Full Stack Engineer

Posted at: 05/20/2026

Seattle, WA

Hybrid  -  IT - ERP / CRM  -  Contract  -  Job ID: 26-156898

Senior Full Stack Engineer 

Hours: 8AM – 5PM

ONSITE: Monday through Thursday (ON SITE Required) with Remote Friday

Start Date: 6/22/2026

End Date: 12/31/2026

Full stack: Front End 40% and 60% Backend

We are looking for a highly skilled Senior Full Stack Engineer to design, develop, and deliver scalable, secure, and high-performing web applications. The ideal candidate has strong expertise across front-end and back-end technologies, enjoys end-to-end ownership, and thrives in collaborative, fast-paced environments.

Key Responsibilities

  • Design, develop, and maintain end-to-end web applications using modern front-end and back-end technologies
  • Build scalable, reusable UI components using React
  • Develop robust backend services and APIs using Java, Node.js, or similar technologies
  • Design and integrate RESTful APIs and backend services
  • Work closely with product managers, UX designers, and translate requirements into technical solutions
  • Ensure application performance, security, scalability, and reliability
  • Participate in architecture and design discussions; contribute to technical decisions
  • Write clean, maintainable, well-tested code following best practices
  • Review code, mentor junior engineers, and uphold engineering standards
  • Support production releases, troubleshooting, and on-call rotations as needed

Skills:

  • 5- 8 years of experience in full-stack software development
  • Strong experience with React, JavaScript (ES6+), HTML, CSS
  • Backend experience with Java (Spring Boot) or Node.js
  • Strong understanding of REST APIs, microservices, and distributed systems
  • Experience working with relational and/or NoSQL databases (PostgreSQL, DynamoDB, etc.)
  • Familiarity with authentication, authorization, and security best practices
  • Experience with Git, CI/CD pipelines, and automated testing
  • Solid understanding of cloud-native application development

Preferred Qualifications

  • Experience with TypeScript
  • Exposure to Next.js or modern frontend frameworks
  • Experience with AWS (EC2, ECS/EKS, Lambda, RDS, DynamoDB, S3)
  • Familiarity with containerization (Docker, Kubernetes)
  • Experience with event-driven architectures (Kafka, SNS/SQS)
  • Background in retail, POS, or enterprise systems

Soft Skills

  • Strong ownership mindset and accountability
  • Excellent communication and collaboration skills
  • Ability to balance speed with quality
  • Experience working in agile / Scrum environments
  • Passion for learning and improving engineering practices

Education: Bachelors or equivalent experience

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About INSPYR Solutions
Technology is our focus and quality is our commitment. As a national expert in delivering flexible technology and talent solutions, we strategically align industry and technical expertise with our clients' business objectives and cultural needs. Our solutions are tailored to each client and include a wide variety of professional services, project, and talent solutions. By always striving for excellence and focusing on the human aspect of our business, we work seamlessly with our talent and clients to match the right solutions to the right opportunities. Learn more about us at inspyrsolutions.com.

INSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, INSPYR Solutions complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

Information collected and processed through your application with INSPYR Solutions (including any job applications you choose to submit) is subject to INSPYR Solutions’ Privacy Policy and INSPYR Solutions’ AI and Automated Employment Decision Tool Policy: https://www.inspyrsolutions.com/policies/. By submitting an application, you are consenting to being contacted by INSPYR Solutions through phone, email, or text.

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