Python Software Developer jobs in United Kingdom

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Company Description

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Job Description

ALTEN UK is looking for a Senior Embedded Software Developer to join our engineering team supporting a long-term defence programme involving high-precision optical systems. You will play a key role in the development of embedded software for next-generation submarine technology. This role is suited to engineers who thrive on hands-on technical work, real-time system challenges, and building software that operates in mission-critical environments.

Key Responsibilities:

• Develop and integrate embedded real-time software using C++, targeting PIC-based microcontrollers.
• Perform hands-on coding, debugging, and low-level hardware interaction to support system integration activities.
• Ensure all software components align with project-specific and defence industry safety standards.
• Collaborate with multidisciplinary teams including systems and hardware engineers to deliver reliable solutions.
• Work with DOORS to manage and trace requirements throughout the full software lifecycle.
• Contribute to design reviews, test plans, and continuous improvement of development processes.

Qualifications

Skills & Experience Required:

• 5+ years' experience in embedded software development using C++ in real-time systems.
• Strong background in microcontroller integration, particularly PIC-based architectures.
• Experience working to safety-critical software standards such as DO-178C or MISRA.
• Proficient in software development lifecycle activities including design, integration, and testing.
• Practical use of DOORS or equivalent requirements management tools.
• A pragmatic and proactive attitude with excellent problem-solving skills.

Desirable Skills:

• Exposure to optomechanical systems or embedded systems within the defence or aerospace domains.
• Understanding of low-level drivers, firmware, and hardware/software interfacing.
• Familiarity with configuration management and debugging tools in embedded environments.

Qualifications & Security:

• Bachelor's degree in Software Engineering, Electronics, Computer Science, or a related discipline.
• Military/Armed Forces background in a technical role will also be highly regarded.
• Must be a sole UK national and eligible for SC Clearance - minimum 5 years UK residency required.

Additional Information

Why join us?

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow, today!

In short you get:

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)