Backend Jobs in Poland
There are 1,036 open Backend jobs in Poland on freehire right now. 210 of them were posted recently. The skills employers ask for most often are java, api and spring.
Salary
| Currency | Period | 25th | Median | 75th | Postings |
|---|---|---|---|---|---|
| PLN | year | PLN 300,000 | PLN 368,000 | PLN 368,000 | 34 |
| PLN | month | PLN 11,875 | PLN 18,232 | PLN 23,000 | 24 |
| PLN | hour | PLN 141 | PLN 150 | PLN 178 | 23 |
From postings that disclose pay. Currencies are counted separately, never converted.
Most requested skills
- java 53%
- api 48%
- spring 34%
- cloud 33%
- ci-cd 32%
- rest 28%
- docker 28%
- ai 27%
How the work is done
- Hybrid 229 · 22%
- Remote 205 · 20%
- Onsite 24 · 2%
Visa sponsorship offered in 34% of the 61 postings that state a position on it.
Seniority
- Senior 446
- Lead 55
- Middle 40
- Staff 21
- Junior 19
- Intern 4
Who is hiring
- 501-1000 employees 106
- 1000+ employees 97
- 51-200 employees 74
- 11-50 employees 19
- 201-500 employees 4
Senior Backend Engineer - Data Ingestion, Remote
Build and scale large-scale data ingestion systems and web crawlers using Python/Go/Rust, ensuring reliability and observability for a data-focused company.
C++ Backend Engineer – Data Protection Platform
Build and maintain backend components in C++ for a data protection platform, collaborating across teams to deliver robust, high-quality software on Linux with SQL.
Senior .NET Backend Engineer: Data & Performance Lead
Leads backend cloud services for an aerospace company, optimizing data architecture and performance using .NET, C#, Entity Framework Core, and AWS databases.
Senior ETL Engineer — AI-Driven Backend & Data Pipelines
Architect and implement ETL pipelines and backend infrastructure for a fintech company, integrating AI tools to optimize data workflows.
Hybrid Spark Backend Engineer — Data Pipelines & SQL
Builds and maintains data pipelines using Apache Spark and SQL to process financial market data in a hybrid Warsaw role.
Senior Backend Engineer: Data Pipelines & AI Lead
Leads backend engineering for US clients, owning data pipelines, scalable services, and AI-powered features while mentoring junior engineers in a client-facing consultancy role.
Senior Python Backend Engineer – Data Pipelines & APIs
Build and maintain Python-based data pipelines and REST APIs for a data hub, using SQL and Airflow, with occasional Angular frontend work for pricing features.
Backend Spark Engineer: Data Pipelines & SQL
Build and optimize Apache Spark data pipelines and SQL queries for financial and logistics clients in a hybrid Warsaw role.

Lead Backend Engineer, Data Pipelines & Spark
Designs and operates a core data platform using Java, Spark, and distributed systems to power batch and streaming pipelines, while contributing to CI/CD and mentoring engineers.
Python Backend & Data Pipeline Engineer - Hybrid Warsaw
Builds Python backend services and data pipelines for a pricing platform, integrating systems and exposing data via REST APIs in an Agile team.
Senior Back-End Java Developer - Spanish/English - Remote
Senior back-end Java developer building reusable, reliable services in Spring; works in an agile team with pair programming and code reviews.
Mid Back-End Java Developer @ Cognitran
Builds and maintains Java-based back-end services for automotive clients using Spring Boot, Kafka, and cloud tools like Cloud Run and PubSub.
Senior Back-End Java Developer @ Cognitran
Builds and maintains Java-based backend services for automotive clients using Spring Boot, cloud tools, and databases like PostgreSQL and MongoDB.
Back-End Java Developer - Remote
Builds and maintains Java-based back-end services using Spring, collaborating in an agile team with code reviews and sprint ceremonies.
Senior Backend Engineer (Java / Kotlin / AWS)
Build and own JVM microservices (Java/Kotlin) on AWS that power a global container logistics intelligence platform, optimizing routes, schedules, and emissions data for shippers and freight forwarders.
JVM Backend Engineer - Java Spring Microservices (Hybrid)
Builds and modernizes Java Spring microservices, migrating legacy apps to Java 17/21 and Spring Boot with REST APIs, CI/CD, and automated testing in an Agile team.
Senior Backend Engineer - Java & Cloud (6-12 months)
Senior Backend Engineer builds and optimizes Java-based cloud services for a SaaS platform using AWS and multi-tenant architectures.
Senior Backend Engineer – Java/Python, Azure Microservices
Design and build Java 11+ microservices on Azure for financial platforms, using REST APIs, Kafka, and cloud-native tools like Terraform and AKS.