Your new company

Your new role

• Implementing new features and improving the existing codebase
• Ensuring clean, well‑tested, and maintainable code (unit, integration, QA tests)
• Participating in architectural and design decisions
• Creating and maintaining technical documentation
• Supporting engineering and support teams in debugging and troubleshooting
• Coaching and mentoring junior engineers
• Contributing to product discovery, research, and specification phases
• Helping shape development processes, tools, and best practices
• Collaborating closely with Product Management, UI/UX, and Support teams

What you'll need to succeed

• 7+ years of hands‑on experience building commercial web applications in Python
• Strong understanding of data‑driven web systems
• Practical experience with SOLID principles and Domain‑Driven Design
• Experience working with SQL databases (MySQL, MariaDB, PostgreSQL)
• Experience with LLMs, NLP technologies, or machine learning fundamentals
• Background in Agile/Scrum/Kanban environments
• Ability to collaborate with cross‑functional teams and communicate clearly
• Proactive, organised, and self‑driven work style
• Excellent English (written and spoken)
• Willingness to travel occasionally

What you'll get in return

• Opportunity to work in a modern, innovative product environment
• High level of ownership and influence on architecture and technical decisions
• Supportive, international team with strong engineering culture
• Space for professional growth, learning, and mentoring
• Flexible working environment and a role that values autonomy and initiative

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.