Senior Python Developer - Backend Systems

About the Role

Our client is looking for a highly skilled Senior Python Developer to join their core engineering team in Portsmouth . This role focuses on designing, developing, and optimizing robust backend systems and APIs that power their key products. You will work on complex challenges, contribute to architectural decisions, and mentor junior developers. This is an excellent opportunity for a seasoned Pythonista who enjoys building scalable, high-performance applications in a collaborative and innovative environment.

Key Responsibilities

• Design, develop, and maintain scalable, high-performance backend services and APIs using Python .
• Collaborate with product managers and other engineers to define technical requirements and solutions.
• Optimize application performance, database interactions, and system architecture for efficiency and reliability.
• Write clean, well-documented, and thoroughly tested code.
• Participate actively in code reviews, providing constructive feedback to peers.
• Contribute to architectural discussions and technology selection for new projects.

Requirements

• 5+ years of professional experience in backend software development.
• Strong proficiency in Python and experience with web frameworks like Django or Flask.
• Solid understanding of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases.
• Experience designing and consuming RESTful APIs.
• Familiarity with software development best practices, including testing and version control (Git).
• Excellent problem-solving skills and ability to work independently.

Benefits

• Attractive salary package with regular reviews.
• Comprehensive health, dental, and vision benefits.
• Pension scheme and life insurance.
• Generous annual leave and paid holidays.
• Professional development opportunities, including training and conferences in Portsmouth .