JeCFe

Jessica Fealy

Fullstack Software Engineer

Experience with micro-processors, cryptography, and full-stack applications.

About me

Graduated in 2022 with a First Class Honours degree in Computer Science from the University of South Wales. Throughout my studies, I delved into a variety of subjects, including artificial intelligence, algorithms, and secure programming. My final year dissertation focused on researching, designing and implementing a secure chat server which expanded my knowledge of cryptography, secure programming techniques, and cyber security. Completion of the dissertation resulted in a dissertation paper, poster, and the final solution written in C#.

Currently, I'm working at BJSS as a Software Engineer. In this role, I leverage my programming skills and problem-solving abilities to design and develop solutions and systems that fulfil client requirements through technical excellence using best programming practices with test-driven development.

During my downtime, I’m usually reading a romance or fantasy book, watching science fiction TV, or playing games with friends.

Experience

Software Engineer

BJSS

Sept 2022 - Present

Designed, refined, and developed several key systems and infrustrures working alongside both BJSS and client teams to bring the clients vision to life. Operated within a multi-capability team, providing support and guidance to junior engineers, and doing low-level designs for mission-critical systems. Working in all capabilities from creating frontend applications, backend services and databases - utilising TDD, automated and unit testing to ensure code confidenceand meeting requirements.

C#
Dotnet
TypeScript
Next.js
SWR
Entity Framework
Azure

Graduate Software Engineer

BJSS Academy

Sept 2021 - Sept 2022

Starting with a 4-week intensive training course led by senior BJSS engineers giving comprehensive training on many technologies, consultancy skills, presentation skills, and agile principles. After the 4 week course, being placed onto a major public sector client developing React internal and Ruby on Rails external frontend applications, and Java APIs backend microservices. Moving onto another major public sector client developing a multitude of C# backend services, frontend internal and external Next.js applications including a React design system, and regularly providing sprint review demos of the team progress and becoming a key client contact for several key project areas.

C#
Dotnet
Java
SpringBoot
TypeScript
Next.js
React
SWR
Entity Framework
Azure
AWS

Projects

Secure Chat Server

Sept 2021 - May 2022

C# Secure chat server, using asynchronous (RSA) and synchronous (AES) cryptographic techniques and other secure programming practices to create a secure means of communication between 2 nodes through a server machine. Additionally, admin users were able to log in and interaction on the server machine console, to perform protected actions such as admin account management, viewing logs, and server restart - these credentials were stored on a MongoDB cloud instance.

No longer maintained with no plans for new features.
C#
WinForms
Cryptography
RSA
AES
MongoDB

Custom Macropad

Nov 2021 - Jul 2022

A project that allowed exploration of both hardware and software, using an Ender 3 Pro 3D printer and TinkerCAD I created a variety of designs for macropods that revolved around using the Raspberry Pi Pico microprocessor to decode mechanical key switches into programmable code. Using AdaFruit CircuitPython I built code that would take GPIO inputs and process them into simulated keyboard inputs, using this to perform shortcuts, control media, open applications, and control of windows.

Actively maintained with continued feature delivery.
  • React site to allow better customisation / JSON generation
C#
WinForms
Python
CircuitPython
Raspberry Pi Pico
Ada Fruit
3D Modeling
3D Printing

Next Dotnet Auth0 Template

Nov 2023 - Ongoing

A template to allow for a quick start for a full stack project that requires a Next.js TypeScript frontend and a C# .Net backend using Auth0 as the authorisation provider. This quick-start solution is established with authenticated APIs to the backend using Next.js middleware and server calls, as well as Eslint and Prettier rules to ensure code quality and consistent code styling across projects. CICD pipelines configured to ensure that the project is buildable, and has all tests (units and automation) passing both on PRs and on the main branch; once all tests pass on the main branch, there is a pipeline that handles automatic Azure deployment using ACR and ACA.

Actively maintained with continued feature delivery.
  • Continuous iterations and improvements
C#
TypeScript
Next.js
Auth0
Azure
Cypress

Visualised Sorter

Nov 2021 - Jan 2023

An adaptation of an early approach for a visualised sorter made using React. First iteration was made on this project as an introductory learning into React and JavaScript, with this new approach I have rewritten the code into TypeScript and Tailwind using best coding practices, striving for better abstractions and readability. Using signalling to allow the cancellation of the sorting animations mid-flow, was a major bug with the first iteration that was managed in the new one. Current support array sorting methods include Merge, Quick, Bubble, Heap, Insertion, and Selection sort, each one uses an array of render bars at different heights to sort with animations to show each step.

Critical maintenance only with no plans for new features.
TypeScript
Next.js
Tailwind
Various Sorting Algorithms

React Design System

Dec 2023 - Ongoing

An opinionated react based design system, using React, Tailwind, Class Variance Authority and Storybook. Design system set out to be adopted across personal projects, ideally to be an iterative approach where the design system is capable of changing to better fit future needs. Using Github Actions for CICD pipelines set to update the Storybook deployment when a PR is merged onto main, and package deployment whenever a new release is made.

Actively maintained with continued feature delivery.
  • Completing Github issues as they arise
  • Continuous iterations and improvements
  • Improved accessibility confirmed via automation testing
TypeScript
Next.js
Storybook
Npm Package
Tailwind