Fullstack Engineer

Octopus Energy

The Role

Overview

Full‑stack engineer building MOPO Platform for solar energy distribution in Africa.

Key Responsibilities

  • database optimisation
  • api integration
  • code review
  • full-stack development
  • web interface
  • agile participation

Tasks

You'll be working across the full stack using Python/Django, Vue.js, and MariaDB to build and maintain the platform that manages our solar hubs, battery networks, and the thousands of customers they serve daily. It's an exciting and varied challenge where your code directly -Optimise database performance and ensure efficient data storage and retrieval for our growing network -Work collaboratively across the company to continuously refine how our platform can create the greatest impact, scale efficiently, and operate reliably for our users -Participate actively in Agile processes, contributing to planning and refinement sessions -Integrate third-party APIs and services to extend platform capabilities -Conduct code reviews, mentor team members, and champion best practices -Build intuitive and responsive web interfaces that work reliably in challenging connectivity environments -Design, develop, and maintain features for the MOPO Platform that enhance functionality and user experience -Troubleshoot technical issues to ensure minimal disruption to our operations across four countries

Requirements

  • python
  • django
  • vue.js
  • rest api
  • git
  • mariadb

What You Bring

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. The role is based primarily in our Sheffield HQ, with up to two days working from home if desired. Occasional international travel to Sub-Saharan Africa is entirely optional, but is something they offer to all of their employees if they are interested. -Experience with distributed systems or offline-first architectures -RESTful API design and development -Background in energy, mobility, or fintech sectors -Knowledge of IoT or hardware integration -Strong debugging skills (e.g. PyCharm debugger, pdb, Sentry) -Strong proficiency in Python and Django for backend development -Server deployment and maintenance (e.g. nginx, cron, package managers) -Good working knowledge of Vue.js (or similar Javascript framework, e.g. React) -Version control systems (e.g., Git) and CI/CD pipelines -In-depth knowledge of MariaDB and SQL

Benefits

At Octopus, we're lucky to attract some incredibly talented humans. And while we can’t bring every talented person into our team, we can help them land somewhere that’s just as mission-driven. That’s why we’re sharing opportunities from MOPO; a company we’ve proudly backed through a strategic investment. Working locationThe role is based primarily in our Sheffield HQ, with up to two days working from home if desired. Occasional international travel to Sub-Saharan Africa is entirely optional, but is something they offer to all of their employees if they are interested.The role will interest you if... You’re excited by the prospect of transforming the off-grid energy and e-mobility market in AfricaYou have a passion for improving the lives of the customers who use our productsYou are interested in working in a truly full-stack teamOn a given day you'll likely... Work collaboratively across the company to continuously refine how our platform can create the greatest impact, scale efficiently, and operate reliably for our usersDesign, develop, and maintain features for the MOPO Platform that enhance functionality and user experienceOptimise database performance and ensure efficient data storage and retrieval for our growing networkBuild intuitive and responsive web interfaces that work reliably in challenging connectivity environmentsIntegrate third-party APIs and services to extend platform capabilitiesConduct code reviews, mentor team members, and champion best practicesTroubleshoot technical issues to ensure minimal disruption to our operations across four countriesParticipate actively in Agile processes, contributing to planning and refinement sessionsWe would like to hear from you if you have the following experience... Strong proficiency in Python and Django for backend developmentGood working knowledge of Vue.js (or similar Javascript framework, e.g. React)In-depth knowledge of MariaDB and SQLRESTful API design and developmentVersion control systems (e.g., Git) and CI/CD pipelinesWeb security best practices and performance optimizationServer deployment and maintenance (e.g. nginx, cron, package managers)Strong debugging skills (e.g. PyCharm debugger, pdb, Sentry)The following would be a strong plus...Knowledge of IoT or hardware integrationExperience with distributed systems or offline-first architecturesBackground in energy, mobility, or fintech sectors We can't hire everyone… but we can help them shine somewhere brilliant.At Octopus, we're lucky to attract some incredibly talented humans. And while we can’t bring every talented person into our team, we can help them land somewhere that’s just as mission-driven. That’s why we’re sharing opportunities from MOPO; a company we’ve proudly backed through a strategic investment.MOPO is transforming access to clean, affordable energy across Sub-Saharan Africa with its pioneering solar battery technology. As part of our partnership to accelerate global electrification and leapfrog dirty fossil fuels, we’re supporting their hunt for exceptional talent. If you share our passion for tech-driven climate solutions, this could be your chance to make a serious impact.Joining their existing growing Sheffield-based team, you'll be working to match their ambition to radically reimagine transport and energy in Africa through the development of the MOPO Platform - the digital backbone that powers our energy distribution network across the continent.You'll be working across the full stack using Python/Django, Vue.js, and MariaDB to build and maintain the platform that manages our solar hubs, battery networks, and the thousands of customers they serve daily. It's an exciting and varied challenge where your code directlyimpacts lives and livelihoods.Mopo are looking for a candidate to join their team to add capacity for their rapidly scaling platform and to help steer the direction of their technical architecture.Working locationThe role is based primarily in our Sheffield HQ, with up to two days working from home if desired. Occasional international travel to Sub-Saharan Africa is entirely optional, but is something they offer to all of their employees if they are interested.The role will interest you if... You’re excited by the prospect of transforming the off-grid energy and e-mobility market in AfricaYou have a passion for improving the lives of the customers who use our productsYou are interested in working in a truly full-stack teamOn a given day you'll likely... Work collaboratively across the company to continuously refine how our platform can create the greatest impact, scale efficiently, and operate reliably for our usersDesign, develop, and maintain features for the MOPO Platform that enhance functionality and user experienceOptimise database performance and ensure efficient data storage and retrieval for our growing networkBuild intuitive and responsive web interfaces that work reliably in challenging connectivity environmentsIntegrate third-party APIs and services to extend platform capabilitiesConduct code reviews, mentor team members, and champion best practicesTroubleshoot technical issues to ensure minimal disruption to our operations across four countriesParticipate actively in Agile processes, contributing to planning and refinement sessionsWe would like to hear from you if you have the following experience... Strong proficiency in Python and Django for backend developmentGood working knowledge of Vue.js (or similar Javascript framework, e.g. React)In-depth knowledge of MariaDB and SQLRESTful API design and developmentVersion control systems (e.g., Git) and CI/CD pipelinesWeb security best practices and performance optimizationServer deployment and maintenance (e.g. nginx, cron, package managers)Strong debugging skills (e.g. PyCharm debugger, pdb, Sentry)The following would be a strong plus...Knowledge of IoT or hardware integrationExperience with distributed systems or offline-first architecturesBackground in energy, mobility, or fintech sectorsClosing date for applications: 17th November 2025 12pm.More about MOPO:MOPO is on a mission to enable renewable energy access in underserved markets. Already operating in Nigeria, DRC, Sierra Leone and Liberia, our solar power stations distribute energy through proprietary MOPO Batteries managed by a network of local agents. Our model is already powering thousands of homes and small businesses - eliminating fossil fuel use and enabling livelihoods. With backing from Octopus Energy, British International Investment, and Norfund, MOPO is scaling rapidly and is positioned to transform energy access and e-mobility across the continentWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

The Company

About Octopus Energy

-Founded with a mission to disrupt the energy sector with clean and affordable solutions. -Revolutionized the way consumers access renewable energy by making it easier and cheaper to switch to green energy. -A leader in the UK’s transition to renewable energy, specializing in solar, wind, and other clean technologies. -Through innovative technology and a customer-first approach, the company scales up energy solutions for homes and businesses. -Operates in multiple countries, providing both residential and commercial clients with green power and smart energy services. -Created a cutting-edge energy platform, Octopus Energy Power, that optimizes energy use and reduces costs. -Focuses on using technology to simplify energy management and reduce carbon footprints for consumers worldwide. -In addition to supplying energy, Octopus invests heavily in infrastructure to drive the future of energy generation and storage. -Has an impressive portfolio of projects that span across solar and wind farms, creating a large impact on the renewable energy landscape. -Known for a commitment to reducing reliance on fossil fuels while maintaining reliable and cost-effective energy solutions.

Sector Specialisms

Residential

Commercial

Energy

Renewable Energy

Wind

Solar

Hydropower

Smart Homes

Electric Vehicle Charging

Smart Metering

Fullstack Engineer at Octopus Energy in Sheffield, England, United Kingdom