Backend Developer (Mid/Senior) (m/w/d)

Core responsibilities:

• Develop backend systems using Python and web frameworks like Django
• Build and maintain REST APIs, with GraphQL as a plus
• Collaborate on codebases using Git for version control
• Work with database management and SQL for data handling

This role helps drive the green energy transition by developing technology that enables cleaner energy usage, lowers customer bills, and makes sustainable living more accessible through intelligent energy solutions.

Required qualifications:

• Hands-on experience with Python and web frameworks (Django preferred)
• Experience working with REST APIs (GraphQL knowledge is a bonus)
• Experience collaborating on codebases using Git
• Strong English communication skills for meetings and documentation, plus fluent German (written and spoken)
• Knowledge of database management and SQL
• Ability to write technical specifications and maintain clear code documentation

Compensation and perks:

• Monthly public transport subsidy
• Monthly lunch allowance
• Discounted bike leasing
• Company pension plan
• Share options from Octopus Energy Group Ltd.
• Childcare support via HeyNanny and monthly childcare allowance
• Parental leave bonus (topping up parental allowance for 3 months)
• Fitness program subsidies via Wellpass
• Mental well-being support with partner Open Up
• Training and career development opportunities
• Free language courses via Busuu
• Regular tech talks, conference participation, and book clubs

Octopus Energy is a digital energy supplier focused on driving the green energy transition through technology, providing clean, fair, and transparent energy solutions while expanding from the UK to Germany and serving over one million customers.