At a Glance
- Tasks: Develop and enhance our customer portal and internal applications using cutting-edge technologies.
- Company: Join Corona Energy, a leading independent energy supplier with a collaborative culture.
- Benefits: Enjoy competitive salary, private medical insurance, and extra day off on your birthday.
- Other info: Dynamic work environment with excellent career progression and community-focused office.
- Why this job: Make a real impact by driving innovation and shaping the future of technology at Corona.
- Qualifications: 5+ years in software development with strong C# and .NET skills required.
The predicted salary is between 45000 - 55000 £ per year.
- Information Technology Developer
- IT Developer
- 3 days office based and 2 days working from home)
About Us
At Corona Energy, we are proud to be one of the UK's leading independent energy suppliers, with over 30 years of experience supporting businesses across the UK.
Today, we supply approximately 14% of the industrial and commercial gas market, serving around 13,000 gas and electricity customers.
Our success is built on our people.
We believe that when our employees thrive, our business thrives.
That's why we've created a culture that encourages collaboration, rewards innovation, and supports continuous development.
We are passionate about delivering exceptional customer service while investing in the growth and wellbeing of our teams.
About the Role
We are looking for an
IT Developer to become a key technical leader within our growing team. In this role you will have ownership of one of our most business-critical systems my Corona
, our customer portaland play a central role in developing the next generation of internal applications, automation solutions, and AI-enabled technologies.
This position combines two exciting workstreams
Customer-Facing Development
You will take ownership of our customer portal ecosystem, driving enhancements, maintaining integrations, and ensuring an exceptional customer experience.
Innovation & Transformation
You will help build new applications and business capabilities across the Microsoft technology stack, while exploring and implementing emerging technologies including Microsoft Power
Platform, Copilot Studio, Azure AI Services and Foundry.
Working closely with key members of the team you will help shape not only what we build, but how we build it.
This role offers genuine ownership, technical influence, and the opportunity to leave a lasting mark on a technology function that's actively modernising and embracing AI-enabled solutions.
Key responsibilities include
- Develop, Enhance & Maintain Critical Platforms
- Take primary ownership of the my Corona customer portal.
- Design, build and maintain high-quality applications using C# and . NET.
- Develop scalable RESTful APIs and backend services.
- Enhance and support integrations with core business systems including Dynamics 365 and SQL Server environments.
- Deliver secure, reliable, and maintainable solutions.
- Drive Technical Excellence
- Translate business requirements into elegant technical solutions.
- Design systems with scalability, resilience, and long-term maintainability in mind.
- Write clean, efficient, well-documented code.
- Conduct and participate in code reviews.
- Champion modern development best practices and coding standards.
- Develop comprehensive automated testing solutions to ensure software quality.
- Support Modernisation & Innovation
- Contribute to the transformation of legacy applications and integrations.
- Help shape Corona's future technology landscape.
- Build internal tools using Microsoft Power Platform technologies.
- Explore AI-enabled solutions that improve business processes and customer experiences.
- Bring innovative ideas and recommendations to the wider IT team.
- Collaborate & Influence
- Work closely with analysts, data specialists, project teams, and business stakeholders.
- Provide technical guidance and expertise across projects.
- Act as a senior technical voice within the development function.
- Support architectural discussions and technical decision-making.
- Business-As-Usual Support
- Provide second-line application support alongside our Managed Service Provider.
- Investigate and resolve complex application and integration issues.
- Monitor portal, API, and data pipeline performance.
- Support ongoing operational stability and continuous improvement.
Skills and experience required
- 5+ years' professional software development experience.
- Strong hands-on experience developing with C# and . NET Framework.
- Proven experience building RESTful APIs and service-based architectures using ASP. NET.
- Experience working with Microsoft SQL Server, including query optimisation, schema design and stored procedures.
- Experience developing and deploying solutions within Microsoft Azure environments.
- Comfortable working across both modern and legacy application estates.
- Strong Git Hub and source control experience, including pull requests and code reviews.
- Experience working within Agile delivery environments using Jira and Confluence.
- Solid understanding of software development lifecycle best practices.
- Ability to take ownership from concept through to delivery
- Excellent communication and stakeholder management skills
- A collaborative mindset and passion for building great software.
Desirable Experience
- Dynamics 365 integrations.
- Entity Framework Core.
- CI/CD pipelines and Azure Dev Ops.
- Oracle database environments.
- SFTP integrations and file processing.
- Energy, utilities, or B2B industry experience.
What you will receive in return
- Competitive salary and benefits package
- Career progression opportunities
- Annual profit share bonus
- Contribution pension scheme
- Private medical insurance
- Bupa dental
- Life insurance & income protection
- Extra day off on your birthday
- Enhanced annual leave options
- Free parking
- Fresh fruit, snacks, and breakfast daily
- Access to a personal online learning platform
- Stunning new office with a welcoming, community-focused environment
- Incredible company parties and social events
At Corona Energy, we believe that diversity and inclusion are essential to driving innovation and discovery.
We are committed to creating a workplace where everyone feels valued, respected, and empowered to succeed, regardless of their background, identity, or personal circumstances.
We actively encourage applications from individuals of all genders, ethnicities, abilities, and experiences.
As a Disability Confident Employer, we ensure that everyone can apply and be part of our recruitment processes and we will make reasonable adjustments if you need them.
For this or any other assistance you need with applying please email contact the recruitment team.
Information Technology Developer - Watford in Iver Heath employer: Corona Energy
At Corona Energy, we pride ourselves on being an excellent employer, offering a dynamic work environment in Watford that fosters professional growth and collaboration. Our commitment to employee well-being is reflected in our comprehensive benefits package, including wellness programs and engaging social events, making it a rewarding place to advance your career as a Senior Financial Accountant. Join us to be part of a supportive culture where your contributions are valued and recognised.
StudySmarter Expert Advice🤫
We think this is how you could land Information Technology Developer - Watford in Iver Heath
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Corona Energy or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Corona Energy.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Corona Energy.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Corona Energy that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Information Technology Developer - Watford in Iver Heath
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Corona Energy.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Corona Energy and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Corona Energy
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Corona Energy uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
