Junior Software Engineer

Company: Haystack

Location: Gloucestershire, England (Remote)

Type: Full-time

Level: Junior

Remote: Yes

Posted: 2026-02-26

About this role

Graduate Software Engineer | Gloucestershire | £43,000 - £45,000

We're working with a market-leading titan in the Defence and Aerospace sector on this exciting opportunity. This is your chance to kickstart your career by building high-impact software for cyber security systems and novel signal processing applications that protect national infrastructure.

As a Graduate Engineer, you won't just be writing code; you'll be mastering a multi-language environment including C++, Rust, and Python while working alongside industry experts who are dedicated to your professional growth. If you are a high-achieving graduate with a passion for complex problem solving and modern software engineering, this is the perfect launchpad.

The Role

• Design and develop robust software solutions for cutting-edge cyber security and intelligence systems.

• Create novel signal, image, and data processing applications to solve real-world technical challenges.

• Work across a diverse tech stack including C/C++, Rust, Python, and TypeScript/HTML for full-spectrum development.

• Collaborate with senior mentors to refine your coding standards and architectural understanding.

• Provide technical support and training to end-users, ensuring the software delivers maximum mission impact.

What You'll Need

• A strong academic background (Degree in Computer Science, Software Engineering, Physics, or a related STEM discipline).

• Solid foundational experience in Software Development, specifically with C or C++.

• Exposure to or a strong desire to learn modern languages like Rust, Python, and JavaScript/TypeScript.

• A self-motivated mindset with the ability to take ownership of tasks and work independently when required.

• Excellent communication skills to present complex technical ideas to both internal teams and external customers.

What's On Offer

• Highly competitive starting salary (£43,000 - £45,000) for graduate entry.

• Structured career progression and mentorship wit...

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