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David R. Bixler

David R. Bixler

Technical Architect and Senior Developer

18159 Heron Walk Drive, Tampa, Florida, US, 33647
(813) 600-8949
English

Background


About

About

Highly experienced Technical Architect and Senior Developer with 36+ years of expertise in software engineering. Proven success with Java/J2EE, Salesforce, and modern architectural patterns. On past projects and reviews, teamwork, leadership, communication, and morale were valued by team members, senior management, and customers alike.

Work Experience

Work Experience

  • Chief Architect and Distinguished Engineer

    Sep, 2023 - May, 20248 months

    • Completed all requirements related to the healthcare industry. Understanding of PHI, PII, and GDPR.

    • Code review of the existing application to create a technical debt document and a plan to address these deficiencies.

    • Introduced LLMs to developers to help write unit tests as well as code recommendations (Codepilot, ChatGPT, and Gemini).

    • Analyzed and refactored the entire application infrastructure using Terraform.

    • Introduced Localstack to reduce costs, simplify developer testing, and decrease TTL to production.

    • Leveraged LLMs to rapidly build architecture diagrams where appropriate.

  • Architect

    Jun, 2023 - Sep, 20233 months

    • Designed a system capable of streaming the location of every vessel in the world in near real-time.

    • Demonstrated use of KSQL to stream events of interest such as threats and compliancy violations.

    • Data used to create violation documents to the International Maritime Organization (IMO).

    • Created prototypes of main system components.

  • Principal Architect

    Jan, 2020 - Oct, 20222 years 8 months

    • Technologies: Java, Spring Boot, AOP, Microservices (RESTful), gRPC, JPA/Hibernate, JUnit, SQL (PostgreSQL), NoSQL, Confluent Kafka, Docker, Agile, Jenkins CI/CD, Spinnaker, Bitbucket, JIRA, Confluence, Design Patterns, Domain Driven Design, Apex.

    • Influenced Architecture and Kafka Streaming Guilds evangelizing new architecture to teams, improving productivity by reducing commonly used and redundant code.

    • Embedded with Agile Teams as Principal Architect to support developers, increase efficiency, decreasing time to delivery by over 10%.

    • Implemented highly scalable Event Driven and streaming based solution using the CQRS Design Pattern allowing scalability to over 1,000,000 shipments per day.

    • Architected and developed common, reusable, service framework using Spring Boot, decreasing time to ramp up new microservices by at least 25% and increasing productivity across all teams.

  • Principal Architect & Developer

    Aug, 2013 - Jan, 20206 years 5 months

    • Senior Technical Salesforce Architect and Lead Developer of the Kuebix Application Suite.

    • Led team of developers updating Kuebix Application Suite reducing time to go-live, increasing unit test code coverage to nearly 100%.

    • Created Java/Spring Boot REST API exposing Salesforce-based Suite as a Web Application expanding customer base by over 20,000 customers.

    • Introduced key tools such as JIRA, Confluence, Bitbucket, and Jenkins increasing company visibility through every phase of product lifecycle to nearly 100% of the company.

    • Gathered and groomed requirements from stakeholders creating user stories as part of the Agile Process giving 100% traceability from conception to production.

    • Installed/managed Mattermost for company-wide messaging, facilitating increased communication across entire company, decreasing resolution time of customer reported issues by over 15%.

    • Directed offshore team developing Java based Web Services providing rate quotes from carriers. This reduced development cost by over 30%, rapidly integrating new carriers.

    • Awarded prestigious Gartner Group's 'Magic Quadrant' increasing visibility to tens of thousands of new customers.

    • Mentored junior interns that became integral in development of the application facilitating faster time to go-live for new functionality.

  • Principal Architect & Developer

    Jun, 2003 - Aug, 201310 years 2 months

    • Pay.gov: J2EE application built for the Treasury Department - Federal Reserve Bank of Cleveland (FRBC). Pair programmed credit card and ACH payment system with full auditing and traceability.

    • Global Management System: Developed custom J2EE application integrating PWC's internal systems with SAP.

    • RMS Desktop: Developed J2EE application for Verizon to manage customer accounts and billing.

    • Grandslam: Redesigned Comcast internal applications, web services, and web-based front ends for customer facing interfaces to automate repair truck dispatch, improving efficiency.

    • Case Knowledge Management: Teamed with developers creating Salesforce based Case Knowledge Management System at Fidelity drastically decreasing the time for employees to research information across the entire company.

    • Salesforce Practice: Led developers expanding Dante's presence into the Salesforce ecosystem as a new line of business. This increased revenue by approximately 10%.

Skills

Skills

  • Web Development

    HTML, CSS, Javascript

    TypeScript

    NodeJS

    VueJS

    PHP

    jQuery

  • Enterprise Application Development

    Java/J2EE (25 years)

    Salesforce/Apex

    Domain Driven Design

    Microservices

    OpenAPI/API First Development

  • Databases

    PostgreSQL

    MongoDB

    MySQL/MariaDB

    SOQL

  • Technologies

    AWS

    Design Patterns

    Docker

    git

    gRPC

    Hibernate/JPA

    Jenkins

    Kafka/Kafka Streams/KSQL

    Kubernetes

    Maven

    Open Source

    PlantUML

    Redis

    REST

    Selenium

    Spring/Spring Boot

    Spring WebFLUX

    UML

  • Operating Systems

    Linux

    Windows

  • General

    Apache Tomcat

    Eclipse IDE

    IntelliJ

    NGINX

    Visual Studio

    VSCode

    Tomcat

Education

Education

  • Computer Engineering Technology, , Rochester Institute of Technology

    - Present

Awards

Awards

  • Certified Salesforce Developer , Salesforce.com

    Awarded on: Nov 01, 2022

  • Certified Salesforce Administrator , Salesforce.com

    Awarded on: Oct 01, 2012

References

References

  • John Vorchak

    CTO at THREAD