Senior Software Engineer

Building reliable products across web, mobile, cloud, and embedded systems.

I bring ten years of hands-on engineering experience, from React Native and AWS-backed applications to production support, automation, and legacy system replacement. I enjoy turning unclear problems into polished, maintainable software that teams can keep improving.

Contact Me View Experience
10+ years shipping software
4 product domains
Full stack React, Expo, AWS, .NET

Recent focus

Technologies I have been specialising in

React Native

Cross-platform product development for mobile and web.

EX

Expo

Fast iteration, device builds, and modern app delivery workflows.

TS

TypeScript

Safer front-end and application code with clearer contracts.

AWS

Authentication, backend services, data flows, and deployment support.

Figma to Product

Turning designs into polished, responsive application interfaces.

Observability

Using tools like Sentry to improve reliability and production feedback.

Paddy B

Senior Software Engineer

Profile

Senior Software Engineer with ten years of experience across product engineering, mobile development, cloud integration, automation, production support, and legacy modernisation. Comfortable leading work, unblocking teams, and collaborating across time zones in follow-the-sun delivery environments.

Strengths

Product-focused engineering React Native & Expo delivery AWS-backed application design Automation and support tooling

Contact Information

Co. Monaghan

Work Experience

Software Engineer

Hereworks

Feb 2022 - Present

Leading modern web and mobile experiences using React, Expo, AWS, and TypeScript. Translating product and design requirements into production-ready features with dependable authentication, cloud integration, and user-focused interfaces.

React NativeTypeScriptAWS

Software Engineer

Playertek / Catapult Sports

Apr 2017 - 2022

Built analytics-driven sports products and embedded firmware tooling, collaborating closely with product, QA, and support teams to ship dependable features for athlete performance workflows.

EmbeddedAnalyticsAgile

Graduate / Intermediate Software Engineer

Prometric

Summer 2013 - 2016

Delivered test delivery system components, service automation, and back-end tools while taking ownership of production issues, replacement services, and team automation initiatives.

.NETAutomationService Design

Contract Software Developer

ABB, Dundalk

2012 (6 month placement)

Worked on a C# legacy replacement project, gaining early experience in enterprise software development and collaborative delivery.

C#EnterpriseLegacy Migration

Work Experience

Doran’s Garage / HITEC

Transition Year

Introduced to software development through practical, team-based work, building a strong foundation in problem-solving and technical collaboration.

Problem SolvingTeamworkFoundations

Technical Experience

React Native Expo TypeScript AWS C# Java Automation Production Support
  • Databases:SQL, JDBC, MSSQL, DynamoDB, OpenSearch
  • IDEs:Cursor, Visual Studio
  • Languages:Java, C++, C#, VB, Swift, React Native, JavaScript, Angular, TypeScript
  • Other:JUnit, XML, XSLT, Glassfish, Photoshop, PhoneGap, Azure, Figma, Expo, Sentry
  • Testing:NUnit, xUnit, MSTest, Postman, Selenium
  • Web:React, HTML, CSS, JavaScript, WordPress, Webflow

Project Experience

  • .NET development at ABBDeveloped a new C# system replacing multiple legacy components, working in sprint teams with daily scrum ceremonies.
  • .NET development at PrometricDelivered C# websites, backend systems and a standalone Windows application to replace BizTalk servers end-to-end.
  • College final year projectCreated a PhoneGap mobile navigation app using HTML, JavaScript and CSS for cross-platform deployment.
  • React Native at HereworksBuilt a new Expo application, implemented Figma designs, integrated AWS backend services and Cognito authentication for mobile and web.
  • Swift & React Native at Catapult SportsWorked on the main iOS consumer app in Swift and later built a cross-platform React Native application with TypeScript.

Modern Engineering Focus

Product-led delivery Turning design, user needs, and technical constraints into maintainable production features.
Mobile-first applications Building React Native and Expo experiences that work cleanly across mobile and web.
Cloud-integrated systems Connecting front-end products to AWS services, authentication, observability, and reliable data flows.
Team enablement Improving delivery through automation, support tooling, clear handovers, and pragmatic technical decisions.

Activities & Hobbies

Books
Cars & motorsport
Games
Movies
Music