Senior Full Stack Systems Developer Reference: BY(phone number removed) Hemel Hempstead £75,000 - £85,000 Join a pioneering organisation at the forefront of environmental technology. For over ten years, this company has been transforming how the UK monitors and understands environmental change, building integrated, data-driven ecosystems that deliver real-time insights. As they continue to expand, they're looking for a Lead Full Stack Systems Developer to lead a talented technical team and play a key role in shaping the next generation of intelligent digital platforms. What's on offer for the right Lead Full Stack Systems Developer: Salary: £75,000-£85,000 plus performance-related bonus, with clear scope for growth Benefits: Private healthcare, strong pension scheme, generous holiday allowance, and an electric vehicle salary sacrifice programme Culture: A forward-thinking, collaborative environment that values innovation, impact, and professional development The Lead Full Stack Systems Developer role: As Senior Full Stack Systems Developer, you'll take ownership of end-to-end development for advanced cloud-based products. You'll guide the full software lifecycle-from architecture and design to deployment-ensuring systems are scalable, secure, and high-performing. The position involves mentoring developers, influencing technical direction, and partnering with cross-functional teams to deliver cutting-edge enterprise solutions. About the Lead Full Stack Systems Developer: We're seeking someone who brings both technical depth and leadership skills, with experience in: Managing full software lifecycles across complex enterprise systems Java enterprise middleware (essential) Designing, developing, testing, and deploying software solutions Strong understanding of security, databases, networking, and HCI Technologies such as Docker, REST APIs, MQTT, and deep learning frameworks Prior exposure to environmental monitoring systems (advantageous) Proven ability to mentor or lead technical teams This is a rare opportunity to apply your full stack expertise to technology that makes a measurable difference to the planet. If you are interested in this or other positions within Software Development then please do not hesitate to contact Beth Young on (url removed) or call (phone number removed). We have many more vacancies available on our website. Please refer to (url removed). This is a permanent role. Penguin Recruitment is operating as a Recruitment Agency in respect to this position