ALGORITHMIC SOFTWARE DEVELOPER

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Position Description.
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator.
We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure.
We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability.
We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.
CGI was recognised in the Sunday Times Best Places to Work List and has been named one of the ‘World’s Best Employers’ by Forbes magazine.
We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (% matching) which makes you a CGI Partner not just an employee.
We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant.
Join us and you’ll be part of an open, friendly community of experts.
We’ll train and support you in taking your career wherever you want it to go.
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.
This position will be a hybrid position, working out of our site in Leatherhead.
Your future duties and responsibilities.
CGI’s Secure Space Systems business is looking for a highly motivated Algorithmic Software Developer to lead the development and enhancement of advanced software algorithms for surveillance and tracking of activity in space.
You will play a key role in implementing both speculative and mature software solutions within small projects and larger program streams.
Read more about the contract you’ll be working on here You will collaborate closely with senior technical leads and mentor junior developers, ensuring best practices and quality standards are met.
This role requires adaptability, strong communication skills, and a passion for problem-solving in a dynamic and evolving environment.
Key Responsibilities.
• Lead a small team of developers, providing technical direction, guidance, and quality review.
• Collaborate with senior technical leads to define approaches, track progress, and adapt strategies.
• Develop software solutions for orbit determination, flight dynamics, tracking, and machine learning applications.
• Establish robust strategies to ensure the reliability and accuracy of developed software.
• Prepare internal and external reports and technical papers.
• Support business development activities as needed.
• Occasional travel to CGI’s customers across the UK, Europe, and potentially worldwide.
Required qualifications to be successful in this role.
• Degree in a STEM subject or equivalent qualification.
• Strong background in applied mathematics.
• Ability to take ownership of delegated responsibilities.
• Excellent interpersonal and communication skills (written and verbal).
• Positive, proactive mindset with a commitment to quality and best practices.
• Proficiency with libraries such as OREKIT, Stone Soup, and Keras.
Highly Desirable Skills.
• Experience in orbit determination, flight dynamics, tracking, or machine learning.
• Proficiency in Java or Python, with a willingness to expand expertise.
• Experience in algorithm development, particularly considering numerical accuracy.
• Understanding of software development lifecycles (Waterfall/Agile).
Desirable Skills.
• Experience in the space sector.
• Proficiency in C++, FORTRAN, or Julia.
• Familiarity with software development tools, including GIT.
This is an exciting opportunity to work on cutting-edge space technologies within a supportive and innovative team.
If you are passionate about algorithm development and software engineering in the space sector, we’d love to hear from you! #LI-SB2 #LI-UKA Skills.
Software Design Patterns C++ Java Python What you can expect from us.
Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging.
Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life.
That’s why we call ourselves CGI Partners rather than employees.
We benefit from our collective success and actively shape our company’s strategy and direction.
Your work creates value.
You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You’ll shape your career by joining a company built to grow and last.
You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team—one of the largest IT and business consulting services firms in the world.