Software Engineer Senior

Ray Collins

** ******* **. ***** *******, MO ****4 314-***-****

******@**************.*** github.com/globaljavaprogrammer https://www.linkedin.com/in/ray-collins-m-s-147a8541/ Summary

Highly motivated and results-driven Senior Software Engineer with 10+ years of experience delivering high-impact software solutions across diverse industries, including finance, e-commerce, and supply chain management. Proven expertise in full-stack development, cloud architecture, and Agile methodologies. Adept at translating complex business requirements into robust and scalable applications using cutting-edge technologies. Passionate about creating innovative software that drives business growth, enhances user experiences, and contributes to technological advancement. Seeking a challenging role where I can leverage my expertise to contribute to innovative projects and achieve significant business impact. Technical Skills

● Languages: Java, JavaScript, Python, Go, TypeScript, C++, HTML5, CSS3

● Frameworks & Libraries: React, Node.js, Angular, Spring Boot, Express.js, jQuery, AngularJS

● Cloud & DevOps: AWS (EC2, S3, Lambda, VPC, IAM, EKS, ECS), Google Cloud Platform (GCP), Terraform, Docker, Kubernetes, Helm, Bitbucket Pipelines, Jenkins

● Databases: SQL Server, Oracle, MySQL, PostgreSQL, MongoDB

● Tools & Technologies: Keycloak, Jira, Git, Bamboo, Stash, Visual Studio Team Foundation Server, Subversion, JUnit, Mockito, Eclipse, JSON Web Token (JWT), Cloud Computing, Full-Stack Development, Software Project Management, Shell Scripting, Artificial Intelligence (AI), Generative AI Tools, GitHub, Hugging Face, Langchain, OpenAI API, TensorFlow, Keras, PyTorch, Google Model Garden, Amazon Bedrock, Nvidia Nim, N8N, Ollama, Gemini, DeepSeek, Langflow, Linux, ITSM (e.g., ServiceNow, Jira Service Management), ITIL (e.g., Incident Management, Problem Management, Change Management)

Professional Experience

Senior Software Engineer PZ Technologies, LLC Saint Louis, MO May 2014 - Present

● Full-Stack Web Application Development: Led the design and development of sophisticated web applications using modern technologies like React, Node.js, Spring Boot, Angular, and Express.js for clients such as Vantage Links, Clearent by Xplor, Concero Recruitment Company, and Neteffects.

● E-commerce Platform Engineering: Engineered high-performance e-commerce platforms, focusing on seamless user experiences and leveraging Angular and Express.js for clients like Vantage Links, Clearent by Xplor, Concero Recruitment Company, and Neteffects.

● Cloud Infrastructure Architecture & Deployment: Architected and deployed scalable and secure cloud infrastructure on AWS, utilizing Terraform, Docker, and Kubernetes, including building supply chain management systems and other cloud-based solutions for clients like Vantage Links, Clearent by Xplor, Concero Recruitment Company, and Neteffects.

● Microservices Architecture & Migration: Spearheaded the migration of legacy applications to modern microservices architectures on AWS, improving modularity and maintainability for clients such as Vantage Links, Clearent by Xplor, Concero Recruitment Company, and Neteffects.

● Linux System Administration: Managed and maintained Linux servers, including troubleshooting, performance optimization, and security hardening. This involved tasks such as:

Configuring and managing web servers (e.g., Apache, Nginx)

Setting up and managing databases (e.g., MySQL, PostgreSQL) on Linux

Implementing shell scripting for automation and system administration tasks

Troubleshooting system issues and resolving performance bottlenecks

● ITIL & ITSM Implementation: Applied ITIL best practices for incident management, problem management, and change management. This included:

Utilizing ITSM tools (e.g., Jira Service Management) to track and resolve incidents

Performing root cause analysis for recurring problems to prevent future occurrences

Implementing change management procedures to ensure smooth and controlled deployments

● Information Security Management: Served as Information Security Manager, establishing and enforcing robust security protocols to protect sensitive data and systems for PZ Technologies and its clients, including Vantage Links, Clearent by Xplor, Concero Recruitment Company, and Neteffects.

● Team Leadership & Mentorship: Mentored and guided junior developers, providing technical leadership and conducting code reviews.

● Back-End Development: Utilized Java and Groovy for back-end development, specializing in secure and efficient Visa credit card processing for Clearent by Xplor.

● AI/GenAI Development & Integration: Enhanced projects with AI/GenAI capabilities, leveraging deep learning frameworks (TensorFlow, Keras, PyTorch), Python libraries

(Hugging Face, Langchain), and cloud platforms (Google Model Garden, Amazon Bedrock). Developed and deployed AI-powered prototypes, PoCs, and MVPs, addressing complex business challenges. Integrated N8N, Ollama, Gemini, DeepSeek, and Langflow.

● Client-Specific Contributions:

Vantage Links: Implemented APIs using Spring Boot for commercial clients.

Clearent by Xplor: Implemented secure payment processing integrations using Java and Groovy. Front-end development using AngularJS.

Concero Recruitment Company: Implemented APIs for clients using Java. Front-end development with ExtJS.

Neteffects: Developed software for multiple banks in Missouri.

Reinsurance Group of America (RGA): (Feb 2022 - June 2023) Developed and maintained insurance claims software for a reinsurance company, leveraging skills in React, JavaScript, Express.js, Java, and PostgreSQL. This involved:

■ Front-End Development: Building user interfaces and components for claims processing with React and JavaScript.

■ Back-End Development: Developing server-side logic and APIs for claims management using Express.js and Java.

■ Database Management: Working with PostgreSQL databases for storing and retrieving claims data.

Equifax: (Mar 2020 - Mar 2021) As a Senior Software Engineer, developed Java-based software for The Work Number work verification service. This involved:

■ Designing and implementing Java applications for verifying employment and income information.

■ Integrating with various data sources and APIs to access and process employment data.

■ Ensuring data security and compliance with relevant regulations.

Smartmatic: (May 2021 - Feb 2022) As a Senior Software Engineer, contributed to the development and maintenance of voting system software, utilizing skills in React, JavaScript, Express.js, Java, and PostgreSQL. This involved:

■ Developing and updating software components for electronic voting machines and systems.

■ Ensuring the security and integrity of voting data.

■ Working on features related to voter registration, ballot casting, and vote tallying.

Software Engineer Infuse Corp Washington September 2023 - January 2025

● Cloud Infrastructure Engineering & Deployment: Spearheaded the design and deployment of scalable, cost-efficient, and secure cloud infrastructure on AWS, leveraging Terraform and Terragrunt for clients such as Bistrocat, The United States Air Force, ChargeOr, JUUL, and Clover.

● Kubernetes Cluster Management: Engineered and managed Amazon EKS clusters, configuring pods, networking, and database integration.

● Linux System Administration: Proactively managed and maintained Linux-based systems within the AWS cloud environment, ensuring optimal performance and security for client applications.

● ITIL & ITSM Adherence: Followed ITIL best practices for incident management, problem management, and change management, ensuring efficient service delivery and minimizing disruptions to client operations.

● Virtual Private Cloud (VPC) Architecture: Developed and implemented VPCs, including subnet configuration, routing, and security group policies.

● Automation & DevOps: Automated infrastructure and application deployment using Docker Compose, Makefiles, and startup scripts. Set up Bitbucket pipelines.

● Serverless Development: Authored serverless Lambda functions in Go.

● Client-Specific Project Contributions:

Bistrocat: Conducted software testing and orchestrated deployments using AWS CloudFormation.

The United States Air Force: Developed IAC code for AWS cloud application using Terraform. Set up resources including VPC, DynamoDB, RDS, EKS, Fargate, and Cognito. Developed APIs using Go for Intelligent Rosters.

ChargeOr: Performed upgrades, including Dockerizing the application using Node.js, Express.js, and React.

JUUL: Worked on application upgrades using Heroku, React, and Postgres. Updated certificates and Heroku dependencies.

Clover: Worked on updating the Clover credit card system using Java.

● Heroku Management: Managed and maintained Heroku services.

● Cloud Architecture & Design: Led cloud architecture design using AWS and Terraform.

● Software Development: Implemented Docker. Executed updates to Node.js and developed front-end and back-end features.

● AI/ML Development: Utilized TensorFlow, ChatGPT, and DeepSeek. Software Engineer Preferred Resources, Inc. Saint Louis, MO Sep 2015 - Feb 2016

● Led CRM application development for Panera Bread Co. (Canada) using AngularJS, Groovy, Spring MVC, and MongoDB.

● Designed responsive UI using HTML5, CSS3, and JavaScript.

● Optimized Agile workflows using Jira.

● Integrated CI framework using Bamboo and Stash.

Software Engineer Daugherty Business Solutions Saint Louis, MO Jul 2014 - Sep 2015

● Developed financial reporting system for investment bank (Java, Spring MVC, Oracle).

● Engineered software solutions for MasterCard MasterPass (Spring MVC, Java).

● Developed real-time inventory tracking system (AngularJS, Node.js, React).

● Developed predictive analytics platform for Monsanto (AngularJS, Java, Oracle, Teradata).

● Developed RFID tracking application (Java, Angular).

● Developed digital eWallet (Struts, Java, JBoss). Software Engineer NetEffects Saint Louis, MO Jun 2013 - Jul 2014

● Developed core banking application (Java EE, Spring MVC, Struts 1).

● Migrated legacy banking application from Struts 1 to Angular.

● Developed customer onboarding module (JavaScript, jQuery, CSS).

● Produced technical documentation.

● Conducted client demonstrations.

● Developed software for multiple banks in Missouri.

● Converted Struts application to Spring (Java).

Software Engineer NextGen Information Services Saint Louis, MO Jan 2013 - Jun 2013

● Developed claims processing system for General Motors (Java EE, SQL Server 2008).

● Developed dealer management system for ACDelco (Java EE, Visual Studio Team Foundation Server).

● Developed telematics data analysis platform for OnStar (Java EE, WSDL, jQuery).

● Incorporated mathematical models and algorithms.

● Conducted software testing and QA.

Software Engineer Accenture Saint Louis, MO Jan 2012 - Feb 2013

● Contributed to new technology for USPS (J2EE, PL/SQL, Oracle, Spring, Hibernate, XML).

IT Engineer / Auto Assembler Chrysler Corporation Saint Louis, MO Jan 1995 - Dec 2008

● Developed complex JavaScript-based applications with user-friendly UI that greatly enhanced productivity, streamlined workflows, and reduced redundancy.

● Utilized J2EE to enhance a production monitoring system, improving real-time visibility and control over manufacturing processes.

Education

Fontbonne University Bachelor of Science, Computer Science 2009-2011

● Relevant Coursework: Object-Oriented Programming (Java), Advanced Java Programming, Data Structures and Algorithms, Computer Architecture & Assembly Language, Database Management Systems, Operating Systems Principles, Software Engineering, Discrete Mathematics, Calculus I & II, Linear Algebra, Artificial Intelligence University of Maryland, Baltimore (UMB) Master of Science - MS, Medical Cannabis Science and Therapeutics 2020-2022

Tuskegee University Electrical and Electronics Engineering 1992-1993

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