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Senior Backend Engineer (Python/Django) - OE Engineering

Kraken
Tokyo, Japan
Full Time
Posted June 27, 2025
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Job Description

A Senior Backend Engineer specializing in Python Django, responsible for developing scalable, maintainable solutions and building dynamic dashboards, integrations, and real-time performance tools for a sustainability-focused energy company.

Key Responsibilities

  • Develop and maintain scalable backend solutions using Python and Django
  • Build dynamic dashboards and interactive charts for campaign performance
  • Integrate third-party accounts and services, such as LINE, for user engagement
  • Design flexible and maintainable features that enhance core product functionality
  • Collaborate with cross-functional teams to deliver high-quality digital experiences
  • Implement clean code, smart testing, and effective monitoring practices
  • Participate in team reviews, learning sessions, and contribute to shaping development processes

Requirements

  • Proficiency in Python programming language with experience in developing backend applications.
  • Experience working with Django framework for building and maintaining backend services.
  • Demonstrated ability to build scalable, maintainable, and flexible solutions.
  • Experience in developing dynamic dashboards and real-time data visualization tools.
  • Ability to integrate third-party accounts and services, such as LINE accounts, into applications.
  • Strong understanding of creating and deploying interactive charts and campaign performance metrics.
  • Experience in writing clean, well-tested code and implementing good monitoring practices.
  • Ability to work collaboratively in a fast-paced environment, including participating in face-to-face and asynchronous communication tools like Slack and Asana.
  • Self-motivated problem-solving skills with a proactive approach to tasks and challenges.
  • Ability to adapt to changing requirements and create inclusive, collaborative work environments.
  • Experience in delivering solutions that are scalable and maintainable for both internal teams and partners.
  • Excellent communication skills to facilitate quick face-to-face chats, huddles, and asynchronous updates.
  • A minimum of 3 years of professional experience in software engineering or backend development.
  • Educational background in Computer Science, Software Engineering, or a related field (or equivalent practical experience).

Benefits & Perks

Competitive salary range (not specified)
Work environment that values transparency and collaboration
Use of tools like Slack, Asana for communication and project management
Regular reviews and opportunities for learning
Flexible, scalable, and maintainable project work
Inclusive environment that encourages diversity and belonging
Recognition as a Great Place to Work in multiple countries
High Glassdoor rating (4.7 in the UK)

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