Software Engineer

ALTEN

8h•Hybrid

About The Position

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. They partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation. At ALTEN, they empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today. The company is looking for an experienced Software Engineer to join their distributed engineering team in Fareham, working on high-performance, real-time systems. This role is ideal for someone who enjoys building robust backend software, working close to hardware and sensors, and creating intuitive user interfaces for complex systems. The successful candidate will be involved across the full software lifecycle, contributing to both core system logic and user-facing applications, with a strong focus on performance, reliability, and quality.

Requirements

Strong commercial experience with C++
Hands‑on experience with Qt / QML
Background in real‑time, embedded, or performance-critical systems
Ability to work on complex systems that integrate software, hardware, and data
Comfortable working remotely as part of a collaborative engineering team
Experiance within Defence or Maritime industries
A Bachelor’s or Master’s degree in Engineering, or equivalent military experience

Nice To Haves

Experience working with sensor data such as cameras, radar, LiDAR, or similar inputs
Background in image processing, computer vision, or perception systems
Exposure to embedded Linux or low‑level system integration
Understanding of performance optimisation and multi‑threaded applications
Experience working in regulated, safety‑critical, or high‑reliability environments

Responsibilities

Design, develop, and maintain backend software components using modern C++
Build and implement algorithms that combine and process data from multiple sensors
Develop and optimise real‑time image and data processing pipelines
Create and integrate user interfaces using Qt and QML, connected to C++ backends
Ensure high software quality through code reviews, testing, debugging, and performance tuning
Collaborate closely with systems, embedded, and UI/UX engineers
Contribute across the full development lifecycle: requirements, architecture, implementation, and documentation