Full Stack Developer, Senior

Booz Allen Hamilton; Lexington (MA); On-site; USD 119,000 - 198,000; Full time

Benefits offered by this job

Health benefits

Life insurance

Disability benefits

Retirement benefits

Paid leave

Tuition assistance

Work‑life programs

Dependent care

Job summary

Booz Allen Hamilton seeks a Senior Full Stack Developer to build Unity-based simulations and immersive experiences for strategic defense applications. You will work across teams to turn vision into production-ready software, integrating geospatial data and crafting robust UI/UX for complex environments.

The role requires 5+ years of full-stack experience, 2+ years with Unity, and a Secret clearance. Collaboration with a cross-functional, agile team is essential as you contribute to high-impact

Qualifications

• 5+ years of full-stack development experience.
• 2+ years using Unity for simulations.
• Experience with Agile sprint planning and code reviews.
• Ability to solve complex problems within cross-functional teams.
• Knowledge of object-oriented programming and UI/UX integration.
• Secret clearance and Bachelor's degree required.

Responsibilities

• Develop Unity-based simulations for warfighter decision-support.
• Integrate geospatial datasets into 3D immersive experiences.
• Collaborate with cross-functional teams to deliver production-ready software.

Skills

Full-stack development

Unity simulations

Agile practices

Cross-functional collaboration

Object-oriented programming

UI/UX principles

Education

Bachelor's degree

Secret clearance

Tools

Unity

Job description

Full Stack Developer, Senior The Opportunity

As a full stack developer, you can build and enhance virtual and augmented reality immersive applications. If you’re looking for the chance to not just develop software, but to create an application that will make a difference, we need you on our team. We’re looking for an experienced developer like you with the skills needed to develop software from vision to production-ready. This role is more than just coding. As a full stack developer at Booz Allen, you’ll develop and maintain Unity-based applications supporting simulation and warfighter decision-support capabilities for complex infrastructure and operational environments.

You’ll integrate geospatial datasets into interactive 3D and immersive experiences that support planning and analysis workflows. You’ll make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Join us. The world can’t wait.

You Have:

• 5+ years of experience in full-stack development using modern frameworks
• 2+ years of experience with using Unity for simulations
• Experience with Agile sprint planning, backlog refinement, peer code reviews, unit testing, and user‑focused design discussions
• Experience in creating solutions to complex problems within a collaborative, cross‑functional team
• Knowledge of object‑oriented programming
• Knowledge of UI/UX principles, interaction design, and integrating UI assets into prototype applications
• Secret clearance Bachelor's degree

Nice If You Have:

• Experience acquiring client requirements and resolving workflow problems through automation optimization
• Experience working on immersive or extended reality applications
• Knowledge of real‑time or low‑latency application development
• Possession of strong analytical thinking skills
• Ability to work with automated testing tools to perform testing and maintenance
• Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well‑being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work‑life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values.

• health
• life
• disability
• financial
• retirement benefits
• paid leave
• professional development
• tuition assistance
• work‑life programs
• dependent care

Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract‑specific affordability and organizational requirements. The projected compensation range for this position is $86,900.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in‑person or virtual) is prohibited unless permission is explicitly provided.

Work Model

Our people‑first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non‑Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

About Booz Allen Hamilton

Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We build technology solutions using AI, cyber, and other cutting‑edge technologies to advance and protect the nation and its citizens. By focusing on outcomes, we enable our people, clients, and their missions to succeed—accelerating the nation to realize our purpose: Empower People to Change the World®.

Know Your Rights Poster

Accommodations If you are an individual with a disability and would like to request a reasonable workplace accommodation for any part of our employment process, please contact the Booz Allen Help Desk by calling 1-877-927-8278 or sending an email to [e-mail]. This option is reserved only for individuals who are requesting a reasonable workplace accommodation. It is not intended for other purposes or inquiries.

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