1,456,758open jobs
88,633companies
228,746added this week
Browse all
Salary
$58k – $70k per year
Location
In office (Warsaw)
Employment
Contractor

First seen by Alion on Oct 7, 2026.

Overview
Company
Impact
Profile match
Square One Resources is an IT recruitment and IT outsourcing company operating in Poland. Its vacancies cover SAP architecture, full stack and Rust development, DevOps, cybersecurity and IT project management for clients in Warsaw, Krakow and the Tri-City area. The company is based in Warsaw, Poland.
Poszukujemy doświadczonego Full-stack Engineera do projektu naszego klienta.

Zakres obowiązków

  • Rozwój funkcjonalności backendowych i frontendowych.
  • Implementacja zmian biznesowych w systemie.
  • Współpraca z analitykami i testerami.
  • Analiza oraz usuwanie błędów aplikacyjnych.
  • Udział w projektowaniu rozwiązań technicznych.
  • Wsparcie wdrożeń i utrzymania systemu.

Wymagania

  • Komercyjne doświadczenie w programowaniu Java.
  • Bardzo dobra znajomość Spring Framework.
  • Doświadczenie Full Stack (backend + frontend).
  • Doświadczenie w pracy z bazami danych Oracle/PostgreSQL.
  • Znajomość architektury REST API.
  • Doświadczenie w pracy w Scrum/Agile.
  • Umiejętność analizy i rozwiązywania problemów.
  • English Level: B2
Mile widziane
  • Znajomość JSF (PrimeFaces).
  • Doświadczenie z platformami BPM (Business Process Management).
  • Doświadczenie w sektorze bankowym.

Tech stack

  • Java
  • React
  • Spring
  • REST API
  • Oracle
  • PostgreSQL
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,456,758 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Warsaw
In office • Full-Time • Shanghai
C++
DevOps
WebRTC
WebSockets
Apply
≈ $31k – $89k per year (Estimated) • In office • Full-Time • 8+ years exp • Shanghai
Apply
In office • Full-Time • 3+ years exp • Shanghai
Apply
In office • Full-Time • Shanghai
SQL
Design
Axure RP
IoT
MQTT
Apply
In office • Full-Time • 3+ years exp • Liuzhou
Apply
≈ $119k – $218k per year (Estimated) • Hybrid • Manchester
Java
Kotlin
Scala
Java
Spring Framework
Spring Boot
Hibernate
Spring MVC
Databases
Apache Kafka
AI/ML
Copilot
DevOps
Splunk
GCP
GitHub Actions
Dynatrace
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
Bitbucket
AWS Lambda
Management
Outlook
QA
Selenium
Swagger
Postman
Apply
≈ $74k – $146k per year (Estimated) • Hybrid • Belfast
Java
Kotlin
Scala
Java
Spring Framework
Spring Boot
Hibernate
Spring MVC
Databases
Apache Kafka
AI/ML
Copilot
DevOps
Splunk
GCP
GitHub Actions
Dynatrace
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
Bitbucket
AWS Lambda
Management
Outlook
QA
Selenium
Swagger
Postman
Apply
≈ $110k – $230k per year (Estimated) • Hybrid • Manchester
Java
Kotlin
Scala
Java
Spring Framework
Spring Boot
Hibernate
Spring MVC
Databases
Apache Kafka
AI/ML
Copilot
DevOps
Splunk
GCP
GitHub Actions
Dynatrace
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
Bitbucket
AWS Lambda
Management
Outlook
QA
Selenium
Swagger
Postman
Apply
≈ $60k – $151k per year (Estimated) • Hybrid • Belfast
Java
Kotlin
Scala
Java
Spring Framework
Spring Boot
Hibernate
Spring MVC
Databases
Apache Kafka
AI/ML
Copilot
DevOps
Splunk
GCP
GitHub Actions
Dynatrace
Azure
CI/CD
Jenkins
Git
AWS
Docker
Kubernetes
Bitbucket
AWS Lambda
Management
Outlook
QA
Selenium
Swagger
Postman
Apply
Java Developer 3 days ago
In office • 3+ years exp • Mexico City
Java
Apply
$62k – $86k per year • In office • Contractor • Warsaw
Python
JavaScript
TypeScript
Node JS
AI/ML
Claude Code
AI Agents
Frontend
React.js
DevOps
Azure
CI/CD
Apply
$72k – $82k per year • In office • Contractor • 5+ years exp • Warsaw
Python
SQL
C#
Python
FastAPI
Asyncio
Pydantic
C#
ASP.NET Core
Databases
Redis
Azure SQL Database
AI/ML
LangGraph
LangChain
Model Context Protocol
Multimodal AI
AI Agents
LLM
RAG
Hybrid Search
A2A
Human-in-the-Loop
DevOps
Azure
Docker
Kubernetes
GitHub
Apply
$62k – $66k per year • In office • Contractor • 5+ years exp • Warsaw
JavaScript
TypeScript
C#
C#
.NET
Databases
MS SQL
Frontend
Angular
DevOps
Rest API
Azure
CI/CD
Git
Gitflow
Apply
Full Stack Developer 21 days ago
$76k – $92k per year • In office • Contractor • Poland
Python
JavaScript
TypeScript
Python
FastAPI
Databases
Databricks
Frontend
React.js
Material UI
DevOps
Rest API
Apply
$76k – $92k per year • In office • Contractor • Warsaw
Python
JavaScript
TypeScript
Python
FastAPI
Databases
Databricks
Frontend
React.js
Material UI
Apply
≈ $42k – $75k per year (Estimated) • Hybrid • 4+ years exp • Warsaw
JavaScript
TypeScript
C#
C#
.NET
Databases
MS SQL
Frontend
Angular
DevOps
Azure
Management
Scrum
Apply
≈ $62k – $100k per year (Estimated) • In office • 8+ years exp • Bachelor's Degree • Warsaw
DevOps
Linux
Apply
≈ $52k – $95k per year (Estimated) • Equity • In office • Full-Time • 6+ years exp • Warsaw
Java
Kotlin
Kotlin
Kotlin Coroutines
Management
Scrum
Apply
IT Support (Junior) 10 hours ago
≈ $21k – $45k per year (Estimated) • Equity • In office • Full-Time • 1+ year exp • Bachelor's Degree • Warsaw
AI/ML
Cursor
Claude
ChatGPT
DevOps
Windows
Wi-Fi
Cybersecurity
Okta
Management
Slack
Jira
Google Workspace
Apply
Manager, GxP Systems 11 hours ago
≈ $29k – $66k per year (Estimated) • In office • Full-Time • 6+ years exp • Bachelor's Degree • Warsaw
AI/ML
Machine Learning
Apply
See all jobs
This is one of many
1,456,758 more open roles from verified company boards, updated every day.