJS monolith and REST APIs for a customer-facing HR platform.

Web Systems

Backend developer

Bash CSS Git Jest Laravel +6 skills

Builds and maintains web apps, themes, plugins, and databases using PHP, MySQL, Laravel/Symfony, Docker, and WordPress.

Grupa.IT

Backend Developer

API CI/CD Docker Git GraphQL +2 skills

Develops Drupal modules, themes, and decoupled APIs (JSON API/GraphQL) in a Docker-based environment, maintaining and enhancing CMS systems.

7K – 12K PLN / mo

Exclusive Networks Poland SA

Global Backend Developer

Cloud Cybersecurity JavaScript Kafka Node.js +3 skills

Builds and maintains serverless and containerized backend services in JavaScript/TypeScript, using event-driven architecture (Kafka, RabbitMQ) to support global cybersecurity solutions.

BLP

Senior Backend Developer

Open 24d EuropeSenior

Agentic AI AI Automation AWS Azure +14 skills

Build and scale AI-powered ERP automation agents in Go, React/TypeScript, and Python, owning features from design to deployment on Kubernetes.

Marketplace integrations

Junior Backend Developer

Open 24d EuropeJunior

Builds and maintains backend services for an ecommerce marketplace integrations platform using Elixir, working with databases and collaborating with cross-functional teams.

D12 Groups

Backend Developer

Automation AWS CI/CD Design Patterns Infrastructure as Code +1 skills

Build and refactor backend services using modern architectures, collaborating with cross-functional teams to deliver scalable solutions for local businesses.

80K – 100K $

Enfint

backend developer

AWS Azure DevOps GCP GitHub +5 skills

Lead a backend team building Orca Sensor, a lightweight runtime component for deep visibility and protection of cloud workloads across Kubernetes, serverless, and VMs.

b3consultingpoland

Senior Backend Developer

Open 24d EuropeSenior

API AWS Docker GCP Java +8 skills

Senior backend engineer building scalable Java microservices with Spring Boot, Kafka, and cloud infrastructure for distributed systems.

kalambagames

Open 24d HybridEuropeContractJunior

Junior Backend Developer

Agile AWS Cloud Docker Game Development +11 skills

Junior Backend Developer builds and maintains Java/Spring Boot microservices on AWS/GCP, using Kubernetes, PostgreSQL, and Kafka to power Kalamba Games' gaming platforms.

Workplays

Scala Backend Developer

API Elasticsearch Kafka Kubernetes MongoDB +4 skills

Build and maintain backend services for a game using Scala 3, Kafka, and Kubernetes, collaborating with designers and product owners to ship features.

beyond-tabs.com

Scala Backend Developer

Haskell Java Kotlin Kubernetes OCaml +2 skills

Scala engineer building high-performance game server components with Cats, Cats Effect, and Tagless Final, focusing on domain logic, testing, and Kubernetes operations.

20K – 33K PLN / mo

LTM

Java Backend developer

Open 24d EuropeContract