Real job — pulled straight from Flix’s careers page · Verified October 28, 2026 · No reposts.
Job description
Flix is hiring a Senior Fullstack Software Engineer — a contract, based in Warsaw role ($72k–$90k). Apply directly on Flix's careers page below.
Senior Fullstack Software Engineer (Python/Java) - Service Agreement
Location: Warsaw
Department: IT & Engineering
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
- Languages & Frameworks: Python, JavaScript, TypeScript, Java, flask, FastAPI, Node.js, React, Spring Boot.
- Cloud Providers and IaC: AWS, Azure, Terraform, Serverless.
- Data Layer: Elasticsearch, Snowflake
- Streaming and Messaging Layer: Kafka.
- Observability: Datadog, Kibana.
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
Get Software Engineer jobs like this→
New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.
Email me new jobsSimilar jobs
DevSecOps Architect, Software Supply Chain Security (Remote)
Frequently asked questions
What is the salary for Senior Fullstack Software Engineer at Flix?
The estimated salary range for Senior Fullstack Software Engineer at Flix is $72,000 - $90,000 USD per year.
What skills are required for Senior Fullstack Software Engineer at Flix?
The required skills for Senior Fullstack Software Engineer at Flix include: Python, Java, JavaScript, TypeScript, Flask, FastAPI, Node.js, React, Spring Boot, AWS, Azure, Terraform, Elasticsearch, Snowflake, Kafka, Datadog, Kibana, Agile.
What is the seniority level for Senior Fullstack Software Engineer at Flix?
Senior Fullstack Software Engineer at Flix is a Senior level position.
How do I apply for Senior Fullstack Software Engineer at Flix?
You can view the full description and apply for Senior Fullstack Software Engineer at Flix on EchoJobs: https://echojobs.io/job/flix-senior-fullstack-software-engineer-python-java-service-agreement-maarp.