Software Engineer – C#/React Full Time

Do you want to work to make Power for Good?

We’re the world’s largest independent renewable energy company. We’re guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.

We know that achieving our ambitions would be impossible without our people. Because we’re tackling some of the world’s toughest problems, we need the very best people to help us. They’re our most important asset so that’s why we continually invest in them.

RES is a family with a diverse workforce, and we are dedicated to the personal professional growth of our people, no matter what stage of their career they’re at. We can promise you rewarding work which makes a real impact, the chance to learn from inspiring colleagues from across a growing, global network and opportunities to grow personally and professionally.

Our competitive package offers a wide range of benefits and rewards.

The position

We are looking for a Software Engineer to join our APM (Asset Performance Management) team. You will work across the stack to help support our SaaS product – from designing and implementing front-end interfaces to building reliable and scalable backend services. You’ll collaborate closely with product managers, designers, and other engineers to deliver features end-to-end, improve system performance, and contribute to the technical direction of the application. This is an opportunity to have a direct impact on a product used to improve the performance of renewable assets every day.

Accountabilities

• Design, develop, and maintain front-end and back-end features of our new SaaS application.
• Collaborate with product and design teams to translate requirements into new features.
• Improve system performance, reliability, and scalability as the platform evolves.
• Participate in code reviews, testing, and deployment processes.
• Contribute to architectural discussions and long-term technical decisions.
• Help to improve documentation and maintainability of a legacy system.

Knowledge

The ideal candidate would have expertise in both front-end and back-end technologies, including modern frameworks, databases, datalakes, and API design. They would ideally have a good understanding of software architecture, testing, CI/CD, and cloud platforms like Azure. Strong knowledge of coding standards, performance optimisation, and security best practices is essential, along with the ability to contribute to scalable, maintainable solutions. Domain knowledge of the renewables industry is not essential but would be nice to have.

Skills

• Knowledge of front-end technologies such as React, HTML, CSS, and javascript/typescript.
• Experience with back-end development in C#
• Additional experience working with Python would be desirable.
• Proficiency in working with data structures such as relational databases and datalakes.
• Understanding of version control systems, preferably Git.
• Experience with CI/CD pipelines and automated testing.
• Solid understanding of software design patterns and best practices.
• Ability to communication progress to managers and collaborate with fellow engineers.
• Problem-solving skills and attention to detail.
• Ability to work in a distributed team.

Experience

• Preferred 3+ years of coding experience, including hands-on experience of all the required skills.

Qualifications

• English spoken and written

At RES we celebrate difference as we know it makes our company a great place to work. Encouraging applicants with different backgrounds, ideas and points of view, we create teams who work together to solve complex problems and design practical solutions for our clients. Our multiple perspectives come from many sources including the diverse ethnicity, culture, gender, nationality, age, sex, sexual orientation, gender identity and expression, disability, marital status, parental status, education, social background and life experience of our people.