C++ Software Engineer (SC clearance - Inside IR35)

LA International; Cheltenham; On-site; GBP 70,000 - 95,000; Full time

Job summary

LA International is seeking a SC cleared C++ Software Engineer to join a busy team delivering communications and analytics platforms across bare‑metal to large‑scale Linux deployments. The role covers front‑end to embedded development with a focus on robust C++ code and system architecture.

Candidates must be prepared to work full‑time onsite (minimum four days per week) and to obtain a high‑level security clearance. Prior experience with RF knowledge would be advantageous.

Qualifications

• Strong C++ experience with a track record in embedded or high-performance software.
• Solid grounding in Python, C; Kotlin, JavaScript and Rust experience is beneficial.
• Candidates must be eligible for high‑level security clearance.

Responsibilities

• Design a new clean‑slate product with autonomous architecture.
• Enhance existing components by adding capabilities or replacing core parts.
• Prototype quickly to validate technical approaches and iterate to meet requirements.

Skills

C++

Python

C

Kotlin

JavaScript

Rust

Job description

Our Client are looking for a SC cleared C++ Software Engineer to join a busy team. The projects are typically focused on communications and analytics, targeting a variety of platforms from bare‑metal through to large‑scale Android and Linux deployments. We're looking for developers who thrive on diverse requirements, capable of jumping from front‑end design to embedded platform development throughout their working week.

It requires strong C++ experience and a solid grounding in Python, C, Kotlin, JavaScript and Rust would be beneficial. The team focuses on user‑driven applications, often involving bespoke hardware solutions. While not required, strong fundamentals in Radio Frequency (RF) communications and a desire to learn more will be an advantage.

Candidates must work full‑time onsite, a minimum of four days per week, and should possess or be willing to obtain a high level security clearance. Successful applicants will need to be security cleared prior to appointment, which can take a minimum of ten weeks.

Key Responsibilities

• Designing a new clean‑slate product with complete autonomy over its architecture.
• Adding new capabilities to, or replacing a core component of, an existing product.
• Throwing together a quick‑and‑dirty prototype to confirm the feasibility of a proposed technical approach; iterating until it meets requirements.

We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.