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Senior Software Engineer
Job in
Chantilly, Fairfax County, Virginia, 22021, USA
Listed on 2026-01-11
Listing for:
The Josef Group
Full Time
position Listed on 2026-01-11
Job specializations:
-
Software Development
Cloud Engineer - Software, DevOps
Job Description & How to Apply Below
Senior Software Engineer (Python / AWS / Terraform)
Location: Onsite – Chantilly, VA
Clearance: TS/SCI and Poly Required
Compensation: $250,000–$260,000 base salary
We are seeking a Senior Software Engineer to design, build, and operate highly scalable cloud-native systems supporting mission‑critical national security programs. This role is ideal for an experienced engineer who thrives in hands‑on development, infrastructure automation, and modern AWS‑based architectures.
You will work onsite in Chantilly, VA alongside a highly technical team delivering secure, resilient, and high‑performance solutions in a classified environment.
Key Responsibilities- Design, develop, and maintain production‑grade Python services supporting backend systems and APIs
- Architect and deploy AWS‑based cloud solutions
, leveraging serverless and managed services - Build and maintain Infrastructure as Code (IaC) using Terraform across multiple environments
- Develop and integrate RESTful APIs and event‑driven architectures
- Implement cloud‑native patterns for scalability, availability, observability, and fault tolerance
- Collaborate with cross‑functional engineering teams to deliver secure, reliable solutions
- Support CI/CD pipelines and automate deployment workflows
- Troubleshoot, optimize, and enhance system performance in Linux‑based environments
- 13+ years of professional software engineering experience
- Bachelor’s degree in Computer Science, Engineering, or a related technical field
- Expert‑level Python experience (this is the core language for the role)
- Strong hands‑on experience with AWS
, including services such as:- Lambda, EC2, S3, DynamoDB
- Event Bridge, Step Functions
- IAM, Organizations, Cloud Watch
- Strong Terraform experience managing complex, production AWS infrastructure
- Experience building and consuming HTTP REST APIs
- Strong Linux/UNIX experience
- Experience with containers and Docker
- Familiarity with distributed systems, cloud networking, and security best practices
- Serverless architecture experience at scale
- Experience working in classified or regulated environments
- Exposure to global scaling, load balancing, and high‑availability architectures
- CI/CD tooling experience (e.g., Jenkins, Git Lab CI, ArgoCD)
Position Requirements
10+ Years
work experience
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