Senior Backend Developer, Python

Work Life Group

Senior Backend Developer (Python Backend) for NATO supporting modernization of applications, refactoring legacy systems into decoupled services.

Posted 5/26/2026contractRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

CloudDockerKubernetesPython

About the role

Key responsibilities & impact

Refactor existing Python backend applications to support the decomposition of a monolith into smaller, decoupled services.
Identify pragmatic, low-impact changes that improve modularity and separation of concerns without unnecessary redesign.
Ensure application configuration and settings are environment-based and suitable for deployment across multiple environments.
Develop and maintain production-grade backend services and APIs in Python with focus on maintainability, reliability, and security.
Support the transition of applications toward containerized and automated deployment models, working closely with DevSecOps and platform engineers.
Improve code quality, testing, troubleshooting, and documentation to enable safe incremental change.
Troubleshoot and resolve functional, integration, and performance issues in existing backend services.
Document implemented changes and contribute to good backend engineering practices across the team.

Requirements

What you’ll need

7+ years of professional experience in backend software development, with Python backend engineering as the main professional focus.
Strong recent hands-on experience in Python backend development.
Proven experience building and maintaining production backend services and APIs.
Proven experience working in existing or legacy codebases and performing incremental refactoring.
Practical experience supporting the decomposition of monolithic applications into smaller, decoupled services.
Strong understanding of environment-based configuration, backend architecture, API design, and database design.
Good understanding of integration patterns, service boundaries, and maintainable backend design.
Familiarity with CI/CD practices, Git workflows, code reviews, and Agile/Scrum delivery.
Good understanding of secure coding practices and writing maintainable, well-tested code.
Strong analytical, debugging, communication, and documentation skills.
Experience with Docker and Kubernetes-based deployments.
Experience with message queues, event-driven architectures, or caching strategies.
Experience in cloud or hybrid environments.
Good spoken and written English.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Work Life Group Website LinkedIn All Job Openings 11 - 50 employees Founded 2012 🎯 Recruiter 👥 HR Tech Recruitment
HR Tech Work Life Group is a recruitment and staffing firm founded in 2018 that matches employers and candidates across a wide range of technical, administrative, and security-cleared roles. The company operates a global careers site, manages candidate and employee portals, and emphasizes respectful, responsive hiring practices and well-being for both hires and clients. With a small core team and a large network of contractors, WLG sources talent for IT, NATO/security, and other professional positions across many international locations. Senior Backend Developer, Python Job not on LinkedIn 🔥 13 minutes ago 🇵🇱 Poland – Remote ⏳ Contract/Temporary 🟠 Senior 🔙 Backend Engineer Cloud Docker Kubernetes Python Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Refactor existing Python backend applications to support the decomposition of a monolith into smaller, decoupled services.
Identify pragmatic, low-impact changes that improve modularity and separation of concerns without unnecessary redesign.
Ensure application configuration and settings are environment-based and suitable for deployment across multiple environments.
Develop and maintain production-grade backend services and APIs in Python with focus on maintainability, reliability, and security.
Support the transition of applications toward containerized and automated deployment models, working closely with DevSecOps and platform engineers.
Improve code quality, testing, troubleshooting, and documentation to enable safe incremental change.
Troubleshoot and resolve functional, integration, and performance issues in existing backend services.
Document implemented changes and contribute to good backend engineering practices across the team. 🎯 Requirements
7+ years of professional experience in backend software development, with Python backend engineering as the main professional focus.
Strong recent hands-on experience in Python backend development.
Proven experience building and maintaining production backend services and APIs.
Proven experience working in existing or legacy codebases and performing incremental refactoring.
Practical experience supporting the decomposition of monolithic applications into smaller, decoupled services.
Strong understanding of environment-based configuration, backend architecture, API design, and database design.
Good understanding of integration patterns, service boundaries, and maintainable backend design.
Familiarity with CI/CD practices, Git workflows, code reviews, and Agile/Scrum delivery.
Good understanding of secure coding practices and writing maintainable, well-tested code.
Strong analytical, debugging, communication, and documentation skills.
Experience with Docker and Kubernetes-based deployments.
Experience with message queues, event-driven architectures, or caching strategies.
Experience in cloud or hybrid environments.
Good spoken and written English. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Full Stack Developer, .NET, C# 🕒 3 days ago Natobotics 51 - 200 ☁️ SaaS 🏦 Banking Website LinkedIn All Job Openings Full Stack Developer (.NET and C#) at N Consulting Ltd focused on web applications and team collaboration. Requiring extensive experience in Microsoft technologies and front-end frameworks. 🇵🇱 Poland – Remote 💵 £900 - £1k / year ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Angular Azure JavaScript Jenkins React SQL .NET Python Developer 🕒 4 days ago Anyone AI 11 - 50 📚 Education 🤖 Artificial Intelligence 🎯 Recruiter Website LinkedIn All Job Openings Python Developer designing coding tasks for a leading AI lab project in Poland. Working remotely with responsibilities including testing and code review. 🇵🇱 Poland – Remote 💵 $15 - $35 / hour 💰 $1.5M Pre Seed Round - Anyone AI on 2022-06 ⏳ Contract/Temporary 🟡 Mid-level 🟠 Senior 🔙 Backend Engineer Java JavaScript Jest JUnit Python TypeScript Go Senior Ruby on Rails Developer 🕒 4 days ago LLInformatics 51 - 200 ☁️ SaaS 🤝 B2B Website LinkedIn All Job Openings Senior Ruby on Rails Developer designing backend APIs and contributing to frontend at LLInformatics. Collaborating with cross-functional teams to deliver high-quality digital products for clients. 🇵🇱 Poland – Remote ⏳ Contract/Temporary 🟠 Senior 🔙 Backend Engineer 🗣️🇵🇱 Polish Required AWS Distributed Systems Heroku Postgres React RSpec Ruby Ruby on Rails Senior Python Developer 🕒 6 days ago Look4IT 11 - 50 🎯 Recruiter ☁️ SaaS Website LinkedIn All Job Openings Senior Python Developer role focusing on coding standards and mentoring within an agile team. Collaborating on AI-powered backend systems with junior developers and the GenAI Architect. 🇵🇱 Poland – Remote ⏳ Contract/Temporary 🟠 Senior 🔙 Backend Engineer Python SDLC Senior Backend Developer, Node.js 🕒 May 16 intent 51 - 200 🔧 Hardware 🤝 B2B 🤖 Artificial Intelligence Website LinkedIn All Job Openings Freelance Senior Backend Developer shaping backend architecture for IoT projects. Collaborating with teams using AWS and Node.js, and mentoring engineers. 🇵🇱 Poland – Remote 💵 PLN15k - PLN30k / month ⏳ Contract/Temporary 🟠 Senior 🔙 Backend Engineer AWS Cloud Distributed Systems Docker DynamoDB IoT JavaScript Jenkins Kubernetes Node.js Terraform View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

Pythonbackend developmentAPI designmodularityrefactoringenvironment-based configurationsecure coding practicesdebuggingtestingdatabase design

Soft Skills

analytical skillscommunication skillsdocumentation skills