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

Flix; Województwo mazowieckie; On-site; PLN 186,000 - 234,000; Full time

Job summary

Flix is seeking an experienced Software Engineer on a freelance/B2B basis in Poland to develop and maintain contact center applications with a focus on scalable agent-facing interfaces and automation.

The role involves extensive discovery to identify efficient workflows, collaboration with product teams, and adherence to Agile practices to deliver high-quality software.

Qualifications

• 5+ years of professional experience in full-stack development with emphasis on architecture, system design, and legacy product migration.
• Proficiency in Python.
• Experience delivering services under a B2B/freelance model is beneficial.

Responsibilities

• Deliver solutions for a defined portfolio of products.
• Design and develop user-focused solutions per 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 to promote technical excellence.

Skills

Full-stack development

Architecture

System design

Legacy migration

Python

Job description

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 professiona l 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.

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 experimentation with Python and its indents: "this is incomplete; keep the content"

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