Principal Full Stack Engineer

SHIRO BPO Service

Washington, DC$85 /hrPosted April 15, 2026
ContractOn-siteSeniorC2CCorp-to-Corp

Required Skills

Full Stack Development Java + PythonAPI Development ArchitectureFront-End DevelopmentAWS Cloud Engineering

Work Authorization

US CitizenGreen Card

Summary

  • Randstad is seeking a Principal Full Stack Engineer to join a high-performing IT Application Solutions team. This role will act as a technical leader and architect, driving the design and development of enterprise-grade API platforms and scalable web applications within a SAFe Agile environment. The ideal candidate brings deep expertise in Java, Python, AWS cloud services, and modern front-end technologies, along with a strong background in DevOps and system architecture.
  • Key Responsibilities
  • Lead the architecture and design of scalable API platforms and enterprise web applications
  • Develop and maintain full stack solutions using Java (J2EE) and Python
  • Build modern, responsive UI applications using Angular and IONIC

Design and implement AWS-based cloud solutions, including

  • Lambda, ECS Fargate, Step Functions, DynamoDB
  • API Gateway, S3, EC2, Kinesis Streams
  • Develop and manage REST and SOAP APIs for enterprise integrations
  • Participate in SAFe Agile ceremonies (PI Planning, Iteration Reviews, Sprint Planning)
  • Implement Infrastructure as Code (IaC) using Docker and CloudFormation
  • Drive CI/CD and DevOps best practices for automated deployments
  • Provide technical mentorship and leadership to development teams
  • Ensure adherence to SDLC best practices and enterprise architecture standards

Requirements

  • 10+ years of experience in full stack development and system architecture
  • Strong expertise in Java (J2EE: Hibernate, Servlets, JMS, JDBC) and Python
  • Proven experience building REST and SOAP-based web services
  • Hands-on experience with AWS services (Lambda, ECS, S3, API Gateway, EC2, DynamoDB, Kinesis)

Experience with Angular and IONIC frameworks

  • Strong knowledge of Docker and CloudFormation (IaC)

Experience working in a SAFe (Scaled Agile Framework) environment

  • Strong understanding of concurrent programming and scalable system design
  • Excellent communication and leadership skills
  • Ability to work in a hybrid environment (Washington, DC)

Nice to Have

Experience with API Gateway / API Management platforms

  • Prior experience in enterprise-scale API platform development
  • SAFe certification or formal Agile training

Work Authorization

Visa sponsorship may be considered on a case-by-case basis in accordance with applicable laws