Full-Stack Engineer – Agentic AI AWS (Active TSSCI Clearance)

Location: Chantilly VA (preferred)
Work Type: Onsite / Hybrid
Citizenship: U.S. Citizenship required
Clearance: Active TS/SCI (CI Poly preferred but not required)
Certification: Active Security or equivalent required

Strategic Business Systems (SBS) is expanding our AWS Professional Services team to support a high-priority mission-critical national security program. Were looking for a strong Full-Stack Engineer to help build the human-facing side of an advanced agentic AI platform operating in a secure AWS environment.

This is much more than traditional web development. Youll own the end-to-end user experience for live AI agent execution from the React/ interface through the APIs and streaming event pipelines that support it.

Youll work on challenges such as real-time agent activity durable chat state notifications tool-call visualization artifacts lineage and trace exploration. The environment is highly distributed and stateful so solving problems around latency event ordering reconnection partial state and optimistic updates is a major part of the role.

The AI scientists own the underlying models and evaluations. Your job is to build the production engineering layer that makes those AI capabilities usable observable reliable and secure.

If you enjoy full-stack engineering real-time systems and working directly with emerging AI technologies in a mission environment this is a strong fit.

• Design and build production applications using TypeScript React and
• Own the full vertical stack from React components through APIs and backend services
• Build real-time interfaces using Server-Sent Events (SSE) WebSockets and streaming architectures
• Develop user experiences for live agent execution and AI-driven workflows
• Build and maintain durable chat state and notification architectures
• Develop interfaces for tool calls artifacts lineage and agent execution traces
• Handle complex application behaviors including event ordering reconnection partial state and optimistic updates
• Build and operate backend services and APIs using technologies such as FastAPI and Node
• Diagnose issues across the full application stack using logs traces and telemetry
• Build automated unit and end-to-end testing into the development process
• Work with distributed tracing technologies such as OpenTelemetry
• Use AI coding assistants as part of the daily development workflow while validating generated code through testing and engineering review
• Collaborate with AWS engineers AI specialists and customer stakeholders in a secure mission environment

• 3 years of professional software development experience
• Strong experience with TypeScript
• Experience building production applications using React and/or
• Experience developing backend services and APIs using FastAPI Node or similar technologies
• Ability to troubleshoot issues across the entire application stack

• Experience building real-time or streaming interfaces
• Experience with Server-Sent Events (SSE) WebSockets or equivalent technologies
• Understanding of reconnection event ordering and partial-state challenges
• Experience with client/server state management and optimistic-update patterns

• Experience or exposure to AI/agentic applications
• Familiarity with long-running AI workflows and token-by-token streaming
• Experience or interest in building interfaces for tool calls agent runs traces and artifacts
• Comfortable working with systems utilizing LLMs AWS Bedrock MCP tools and agent-based architectures

• Experience with automated unit and end-to-end testing using technologies such as Jest and Playwright
• Experience diagnosing defects using logs telemetry and traces
• Familiarity with OpenTelemetry or other distributed tracing platforms
• Strong engineering mindset around testing verification and evidence-based troubleshooting

• Active TS/SCI clearance (CI Poly preferred but not required)
• Active Security or equivalent certification
• Comfortable developing applications in secure regulated and classified environments

• Bachelors degree in Computer Science or equivalent practical experience
• Experience building interfaces for AI agentic or other streaming distributed systems
• Experience using AI coding assistants as part of a professional development workflow

SBS is a trusted AWS partner supporting both federal and commercial customers. Our teams focus on deliverybuilding and operating secure scalable solutions that matter.

Youll be part of a team that:

• Works directly with AWS on meaningful mission-driven programs
• Operates in high-impact national security environments
• Builds next-generation AI and cloud capabilities
• Works with modern technologies across AWS agentic AI full-stack development and distributed systems
• Values engineers who can execute troubleshoot and deliver

SBS is a trusted AWS partner supporting both federal and commercial customers. Our teams focus on deliverybuilding and operating secure scalable solutions that matter.

Youll be part of a team that:

• Works directly with AWS on meaningful mission-driven programs
• Operates in high-impact national security environments
• Builds and operates modernAWS and Agentic platforms
• Works acrosscloud infrastructure DevOps SRE GitOps and AI
• Values engineers who can build automate troubleshoot and deliver

COMPENSATION & BENEFITS

SBS offers a comprehensive total-rewards package including a market competitive salary along with:

• Comprehensive medical dental and vision coverage; HSA-eligible plan options available

• 401(k) retirement plan with company match (vesting schedule per Plan Document)

• Paid Time Off federal holidays and floating holiday for personal observance

• Annual professional development support for AWS certifications training and conferences

• Employee referral program where applicable and documented by program policy

• Life AD&D and short- / long-term disability insurance

• Telework and flexible-schedule support where mission and contract permit

• Mission-focused federal contractor supporting national-security customers

Target Salary Range: $00.This range reflects the anticipated compensation for this role. Actual salary will be based on a combination of factors including the positions scope and level of responsibility the candidates relevant experience education technical expertise skills and qualifications geographic location and applicable business or contractual requirements.

About SBS
Strategic Business Systems Inc. (SBS)is a national Information Technology services company headquartered in the Washington D.C. metropolitan area. SBS provides IT infrastructure design integration and operational services. Our expertise spans the full spectrum of infrastructure technologies including networking servers data storage disaster recovery cybersecurity and internet technologies.

Equal Employment Opportunity
SBS is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to age gender gender identity sex sexual orientation color race creed national origin religion marital status parental status citizenship status ancestry physical or mental disability genetic information veteran status military status or any other classification protected by federal state or local laws.

Accommodations
If you need an accommodation while seeking employment with SBS please email. Accommodations are made on a case-by-case basis.

No Unsolicited Agency Referrals
SBS does not accept unsolicited resumes from staffing agencies. Any resumes submitted without a prior agreement will be considered the property of SBS.