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I am a dedicated software developer with extensive experience building and maintaining full-stack systems across healthcare, financial services, and manufacturing domains. At Neogen, I design and support end-to-end solutions using C#, .NET, Node.js, and AWS services, with a focus on reliable data pipelines and scalable APIs. I thrive on solving complex integration challenges and delivering features that empower teams to move fast.\n\nOutside of code, I enjoy solving problems as the sole developer on key projects, collaborating with stakeholders, and continuously learning new technologies. I value clean architecture, testable code, and data-driven decisions that positively impact patient outcomes and client success.…I am a dedicated software developer with extensive experience building and maintaining full-stack systems across healthcare, financial services, and manufacturing domains. At Neogen, I design and support end-to-end solutions using C#, .NET, Node.js, and AWS services, with a focus on reliable data pipelines and scalable APIs. I thrive on solving complex integration challenges and delivering features that empower teams to move fast.\n\nOutside of code, I enjoy solving problems as the sole developer on key projects, collaborating with stakeholders, and continuously learning new technologies. I value clean architecture, testable code, and data-driven decisions that positively impact patient outcomes and client success.

Denise Haggadone

Developer, Full Stack Developer, Web Developer, +3

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I am a dedicated software developer with extensive experience building and maintaining full-stack systems across healthcare, financial services, and manufacturing domains. At Neogen, I design and support end-to-end solutions using C#, .NET, Node.js, and AWS services, with a focus on reliable data pipelines and scalable APIs. I thrive on solving complex integration challenges and delivering features that empower teams to move fast.\n\nOutside of code, I enjoy solving problems as the sole developer on key projects, collaborating with stakeholders, and continuously learning new technologies. I value clean architecture, testable code, and data-driven decisions that positively impact patient outcomes and client success.…I am a dedicated software developer with extensive experience building and maintaining full-stack systems across healthcare, financial services, and manufacturing domains. At Neogen, I design and support end-to-end solutions using C#, .NET, Node.js, and AWS services, with a focus on reliable data pipelines and scalable APIs. I thrive on solving complex integration challenges and delivering features that empower teams to move fast.\n\nOutside of code, I enjoy solving problems as the sole developer on key projects, collaborating with stakeholders, and continuously learning new technologies. I value clean architecture, testable code, and data-driven decisions that positively impact patient outcomes and client success.

Available to hire

I am a dedicated software developer with extensive experience building and maintaining full-stack systems across healthcare, financial services, and manufacturing domains. At Neogen, I design and support end-to-end solutions using C#, .NET, Node.js, and AWS services, with a focus on reliable data pipelines and scalable APIs. I thrive on solving complex integration challenges and delivering features that empower teams to move fast.\n\nOutside of code, I enjoy solving problems as the sole developer on key projects, collaborating with stakeholders, and continuously learning new technologies. I value clean architecture, testable code, and data-driven decisions that positively impact patient outcomes and client success.

Skills

Experience Level

Expert

Expert

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Intermediate

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Work Experience

Software Developer at NEOGEN

May 1, 2023 - Present

Design, create, and support a full-stack solution using C#, .NET8 and .NET9, Entity Framework, MVC, Node.js, JavaScript, jQuery, Bash, AWS services including AmazonSQS, Lambda, and server scaling, MSSQL and MySQL database administration, RabbitMQ, MongoDB (version 9 upgrades and maintenance), GitHub, and DevOps in an Agile environment with two-week sprints. Sole developer responsible for the Datahub system that processes genetic test results from compressed JSON payloads through AWS Lambda and RabbitMQ into MongoDB, further passing metadata into Amazon SQS for workflow processing identifying genetic matches. Development and maintenance of RESTful APIs including AD Authentication with expiring tokens, data migration from other systems, Windows Services and IIS management.

Software Developer at NEI Global Relocation

May 1, 2023 - September 5, 2025

Designed, developed, and supported a full-stack solution using C#, .NET5, Entity Framework (MVC), Node.js, JavaScript, jQuery, CSS, Blazor, MSSQL, DevOps in an Agile environment with two-week sprints. Responsibilities included creating and maintaining APIs for data receipt and posting to databases, and delivering results to UI screens optimized for both mobile and PC displays. Responsible for backend and frontend bug fixing and debugging.

Software Developer at NEOGEN

November 1, 2022 - September 5, 2025

Designed, created, and supported a full-stack solution with C#, .NET8 and .NET9, Entity Framework, MVC, Node.js, JavaScript, jQuery, MSSQL and MySQL database table management, RabbitMQ, Postman, Swagger, GitHub. Created multiple APIs to fetch data using specific parameters after client authentication and developed APIs to consume generic order templates automatically inputting orders. Maintained templates tying organizations to their products.

Software Developer at Assurity

December 1, 2020 - September 5, 2025

Designed, created, and supported full-stack solutions using Microfocus Cobol, C#, .NET4, Entity Framework, MVC, Node.js, JavaScript, jQuery, MSSQL and MySQL database table maintenance, Swagger, RabbitMQ, HTTP, Quadient, DevOps, and on-call support. Developed APIs interacting with Microfocus Cobol programs, implemented and automated Quadient workflows involving HTTP calls and RabbitMQ queue routing with C# listeners. Built SQL database tables and provided on-call support for service APIs and Quadient processes.

Software Developer III at Ameritas

June 1, 2018 - September 5, 2025

Developed and supported multiple systems using Mainframe COBOL, JCL, Microfocus Cobol, C#, Java, C++, Cognos, Watson Analytics, Oracle, Captiva, Datastage, HTTP, SoapUI. Worked in a small Business Analytics team creating star schemas, Cognos reports, and ETL processes. Automated Cognos report generation using Java. Supported imaging workflows and legacy imaging systems utilizing various languages. Took part in rewriting COBOL batch process to Java, reducing processing time from 8 to 3 hours. Responsible for technical and functional specifications, test cases, and code reviews. Provided on-call support including 24/7 monitoring.

Programmer/Analyst at TAG/TMI (Dell)

September 1, 2007 - September 5, 2025

Designed, created, and supported multiple systems with focus on Mainframe COBOL, JCL, CICS, FTP, including financial loan system processes and annual policy statement generation. Supported integration of Excel files with mainframe data. Performed programming and analyst work with full documentation including technical and functional specifications and testing. Provided on-call support monthly for batch and CICS.

Client Services Administrator at Experian

April 1, 2002 - September 5, 2025

Maintained and processed JCL for Detached Label System involving file merging and G1MAIL postal software processing. Led a team of 7 maintaining data and processes for Proctor and Gamble. Documented and upgraded postal software processes. Used JCL, CICS, FTP and provided on-call support weekly.

Software Developer at NEOGEN

May 1, 2023 - Present

Design, develop, and support a full-stack data platform (Datahub) that ingests large compressed JSON payloads from source systems, processes via AWS Lambda and SQS, and stores metadata in MongoDB, with a UI to present results. Sole developer responsible for feature work, bug fixes, and data requests. Implement REST APIs with AD authentication and data migrations.

Software Developer at NEI GLOBAL RELOCATION

May 1, 2023 - September 7, 2025

Designed and maintained full-stack solutions using C#, .NET5 (MVC), Node.js; built APIs to Get and POST receipts; implemented UI views for mobile and PC; performed bug fixes and feature work.

Software Developer at NEOGEN

November 1, 2022 - September 7, 2025

Created multiple APIs to access data, implemented an API to input a generic version of our order template into the database, and supported data migrations into Datahub and MongoDB.

Software Developer at ASSURITY

December 1, 2020 - September 7, 2025

Worked across languages including Microfocus COBOL, C#, .NET4, MVC, Node.js; built APIs, implemented Quadient interactions, and provided on-call support. Development spanned UI and back-end components with DevOps practices and 2-week sprints.

Software Developer III at AMERITAS

June 1, 2018 - September 7, 2025

Handled mainframe COBOL, JCL, Microfocus COBOL, Cognos, Watson Analytics, Oracle, Captiva, and Datastage. Automated Cognos reporting, designed ETL processes, and built imaging/workflow solutions with 24/7 on-call support.

Programmer/Analyst at TAG/TMI (DELL)

September 1, 2007 - September 7, 2025

Designed and supported multiple systems including Mainframe COBOL, JCL, CICS, FTP; documented and implemented new processes; on-call support for batch and CICS.

Client Services Administrator at EXPERIAN

April 1, 2002 - September 7, 2025

Managed JCL, CICS, FTP-based tasks; led a team of 7 in maintaining data processing for Procter & Gamble and related clients; documented and upgraded postal software processes; on-call support.