Simulation Software Engineer (Experienced or Senior level)

Responsibilities

• Own, modify, and extend a large C++ code base: design, implement, review, and ship high-quality code.
• Work across the full development lifecycle, including feature development, bug fixes, refactors, performance tuning, and maintenance.
• Build and improve automated build systems and CI/CD pipelines to increase build reliability and developer productivity.
• Develop and maintain cross‑platform tooling for code generation, packaging, and deployment.
• Troubleshoot build failures, reduce build times, and ensure reproducible builds across platforms.
• Collaborate with product, QA, and DevOps teams to define requirements and deliverables.
• Mentor junior engineers and contribute to engineering best practices and coding standards.
• Support platform‑specific development for Windows, Linux, and iOS, and integration work.

Qualifications

• Bachelor of Science degree or higher in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science.
• Strong proficiency in modern C++.
• Experience with iOS/macOS development.
• Knowledge of packaging and deployment for mobile platforms (IPA creation, code signing).
• Experience with unit testing frameworks and test automation.
• Knowledge of native application security for desktop and mobile applications.
• Knowledge of build caching and distributed build systems.
• Background in performance optimization, memory management, and multithreaded programming.
• Proven experience working directly in and modifying a large, existing code base.
• Proven experience handling multiple toolchains for cross‑platform development.
• Hands‑on experience with automated build and CI systems.
• Strong debugging skills with experience using debuggers and profiling tools.
• Familiarity with source control workflows and branching strategies.
• Excellent communication skills and ability to work effectively on a cross‑functional team.
• 5+ years of applicable experience (Level3 – Experienced) and 7+ years (Level4 – Senior).

Benefits & Compensation

• Competitive salary and annual incentive plans.
• Continuous learning and development programs.
• Flexible work arrangements and tools to make a meaningful impact.
• Inclusive culture and a focus on well‑being.
• Parental leave options – 23 days plus UK public holidays and a winter break.
• Pension plan with up to 10% employer contribution.
• Company‑paid BUPA medical plan.
• Short‑term sickness: 100% pay for the first 26 weeks.
• Long‑term sickness: 66.67% of annual salary from week27.
• Life insurance: 6× annual salary.

Location &ally hired position in Crawley, United Kingdom – 100% onsite.

EEO & Diversity Statement

Boeing is an equal‑opportunity employer. We are committed to protecting, connecting, and exploring our world and beyond in a safe and sustainable way. From the seabed to outer space, you can contribute to work that matters with a company where diversity, equity, and inclusion are shared values. We foster an environment that’s welcoming, respectful, and inclusive of every teammate, with great opportunities for professional growth.

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