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Han Staffing Logo
Sr. Full Stack Software Engineer

Han Staffing

 

Jersey City, NJ, USA

Posted On: 10 days ago
Experience: 8+ years
Availability: Hybrid
Openings: 1
Category: Full Stack Software Engineer
Tenure: No Preference/Any
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Description

You will own the design, development, and operation of production-grade full-stack systems, leading technical decisions and architecture.

This role is on-site.

Responsibilities

  • Lead technical design and implementation of scalable web applications using React and Java Spring Boot.
  • Build and optimize APIs using GraphQL (schema design, federation, N+1 mitigation) and REST (OpenAPI contracts, idempotency).
  • Implement secure authentication and authorization flows using OIDC/OAuth2, JWTs, and least-privilege access controls.
  • Deploy and operate cloud-native applications on AWS, managing IAM, networking, and operational observability.
  • Drive performance optimization across the stack, including frontend component design and backend query efficiency.

Required Skills

  • 8+ years of applied full-stack engineering experience delivering and operating production systems.
  • Strong expertise in React, TypeScript, modern state management, and responsive UI development.
  • Proficiency in Java Spring Boot, including dependency injection, validation, and performance tuning.
  • Hands-on AWS experience: designing, deploying, and operating cloud-native applications.
  • GraphQL proficiency: schema design, resolvers, federation/composition, and query performance optimization.
  • REST API design: OpenAPI contracts, pagination, filtering, and backward compatibility.
  • Experience with OIDC/OAuth2 implementation, JWTs, and secure session patterns.

Preferred Skills

  • Experience with Kafka and event-driven system architectures.
  • Familiarity with Amazon Neptune for data layer modeling.
  • Experience using GitHub Copilot for development acceleration.

Education

Any Graduate

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