Senior Python Developer

Jobtailor; Bonn; Vor Ort; EUR 75.000 - 110.000; Vollzeit

Zusammenfassung

Jobtailor in Bonn, Germany, seeks an experienced Software Engineer to plan, design and develop enterprise web apps. You will build high‑performance backend services in Python (FastAPI/Flask) and craft attractive frontends with HTML, CSS and JavaScript using Angular or React.

The role covers REST APIs, distributed systems, microservices, data connectivity, and DevOps tasks for cloud and on‑prem deployments, with a strong emphasis on security and reliability.

Qualifikationen

• Experience planning, designing and developing web applications in an enterprise environment.
• Hands-on Python backend development with FastAPI and Flask.
• Frontend experience with HTML, CSS, JavaScript and frameworks like Angular or React.
• Extensive REST API design and distributed systems knowledge.
• Familiarity with microservices, data connectivity and NoSQL databases.
• Kubernetes (including Helm) and GitOps tools such as ArgoCD.
• Experience deploying applications in cloud and on‑prem environments; Linux and CI/CD.

Aufgaben

• Plan, design and develop modern web applications in an enterprise environment.
• Develop high‑performance backend services with Python (FastAPI/Flask).
• Create attractive frontends with HTML, CSS and JavaScript (Angular/React).
• Design and implement REST APIs; work on distributed systems integration.
• Implement microservice and event‑driven architectures; ensure high availability.
• Ensure database connectivity and performance; work with NoSQL technologies.
• Work on platform solutions/developer portals (e.g., Backstage) and data mesh concepts.
• Contribute to DevOps tasks and support cloud and on‑prem deployments.

Kenntnisse

Python

REST APIs

FastAPI

Flask

JavaScript

HTML/CSS

Angular

React

Kubernetes

Git/GitLab

CI/CD

Linux

Backstage

ArgoCD

Azure DevOps

Tools

ArgoCD

Backstage

Helm

Azure DevOps

Jobbeschreibung

Responsibilities

• You work on the planning, design and development of modern web applications in an enterprise environment
• You develop high-performance backend solutions with Python using frameworks such as FastAPI and/or Flask
• You create attractive frontends with HTML, CSS and JavaScript as well as modern frameworks like Angular and/or React
• You develop template-based web applications and implement sophisticated UI concepts
• You design and implement REST APIs and work on the integration of distributed systems
• You implement microservice and event‑driven architectures and develop highly available, security‑critical systems
• You take care of database connectivity and optimization as well as the use of NoSQL technologies
• You work on platform solutions and developer portals (e.g., Backstage) and optionally on data mesh concepts
• You actively contribute to DevOps topics and support deployments in cloud and on‑premises environments

Requirements

• You have at least 3 years of relevant practical experience in planning, design and development of web applications in an enterprise environment
• You have at least 3 years of hands‑on experience in backend development with Python and solid knowledge of FastAPI and/or Flask
• You have at least 3 years of experience in frontend development with HTML, CSS, JavaScript and frameworks such as Angular and/or React
• You have extensive experience in designing and developing REST APIs
• You are familiar with distributed systems as well as microservice and event‑driven architectures
• You have experience in designing and implementing solution architectures for highly available and security‑critical systems
• You have at least 3 years of experience in developing and optimizing database integrations
• You have at least 2 years of experience with NoSQL databases, including data modeling, migrations and performance optimization
• Ideally, you bring experience with platform solutions and developer portals (e.g., Backstage). Knowledge of data mesh concepts, data contracts, data governance and data quality is an advantage
• You have solid practical experience with Kubernetes (including Helm charts) and with GitOps tools such as ArgoCD
• You have experience operating and deploying applications in cloud and on‑premises environments
• You have strong knowledge of Git/GitLab, CI/CD processes and Azure DevOps (including deployment pipelines)
• You are proficient with Linux‑based environments, shell scripting, as well as test automation and the use of appropriate testing tools.