Python Developer

Unisys
Reston, VA

  • 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 applications.
  • Experience working with LLM models and integrating AI-driven capabilities into applications.
  • 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 systems.
  • 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 practices.
  • Experience with infrastructure as code using tools like Terraform.
  • Strong understanding of software design principles, data structures, and algorithms.
  • Experience with automated testing, including unit and integration testing, and maintaining high code quality through code reviews.
  • 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’s 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.


#LI-CGTS

#TS-3142

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