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Product Support Engineer - EMEA

• GBP 75K–104K / year
• Remote
• Software engineering (general)
• +13CountriesCzechia, Germany, Denmark, Spain, France, United Kingdom, Ireland, Italy, The Netherlands, Poland, Portugal, Romania, Sweden

Staff Site Reliability Engineer

• PLN 28.8K–36K / month
• Remote
• Staff
• DevOps / SRE / platform / cloud

• Golang
• Java
• Python
• +2Requirements7+ years of experienceTagsGolang, Java, Python, Ruby

Lead Operations Engineer / Senior Operations Specialist

• Hybrid
• Senior
• Software engineering (general)

• Java

Staff DevOps Engineer - Europe

• Remote
• Staff
• DevOps / SRE / platform / cloud

• JavaScript
• Python
• +6CountriesBulgaria, Czechia, Spain, Poland, Romania, Slovakia

AppSec Engineer

• Security

• Python
• +2CountriesCzechia, Poland

Senior QA Automation Engineer

• Hybrid
• Senior
• QA and testing

• Java
• Python
• SQL

Senior Java Engineer - Flix Train Operations Management System

• Senior
• Software engineering (general)

• Java
• +2Requirements7+ years of experience · Contractor / B2B / freelance

Security Engineer | Generalist

• Hybrid
• Security
• +4CountriesUnited Kingdom, Mexico, Poland, United States

Senior .NET Developer (FIX Protocol)

• Remote
• Senior
• Software engineering (general)

• C#
• Java
• +1Requirements5+ years of experience

(Senior) Python Developer - Freelance

• EUR 30–35 / hour
• Remote
• Senior
• Backend engineering

• Python
• +1RequirementsContractor / B2B / freelance

Senior Software Engineer, Sudo

• Remote
• Senior
• Software engineering (general)

• Elixir
• Golang
• JavaScript
• +3Requirements8+ years of experienceTagsElixir, Golang, JavaScript, Ruby, Rust

Senior Detection Engineer | SecOps

• Hybrid
• Senior
• Software engineering (general)

• Python
• +3CountriesUnited Kingdom, Poland, United States

Java Software Engineer - FinTech

• Mid
• Software engineering (general)

• Java
• JavaScript
• SQL
• +2Requirements3+ years of experience · Contractor / B2B / freelance

Senior Fullstack Software Engineer (Python/Java) - Service Agreement

• PLN 135–170 / hour
• Senior
• Full-stack engineering

• Java
• Python
• JavaScript
• +3Requirements5+ years of experience · Contractor / B2B / freelanceTagsJava, Python, JavaScript, TypeScript

Technical Data Analyst (Splunk, Salesforce DB, PostgreSQL)

• Hybrid
• Data and machine learning

• SQL
• +1RequirementsContractor / B2B / freelance

Sr. Applied AI/ML Scientist

• EUR 100K–125K / year
• Remote
• Senior
• Data and machine learning

• Python
• +1Requirements6+ years of experience

Senior Software Engineer, Platform Reliability

• PLN 31K–36K / month
• Hybrid
• Senior
• Software engineering (general)

• Golang
• Python
• Scala
• +2Requirements5+ years of experienceTagsGolang, Python, Scala, TypeScript

Software Engineer

• PLN 89–119 / hour
• Software engineering (general)

• JavaScript
• Python
• TypeScript
• +1RequirementsContractor / B2B / freelance

Senior Full-Stack Developer (Node.js/React) with banking background

• Remote
• Senior
• Backend engineering

• JavaScript
• TypeScript
• +1Requirements5+ years of experience

Security Engineer

• Security

• Python
• +2CountriesCzechia, Poland

Senior Fullstack Developer 2.0 (PHP + React + Cursor/Windsurf)

• PLN 25K–32K / month
• Remote
• Senior
• Backend engineering
• Polish required
• PL

• PHP
• JavaScript
• TypeScript

Mid Fullstack Developer 2.0 (PHP + React + Cursor/Windsurf)

• PLN 15K–22K / month
• Remote
• Mid
• Backend engineering
• Polish required
• PL

• PHP
• JavaScript
• TypeScript

Junior Fullstack Developer 2.0 (PHP + React + Cursor/Windsurf)

• PLN 8,000–13K
• Remote
• Entry
• Backend engineering
• Polish required
• PL

• PHP
• JavaScript
• TypeScript