Summary
Overview
Work History
Education
Skills
Timeline
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JOHN STEVE LISCAR JR.

Fortson,GA

Summary

Accomplished Software Engineer and Engineering Manager with 8 years of experience in designing and modernizing customer-facing applications. Leading engineering efforts at a SaaS startup, managing architecture, CI/CD, AWS environments, security, and observability. Skilled in translating product requirements into effective technical solutions and enhancing development processes through Agile methodologies and automated testing.

Overview

9
9
years of professional experience

Work History

Software Engineering Manager

Xperius
12.2024 - Current
  • Led engineering initiatives from conception while remaining hands-on; managed and mentored four contractors and one full-time QA engineer, interviewed technical hires, delegated work, created action items, and reviewed all contractor code.
  • Architect and maintain the majority of the platform's core systems across React frontend, data architecture, AWS services, real-time messaging, security, billing, and AI/MCP capabilities; translating product concepts into technical implementation plans.
  • Manage 40+ AWS Lambda functions across isolated non-production and production environments, along with DynamoDB, CloudFormation, IAM, secrets/configuration, and CloudWatch monitoring and troubleshooting.
  • Own CI/CD and release engineering; wrote Bitbucket deployment pipelines and manage releases to development, staging, and production, with automated tests executed as part of every deployment.
  • Implemented security and reliability patterns including Cognito authentication with email MFA, tenant isolation, role-based permissions, and encryption, alongside managing retries, queue-based workload handling, and Lambda throttling.
  • Designed organization-authenticated MCP tool layer exposing 25+ research and application operations to approved AI clients; built workflows that retrieve organizational context, summarize prior work, identify knowledge gaps, draft changes, and execute actions upon user confirmation.

Lead Software Engineer

ClubReady, LLC
08.2021 - 12.2024
  • Led a full-stack team of 5 engineers using Agile/Scrum while contributing directly to customer-facing web/mobile development with Angular, React, and Ionic.
  • Oversaw development and testing of RESTful APIs and AWS integrations using PHP and CodeIgniter; collaborated with clients, analysts, and internal stakeholders to clarify requirements and deliver tailored solutions.
  • Implemented cross-platform mobile solutions with Ionic Capacitor and React Native, enhancing reporting and user experience across multiple products.

Senior UI Engineer

Horizon Software International
03.2018 - 08.2021
  • Designed and maintained customer-facing Angular/Ionic applications, providing architectural guidance that enhanced collaboration during cross-functional feature development.
  • Led migration of primary application from Angular v4 to v8, enhancing performance and maintainability while deploying shared-codebase mobile applications with Ionic Capacitor.

Education

Certificate - Full Stack Web Development

Georgia Institute of Technology
Atlanta
01-2018

Bachelor of Science - Applied Mathematics

Auburn University
Auburn
01-2014

Skills

  • Full-stack development skills
  • Agile and TDD practices
  • CI/CD pipeline management
  • Cloud infrastructure management
  • Security and reliability practices
  • Software architecture
  • Microservices architecture
  • AI solution design
  • Software development life cycle
  • DevOps practices

Timeline

Software Engineering Manager

Xperius
12.2024 - Current

Lead Software Engineer

ClubReady, LLC
08.2021 - 12.2024

Senior UI Engineer

Horizon Software International
03.2018 - 08.2021

Certificate - Full Stack Web Development

Georgia Institute of Technology

Bachelor of Science - Applied Mathematics

Auburn University