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

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

City: Warsaw

Department: IT & Engineering

Recruiter: Marta Szymańska

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Rate: 135 – 170 PLN/hour (B2B)

We are looking for an experienced Software Engineer to join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement for a seasoned professional with a full-stack mindset.

Scope of Services

Developing Flix’s contact center applications, with a focus on scalable agent-facing interfaces and automation. The role will involve extensive discovery to identify the most efficient and effective workflows.

Our tech stack

About the Engagement

• Deliver solutions for a defined portfolio of products, contributing to business objectives.
• Design and develop user-focused solutions tailored to product requirements and user needs.
• Apply Agile methodologies to organize and execute the development process.
• Develop and enhance products using modern technology stacks.
• Make technical decisions within the scope of services provided, promoting technical excellence and consistency across solutions.

About You

• Minimum 5 years of professional experience in full-stack development, with a focus on architecture, system design, and legacy product migration.
• Extensive experience with Python and its ecosystem for the development of new products.
• Solid knowledge of Java for the maintenance and further development of existing products.
• Strong focus on quality assurance practices and technical standards throughout the product development lifecycle.
• Hands-on with automated testing and experience with different test runners.
• Comfortable with Agile methodologies in planning and executing development work.

Cooperation model

• Cooperation based on a service agreement (B2B/freelance contract), not an employment contract.
• You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices
• Location: open for contractors based in Poland

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