IT & Software

Senior Developer (Python)

Appnovation

London · Greater London · United Kingdom

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Overview

As a Senior Developer (Python), you will join a motivated team to build web and mobile applications while providing strategy consulting for clients. You will lead and collaborate across cross-functional teams in an enterprise setting, applying best practices in coding, testing, and delivery. The role centers on scalable, maintainable AI-powered solutions in regulated industries, leveraging modern tooling and agile processes. You will help shape client outcomes through technical excellence and thoughtful engineering leadership.

Responsibilities
  • Develop and deliver web and mobile applications using Python
  • Provide strategy consulting and solution-focused guidance for clients
  • Lead and mentor junior developers in Agile/scrum teams
  • Integrate with REST APIs and third-party SDKs
  • Contribute to CI/CD pipelines and testing (TDD, unit/integration)
  • Leverage LLM tools and prompt engineering to automate tasks
  • Collaborate with cross-functional stakeholders and manage multiple initiatives
Key requirements
  • Bachelor in Computer Science, Engineering, Information Systems, or equivalent practical experience
  • 5-7 years of professional Python development experience in enterprise or MarTech environments
  • 2 years of experience as a lead
  • Experience with Claude (Anthropic) or equivalent LLM tools and GitHub Copilot
  • Prompt engineering skills for automation and coding tasks
  • Strong REST API integration experience and working with third-party SDKs
  • Proficiency with Git, version control workflows
  • Experience in Agile/Scrum delivery teams
  • Solid problem-solving with iterative discovery
  • Experience with unit testing, TDD, and integration testing
  • Understanding of CI/CD pipelines, GitHub Actions and Jenkins/Travis
  • Understanding of agile methodologies (Scrum, Kanban)
  • Customer-focused mindset
  • Strong communication and collaboration across cross-functional teams
  • Leadership and mentoring abilities
  • Python development in enterprise/MarTech environments
  • LLM tooling (Claude/Anthropic, OpenAI, Hugging Face)
  • GitHub Copilot

Reference: WJ-747_31293250 · Posted 14 Nov 2026, 12:12 PM

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