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Senior Backend Engineer (Python) - Full-Stack Mindset

Codest Ltd. Company No. 12590542, VAT number: GB363431020

WorldwideremotePosted 2 days ago
Codest Ltd. Company No. 12590542, VAT number: GB363431020 logo

Skill Required

Backend-EngineerPython-DeveloperSoftware-EngineerCloud-Software-EngineerSenior-Backend-Python-DeveloperSenior-Python-Backend-DeveloperPython-Backend-EngineerSenior-Backend-EngineeringBackend DeveloperFull Stack DeveloperPython DeveloperPythonsoftware engineeringSystem DesignMicroservicesEngineeringR ProgrammingJavaScriptDatabricksautomationdevelopingdesigningbuildingAngularfintechwrittenTestNGDockerdesignDevOpsGitReactLinuxCI/CDCloudDesign PatternsFulltime

Key highlights

  • Required experience: Minimum 6 years commercial Python backend development
  • Key requirement: Advanced English communication skills
  • Notable requirement: AI-first mindset / openness to AI-assisted tools
  • Experience level: Senior

Role overview

The Codest is an international tech software company with hubs in Poland, specializing in web development, cloud engineering, DevOps, and quality. They are seeking an experienced Senior Backend Engineer (Python) with a Full-Stack mindset to join an AI-first engineering team developing solutions for a leading financial group in Japan. The role focuses on building scalable, reliable, and high-performance backend systems and end-to-end software solutions leveraging Databricks. The project follows a Claude Code approach, incorporating AI-powered development tools and automation into everyday workflows to accelerate delivery and improve code quality.

Responsibilities

  • Designing, developing, and maintaining scalable backend applications and services using Python.
  • Building end-to-end software solutions leveraging Databricks, including application components, integrations, and backend services.
  • Designing and implementing REST APIs and integrating backend systems with external services.
  • Developing and maintaining cloud-based solutions, primarily using AWS.
  • Taking ownership of technical solutions, from requirements analysis and architecture design through implementation and deployment.
  • Contributing to frontend development when needed, with opportunities to work with modern JavaScript frameworks.
  • Leveraging AI-powered development tools and AI-assisted coding practices to improve development efficiency, code quality, and delivery speed.
  • Exploring opportunities to incorporate AI-driven automation into software development processes.
  • Building prototypes, validating technical concepts, and delivering scalable solutions.
  • Participating in technical planning, solution design, testing, code reviews, and architectural discussions.
  • Collaborating with cross-functional, international teams to translate business requirements into effective technical solutions.
  • Identifying opportunities for continuous improvement, automation, and performance optimization.
  • Promoting engineering best practices, clean code, maintainability, and modern software development standards.

Requirements

  • Minimum 6 years of commercial experience in Python backend development, with strong expertise in designing and building production-grade applications.
  • Senior-level software engineering skills, including the ability to independently design, develop, and deliver complex technical solutions.
  • Strong understanding of backend architecture, REST APIs, distributed systems, and software design principles.
  • Experience with cloud-based application development, preferably using AWS.
  • Solid knowledge of object-oriented programming, clean code principles, and software engineering best practices.
  • Experience with CI/CD processes, version control systems, and modern development practices.
  • Willingness to work with frontend technologies and contribute to frontend development when required.
  • An AI-first mindset, with openness to using AI-assisted development tools, automation, and emerging technologies.
  • Strong problem-solving skills, independence, and a solution-oriented approach.
  • Ability to take ownership of technical decisions while considering scalability, performance, maintainability, and business requirements.
  • Advanced English communication skills, both written and spoken, for collaboration with international clients and teams.

Nice to have

  • Familiarity with Databricks, including basic knowledge of the platform and its capabilities.
  • Practical experience with frontend development using React, , Angular, or other modern JavaScript frameworks.
  • Experience with Claude Code or other AI-assisted development tools such as GitHub Copilot or Cursor.
  • Experience developing applications in banking, fintech, or financial services.
  • Experience with Docker and containerized applications.
  • Knowledge of Linux operating systems.
  • Familiarity with microservices architecture and event-driven systems.
  • Experience with AI agents, agentic coding workflows, or AI-powered development automation.
  • Experience designing technical solutions from scratch or contributing to architectural decisions.

Additional details

  • Recruitment process: 30 minute screening call online with our recruiter, 1h technical call with one of our engineers, 1h call with the manager, Offer
  • Originally posted on Himalayas
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