Full Stack Software Engineer

L3

Harris is dedicated to recruiting and developing high‑performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work‑life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3

Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission‑critical needs always in mind, our employees deliver end‑to‑end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – Full Stack Software Engineer

Job Location – Tewkesbury, UK

Job  – 31901

From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide.

L3

Harris in Tewkesbury is our HQ for our Intelligence & Cyber International division. In the land domain, our T7 and T4 multi‑mission robots deliver next‑generation remote capabilities and uncompromised performance. We design and manufacture world‑leading land force protection systems, cyber and electromagnetic activities (CEMA), electronic warfare (EW) and encryption capabilities. Our cyber capabilities provide an information advantage in the fields of kinetic conflict, cyber warfare, force protection and counter terrorism.

We are seeking mid‑level or experienced Software Engineers with a passion for building elegant solutions and a proven track record of technical excellence to design and develop innovative, cutting‑edge systems. This role offers the opportunity to be a hands‑on Software Engineer helping to create solutions that prioritise performance, reliability, and scalability.

Depending on your expertise, you may contribute to our Electronic Warfare, Integrated Air & Missile Defence or Information Resilience portfolios. We’re looking for full‑stack engineers with hand‑on experience in Angular and/or React, leveraging Type Script to craft responsive front‑end web apps, and building robust RESTful APIs using the latest C# .NET technologies on the back end.

Please note that although hybrid working may be available, this is dependent on specific projects, and as such may change from time to time. As a result we cannot guarantee hybrid or remote working for this role. The successful candidate must be capable of full‑time on‑site presence at our Tewkesbury facility.

We welcome applications from individuals who bring diverse skills and experiences. If you are passionate about this role and believe you can make a meaningful contribution, we encourage you to apply, even if you don't meet every requirement. We value a commitment to growth and are open to potential.

• £3,000 to £6,000 DV Bonus – please note this level of clearance isn’t essential for this role. This bonus is subject to individual clearance and project requirements – discussed upon application.
• Flexible or part‑time working arrangements considered upon request.
• Half day finish on a Friday
• 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
• Private medical insurance with optional family cover
• Pension scheme of up to 8% employer contribution
• Life Assurance 4x salary (flexible up to 10x)
• Group income protection
• Flexible opt‑in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme and electric vehicle scheme
• Employee Family Assistance Program providing mental health and wellbeing support
• Professional membership reimbursement (discretionary)

The responsibilities of your role will include the following:

• Applying your software skills as an individual contributor to help develop complex software systems;
• Collaborating with cross‑functional teams to define functional and non‑functional requirements for embedded and/or…