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Senior C# Developer

Capgemini

Capgemini

United States
Posted on Nov 25, 2025

About the job you’re considering

The Software Engineer Level V is the highest level of technical expertise within the engineering team, responsible for leading the most critical and strategic projects for Mobius Autonomous Software. This role involves providing visionary leadership, driving innovation, and setting the technical direction for the team. The engineer will be instrumental in shaping the future of our autonomous software solutions and mentoring the entire engineering team.

Your role

  • Architect, design, and implement groundbreaking features and enhancements for Mobius Autonomous Software at the highest level of complexity.
  • Develop and maintain exceptional quality, efficient, and scalable code in C#, setting the standard for best practices and industry benchmarks.
  • Lead and oversee the entire software development lifecycle for the most critical and complex projects, including advanced requirements analysis, system architecture design, detailed coding, rigorous testing, and successful deployment.
  • Conduct comprehensive testing and debugging to ensure software meets the highest standards of functionality, performance, and reliability.
  • Collaborate with cross-functional teams and multiple stakeholders, including product managers, stakeholders, and other principal engineers, to translate visionary business requirements into technical specifications and robust solutions.
  • Provide mentorship and technical leadership to the entire engineering team, fostering a culture of excellence, innovation, and high performance.
  • Stay at the cutting edge of emerging technologies, industry trends, and best practices to drive continuous improvement and groundbreaking innovation within the team and the product.
  • Lead and champion code reviews, ensuring adherence to the highest coding standards and promoting best practices across the entire engineering team.
  • Play a key role in strategic planning and decision-making processes, providing visionary technical insights and direction.

Your skills and experience

  • Bachelor’s, Master’s, or Ph.D. degree in Computer Science, Software Engineering, or a related field.
  • 15+ years of experience in software development, with extensive experience in senior or principal roles.
  • Mastery of C#, with a proven track record of architecting, developing, and maintaining highly complex and innovative software applications.
  • Extensive experience with software development methodologies, such as Agile or Scrum.
  • Deep understanding of software design principles, algorithms, and data structures.
  • Exceptional problem-solving skills and the ability to work independently and as part of a collaborative team.
  • Excellent communication skills, with the ability to articulate complex ideas and collaborate effectively with team members and stakeholders.
  • Proven ability to lead and manage multiple high-impact projects simultaneously.

Life at Capgemini

Capgemini supports all aspects of your well-being throughout the changing stages of your life and career. For eligible employees, we offer:

  • Flexible work
  • Healthcare including dental, vision, mental health, and well-being programs
  • Financial well-being programs such as 401(k) and Employee Share Ownership Plan
  • Paid time off and paid holidays
  • Paid parental leave
  • Family building benefits like adoption assistance, surrogacy, and cryopreservation
  • Social well-being benefits like subsidized back-up child/elder care and tutoring
  • Mentoring, coaching and learning programs
  • Employee Resource Groups
  • Disaster Relief

About Capgemini Engineering

World leader in engineering and R&D services, Capgemini Engineering combines its broad industry knowledge and cutting-edge technologies in digital and software to support the convergence of the physical and digital worlds. Coupled with the capabilities of the rest of the Group, it helps clients to accelerate their journey towards Intelligent Industry. Capgemini Engineering has 65,000 engineer and scientist team members in over 30 countries across sectors including Aeronautics, Space, Defense, Naval, Automotive, Rail, Infrastructure & Transportation, Energy, Utilities &Chemicals, Life Sciences, Communications, Semiconductor & Electronics, Industrial & Consumer, Software & Internet.

Capgemini Engineering is an integral part of the Capgemini Group, a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2024 global revenues of €22.1 billion.

Get the future you want | www.capgemini.com

Disclaimer

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship.

Capgemini is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Applicants for employment in the US must have valid work authorization that does not now and/or will not in the future require sponsorship of a visa for employment authorization in the US by Capgemini.