We are seeking talented programmers with strong computer science, math, and/or physics backgrounds for complex and challenging projects. As a Software Engineer you will be responsible for writing backend infrastructure and frontend web applications for simulation and optimization software that incorporates probabilistic models of physical systems. Project teams range from 2 to 20 people and include a mix of Research Scientists and Software Engineers. Each team member is involved in the entire problem-solving process, from initial concept through data visualization and analysis, algorithm design, exploratory prototyping, software implementation, demonstration, and deployment. Roles within a team are flexible, giving employees space to contribute to their areas of strength, and to develop new skills. The ideal candidate has experience writing well-designed, maintainable, and extensible code. Required Qualifications • Bachelor's degree in Computer Science, Mathematics, Physics, Applied Math, or related field • Java, TypeScript, Python or C++ programming experience • Proficiency in object-oriented programming • Familiarity with full-stack web application development in any frameworks/languages • Ability to communicate design concepts and performance metrics clearly • US CITIZENSHIP REQUIRED; Successful candidates will be subject to a security investigation and must meet eligibility requirements for access to classified information Desired Qualifications • Experience with MongoDB, RabbitMQ, Spring Boot, React, Redux, WebGL and/or OpenGL • Experience writing algorithmic code, including complexity analysis, performance optimization, and multithreading • Math background including Probability/Statistics, Linear Algebra, Multivariate Calculus • Experience designing and implementing user interfaces Position Location: Reston, VA *The selected individual(s) will be required to work from the Reston, VA office however we are flexible with our relocation timelines. ** Expected Start dates for this role are Spring 2027 and later Perks and Benefits • Medical, Dental and Vision Insurance • Accompanying FSA and HSA options • Additional Voluntary Benefits • Paid Time Off • 9 Observed Holidays and 2 Floating Holidays • Paid Parental Leave • Tuition Reimbursement • Relocation Assistance • Professional Development Reimbursement • Annual Salary Reviews • Profit Sharing • 401(k) Traditional and Roth Options • Gym and Fitness Reimbursement • Employee Assistance Program • Employee Referral Program • Military Leave