Join our dynamic and innovative team at ThayerMahan, a world leader in autonomous maritime surveillance and monitoring. Headquartered in Groton, CT, we are a fast-growing, mission-focused, innovative technology company in the Intelligence, Surveillance, and Reconnaissance (ISR) and Artificial Intelligence (AI) space. At ThayerMahan we pride ourselves on fostering a culture of excellence, collaboration, and continuous growth. Position Summary: ThayerMahan is seeking a skilled Senior Full Stack Software Engineer to join our team. In this role, you will be responsible for designing, creating, and supporting cloud-based software solutions. Your primary tasks will include writing and reviewing code, producing and maintaining accurate documentation, and developing new software designs. Role and Responsibilities: Create and maintain software solutions by writing and reviewing code, creating and maintaining documentation, and developing and reviewing design proposals. The Senior Full Stack Software Engineer will: Work on incompletely specified tasks, fluidly communicating what the specifications should be, or what the solution space (range of options) is. "Jump in the deep end" and figure things out, with little or no up-front explanations. Fluidly consider both short- and long-term plans, selecting "minimum viable" short term options that elegantly build toward long-term goals. Senior Software Engineers have greater individual productivity when working on well-specified tasks that are also sufficiently specified for a (non-senior) software engineer. Our ideal candidate must have strong communication skills, for socializing plans and potential options and working toward well-specified product behaviors. Location: Full-time on-site or hybrid schedule to Groton, CT Qualifications and Educational Requirements: Required Qualifications: Must be a U.S. Citizen (due to access to Controlled Unclassified Information). Typical Qualifications: Bachelor's degree in a relevant field. Relevant industry experience (including internships). Ability to obtain a DoD security clearance. Required Skills: Exploring code repositories to understand existing implementations. Updating code to fix defects or add new capabilities. Updating documentation for users and maintainers. Creating automated tests. Learning and adapting to new technologies. Clear and efficient communication. Preferred Skills: Proficiency with JavaScript, TypeScript and Angular. Experience with Python. Experience with Git. Experience with Bash and Linux. Experience with HTTP APIs. Experience with data visualization tools. Experience with AWS. Physical Requirements/Working Conditions: Ability to travel to Groton HQ to support on-site development and on short notice. Hybrid work is available with anywhere from zero to 3 days per week in Groton HQ as needed after an initial period. Travel Requirements: Travel to Groton HQ for meetings/on-site development. Occasional travel for at-sea support or major client milestones (Less than 4%). What we Offer: Competitive salary, comprehensive total rewards package (medical, dental, vision, 401K with employer match), and other great benefits. Opportunity to continue to develop your career at a growing organization. This is an exempt position. At ThayerMahan, we are committed to fostering a diverse, equitable, and inclusive environment where every individual feels valued, respected, and supported. We believe that diversity in backgrounds, perspectives, and experiences enriches our work and drives innovation. ThayerMahan is an equal opportunity employer and welcomes applications from individuals of all backgrounds. We encourage candidates from underrepresented groups to apply and join us in our commitment to diversity, equity, and inclusion. If you meet the requirements and are ready to make waves with us, apply now Due to our contracts with the US Government, US Citizenship is a requirement ThayerMahan is an Equal Opportunity Employer and doesn't discriminate on the basis of race, color, sex, national origin, sexual orientation, gender identity, religion, age, disability, genetic information, protected veteran status, or other non-merit factor.