Python Architect

Summary: The role of Python Backend / Fullstack Architect involves joining an international client's large-scale e-commerce transformation project, focusing on Python and FastAPI development. The position requires strong experience in e-commerce projects and is expected to last until the end of December 2026, with a possibility of extension. Candidates should be proactive and possess fluent English communication skills to contribute effectively to the project's success. The project aims to develop and integrate microservices around the commercetools platform and support the migration of legacy systems.

Key Responsibilities:

• Develop and integrate microservices around the new commercetools platform.
• Build event-driven communication layers between multiple business services.
• Support the migration of legacy file-processing and data pipeline solutions into the new architecture.
• Work closely with architects and engineering teams to deliver a scalable, modern e-commerce ecosystem.

Key Skills:

• Strong experience with Python and FastAPI development.
• Fullstack experience with Vue.js and Nuxt.js is highly desirable.
• Proven background in e-commerce projects (mandatory).
• Experience working with commercetools or other headless/composable commerce platforms.
• Strong knowledge of microservices and distributed architectures.
• Experience building event-driven systems and service integrations.
• Previous involvement in large-scale legacy monolith to composable/headless migration projects.
• Ability to work proactively and contribute to accelerating project delivery.
• Fluent English communication skills.

Salary (Rate): undetermined

City: Warsaw

Country: Poland

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Python Backend / Fullstack Architect - E-commerce Migration Project

For our international client, RED is currently looking for Python Backend and Fullstack Developers to join a large-scale e-commerce transformation project.

The consultants are expected to start as soon as possible and will initially be engaged until the end of December 2026, with a strong likelihood of extension. Phase 1 of the programme is expected to be completed by mid-2027.

Desired skills:
· Strong experience with Python and FastAPI development
· Fullstack experience with Vue.js and Nuxt.js is highly desirable
· Proven background in e-commerce projects (mandatory)
· Experience working with commercetools or other headless/composable commerce platforms
· Strong knowledge of microservices and distributed architectures
· Experience building event-driven systems and service integrations
· Previous involvement in large-scale legacy monolith to composable/headless migration projects
· Ability to work proactively and contribute to accelerating project delivery
· Fluent English communication skills

Project scope:
· Develop and integrate microservices around the new commercetools platform
· Build event-driven communication layers between multiple business services
· Support the migration of legacy file-processing and data pipeline solutions into the new architecture
· Work closely with architects and engineering teams to deliver a scalable, modern e-commerce ecosystem

The client has strong executive sponsorship and a results-driven approach, prioritizing expertise, reliability, and speed of delivery to ensure a successful transformation.

If you are interested in this position, please apply or send your updated CV for immediate consideration.

Reference
CR/135126_1782114145

Date
22 Jun 2026