Join us, be part of more. We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. Centrica Energy is the trading arm of Centrica, operating across power, gas, LNG and environmental markets.As a Senior Full-Stack Engineer, you will design, build and support strategic applications across our Trader Marks and Market Data platforms. Working primarily with C#/.NET, Azure, modern web technologies and AI-assisted engineering tools, you will deliver scalable solutions that support trading, risk, analytics and operational teams across Centrica Energy.You will work closely with engineers, architects, traders and analysts to deliver secure, resilient and high-quality software, while helping drive adoption of modern engineering and AI development practices.We embrace ‘flexible first’ as our guiding principle for flexible and hybrid working, which balances work, the team, and the individual need for flexibility. This role is based out of our London office, close to Marble Arch, with the team typically coming in 3 days per week. #LI-CETHere’s what we need you to do:<ul><li>Design, develop and support full-stack applications using C#/.NET, Azure and modern web technologies</li><li>Build APIs, microservices and event-driven solutions</li><li>Integrate market data, cloud services, ETRM platforms and vendor systems</li><li>Deliver secure, resilient and observable solutions aligned to engineering standards</li><li>Use AI tools such as Claude and GitHub Copilot to improve development productivity and quality</li><li>Contribute to solution design and architecture decisions</li><li>Implement CI/CD, Infrastructure as Code and automated testing</li><li>Collaborate with business and technology teams to deliver platform enhancements</li><li>Support production incidents and continuous improvement activities</li><li>Mentor engineers and promote engineering best practice.</li></ul>What we’re looking for:<ul><li>Strong hands-on experience with C#/.NET and cloud platforms (Azure preferred)</li><li>Experience building APIs, microservices, event-driven systems and distributed architectures</li><li>Experience developing modern web applications using React, Angular or similar frameworks</li><li>Experience with containerisation and cloud-native development</li><li>Strong understanding of system design, scalability, resilience, observability and security</li><li>Experience with SQL/NoSQL databases and data-intensive applications</li><li>Experience with CI/CD, DevOps practices, Infrastructure as Code and automated testing</li><li>Experience using Azure DevOps and Agile delivery approaches</li><li>Experience using AI-assisted development tools such as Claude, GitHub Copilot or Cursor</li><li>Experience building AI-enabled applications or integrating LLM capabilities</li><li>Understanding of RAG, prompt engineering and agent-based solutions</li><li>Strong analytical and problem-solving skills</li><li>Strong stakeholder engagement and communication skills.</li></ul>Why should you apply?       We’re not a perfect place – but we’re a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. That’s why we’ve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too. Visit the link below to discover why we’re a great place to work and what being part of more means for you.      <a href="http://www.morethanacareer.energy/centrica">https://www.morethanacareer.energy/centrica</a>  If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority. Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.

Centrica Energy is a renewable energy trading company operating out of eight offices across all time zones to move energy from source to use. Our mission is to drive the green transition while offering sustainable and predictable energy costs for suppliers and offtakers. In short, we call ourselves energy movers by nature. Engaged and empowered people are the key to our success and we&rsquo;re proud of our people, their engagement, and the culture we have created. We are devoted to fostering an amazing workplace culture where everybody can thrive and do great work, while having a strong sense of camaraderie. Our Danish and UK entity are &lsquo;Great Place to Work&rsquo; certified, and our Danish entity was in April 2024 awarded &lsquo;Best Workplaces in Denmark for Gender Equality&rsquo; and awarded the 3rd &ldquo;Best Workplaces in Denmark&rdquo; among the 25 awarded companies and organisation between 50-499 employees. Follow us to stay updated on all the latest news, activities and vacancies at Centrica Energy.

Senior Full-Stack Engineer - Trader Marks & Market Data Platforms

Join us, be part of more. We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. Centrica Energy is the trading arm of Centrica, operating across power, gas, LNG and environmental markets.As a Senior Full-Stack Engineer, you will design, build and support strategic applications across our Trader Marks and Market Data platforms. Working primarily with C#/.NET, Azure, modern web technologies and AI-assisted engineering tools, you will deliver scalable solutions that support trading, risk, analytics and operational teams across Centrica Energy.You will work closely with engineers, architects, traders and analysts to deliver secure, resilient and high-quality software, while helping drive adoption of modern engineering and AI development practices.We embrace ‘flexible first’ as our guiding principle for flexible and hybrid working, which balances work, the team, and the individual need for flexibility. This role is based out of our London office, close to Marble Arch, with the team typically coming in 3 days per week. #LI-CETHere’s what we need you to do:<ul><li>Design, develop and support full-stack applications using C#/.NET, Azure and modern web technologies</li><li>Build APIs, microservices and event-driven solutions</li><li>Integrate market data, cloud services, ETRM platforms and vendor systems</li><li>Deliver secure, resilient and observable solutions aligned to engineering standards</li><li>Use AI tools such as Claude and GitHub Copilot to improve development productivity and quality</li><li>Contribute to solution design and architecture decisions</li><li>Implement CI/CD, Infrastructure as Code and automated testing</li><li>Collaborate with business and technology teams to deliver platform enhancements</li><li>Support production incidents and continuous improvement activities</li><li>Mentor engineers and promote engineering best practice.</li></ul>What we’re looking for:<ul><li>Strong hands-on experience with C#/.NET and cloud platforms (Azure preferred)</li><li>Experience building APIs, microservices, event-driven systems and distributed architectures</li><li>Experience developing modern web applications using React, Angular or similar frameworks</li><li>Experience with containerisation and cloud-native development</li><li>Strong understanding of system design, scalability, resilience, observability and security</li><li>Experience with SQL/NoSQL databases and data-intensive applications</li><li>Experience with CI/CD, DevOps practices, Infrastructure as Code and automated testing</li><li>Experience using Azure DevOps and Agile delivery approaches</li><li>Experience using AI-assisted development tools such as Claude, GitHub Copilot or Cursor</li><li>Experience building AI-enabled applications or integrating LLM capabilities</li><li>Understanding of RAG, prompt engineering and agent-based solutions</li><li>Strong analytical and problem-solving skills</li><li>Strong stakeholder engagement and communication skills.</li></ul>Why should you apply?       We’re not a perfect place – but we’re a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. That’s why we’ve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too. Visit the link below to discover why we’re a great place to work and what being part of more means for you.      <a href="http://www.morethanacareer.energy/centrica">https://www.morethanacareer.energy/centrica</a>  If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority. Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.

Senior Full-Stack Engineer - Trader Marks & Market Data Platforms

About the Job

About the Company

Centrica Energy

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