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Senior Full Stack Engineer

Company:
USM
Location:
Reston, VA
Posted:
March 29, 2026
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Description:

Start Date: Interview Types

Skills Full Stack Python AW.. Visa Types Green Card, US Citiz..

Job title: Senior Full Stack Engineer

Client: Fannie Mae

Location: Reston VA - In person interviews so need Local In EAST coast only

Rate: $85/hr on C2C

2 Year Project

Job Description

Senior Full Stack Engineer (Python AWS Scalable Systems)- LLM needed as well

We are seeking a Senior Full Stack Engineer to support the design, development, and scaling of cloud-native applications. The role involves working across the stack using Python and modern frontend frameworks, with a strong focus on building robust APIs and distributed systems on AWS (Lambda, ECS, RDS, etc.).

The ideal candidate should have demonstrated experience in owning end-to-end development, delivering production-grade solutions, and contributing to system architecture, performance optimization, and reliability. The engineer will collaborate with cross-functional teams to ensure high-quality, scalable, and maintainable implementations.

We are looking for candidates with a strong foundation in clean code practices, scalable system design, and cloud-native development, along with experience working with LLM models and integrating AI-driven capabilities into applications.

Skills:

• Proven experience developing and deploying production-grade application

• Experience working with LLM models and integrating AI-driven capabilities into application

• Strong proficiency in Python and backend frameworks such as FastAPI, Flask

• Experience building full-stack applications using modern frontend frameworks (e.g., React, Angular, or Vue.js)

• Solid understanding of RESTful APIs, microservices architecture, and distributed system

• Hands-on experience with databases (SQL and NoSQL) such as PostgreSQL, DynamoDB

• Strong experience with AWS services, including EC2, ECS, Lambda, RDS, S3, API Gateway, DynamoDB, ALB, Batch, and EFS

• Experience with cloud-native architectures, containerization (Docker), and orchestration (Kubernetes)

• Experience with CI/CD pipelines, Git, and platforms such as GitLab

• Proficiency in Software Development Lifecycle (SDLC) best practice

• Experience with infrastructure as code using tools like Terraform

• Strong understanding of software design principles, data structures, and algorithm

• Experience with automated testing, including unit and integration testing, and maintaining high code quality through code review

• Ability to design and optimize systems for performance, scalability, and reliability

• Experience processing large-scale data in formats such as JSON, XML, and Parquet

• Experience using AI-assisted coding tools (e.g., GitHub Copilot or similar)

• Strong problem-solving skills and ability to work in an agile, collaborative environment

Education/Work Experience:

• Bachelor degree in Computer Science, Information Systems or related field

• Professional certification(s) desired 10+ years software development experience across the appropriate platform

• Solid IT background and experience.

• Experience as a Senior Developer for projects similar in scope and responsibility

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