AWS Senior Software Developer (Active TS/SCI Preferred)

SBS • Chantilly, VA

5d • Hybrid

About The Position

SBS is growing its AWS Professional Services delivery team and is hiring experienced senior software developers. You will design and deliver scalable, secure, cloud-native applications for federal customers, collaborating directly with AWS architects on mission-critical solutions. An active TS/SCI clearance is preferred. U.S. citizen candidates without a current clearance may be considered for unclassified delivery work where contract requirements permit.

Requirements

• U.S. Citizenship.
• Five (5) or more years of professional software engineering experience building and maintaining enterprise-scale applications.
• Proficiency in at least one modern language: Java, Python, C#, or JavaScript / TypeScript.
• Demonstrated experience with cloud-based or distributed systems.
• Strong knowledge of software-engineering best practices: version control, automated testing, continuous integration.
• Bachelor's degree in Computer Science, Engineering, or a related field — or equivalent professional experience.
• Clear written and verbal communication skills for technical documentation, stakeholder coordination, and customer-facing delivery.

Nice To Haves

• Active Top Secret / SCI clearance.
• Hands-on AWS experience or strong experience with another major public cloud (Azure, GCP).
• DevOps and automated-deployment experience (CI/CD pipelines, IaC).
• Federal or defense-customer delivery experience.
• Modern architecture experience: microservices, event-driven systems, serverless.
• Agile / Scrum delivery experience.
• AWS Certified Developer — Associate
• AWS Certified Solutions Architect — Associate or Professional
• Certified Scrum Developer or equivalent

Responsibilities

• Design, develop, test, and maintain scalable and secure software applications on AWS.
• Participate in the full software development lifecycle: requirements, design, coding, testing, deployment, and sustainment.
• Collaborate cross-functionally with AWS architects, customer leads, and other vendor teams to deliver customer-aligned solutions.
• Modernize legacy systems by rearchitecting them as cloud-native, microservice-based applications.
• Implement code-quality, performance, and security best practices including peer review, static analysis, and threat modeling.
• Integrate services and data flows across distributed systems.
• Diagnose and resolve technical issues across development and production environments.
• Contribute to technical documentation and architecture decision records.
• Operate within Agile / Scrum or other iterative development frameworks.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior