Senior Software Engineer - C# & Delphi in England

Are you an experienced software engineer who enjoys balancing innovation with maintaining business-critical systems? Do you have experience across both C# & Delphi? If so, then this could be the role for you.

About us

We are a leading UK technology company delivering transformative, data driven solutions for the energy sector and beyond. With two decades of experience, we help organisations unlock the power of smart data to improve efficiency, reduce cost to serve, and enhance customer experience. Trusted by millions of households and major industry partners, our innovative platforms and energy data management solutions support a smarter, more sustainable future. Our passionate team of problem solvers is committed to building technology that truly makes a difference, and our promise is to put customers at the heart of everything we do.

What does this role involve?

As a Senior Software Engineer, you'll be a key member of our product team, designing, developing, and maintaining bespoke software solutions that support both our customers and internal teams. Working in a fast-paced Agile environment, you'll contribute across internal tools, customer-facing applications, APIs, and databases, helping to deliver robust, scalable, and high-quality solutions. You'll work across both C# & Delphi, enhancing and supporting our CRM products while helping to modernise applications and integrate them with modern platforms. Taking ownership of the software you build, you'll ensure features, enhancements, and fixes are thoroughly tested, stable, and ready for deployment. Beyond hands-on development, you'll play an important role in shaping technical direction, driving continuous improvement, and supporting the growth of the engineering team through mentoring, knowledge sharing, and leading by example.

Who are we looking for?

We're looking for an experienced software engineer who enjoys solving complex technical challenges and delivering high-quality software that makes a real impact. You'll have strong development experience in C# & Delphi, with an interest in working across both technologies. You'll be someone who takes ownership, thrives in a collaborative environment, and can balance hands-on delivery with technical leadership. Whether it's contributing to architecture decisions, identifying opportunities for modernisation, improving engineering practices, or supporting fellow engineers, you'll be motivated by creating better solutions and helping the team succeed. Most importantly, you'll bring a proactive mindset, strong problem-solving skills, and a commitment to quality, ensuring the technology we deliver is reliable, maintainable, and fit for the future.

The technical environment includes: Delphi, C#, APIs, Oracle, SQL, Agile/Scrum, Git code management and cloud-based technologies.

Although the role is remote, we do require the team to come to our Chandlers Ford head office for team collaboration days.

This role will involve on-call working on a rota basis (24/7).

To be successful in this role you will be required to pass an enhanced security vetting process.

Benefits - available from day one!

• Bonus Scheme, made up of personal and company elements.
• Career progression, we’re an expanding organisation.
• 25 days annual leave plus bank holidays.
• Pension scheme, company contribution at 4% of your salary when you contribute 5%.
• Our Chandlers Ford office offers access to a free, fully equipped onsite gym, along with showers and changing facilities.
• The opportunity to win tickets to major outdoor events including gigs and shows at arenas around the UK.
• We offer an EV car scheme. Qualifying terms and conditions apply.
• A health care scheme that includes dental, eye care, treatments, and diagnostics health consultations.
• Death in service – we pay three times your annual salary to your designated next of kin, giving them peace of mind should you sadly pass away during service.
• Employee Assistance Programme with access to counselling support, legal and financial advice 24/7 365 days a year, as well as a GP line and Your Care.
• We also offer all our staff a paid volunteering day every year. Plus, the chance to be involved in various fund-raising opportunities.

Our employees, just like our customers come from all walks of life, and we’re fuelled in championing diversity, inspiring an inclusive culture, and enabling an environment where you can be your authentic self.