Zachary Howze

Zachary Howze

$40/hr
Senior Software Engineer with 10+ years' experience in full-stack, cloud, DevOps, and AI/ML.
Reply rate:
-
Availability:
Hourly ($/hour)
Location:
Jacksonville, Fl, United States
Experience:
11 years
Zachary Howze Senior Full Stack Engineer Jacksonville, FL 32218 •-• https://www.linkedin.com/in/zachary-howze-/ SUMMARY Senior Software Engineer with 10+ years of experience delivering scalable, secure, and high-performance solutions across healthcare, finance, and ERP domains. Skilled in Java (Spring Boot, Hibernate, Kotlin), Python microservices, and cloud platforms (AWS, Azure). Proficient in event-driven systems (Kafka, RabbitMQ), frontend frameworks (Angular, React), mobile apps (React Native, Flutter), and DevOps tools (Docker, Kubernetes, Terraform). Experienced in data engineering and applied AI/ML using TensorFlow and Deeplearning4j. Passionate about mentoring, optimizing performance, and aligning tech with business goals. SKILLS Programming Languages: Java, Kotlin, JavaScript, TypeScript, Python, C++, C#, Go, Ruby, PHP Frameworks and Libraries: Spring Boot, Hibernate, Java EE, Spring MVC, Angular, React, Vue.js, .NET Core, Node.js, Gin, Express.js, Nest.js, Flask, Django, React Native, Flutter, Wordpress Build Tools : Apache Maven, Gradle API Development : RESTful services, GraphQL, gRPC Cloud Platforms : AWS(EC2, S3, Lambda, EKS), Azure, GCP Data and Database : SQL(PostgresSQL, MySQL, Oracle), NoSQL(MongoDB, DynamoDB, Redis, Cassandra) Big Data & AI Tools : Apache Spark, Deeplearning4j, TensorFlow DevOps and CI/CD : Docker, Kubernetes, Jenkins, Terraform, GitLab CI/CD, CircleCI, Ansible Testing and Automation : Junit, Mockito, Selenium, Cypress, PyTest, TestNG Web Technologies : HTML, CSS, JavaScript, TypeScript, Webpack, Babel Other Tools : Elasticsearch, Kafka, RabbitMQ, Prometheus, Grafana, Tableau EDUCATION Bachelor’s Degree in Computer ScienceMarch, 2010 – May, 2014 University of Florida WORK EXPERIENCE Senior Full-Stack Engineer Jun 2022 – March 2025 FastSpring Santa Barbara, CA (Remote) Designed and implemented scalable frontend and backend systems for an ERP platform using Java (Spring Boot), Hibernate, Kotlin and React, achieving a ~25% improvement in performance metrics by optimizing service orchestration and leveraging Kotlin’s concisesyntax for enhanced developer productivity. Spearheaded the development of dynamic, customizable modules within the ERP system to support financial management, supply chain operations, and human resources using microservices architecture. Migrated monolithic legacy ERP applications to a microservices architecture using Docker and Kubernetes, reducing deployment times by ~30% and improving system scalability for enterprise clients. Developed and maintained frontend components using Angular and React to build interactive dashboards and administrative panels, improving user experience and reducing time-to-insight for key metrics. Built a cross-platform mobile ERP dashboard using Flutter for real-time analytics, allowing stakeholders to access KPIs and reporting features on both iOS and Android. Built and deployed AI-based machine learning pipelines to support predictive analytics, such as inventory forecasting and sales trend analysis, utilizing TensorFlow, Apache Spark, and Python to enhance decision-making processes. Collaborated with cross-functional teams to design and deploy ERP solutions on AWS, integrating services like Lambda, S3, and API Gateway to ensure high-availability for mission-critical ERP functionalities. Mentored junior developers, conducting code reviews and facilitating knowledge-sharing sessions to enhance team productivity and improve coding standards across ERP projects. Streamlined CI/CD pipelines using Jenkins and GitLab, reducing software release cycle times by 20% for ERP modules. Implemented Redis-based caching solutions to boost API response times by 15% and improve performance for highdemand ERP operations. Enhanced application security for ERP systems by integrating role-based access control (RBAC), robust identity management protocols, and OWASP-compliant best practices. Backend Engineer Jan 2020 – May 2022 Luxury Presence New York, NY (Remote) Architected and developed a healthcare management platform using Java, Hibernate, ensuring high standards for performance and scalability. Leveraged Hibernate for efficient data persistence and to streamline interactions with largescale databases managing sensitive patient data. Designed, developed, and optimized RESTful APIs to support core healthcare functionalities, such as patient records management, appointment scheduling, and billing. Enhanced interoperability by 25%, enabling seamless data exchange across multiple healthcare systems. Implemented Redis for caching solutions, which improved API response times by 40%, reduced database load, and ensured the platform could handle high user traffic during peak operational hours. Implemented RabbitMQ for asynchronous messaging and event-driven architecture, handling message queues for critical workflows such as appointment reminders and patient notifications, ensuring reliable delivery. Built robust data pipelines using PostgreSQL and MongoDB to process and analyze large volumes of healthcare data in realtime, enabling actionable insights for providers and administrators. Automated deployment processes with Terraform, Jenkins, Gradle, and Maven, ensuring reliable and repeatable deployments while reducing errors in a highly regulated healthcare environment. Conducted code reviews and implemented best practices, focusing on clean, maintainable, and secure code to ensure compliance with HIPAA and other healthcare standards. Led Agile ceremonies, including sprint planning and retrospectives, to align development goals with healthcare compliance requirements, improving team efficiency. Backend Developer Oct 2017 – Aug 2020 ReliaQuest Tampa, FL (Remote) Supported the development of cloud-native financial applications deployed on Azure, contributing to improved application scalability and uptime by 30%. Assisted in designing and optimizing backend APIs and services for financial analysis and reporting, ensuring smooth integration with frontend systems. Contributed to the modernization of legacy systems to a microservices architecture using Spring MVC and Node.js, enhancing modularity and maintainability. Gained hands-on experience in automated testing by writing unit tests with JUnit and Mockito, reducing QA cycles by 25%. Monitored and troubleshot key services using the ELK stack, improving issue detection and resolution times. Collaborated with senior developers on microservices implementations for payment processing and compliance reporting, improving system modularity and reliability. Supported security improvements by assisting in the implementation of OWASP-recommended best practices for data protection and regulatory compliance. Full-Stack Developer Oct 2014 – May 2017 YashaaGlobal Jacksonville, FL (Onsite) Contributed to the development of an internal financial reporting tool aimed at improving data visualization and performance tracking for management teams. Assisted in building interactive data dashboards using JavaScript, HTML, and CSS, enhancing data comprehension for stakeholders. Gained hands-on experience with Java by developing backend utilities for data processing and integration with PostgreSQL, supporting the financial reporting tool. Collaborated with senior developers in debugging and testing REST APIs, ensuring data accuracy and system reliability. Wrote SQL queries to streamline data extraction and reporting, reducing manual data processing efforts. Participated in Agile sprints and technical documentation preparation, improving collaboration and project transparency.
Get your freelancer profile up and running. View the step by step guide to set up a freelancer profile so you can land your dream job.