Sean Walsh
Lucan,Ireland
Summary
Computer Science and Software Engineering student with hands-on experience in software development, full-stack projects, databases, and enterprise systems. Experienced in working with a range of programming languages, development frameworks, databases, and IT platforms through academic, personal, and professional projects. Strong foundation in computer science with the ability to troubleshoot technical issues, learn new technologies, and adapt to different IT environments. A proactive and adaptable team player with strong problem-solving and communication skills.
Overview
3
3
Languages
1
1
Certification
6
6
years of post-secondary education
5
5
years of professional experience
Work history
Project Management Systems Specialist Intern
ESB (Electricity Supply Board)
Dublin, Ireland
2025.06 - 2026.06
- Administered and supported a Project Management Information System (PMIS) used by 500+ active users across the business.
- Created and maintained dozens of projects for business teams and outside businesses.
- Managed project information and data within the PMIS, helping maintain accurate and reliable records across the system.
- Troubleshot system issues by investigating data and functionality problems and resolving user access and system-related issues.
- Managed user access and system components across the PMIS, supporting users and maintaining system accuracy.
- Completed 4 advanced training courses in Excel, SharePoint, Power BI, and SQL, developing skills in data management, reporting, and enterprise systems.
- Collaborated with project teams and business users to understand requirements and improve processes and system functionality.
- Supported the development of a training catalogue within SharePoint to help organise and present training resources.
Sales Assistant
SuperValu Lucan
Lucan, Co. Dublin
2021.09 - 2025.05
- Helped customers with general enquiries and account access issues while working in a service desk environment.
- Assisted customers with basic technical problems and explained solutions clearly.
- Provided friendly and helpful customer service in a busy store environment.
- Handled click & collect orders, stock, and checkout duties.
- Replenished stock and kept shelves organised and fully stocked.
- Worked as part of a team to manage daily tasks and customer requests efficiently.
- Permitted to take a three-month travel break to America and return to the same role due to the positive working relationship established with the company.
Host
Joe's Crab Shack
San Diego, USA
2024.06 - 2024.08
- Provided customer service in a busy international restaurant.
- Took customer orders, handled payments and helped ensure orders were delivered correctly.
- Worked with colleagues to keep service running smoothly during busy periods.
Education
Bachelor of Science - Computer Science
Maynooth University
Co. Kildare 2022.09 -
Leaving Certificate - Science, Geography, Biology
Lucan Community College
Dublin, Leinster 2015.09 - 2021.06
Skills
- Languages: Java, Python, C, JavaScript, HTML, CSS, SQL, MATLAB
- Frameworks & Libraries: React, Nodejs, Expressjs, Bootstrap, REST APIs
- Databases: MySQL, PostgreSQL, MongoDB, Firebase
- Testing & QA: Unit & Integration Testing, JUnit, Postman, Debugging
- Tools & Platforms: Git, GitHub, VS Code, Eclipse, IntelliJ IDEA, BlueJ
- Operating Systems: Windows, macOS, Linux, Unix
- Core CS Skills: Full-Stack Web Development, Data Structures & Algorithms, Object-Oriented Programming, Software Architecture, Operating Systems, Concurrency, Networking
- Data & Business Tools: Excel, Power BI, SharePoint
PROJECT WORK
- EasyRent Web Application — HTML, CSS, MySQL, JavaScript
Developed a full-stack rental management web application with user accounts, different user roles, and CRUD functionality. Designed and connected a MySQL database and created a responsive interface for different screen sizes. - Project Management Dashboard — React, Node.js, Express.js, PostgreSQL
Built a full-stack project dashboard with a React frontend and Node.js/Express backend. Worked with PostgreSQL to manage project data and implemented user authentication and API functionality. - Apartment Tenant Data Management System — HTML, CSS, JavaScript, Node.js, Express.js, MySQL
Developed a web-based system for managing apartment tenant information. Created REST APIs and connected the application to a MySQL database to manage and update data. - Interactive Food Pyramid — HTML, CSS, JavaScript
Created an interactive educational web application featuring drag-and-drop functionality and basic validation to make the application engaging and easy to use. - Simon Says Interactive Game — JavaScript, HTML, CSS
Built a browser-based memory game using JavaScript, including user input, game sequences, score tracking, and increasing difficulty.
ADDITIONAL INFORMATION
J1 Exchange Program Participation: Cross-cultural experience gained through work and travel in the United States.
Affiliations
- Tennis
- Badminton
- Football
- Athletics
- Film & TV
Accomplishments
- Gold Medal in School Talent Show
- Starring Role in Two School Musicals
- Medals Gained in Athletics Competitions
Certification
Olas - SQL Advanced - Completed May 2026
Olas - Excel Advanced - Completed November 2025
Olas - Power BI Advanced - Completed November 2025
Full Clean Drivers Licence
Languages
English
Native
Irish
Intermediate
German
Beginner
References
References available upon request.
Timeline
Project Management Systems Specialist Intern
ESB (Electricity Supply Board)
2025.06 - 2026.06
Host
Joe's Crab Shack
2024.06 - 2024.08
Bachelor of Science - Computer Science
Maynooth University
2022.09 -
Sales Assistant
SuperValu Lucan
2021.09 - 2025.05
Leaving Certificate - Science, Geography, Biology
Lucan Community College
2015.09 - 2021.06