Harris Doyle
Full Stack Developer | Senior PHP Developer-
Cork, Ireland
Profile
Highly skilled Full Stack Developer with a solid history of creating impactful solutions and enhancing system
functionality. Specializes in both frontend and backend development, effectively collaborates with
multidisciplinary teams to achieve project objectives. Eager to apply advanced technology prowess to foster
growth and continuous enhancement within forward-thinking companies.
Professional Experience
Senior Full Stack Developer, Jumio Corporation
•Collaborated closely with product managers and designers on product
requirements, providing technical insights and recommendations.
•Established and maintained consistent APIs across services, improving efficiency
by 30% and scalability by 20%.
•Developed code in a stateful application framework (React/Redux), contributing to
a 20% increase in robustness and responsiveness of the user interface.
•Implemented backend code solutions using a serverless, cloud-based application
paradigm (Flask/AWS Lambda/ECS), optimizing performance by 25% and
scalability by 30%.
•Utilized strong Python (Flask/SQLAlchemy) and TypeScript (React) experience to
drive development efforts.
•Targeted infrastructure as code with a security mindset using AWS and Terraform,
ensuring robust and secure deployments.
•Built serverless applications on AWS Lambda, Cognito, API Gateway, SMS, and
ECS, optimizing performance by 35% and scalability by 40%.
•Demonstrated expertise in unit testing across multiple paradigms, ensuring 95%
code quality and reliability.
•Delivered complex web applications to the cloud, enhancing accessibility and
scalability by 50%.
•Worked with microservices and an API-based application paradigm, optimizing
system architecture for 30% increased efficiency.
01/2022 – 06/2024
London, England
Full Stack Developer, Trane Ireland
•Spearheaded the development of a scalable web application for federal
government clients, achieving a 30% increase in user engagement.
•Designed and integrated RESTful APIs to enhance data communication
efficiency, resulting in a 20% decrease in load times.
•Led a team of developers in implementing React for front-end development,
streamlining UI/UX experiences.
•Optimized server-side processes using Python, reducing processing time by 25%.
•Developed a serverless e-commerce platform using AWS Lambda and
DynamoDB, reducing operational costs by 40%.
•Led the development of a real-time chat application using React and Node.js,
increasing user engagement by 50%.
09/2019 – 11/2021
Dublin, Ireland
Backend Developer, StudyPortals
•Utilized design patterns to enhance code reusability and effectively manage
complex functionalities.
•Enhanced web application performance by implementing caching mechanisms,
minimizing database queries, and optimizing code execution.
•Led the migration of legacy code to modern Django frameworks, reducing
technical debt and improving code maintainability.
•Implemented automated testing suites, resulting in a 30% reduction in bug
occurrences and faster deployment cycles.
•Introduced caching strategies and optimized API endpoints, leading to a 40%
decrease in response times.
•Successfully integrated third-party services and APIs, such as payment gateways
and geolocation services, expanding platform functionality.
•Received recognition from the engineering team for exceptional problem-solving
skills and dedication to quality code.
03/2018 – 09/2019
Eindhoven,
Netherlands
Backend Developer, Greenfinch Technology
•Designed modular backend architectures using Flask, allowing for flexibility and
scalability as trading platforms evolved.
•Developed RESTful APIs with Flask, enabling seamless integration with frontend
applications and external services.
•Utilized Python's asynchronous programming capabilities to process multiple
data streams concurrently, ensuring timely and accurate market information for
traders.
•Integrated various financial data APIs seamlessly into the backend systems.
•Collaborated with DevOps teams to implement scalable backend architectures
using containerization (Docker) and orchestration (Kubernetes).
•Optimized database queries, indexing, and caching strategies to improve
platform performance during high traffic periods.
05/2016 – 02/2018
Dublin, Ireland
Education
Bachelor of Computer Science, University College of Cork
2011 – 2016
Cork, Ireland
Skills
Languages
HTML5, CSS3, JavaScript, PHP, TypeScript, Python,
Sass
Frameworks & Libraries
Django, Flask, Pyramid, Pandas, NumPy, React,
Node.js, Vue.js, Next.js, Laravel
Database
MySQL, PostgreSQL, MongoDB
Version Control
Git, Github
Deployment & DevOps
Docker, AWS, Heroku
Testing
Pytest, Jest
Other Technologies
B-tree indexing, Hash indexing, ACID transactions,
Service-Oriented Architecture (SOA), Xdebug,
Blackfire, Varnish, Stripe, PayPal, Google Maps API