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L5 Senior Fullstack Engineer

GreyStar Systems LLCUnited States🇺🇸United StatesPosted Sep 28, 2026

Quick Overview

Seniority
Mid Senior
Work mode
Remote
Location
United States
Posted
4 days ago
DockerMicroservicesSpringSpring BootC#C++JavaKubernetesPython

Job Description

Title:  L5 Senior Fullstack Engineer

Contract: Ongoing contract

Location: Remote

 

Description:-

Work is primarily backend-focused and may include backend services, APIs, microservices, features/components, production support, and systems tied to revenue or supply chain.

Environment is high-performance and relationship-focused; engineers need to communicate well with both technical and business stakeholders.

Talent coming from companies such as Meta, Amazon, and Google has helped raise the performance bar.


Must Haves

  • Bachelor’s in computer science or related field.
  • Strong backend engineering experience.
  • API/service development experience.
  • Strong communication and ability to articulate ideas.
  • Ability to clearly explain personal ownership, technical decisions, and measurable impact.
  • Curiosity around AI-assisted development.
  • Several strong project/experience stories they can defend in depth.

 

Strong Nice-to-Haves

  • Java / Spring Boot, C++, C#, Python, or Node.
  • Microservices.
  • DevOps / CI/CD.
  • Kubernetes / Docker.
  • Enterprise/business-facing systems experience.
  • AI-assisted development experience.
  • Longer-term employment history demonstrating commitment.

 

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