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Open nowPosted 14 hours ago

Software Engineer

Flix148 open roles

Where
Warsaw
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Your applicationOpen nowSoftware EngineerFlix · Warsaw

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The clock on this job

Early applications get read.

9.5% of postings close within 7 days. Measured by our own scanner across the market. Flix postings stay open a median of 25 days.

Share of postings closed within
  1. 1.8%1 day
  2. 4.0%3 days
  3. 9.5%7 days
  4. 15.6%14 days
  5. 33.9%30 days
This job: posted 14 hours ago

Flix median: 25 days open

The posting

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). The team owns a critical product at the heart of the Flix ecosystem - optimizing how Flix coordinates with Mobility Partners to keep millions of passengers moving across the globe.

Scope of Services

You'll have a real impact, contributing not just to code, but to product and technical decisions that directly impact the business. With your services you’ll maintain and continuously evolve a mature, stable product while simultaneously pushing it forward - tackling complex architectural challenges, reducing manual processes, and exploring AI-driven solutions.

About the Engagement

  • You’ll collaborate with a distributed, self-organized, cross-functional team
  • You’ll have the opportunity to co-design new products from the ground up while continuously improving existing ones, with room to explore and implement cutting-edge technologies
  • Drive the development process in an Agile environment, placing Flix users at the center of each solution you and the team create
  • Support technical decisions across teams, improving technical excellence through collaboration and lateral leadership
  • Help define and deliver products that optimize the coordination between Flix and Mobility Partners, enhancing efficiency and reducing manual tasks

About You

  • 6+ years of experience as a Software Java and/or Kotlin Engineer, with knowledge of distributed systems, including Spring/Spring Boot, Kafka, MySQL/Postgres, Redis, MongoDB and S3
  • Willingness to work with both Java (for existing products) and Kotlin (for new ones)
  • Experience in making architectural decisions, and writing clean, performant, well-tested code
  • Autonomy and ownership in solving technical challenges, as well as strong communication skills when working with a distributed team
  • A strong product mindset, with a passion for user experience and a data-driven approach to decision-making
  • Experience in coding with AI
  • Fluent in English (upper-intermediate or higher)

Nice-to-Haves

  • Experience with DevOps and infrastructure: Kubernetes, Docker, Gitlab CI, AWS, Terraform
  • Familiarity with data engineering (ETL, Snowflake)
  • Ability to be a sparring partner, share knowledge and experience, explain complex things in plain language, consult/mentor, and provide constructive feedback

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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