Marcus Williams headshot

Software Engineer

Marcus Williams

Full-Stack Software Engineer focused on React, Node.js, C#, and distributed systems.

Professional Summary

Full-stack software engineer with 6+ years of experience building enterprise financial and trading applications. Specialized in React, Node.js, C#, and SQL Server with a strong background in microservices architecture, performance optimization, and CI/CD automation.

Technical Skills

Languages

Python, C#, JavaScript, SQL

Frontend

React, HTML, CSS, SCSS

Backend

Node.js, Express, .NET

Databases

SQL Server, MongoDB

Testing

Selenium, Cucumber, TestNG, Jest

DevOps

GitHub Actions, CI/CD Pipelines

Professional Experience

Vertex Incorporated

Software Developer | 2022 - Present

  • Developed full-stack application features using React and Node.js supporting enterprise financial workflows.
  • Refactored legacy .NET components into microservices reducing latency by 25%.
  • Optimized SQL Server queries and MongoDB data models for high-volume financial datasets.
  • Implemented CI/CD pipelines with GitHub Actions reducing release cycles by 40%.

Entech Consulting

Software Engineer | 2019 - 2022

  • Developed multi-tier enterprise applications for Fortune 500 financial clients.
  • Built backend services supporting high-availability financial transaction processing.
  • Produced architecture documentation and testing frameworks.

Shadow Financial Systems

Software Developer | 2018 - 2019

  • Built backend services for securities processing and reconciliation systems.
  • Developed platform features using C# and SQL supporting trading workflows.

Projects

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Contact

Open to full-time software engineering opportunities and consulting engagements.