At a Glance
- Tasks: Develop high-impact backend solutions and support frontend development using C# .NET and React.
- Company: Join ONYX Insight, a leader in renewable energy technology and innovation.
- Benefits: Competitive pay, flexible work environment, and opportunities for professional growth.
- Other info: Dynamic team culture with a focus on collaboration and innovation.
- Why this job: Make a real difference in the renewable energy sector with cutting-edge technology.
- Qualifications: 5+ years of C# .NET experience and familiarity with React.
The predicted salary is between 60000 - 80000 € per year.
The Role
Are you a highly skilled full stack contractor looking to make an immediate impact on a modern, high-visibility platform? At ONYX Insight, we’re looking for a Senior Software Contractor to join our team, with a primary focus on backend delivery using C# .NET, alongside contributing to our React frontend services. This is a hands-on contract role where you’ll be trusted to hit the ground running, deliver high-quality code, and contribute to the evolution of our core platforms supporting the renewable energy sector. You’ll work closely with product, design, and engineering teams to build scalable, performant user interfaces, while also supporting backend integrations where needed.
Key Responsibilities:
- Deliver High-Impact Backend Solutions: Own the development of responsive, high-performance applications using C# .NET (primary focus).
- Full-Stack Contribution: Support frontend development with React (secondary focus), ensuring seamless integration between frontend and services.
- Build & Ship Quickly: Work in an agile environment to design, develop, and release features efficiently with minimal oversight.
- Collaborate Effectively: Partner with cross-functional teams to translate requirements into practical, user-focused solutions.
- Drive Code Quality: Write clean, maintainable, and scalable code, following best practices across both frontend and backend.
- Support Delivery & DevOps: Contribute to CI/CD pipelines and deployment processes to ensure reliable and consistent releases.
Ideally, you’ll have/be:
- Strong commercial experience with C# .NET (5+ years preferred) – this is the core focus of the role.
- Solid experience with modern frontend tooling (state management, component libraries, testing frameworks).
- Working knowledge of React (2+ years) to support frontend services.
- Proven track record delivering software in contract or fast-paced environments.
- Experience building scalable, performant web applications.
- Familiarity with cloud platforms (AWS preferred).
- Experience with relational databases (PostgreSQL ideal).
- Comfortable working autonomously, managing priorities, and delivering to tight timelines.
- Strong communication skills and a pragmatic, delivery-focused mindset.
About ONYX
ONYX Insight is a growing technology and engineering organisation in the renewable energy sector. Our vision is to build a more efficient future by becoming the world’s most innovative provider of predictive technology solutions. Our advanced sensing, software and analytics combined with our engineering experience are deployed on wind turbines around the world to maximise production and make turbines more reliable for longer, optimising energy production. ONYX Insight is part of the Macquarie Group.
ONYX Insight are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Senior Software Developer (Back-end) in Nottingham employer: ONYX Insight
At ONYX Insight, we pride ourselves on being an exceptional employer in the renewable energy sector, offering a dynamic work culture that fosters innovation and collaboration. Our commitment to employee growth is evident through our agile environment, where you can make a tangible impact while working with cutting-edge technology. Located within the Macquarie Group, we provide unique opportunities for professional development and a chance to contribute to a sustainable future.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Developer (Back-end) in Nottingham
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those using C# .NET and React. This will give potential employers a taste of what you can do and set you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on common technical questions and coding challenges. Practice makes perfect, so consider mock interviews with friends or use platforms that simulate real interview scenarios.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it’s a great way to ensure your application gets the attention it deserves.
We think you need these skills to ace Senior Software Developer (Back-end) in Nottingham
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Software Developer role. Highlight your experience with C# .NET and any relevant projects that showcase your backend skills. We want to see how you can make an impact right from the start!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for our team at ONYX Insight. Share your passion for renewable energy and how your skills align with our mission. We love a good story!
Showcase Your Projects:If you've worked on any impressive projects, don’t hold back! Include links to your GitHub or portfolio where we can see your code in action. This gives us a better idea of your coding style and problem-solving abilities.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen to join our team!
How to prepare for a job interview at ONYX Insight
✨Know Your Tech Stack
Make sure you brush up on your C# .NET skills, as this is the core focus of the role. Be prepared to discuss your past projects and how you've used these technologies to deliver high-quality backend solutions.
✨Showcase Your Full-Stack Experience
Even though the primary focus is on backend development, don’t forget to highlight your experience with React. Be ready to explain how you’ve integrated frontend and backend services in previous roles.
✨Demonstrate Agile Mindset
Since the role involves working in an agile environment, come prepared with examples of how you've successfully delivered features quickly and efficiently. Talk about your experience with CI/CD pipelines and how you ensure reliable releases.
✨Communicate Effectively
Strong communication skills are key for this position. Practice articulating your thoughts clearly and concisely, especially when discussing technical concepts. Show that you can collaborate well with cross-functional teams to translate requirements into user-focused solutions.
