Senior C++ Real-Time Backend Engineer (Qt/QML)

ALTEN LTD - UK; Fareham; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private Medical Insurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere and team events

Flexible working (role dependent)

Job summary

ALTEN LTD - UK in Fareham is seeking an experienced Software Engineer to join a distributed engineering team working on high‑performance, real‑time systems. You will build robust backend software, work close to hardware and sensors, and create intuitive user interfaces for complex systems.

You’ll be involved across the full software lifecycle, with a strong focus on performance, reliability and quality, and you’ll collaborate with systems, embedded and UI/UX engineers to deliver integrated

Qualifications

• 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.

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.

Skills

C++

Qt / QML

Real-time systems

Sensor data integration

Remote collaboration

Defence / Maritime experience

Education

Bachelor’s or Master’s degree in Engineering

Equivalent military experience

Job description

ALTEN LTD - UK in Fareham is seeking an experienced Software Engineer to join a distributed engineering team working on high‑performance, real‑time systems. You will build robust backend software, work close to hardware and sensors, and create intuitive user interfaces for complex systems.

You’ll be involved across the full software lifecycle, with a strong focus on performance, reliability and quality, and you’ll collaborate with systems, embedded and UI/UX engineers to deliver integrated