C++ Software Engineer (UML Modelling)

JR United Kingdom; Livingston; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in Livingston is seeking an experienced C++ Software Engineer for a high-profile defence and aerospace program. You will work on embedded software development, utilizing UML-based modelling and applying Agile methodologies. The ideal candidate has strong skills in C++, Object-Oriented Design, and relevant compliance standards. This role is office-based and requires SC clearance. Competitive contract terms are offered.

Qualifications

• Proven experience in real-time C++ software development.
• Strong understanding of Object-Oriented Design principles.
• Hands-on experience with modelling tools.

Responsibilities

• Develop and maintain embedded software using C++.
• Support full software development lifecycle activities.
• Collaborate with engineers to deploy software.

Skills

C++ programming

UML Modelling

Object-Oriented Design

Agile methodologies

Embedded software development

Tools

IBM Rhapsody

Jira

GitLab

Job description

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C++ Software Engineer (UML Modelling), livingston

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Client:

LHH

Location:

livingston, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

22.08.2025

Expiry Date:

06.10.2025

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Job Description:

Senior C++ Software Engineer – UML Modelling

Location: Edinburgh

Clearance Required: SC cleared

Type: Contract

IR35 Status: Inside or

Working Model: Office-based

Overview

We are seeking an experienced C++ Software Engineer to support a high-profile defence and aerospace programme involving real-time embedded software development. You will be joining a well-established software engineering team contributing to critical radar systems and complex platform capabilities.

This role offers the opportunity to work on cutting-edge projects, applying modern software engineering practices and modelling techniques within a collaborative, multi-disciplinary environment.

Key Responsibilities

• Develop and maintain embedded software using C++ within a UML-based modelling environment (e.g. IBM Rhapsody)
• Support full software development lifecycle activities — from design and implementation to integration and verification
• Collaborate with systems and hardware engineers to deploy software to multi-core or distributed embedded platforms
• Adhere to relevant standards such as RTCA DO-178C and MISRA C/C++ for airborne software development
• Deliver software using Agile methodologies, contributing to regular sprints and reviews

Required Experience

• Proven experience in real-time C++ software development
• Strong understanding of Object-Oriented Design (OOD) principles and UML modelling
• Hands-on experience with modelling tools such as IBM Rhapsody
• Familiarity with software safety and compliance standards (e.g. DO-178C, MISRA)
• Experience with Agile delivery frameworks (Scrum) and tools such as Jira, Confluence, Bitbucket or GitLab
• Comfortable working in an office-based environment alongside engineers from multiple disciplines

If you are a detail-driven software engineer with strong C++ and UML skills, and are looking for a role with long-term impact in the defence and aerospace sector, we’d like to hear from you.