Sebastian Gherhes

Full Stack Developer specializing in building scalable, high-performance web applications.

Experienced Full Stack Developer with over 5 years of expertise in Web Applications development, proficient in React, Node.js, PHP, Laravel and WordPress. Adept at managing complex projects, I have a proven record of delivering innovative solutions and leading teams efficiently.

Work Experience

Ghem Dev

Full Stack Developer & CEO Timișoara, Romania

Nov 2021 - Present
Founded and managed a software consultancy specializing in custom web applications, advanced data visualization, and CMS-based solutions.

University of Life Sciences Timișoara

ReactNext.jsPayloadCMSLLM integrations

Developed a multi-language university website managing hundreds of pages across multiple faculties and departments. • Implemented automatic translation workflows using the DeepL API, ensuring high-quality multilingual support and consistency across content. • Focused heavily on accessibility compliance (WCAG), responsive design, and optimal page performance. • Delivered a fully customizable CMS solution with PayloadCMS, allowing administrators to dynamically manage all site content, media, and translations with minimal technical intervention.

Mobilesyrup

PHPWordPressCI/CD

High-traffic news website reaching 1-2M monthly visitors. • Built with WordPress CMS, implementing a fully customized theme optimized for high-performance and scalability. • Managed ongoing site optimization, ensuring robust site performance and reliable content delivery.

BDB

ReactTypeScriptData Visualization

Created a complex dashboard application to visualize banking sector data, enabling insightful analytics and reporting. • Implemented a comprehensive activity log system to track detailed changes across the platform, facilitating transparency and accountability. • Developed an advanced approval workflow, requiring admin verification for all critical data modifications, significantly enhancing data integrity and security.

Document Archive & Logistics Platform

LaravelPostgreSQLReactTypeScript

Designed a Laravel backend and REST API for managing companies, contacts, contracts, and storage - centralizing hundreds of legacy contracts and clients into a searchable system. • Implemented robust validation and schema improvements (indexes, FKs, annotated migrations) for data integrity and performance. • Built CSV/Excel import pipelines to parse, clean and map legacy data (clients, contracts, dates, nomenclatures). • Built a React frontend with consistent DTO/Resource responses for UI forms and tables.

Medical Appointments Platform

LaravelReverbWebSocketsVonage API

Led migration from Node.js to Laravel, redesigning domain models and API structure for maintainability. • Implemented core entities with RESTful endpoints. • Added real-time chat via Laravel Reverb and video consultations via Vonage (session management, token generation, secure access). • Secured the platform with authentication and role-based authorization for patients, doctors and admins.

MGY

PHPWordPressData IntegrationCI/CD

Leading property agency based in Cardiff, Wales. • Developed a property listing platform with automated hourly imports from external systems. • Built a custom responsive WordPress theme and integrated data synchronization for up-to-date listings.

Responsibilities Included:

  • End-to-end project management including planning, resource allocation, and client communication.
  • Maintaining high standards in code quality, system reliability, and performance.
  • Applying Agile methodologies to deliver projects efficiently and within deadlines.

CCSW

Full Stack Developer Cardiff, UK

Sept 2019 - Oct 2021
Developed multiple custom CMS implementations for diverse client needs, handling end-to-end design and backend development. Delivered robust, scalable, and secure solutions tailored for various business sectors.

Insure Engine System

PHPSymfonyData Analytics

Large insurance platform handling hundreds of monthly payments. Enabled brokers to sell insurance products (breakdown, GAP, home, gadget) via custom journeys and domains. Developed a comprehensive CMS and analytics dashboard.

Trade A Mobile

AngularExpressNode.jsMongoDB

Built a trade-in platform allowing users to sell mobile devices to authorized brokers. Implemented import systems and real-time price updates for broker product listings.

CodetraQR

PHPSymfonyReact NativeData Analytics

QR-based hotel room management system serving dozens of hotels. Built a React Native app for staff to update room statuses securely via QR codes and added analytics to track operational efficiency.

Motanz

Web Developer Timișoara, Romania

Feb 2020 - May 2020
Worked on a custom analytics dashboard for an energy company using Angular, providing key insights into energy consumption, performance metrics, and operational efficiency.
AngularSwagger

Intro

Software Developer Southampton, UK

May 2019 - Nov 2019
Worked on a React Native mobile application enabling users to discover nearby individuals and Bluetooth beacons representing company booths at career events. • Application widely adopted at career fairs, simplifying navigation, enhancing attendee-company interactions, and providing quick access to company information and contact details.
React NativeFirebase

Education

University of Southampton

MSc Computer Science (Distinction)

2018 - 2019

University of Southampton

BSc Information Technology in Organisations (First Class Honours)

2015 - 2018

Skills

ReactAngularTypeScriptWordPressPHPLaravelSQLHTMLCSSGitDockerCI/CDUnit TestsAWSMongoDBPostgreSQL