Junior Backend Developer
~1 year experienceA Junior Backend Developer works under the guidance of more experienced colleagues and builds up their skills and knowledge of good practices.
See junior Backend Developer pay →IT salaries · Poland
Backend Developer salary in Poland 2026
Backend Developer is an IT professional working in the "Backend Developer" area. Pay depends mainly on seniority level, the technology stack used (e.g. .NET, C# + ASP.NET, Go, Java) and the form of employment (employment contract or B2B).
Updated monthly · last update: May 2026
How much does a Backend Developer earn by seniority?
Backend Developer pay rises with experience. Curioz tracks medians and pay ranges (employment contract and B2B) separately for each seniority level.
Regular (Mid) Backend Developer
~4 years experienceA Regular Backend Developer works independently, ensures the quality of delivered solutions and takes part in designing them.
See regular (mid) Backend Developer pay →Senior Backend Developer
~7 years experienceA Senior Backend Developer makes key technical decisions, owns the architecture and supports the team's growth.
See senior Backend Developer pay →Lead Backend Developer
~12 years experienceA Lead Backend Developer combines technical expertise with leading the team, standards and technology strategy.
See lead Backend Developer pay →Backend Developer salary by technology
The technology stack significantly affects Backend Developer salaries. Curioz tracks pay for the technologies most common in this role and their combinations:
Best-paying technologies for this role (by median salary, highest first):
- Backend Developer Scala
- Backend Developer Go
- Backend Developer Java + Spring
- Backend Developer Rust
- Backend Developer .NET
- Backend Developer Python + Flask
- Backend Developer JavaScript + Node.js
- Backend Developer JavaScript
Backend Developer Scala
See pay →A technology used in the Backend Developer role; the choice of stack affects pay ranges.
Backend Developer Go
See pay →An efficient compiled language, common in cloud and networking services.
Backend Developer Java + Spring
See pay →A mature JVM language dominant in large systems and the enterprise sector.
Backend Developer Rust
See pay →A technology used in the Backend Developer role; the choice of stack affects pay ranges.
Backend Developer .NET
See pay →Microsoft's cross-platform platform for web apps and services.
Backend Developer Python + Flask
See pay →A versatile language across web, data and AI.
Backend Developer JavaScript + Node.js
See pay →The core language of web apps, from the frontend to the backend with Node.js.
Backend Developer JavaScript
See pay →The core language of web apps, from the frontend to the backend with Node.js.
Backend Developer Python + FastAPI
See pay →A versatile language across web, data and AI.
Backend Developer TypeScript + NestJS
See pay →A typed superset of JavaScript, standard in larger projects; it often raises pay ranges.
Backend Developer JavaScript + Express
See pay →The core language of web apps, from the frontend to the backend with Node.js.
Backend Developer PHP + Laravel
See pay →A proven web language still widely used.
Backend Developer Ruby
See pay →A technology used in the Backend Developer role; the choice of stack affects pay ranges.
Backend Developer PHP
See pay →A proven web language still widely used.
Backend Developer Python + Django
See pay →A versatile language across web, data and AI.
Backend Developer Python
See pay →A versatile language across web, data and AI.
Backend Developer Java + Spring Boot
See pay →A mature JVM language dominant in large systems and the enterprise sector.
Backend Developer C# + ASP.NET
See pay →A backend language in Microsoft's .NET ecosystem.
Backend Developer Java
See pay →A mature JVM language dominant in large systems and the enterprise sector.
Backend Developer Ruby + Rails
See pay →A technology used in the Backend Developer role; the choice of stack affects pay ranges.
Employment contract or B2B?
Backend Developer pay differs on an employment contract (monthly salary) versus a B2B contract (hourly rate). They differ in taxation, benefits and risk. Curioz shows both forms separately, so you can compare real rates for a given seniority and technology.
See the full pay data for Backend Developer
Medians, percentiles and ranges (employment contract and B2B) for every seniority level and technology, built from real data and updated monthly.
Check Backend Developer salaries →Frequently asked questions
How much does a Backend Developer earn in Poland?
Backend Developer pay in Poland depends on seniority (Junior, Regular, Senior, Lead), the technology stack and the form of employment. Up-to-date medians and pay ranges (employment contract and B2B) are available in the full Curioz report, updated monthly from real data.
Which technology pays best for a Backend Developer?
According to Curioz data, the highest median salaries for the Backend Developer role are reached with Scala. The full breakdown of rates by technology and seniority is available in the report.
Does a Backend Developer earn more on B2B or on an employment contract?
B2B (hourly) rates and employment-contract (monthly) salaries follow different tax and risk logic. Curioz shows both separately for each seniority level and technology.
Related roles
Source: Curioz, IT salary benchmarks built from real job offers, contracts and HRIS data. Data for May 2026.