Software Engineer Full-Stack

Tudor Baciu

Address: Craiova, Romania Email: *****.*********@*****.*** LinkedIn: linkedin.com/in/tudor-baciu-a8b39035b/

PROFILE

Full-Stack Software Engineer with 10+ years of experience, specializing in both front-end and back-end technologies. Proficient in PHP, JavaScript, and popular PHP frameworks like Laravel and WordPress, as well as modern JavaScript libraries such as React. Experienced in developing, optimizing, and deploying scalable and efficient web applications using MySQL, PostgreSQL, and Redis. Skilled in building and maintaining WordPress themes, plugins, and optimizing performance for high-traffic websites. Strong knowledge of cloud platforms (AWS, GCP, Azure) and DevOps tools

(Docker, Kubernetes, CI/CD). Passionate about delivering high-quality software and maintaining best practices in a collaborative and agile environment.

EDUCATION

Bachelor’s Degree, Computer Science

West University of Timisoara Oct 2009 - June 2012

SKILLS

• Languages: PHP, JavaScript, TypeScript, Python, C#

• Frontend: React, Next.js, Vue.js, Angular, TailwindCSS

• Backend: PHP (Laravel, WordPress, Symfony), Node.js, Express.js, FastAPI

• Databases: MySQL, PostgreSQL, MongoDB, Redis

• WordPress: Custom Theme Development, Plugin Development, Performance Optimization, Security

• Cloud & DevOps: AWS, GCP, Docker, Kubernetes, Jenkins, GitHub Actions

• Testing: Jest, Mocha, Cypress, JUnit, Pytest, PHPUnit (for PHP)

• Version Control: Git, GitHub, GitLab

• Others: Composer, NPM, CI/CD, API Integration, RESTful APIs, GraphQL, WebSocket

WORK EXPERIENCE

Senior Software Engineer GridHound Aachen, Germany Jan 2021 – July 2025

• Developed scalable, multi-site architectures leveraging WordPress, PHP, and JavaScript (React, Angular) for the e-commerce and energy sectors, ensuring seamless localization and accessibility across multiple languages and re- gions. My work directly aligned with the goal of helping global audiences by enhancing user experiences through effi- cient, localized solutions.

• Optimized backend systems and APIs by integrating advanced PHP-based tools such as Laravel and Symfony for high-volume systems, ensuring high performance and stability in multiple languages, which contributed to a better lo- calization experience for end-users.

• Integrated real-time translation and localization tools into client platforms, improving accessibility and inclusivity by allowing content to adapt based on the user’s geographical location and language preferences. This work enabled our platforms to scale globally while maintaining a high standard of localization.

• Implemented server-side caching and database indexing using Redis and Memcached to reduce loading times by 20%, ensuring faster access to localized content and improved performance across multi-regional websites.

• Led cross-functional teams to design and implement cloud-native infrastructure on AWS, enabling the deploy- ment of multilingual platforms that could support high-traffic websites across multiple countries. Leveraged Docker and Kubernetes to ensure consistent environments for development and production, enhancing the efficiency of lo- calization workflows and application scaling.

• Developed WordPress plugins and theme customizations that helped automate multilingual content management, allowing clients to create, manage, and update localized content efficiently without manual intervention, thereby align- ing with the company’s mission of simplifying global digital transformation.

• Worked on API integrations with external systems such as CRM, payment gateways, and marketing tools, allow- ing clients to easily extend their platforms for multilingual and multicultural audiences.

• Optimized frontend interactions using React.js and Next.js to enhance multilingual user interfaces. Focused on ensuring that content was dynamically served in the correct language based on user preferences and geolocation, contributing to the company’s goal of improving the global reach of digital solutions.

• Implemented localization frameworks like WPML and Polylang in WordPress for automatic translation manage- ment, streamlining the content translation and publication processes for global businesses.

• Mentored junior engineers on best practices for localization, ensuring that the technical decisions adhered to indus- try standards while fostering a culture of high-quality code and consistent documentation across multiple languages.

• Collaborated with design teams to ensure that multilingual interfaces were fully responsive, visually cohesive, and easily navigable for a diverse global audience.

• Ensured data privacy and security compliance across international platforms, making sure that user information was protected while adhering to regulations such as GDPR for multi-country operations.

• Built and maintained CI/CD pipelines with Jenkins and GitHub Actions, which reduced manual deployment pro- cesses and made sure that updates to localized content could be delivered smoothly and without downtime across in- ternational platforms.

• Integrated APIs for seamless integration with external localization services, enabling clients to efficiently update con- tent in real-time across multiple languages while keeping the platform running smoothly.

• Improved recommendation systems with AI-driven models, which enhanced product personalization by suggest- ing language and region-specific content, thereby increasing engagement and retention for localized audiences. Full Stack Engineer GuestDiary Donegal, Ireland Dec 2017 - Dec 2020

• Engineered multi-lingual hotel booking platforms, focusing on seamless integration between frontend interfaces and backend systems. Ensured smooth operations for users across different regions, aligning with the company’s mission to create tools that allow businesses to reach global audiences.

• Developed scalable PHP-based backend solutions for multi-language support using WordPress, ensuring that content management and booking processes were simple and efficient for clients in different countries and languages.

• Collaborated with the design and marketing teams to ensure the website's user interface was optimized for differ- ent languages and cultural contexts, improving the overall user experience and accessibility of the platform.

• Built a multilingual backend system using MySQL and PostgreSQL, optimizing queries and ensuring that data for multiple languages was efficiently handled, with special attention to user experience across different regional settings.

• Integrated payment gateways and transaction systems that supported multiple currencies and languages, ensur- ing global accessibility and compliance with financial regulations in different countries.

• Created and managed a custom multi-language content system for clients using WordPress and Gutenberg edi- tor, which allowed seamless translation and localization of product information, bookings, and customer communica- tions.

• Worked with RESTful APIs and third-party services, building a backend architecture that was robust, scalable, and easy to integrate with external localization services for real-time translation updates.

• Built React-based dynamic frontends that supported fast loading and real-time interaction, ensuring the platform could handle a global user base without sacrificing performance, especially in terms of rendering localized content.

• **Developed automated workflows using Zapier and n8n, enabling clients to connect their WordPress platforms to external services and third-party applications for seamless multilingual integrations and updates.

• Ensured that the platform adhered to global accessibility standards, providing features like screen reader sup- port, multilingual content, and right-to-left text rendering for users in various regions.

• Monitored and optimized system performance using AWS EC2 and RDS to ensure that localized content was be- ing served quickly and efficiently, particularly during high-traffic booking periods.

• Collaborated with QA teams to automate and integrate E2E testing for multilingual applications, ensuring all regions and languages performed as expected without delays or bugs.

• Facilitated client communication to understand unique localization needs, working directly with them to implement region-specific features and integrations, contributing to a user-centered design approach for global customers.

• Optimized WordPress performance for global deployments by leveraging CDN and caching strategies for faster content delivery to international users, reducing latency and improving user satisfaction across regions.

• Implemented secure authentication mechanisms using OAuth2 and JWT, ensuring that user sessions and per- sonal data were protected across different regions and compliant with international data privacy laws.

• Built and integrated multilingual chatbots using Node.js, allowing customers to interact with support services in their native languages, improving customer service accessibility globally. Software Engineer Brainspotting Bucharest, Romania Oct 2013 - Oct 2017

• Led the development of scalable multilingual web platforms, integrating localization systems for multiple lan- guage preferences, improving customer experience across the European market.

• Developed backend microservices in PHP and Python, enabling dynamic content serving based on user language preferences, ensuring that each user interaction was localized appropriately.

• Implemented WordPress plugins to integrate multi-language features, ensuring consistent content availability in real-time, making the platform adaptable for international markets.

• Collaborated with UX/UI teams to create culturally relevant user interfaces, making sure that the design and content could be easily localized without significant rewrites.

• Optimized database performance for multi-language support, reducing latency when fetching content in different languages and improving the response time for global users.

• Engineered integration with international payment systems to support multi-currency transactions for global cli- ents, including customizing checkout flows for different regions and languages.

• Built responsive, localized front-end pages using React, enabling a seamless user experience for international clients, regardless of their language and location.

• Enhanced API security to ensure that multilingual data was encrypted, complying with global security standards for financial and personal data protection.

• Created modular components and reusable systems that could be easily adapted to new languages, significantly reducing development time for future localization initiatives.

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