.NET Tech Lead
Location: Southampton (2–3 days per week onsite, hybrid)
Salary: £80,000 - 100,000 + strong benefits package
The Opportunity
We are partnered with a growing, purpose-driven technology business in the green energy and sustainability sector, dedicated to supporting organisations on their journey to net zero. The company is scaling a new SaaS platform and digital services designed to help clients reduce carbon emissions, optimise energy usage, and drive real-world environmental impact. The team is currently small and needs a new tech lead to take the reins. You’ll spend about 70% of your time on development and code, and 30% on leadership, management and architecture. There are plans to grow the team, so over the next 2‑3 years this role will likely evolve into a manager of a larger engineering team.
This is the perfect opportunity for someone who is both a talented senior/lead developer and a strong process and people person. You will balance technical expertise with product and software architecture, leadership and mentoring.
Key Responsibilities
* Lead and grow a small, high-performing development team
* Drive the end‑to‑end design and build of SaaS products, from initial architecture to delivery
* Remain technically involved and hands‑on, particularly in C#, .NET, and Azure
* Implement engineering best practices: Agile/Scrum, CI/CD pipelines, and code quality standards
* Collaborate cross‑functionally with product and business stakeholders to translate requirements into scalable solutions
* Ensure performance, security, and reliability of cloud‑based systems
* Act as both a technical leader and mentor, fostering a culture of innovation and accountability
About You
* Strong technical background in C#, .NET, and Azure
* Experience managing and mentoring small development teams while remaining technically hands‑on
* Solid understanding of modern software development practices, cloud architecture, and Agile delivery
* Excellent communication skills, with the ability to work closely with both technical and non‑technical stakeholders
* Problem‑solving mindset and ability to thrive in a scaling environment where you can make a real impact
What’s on Offer
* Up to £100,000 salary + bonus, pension, holiday & electric car scheme
* Hybrid working model (2–3 days per week in Southampton HQ)
* Opportunity to lead, build, and deliver a SaaS platform with significant industry impact
* Modern, values‑driven working culture with strong investment in people and technology
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Information Technology
Industries
Services for Renewable Energy and Energy Technology
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