Senior Software Engineer (Python)

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Zakres obowiązków

• As a Senior Software Engineer (Python), you will take ownership of designing, developing, and maintaining high‑quality web applications. Your responsibilities will include: 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 This role offers the opportunity to work with modern technologies, including LLMs and NLP components in multi‑agent systems. What you&#39

• ll need to succeed To be successful in this role, you should bring: 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&#39

• 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&#39

• re interested in this role, click &#39

• apply now&#39

• 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. #LI-DNI #1198995 - Monika Matuszczyk

Informacje dodatkowe

• Nr ref.: 1198995

• Lokalizacja: Polska

• Rodzaj pracy: Stała

Beschreibung

Your new company You will join a fast‑growing international product company that builds modern, data‑driven web applications used globally. The organisation values engineering excellence, clean architecture, and a collaborative culture. You will work in a mature Agile environment alongside experienced Product Managers, UI/UX Designers, and cross‑functional engineering teams. Your new role As a Senior Software Engineer (Python), you will take ownership of designing, developing, and maintaining high‑quality web applications. Your responsibilities will include: 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 This role offers the opportunity to work with modern technologies, including LLMs and NLP components in multi‑agent systems. What you'll need to succeed To be successful in this role, you should bring: 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.