Senior Python Developer (E-commerce)

TL;DR

Senior Python Developer (E-commerce): Developing services and plugins to process and localize large amounts of e-commerce listings with an accent on scalability, high-quality technical standards, and AI-assisted coding. Focus on designing highly scalable web applications, implementing TDD, and optimizing internal micro-services and APIs.

Location: Remote, Hybrid, or Office-based (Warsaw, Poland). Start time must be between 8:00 AM - 10:00 AM CET/CEST.

Company

Tech company providing end-to-end cross-border e-commerce solutions and automated localization services for brands and retailers globally.

What you will do

• Develop internal micro-services and APIs to support a flow of millions of products and orders.
• Design and maintain highly scalable web applications and complex web architectures.
• Improve the performance and scalability of existing services.
• Apply Test Driven Development (TDD) to ensure high software quality.
• Collaborate with product owners, business stakeholders, and data engineers.
• Contribute to architecture-level design decisions during various project phases.

Requirements

• 5+ years of professional Python experience.
• Experience in using AI for coding.
• Knowledge of REST (Swagger/OpenAPI), TDD, and SOA.
• Basic DevOps skills including *nix, Apache/nginx, Docker, and Kubernetes.
• Basic knowledge of Amazon Web Services (EC2, RDS, S3).
• English: Good written and spoken proficiency for working in an international environment.

Nice to have

• Contributions to Open Source projects.
• Advanced AWS and DevOps skills.
• Experience with event-driven architecture, CQRS, or DDD.
• Knowledge of GraphQL and NoSQL databases.

Culture & Benefits

• Flexible working hours with a window for starting the day.
• Choice of work format: fully remote, hybrid, or office-based.
• Agile environment based on Scrum and Kanban principles.
• High autonomy in selecting goals, projects, and tools.
• Collaborative culture focused on teamwork and self-organization.
• Mature product pipeline with rigorous testing, static code analysis, and code reviews.