Senior Backend Python Developer

Leeds based – hybrid working – 3 days onsite

Responsibilities

• Build and maintain backend services and APIs in line with existing architectural patterns and standards.
• Implement business logic, data access layers, and integrations with internal and external systems.
• Develop and enhance RESTful APIs, following defined contracts and API standards.
• Write clean, maintainable, well-tested code, adhering to agreed engineering best practices.
• Contribute unit and integration tests to ensure functional correctness and regression safety.
• Support feature delivery by implementing backend components from pre-defined designs and tickets.
• Participate in code reviews, addressing feedback and continuously improving code quality.
• Troubleshoot backend issues using logs and diagnostics, escalating complex design concerns to onshore leads.
• Work within an Agile/Scrum team, contributing to sprint delivery and estimations for assigned work.
• Follow established security, performance, and reliability guidelines when implementing backend changes.

Skills & Experience

Core backend engineering

• 3–6+ years of backend development experience.
• Strong experience with Python or equivalent backend frameworks.
• Solid understanding of REST API development, request/response models, and error handling.
• Experience working in microservices-based architectures.
• Hands‑on experience deploying or running services on GCP or another hyperscaler.
• Familiarity with managed databases (e.g. Cloud SQL, PostgreSQL).
• Understanding of containerised workloads (Docker) and serverless/container platforms (e.g. Cloud Run or Kubernetes).

Data & integration

• Strong SQL skills, including schema usage, query optimisation, and data consistency.
• Experience integrating with external systems via APIs or messaging.
• Awareness of data validation, idempotency, and failure handling patterns.

Quality & delivery

• Experience writing unit and integration tests for backend services.
• Familiarity with CI/CD pipelines and version control (Git-based workflows).
• Comfortable working from clear requirements, tickets, and technical guidance provided by onshore leads.

Ways of working

• Experience working as part of a distributed or offshore delivery team.
• Able to communicate progress, blockers, and risks clearly to onshore counterparts.
• Willingness to follow established standards rather than redefine architecture.

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