Lead Software Engineer

We’re looking for a Lead Software Engineer (Python) to become the core of a new R&D hub in Warsaw. The ideal candidate has experience with Go or a strong desire to grow in that direction. You’ll contribute to the development of a modern cloud platform used by global online services. It’s a great opportunity to influence core architecture while growing in a technically strong and product-focused environment.

Responsibilities

• Design and develop complex backend systems for high-volume, data-intensive applications
• Take ownership of projects, including building systems from scratch, designing architecture, and ensuring end-to-end delivery

• Collaborate with cross-functional teams, including Back End Team, CEO and DevOps, to deliver innovative solutions

• Solve challenging problems with a strong analytical mindset and propose creative solutions

• Optimize and maintain existing systems to ensure performance, scalability, and reliability

• Continuously learn and adopt new tools, technologies, and best practices

Requirements

• 7+ years of experience in backend software development, with a strong focus on Python

• Practical experience with Go will be a plus

• Hands-on experience with Django

• Expertise with cloud platforms such as AWS/GCP

• Strong familiarity with microservices architecture

• Fundamental understanding of object-oriented programming and multithreading
• Expertise with database systems and optimizing database performance
• Excellent problem-solving skills and a proactive approach to owning and delivering projects
• A strong analytical mindset with the ability to tackle complex technical challenges
• Excellent interpersonal skills, with the ability to collaborate effectively in a team environment
• A self-driven and independent mindset, eager to take full ownership of projects and continuously innovate
• Proficiency in English at Upper-Intermediate level (B2+) or higher.

Will be a plus

• Experience in working with C++, Java, Go, or any equivalent backend language

What we offer

• Competitive salary and benefits package
• Medical insurance
• Full Remote
• Collaborative and innovative work environment
• Career growth and development opportunities
• A chance to work with a talented and driven team of professional

About the project

Our client is building a next-gen cloud platform that helps digital services deliver content faster, safer, and more reliably worldwide. It combines intelligent traffic routing, multi-CDN management, and built-in security to ensure 99.999% uptime and optimal performance — even during outages or network degradation. The system automatically selects the best delivery path based on geolocation, traffic type, and time of day, reducing latency and cutting delivery costs. The product is built for scale and trusted by streaming, gaming, e-commerce, SaaS, and fintech businesses.