Software Engineer (Python OR Ruby on Rails)

Salary: 21,000 - 27,000 PLN per month

Hybrid from Warsaw (2 days on site / per week)

Full-time

Contract through Deel
We’re looking for a Software Engineer for a leading software provider in the clean-energy space, building technology that helps solar professionals design and sell solar projects accurately and at scale. Their platform has powered millions of solar designs and is recognized as one of the top remote-friendly and sustainability-focused companies in the industry.
Requirements

At least 5

years of professional experience developing software

Hands-on experience delivering and maintaining real-world applications using Python OR Ruby on Rails

Strong communication abilities with a proven track record of working effectively across product, design, and engineering teams

Exposure to modern front-end development using React and reusable, component-driven architectures

Practical experience with JavaScript, TypeScript, or both in production environments

Fluent in written and spoken English
Nice to have

Hands-on experience designing or working with GraphQL-based APIs

Interest in renewable energy, climate tech, or mission-driven products.
Responsibilities

Design, build, and enhance features for an industry-leading solar design and sales platform

Develop and maintain APIs that integrate with financial and sales partners

Produce clean, well-structured, and maintainable code to support scalable and secure services

Work collaboratively within an agile team to deliver high-quality results in consistent sprint cycles

Participate in code reviews and team problem-solving to continuously raise code quality

Own the features and services you develop, including contributing to an on-call rotation with team support
What do we offer?

Health Coverage: Medical, dental, and vision insurance

Internet & Mobile Stipend

Work-From-Home Support (home office budget)

Learning & Development support
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