Mid Level Software Developer

ONYX Insight; Nottingham; On-site; GBP 35,000 - 50,000; Full time

Job summary

ONYX Insight seeks a Mid Level Software Developer to contribute to developing scalable software solutions for the renewable energy sector. The role emphasizes hands-on work with C# and React, fostering collaboration in a team-oriented environment. Candidates should be enthusiastic about solving technology-driven challenges and be willing to grow their skills.

Qualifications

• 2-4 years of experience in C# .NET software development.
• Hands-on experience with frontend development using React (1 year).
• Understanding of application architecture concepts (APIs, microservices).

Responsibilities

• Contribute to design, development, and deployment of features.
• Collaborate with cross-functional teams to deliver solutions.
• Write clean, maintainable code and support DevOps integration.

Skills

C# .NET

React

Collaboration

Problem Solving

Agile Development

Job description

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Join to apply for the Mid Level Software Developer role at ONYX Insight

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Are you a developer ready to grow your skills while contributing to impactful, scalable software solutions?

At ONYX Insight, we’re looking for a Mid-Level Software Developer to join our growing team and help shape the future of our tech stack and renewable energy platforms.

This is a fantastic opportunity to be hands-on in developing and refining technology that powers the renewable energy sector. Working with modern C# .NET and React, you'll contribute to building robust, high-performance systems that support our core products.

At ONYX Insight, we foster a collaborative environment where developers can innovate, solve real-world problems, and make meaningful contributions.

What You'll Do

• Build and Deliver: Contribute to the design, development, and deployment of new features across backend and frontend systems.
• Collaborate: Work with cross-functional teams, including designers, engineers, and product managers, to deliver user-focused solutions.
• Write Clean Code: Develop maintainable and scalable applications using C# .NET (6-9) and React.
• Support DevOps: Work alongside platform engineers to integrate CI/CD pipelines and support infrastructure automation.
  
  

What You'll Have/be

• 2–4 years of experience in commercial software development using C# .NET.
• Some hands-on experience with frontend development using React (at least 1 year).
• Exposure to application architecture concepts, such as APIs and microservices.
• Familiarity with cloud environments, ideally AWS.
• Basic experience with relational databases such as PostgreSQL.
• Understanding of Agile development practices and modern software delivery.
• Strong collaboration and communication skills, with a willingness to learn and grow.
• Enthusiasm for solving real-world problems through technology.
  
  

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. Macquarie is a global financial services group operating in 34 markets in asset management, leasing and asset financing, market access, commodity trading, renewables development, specialist advisory services, capital raising and principal investment. The diversity of the Macquarie Group operations combined with a strong capital position and robust risk management framework has contributed to a 54 year-record of unbroken profitability.

For any further information, or to understand our products and services better, please feel free to look through our website: https://onyxinsight.com/

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.

Seniority level

• Seniority level

  Associate

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Data Infrastructure and Analytics

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