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Sean Hayes

Sean Hayes

everything

self employed | Spain

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Data explorer, charting new territories in the realm of insights.

My Work

Take a look at my latest work.

course

Intermediate SQL

course

Introduction to Python

course

Intermediate Python

course

Intermediate SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Introduction to Power BI
Intermediate SQL

My Work Experience

Where I've interned and worked during my career.

foobar Agency | Nov 2022 - Present

Senior Full-Stack Engineer

Senior Software Engineer at HUK Autoservice | Building B2B Solutions with Spring Boot & Kotlin Instrumental in the development of end points using Spring Boot and Kotlin at HUK Autoservice, enabling efficient customer identification for their business operations. Played a crucial role in the project, contributing to the successful implementation of a successful B2B service. Currently engaged in architecting a CRM solution utilizing Zoho, addressing the business's need for streamlined organization and improved operational efficiency. Responsible for maintenance of critical front-end systems required for the functioning of the customer identification systems.
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foobar Agency | Feb 2022 - Nov 2022

Senior Software Engineer

Porta.de Frontend Developer | Contentful, React.js, Next.js Collaborated on a dynamic project at Porta.de, leveraging Contentful, React.js, and Next.js to develop custom Contentful modules for integration into the main e-commerce website. Played a key role in driving revenue growth by enhancing user engagement through the implementation of interactive elements, surpassing traditional product listings and providing a captivating magazine-style experience. Quickly acquired proficiency in Contentful and emerged as the go-to resource for expertise and information on the platform within the project team.

SPORT1 GmbH | Sep 2020 - Jan 2022

Mobile Engineer

React Native Developer | Cross-Platform News Application (Germany's Leading Sport Media Outlet) | Agile Environment Developed and maintained a high-performing cross-platform news application for Germany's leading sport media outlet, reaching a broad audience of ~3 million users. Delivered new features within an Agile environment, fostering close collaboration with Product and Design teams to ensure timely delivery and user satisfaction. Enabled the design team to review design changes independent of main App deployments. Proactively implemented performance optimisations, resulting in reduced rendering time and faster app performance.

Freelance (Self employed) | Nov 2015 - Aug 2020

Software Architect

RETAIL HOUSE SOLUTIONS | Project Management System Architected an award-winning real-time business process management system, leveraging Meteor.js, React, React Native, and MongoDB. Enabled the business to win large contracts by delivering innovative software solutions for project management. Communicated with stakeholders to present updates, gather feedback, and align solutions with business goals. Stayed updated with industry trends to enhance the project management system's success.

Freelance (Self employed) | Mar 2013 - Oct 2015

Software Architect

WWWOWWW | Fashion Social Network Architect Architected a fashion social network platform from inception, leveraging emerging technologies such as Node.js, Sencha Touch, and MongoDB. Seamlessly integrated Node.js, a powerful JavaScript runtime, to build a robust and scalable backend infrastructure for the social network. Leveraged Sencha Touch, an advanced mobile app framework, to create an intuitive and engaging user interface across multiple devices. Utilized MongoDB, a NoSQL database, to efficiently store and manage user data, ensuring optimal performance and scalability. Successfully delivered a market-ready product that garnered significant interest, leading to its acquisition by another company.

Freelance (Self employed) | Dec 2012 - Mar 2013

Mobile Engineer

Fruit Wings Developing native Android and hybrid mobile applications.

Freelance (Self employed) | Jul 2012 - Dec 2012

Mobile Engineer

ALTERGUIA Implemented the official Felaban 2012 conference application. Mobile web Sench touch.

Keivox | Apr 2011 - May 2012

Web and Mobile Application Developer

Experienced in developing hybrid applications for Android, iPhone, and iPad using Sencha Touch and PhoneGap. Utilized web services (REST and SOAP) to leverage clients' IT infrastructure, enabling rapid response to client needs. Designed and implemented web applications with Groovy on Grails framework, providing REST API for mobile devices and administrative purposes. Led integration of back-end systems like LDAP in a small team. Proficient in Jenkins for automated testing, building, and deployment. Worked with Amazon Web Services.

Festina Lotus S.A. | May 2009 - Apr 2011

Java Software Engineer

Taking ownership of entire projects to deliver functionality to save the company money by automating processes and providing information to customers online.

Enormo | Sep 2008 - Apr 2009

Java Backend Developer

Creating tools for use internally.

Nuroa Internet | Nov 2007 - Sep 2008

Java Developer

Oversaw content quality and maintenance of the core program for the company's vertical network search engine. Led projects focused on XML files, comprising over 40% of all advertisements, utilizing J2EE, JMX, and Java.

My Education

Take a look at my formal education

Master's degree, Computer Science and Information SystemsUniversity of London | 2007
Bachelor of Science (BSc), ChemistryThe Open University | 2001
A-level, Biology, Chemistry, PhysicsJohn f Kennedy | 1992

About Me

Sean Hayes

I am learning new skills as I have been doing all my life and wish to continue doing so for many years.

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