Senior Full-Stack Engineer - Hybrid, React & AWS Connect

Gainwell Technologies; Rancho Cordova (CA); Hybrid; USD 82,000 - 117,000; Full time

Job summary

Gainwell Technologies is seeking a Senior Full-Stack Developer for a Hybrid role in Gold River, CA. You will build UI features with React, design data models, and create AWS-based integrations to enhance our contact center platform.

You will work on CTR data, agent events, and embedded agent tools, while mentoring teammates and upholding engineering standards. This role emphasizes AWS, CI/CD, and secure APIs in a Well-Architected environment.

Qualifications

• 5+ years of professional software development experience.
• Strong React experience (hooks, state management, component architecture).
• Hands-on experience with Amazon Connect (CTR data, contact flows, CCP customization).
• Strong SQL and relational database fundamentals.
• Experience with event-driven architectures and streaming data (Kinesis, EventBridge).
• Familiarity with IAM, VPC, CloudFormation/SAM, and AWS security best practices.
• Experience with CI/CD pipelines and Git-based workflows.
• Preferred AWS Certifications: Developer Associate, Solutions Architect Associate/Professional.

Responsibilities

• Build advanced UI features using React, including custom CCP extensions and embedded agent tools.
• Design and optimize SQL data models supporting reporting, analytics, and operational workflows.
• Develop integrations using AWS Lambda, API Gateway, Step Functions, EventBridge, and Kinesis.
• Implement data ingestion and transformation patterns for CTRs and agent events.
• Build secure, scalable APIs and microservices aligned with AWS Well‑Architected principles.
• Participate in architectural design sessions for contact center modernization.
• Mentor developers and enforce engineering standards.
• Troubleshoot complex issues across UI, API, AWS services, and data layer.
• Support production troubleshooting across the full AWS stack.

Skills

React

SQL

AWS services

Event-driven architecture

CI/CD

Mentoring

AWS Well-Architected

Tools

Amazon Connect

Kinesis

EventBridge

CloudFormation/SAM

Git

Job description

Gainwell Technologies is seeking a Senior Full-Stack Developer for a Hybrid role in Gold River, CA. You will build UI features with React, design data models, and create AWS-based integrations to enhance our contact center platform.

You will work on CTR data, agent events, and embedded agent tools, while mentoring teammates and upholding engineering standards. This role emphasizes AWS, CI/CD, and secure APIs in a Well-Architected environment.