Declan Hanley
Butler
Summary
Experienced Application Development Specialist II with a background in Computer Science seeking a position as an Application Developer. Skilled in coding, software development, and project management. Proven track record of delivering high-quality applications. Committed volunteer dedicated to giving back to the community. Ready to bring expertise and passion to a dynamic development team.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Application Development Specialist II
Fragomen
01.2023 - Current
- Developed and deployed solutions using C# and 3E IDE, leveraging 3E Utilities for environment transitions (Dev → UAT → Production) and IIS for hosting.
- Designed and implemented a virtual credit card integration with Mastercard for government transaction processing.
- Automated SOAP API delivery and consumption using Neuron ESB, enhancing data flow efficiency across systems.
- Created user-facing ASP.NET web applications for credit card payments and reporting dashboards, utilizing HTML, JavaScript, and C#.
- Integrated Stripe API for secure credit card payment processing and real-time reporting.
- Experienced in Postman for testing and validating API integrations.
- Proficient in SQL: database design, querying, and stored procedures.
- Familiar with ServiceNow for ITSM processes and responsible for printer management and maintenance across departments.
- Utilized GitHub and GitLab for version control and collaborative development.
- Engaged directly with clients and end users to gather requirements, define UI specifications, and ensure functional delivery.
Junior Application Developer
Brooksource
05.2022 - 01.2023
- Application Developer for Nationwide.
- Worked in MCM(Marketing Content Management), on the DAM(Digital Asset Management) Line.
- Worked on Nuxeo search improvements using Javascript to enhance search results.
- Transferred system to Oracle Database, with Node.Js.
- Answered tickets, and developed new features as requested by other teams using ServiceNow.
- Developed custom Nuxeo features using Javascript, and onboarded new teams into nuxeo with custom content domains.
Java App Developer
Freedom Gateway
02.2022 - 05.2022
- Transfering CyptoCurrency APIs to improve Barcoding scanning and Cash Dispensing APIs using Java.
- Used Linux Virtual Box to test improvements.
Back End Developer
Freedom Gateway
12.2021 - 02.2022
- Tasked with improving the routing for kiosk applications with Multi-Threading, to increase speed, future code development, and reduce bugs/errors.
- This included using Java for the routing, JavaFX for the UI, and FXML.
IT Help Desk Support
Geneva College
09.2020 - 12.2021
- Fixed tickets submitted by College staff, teachers, and students through KACE systems management.
- Was available for phone calls and walk-ins during shift hours.
- Worked with Projectors, soundboards, and audio/visual devices.
- Diagnosed and repaired student and staff desktops and laptops.
Deployment Technician
All Lines Technology
06.2021 - 08.2021
- Tested, Diagnosed, Documented, and re-Imaged 30,000 computers for the Pittsburgh Public School district.
- Contract was for 3 months.
Education
Bachelor's degree - Computer Science
Geneva College
Beaver Falls, PA05.2022
Minor - Cyber/Computer Forensics and Counterterrorism
Geneva College
Beaver Falls, PA05.2022
Skills
- ASPNET
- Internet Information Services (IIS)
- Neuron ESB
- Applications development
- API integration
Certification
Microsoft Certified: Azure Fundamentals
Awards
- Deans List
- Finance Excellence Team Award - Fragomen 2025
Timeline
Application Development Specialist II
Fragomen
01.2023 - Current
Junior Application Developer
Brooksource
05.2022 - 01.2023
Java App Developer
Freedom Gateway
02.2022 - 05.2022
Back End Developer
Freedom Gateway
12.2021 - 02.2022
Deployment Technician
All Lines Technology
06.2021 - 08.2021
IT Help Desk Support
Geneva College
09.2020 - 12.2021
Bachelor's degree - Computer Science
Geneva College
Minor - Cyber/Computer Forensics and Counterterrorism
Geneva College
Similar Profiles
Horia YosufiHoria Yosufi
Graduate Lawyer at FragomenGraduate Lawyer at Fragomen
Maria BabyMaria Baby
Application Development Specialist II at FragomenApplication Development Specialist II at Fragomen
Sean Nguyen PhamSean Nguyen Pham
Senior Client Success Analyst at FragomenSenior Client Success Analyst at Fragomen
Regan KellyRegan Kelly
Behavior Specialist at Western Pennsylvania School For Blind ChildrenBehavior Specialist at Western Pennsylvania School For Blind Children
Ashley GouthroAshley Gouthro
Service Writer at Yacht Club PowersportsService Writer at Yacht Club Powersports