I am a full-stack developer and team lead with ten years of experience delivering both frontend and backend solutions. Over the years, I have led distributed teams, working effectively in fully remote environments with a strong emphasis on asynchronous collaboration. My expertise includes feature development, bug resolution, and the integration of AI tools and modern technologies into web applications. I am also experienced in conflict management and mentoring junior developers, helping them grow while maintaining a productive and positive team dynamic.
Experience
Senior full stack web developer and team lead
Freelancer
12/2023 - Present (2 years)
Added a backend test suite to an existing project, reducing bugs and accelerating feature development.
Collaborated with engineers to expand and modify the database schema, improving efficiency and enabling additional functionality.
Quickly adapted to new projects by learning their codebases, resolving bugs, and implementing features with minimal time and resources.
Led the development and maintenance of multiple projects for both local and international companies.
Successfully built a premium feature for the company’s app in under three months after joining.
Collaborated with a remote team across Europe to establish requirements, align with product managers and designers, deliver features, lead other developers, resolve bugs, and deploy the app.
Significantly increased customer satisfaction by working with fellow developers to optimize key aspects of the app across multiple domains—accelerating processes, reducing bottlenecks, and fixing critical bugs.
Guided several startupdayjs(s—including a laborator)y and a luxury car dealership—in establishing their online presence by developing applications that met their needs despite limited resources and tight deadlines.
Redesigned brand identities for local businesses to ensure they were well-adapted to the digital era.
Created a versatile Todo app enabling task creation with details such as names, labels, time tracking, and day-wise completion. Implemented features for downloading, importing, editing, and deleting tasks, offering efficient task management and seamless data handling.
October 30, 2025 - Francesco managed Xavier directly
I had the pleasure of working with Xavier during his time at Coachhub as a developer and team lead. He quickly proved himself as a highly capable engineer — within just two months, he built and delivered a fully functioning new feature that became a key part of our product.
Leading a small team, he showed great ownership, focus, and technical excellence, ensuring timely delivery and high quality. Xavier combines strong problem-solving skills with calm, reliable leadership — a real asset to any engineering team.
I am extremely pleased to recommend Xavi for any Full Stack Developer opportunity. During the time Xavi worked with me, he proved to be a highly competent and dedicated professional.
Xavi showed a remarkable ability in both front-end and back-end development. His knowledge of technologies such as React, Next.js, [and] Node.js was crucial to the success of multiple projects. He not only masterfully handled the technical tasks but also contributed significantly to the continuous improvement of the project.
In addition to his technical skills, Xavi possesses excellent interpersonal skills. He was always willing to help his teammates. His positive attitude and ability to work under pressure contributed to creating a collaborative and efficient work environment.
I am confident that Xavi will be a valuable asset to any development team. His passion for technology and his commitment to excellence are qualities that set him apart as an exemplary professional. I have no doubt that he will continue to have a positive impact on any organization he works with.
If you require further information or wish to discuss Xavi's experience and skills further, please do not hesitate to contact me.
Frontend Team Lead: React, Javascript, Gatsby, NextJS, Wordpress & More
November 22, 2024 - Miguel Ángel managed Xavier directly
Since working with Xavier, he has consistently proven to be a great professional and a valuable member of our team. He is a versatile developer with solid skills in both frontend and backend, who takes on responsibilities with commitment and efficiency, unafraid to lead initiatives or make decisions. His ability to handle different tasks from creating user interfaces to implementing server-side solutions has been crucial to the performance of the technical team.
One of Xavier’s most outstanding qualities is his ability to quickly adapt to new technologies, frameworks, and tools. In a field as dynamic as software development, his ability to learn and apply knowledge swiftly has enabled us to achieve important objectives from his very first weeks on the team.
Xavier is always willing to collaborate and support his colleagues, whether in individual tasks or in collaboration with other team members. His teamwork-oriented approach and patience in sharing knowledge mean we can always count on his support to solve technical problems or guide less experienced teammates.
Last but not least, Xavier brings a cheerful and contagious attitude to the team. His optimistic nature not only improves the group dynamic but also contributes to creating a motivating and productive work environment. His good humor and empathy make working alongside him an absolute pleasure.
October 31, 2025 - Andie worked with Xavier on the same team
I had the chance to work closely with Xavier on a critical project for a very high-value client with an urgent deadline. Despite having joined the company only a few weeks earlier, he ramped up incredibly fast and was shipping production-quality code almost immediately.
He was the sole developer on our team and the only dev working on our project full-time, yet handled the full end-to-end implementation while staying calm and collaborative through a series of unexpected roadblocks. Thanks to his effort and technical depth, we were able to meet our deadline without compromising on quality.
Beyond his technical skills, Xavier is simply a great teammate: positive, kind, communicative, and easy to work with. He’s proactive about raising blockers, clear in async updates, and calm under pressure. Any team would be lucky to have him!
November 21, 2024 - Daniel was senior to Xavier but didn't manage Xavier directly
I had the privilege of working with Xavier on a backend project, and I can confidently say he is an exceptional professional. One of his most remarkable qualities is his willingness to ask key questions, always aiming to delve deeper into the details and improve the process.
Xavier knows how to pause at the right moment to ensure everyone on the team is aligned, which enriches collaboration and fosters more robust solutions. Moreover, his communication style is exemplary: respectful, thoughtful, and constructive. He often presents his ideas and observations as questions that encourage analysis and promote a positive and collaborative work environment.
Without a doubt, I would work with him again if given the opportunity. I highly recommend Xavier as a member of any team. Those fortunate enough to have him onboard will quickly realize his value as a professional and colleague.
Full Stack Developer -Next.js, Javascript (ES6), Typescript, MongoDB, Express, React, NodeJS, Git, Postman, HTML & CSS
July 18, 2024 - Eduard worked with Xavier on the same team
I am extremely pleased to recommend Xavier for any position related to web development. During the time Xavier worked with us, he demonstrated exceptional technical ability and an unwavering commitment to excellence.
Xavier possesses a deep understanding of web languages and technologies such as HTML, CSS, JavaScript, and frameworks like React.
Beyond his technical skills, Xavier is an innate problem-solver who approaches every challenge with creativity and effectiveness. His ability to work as part of a team is outstanding, and he constantly collaborates effectively with designers, other developers, and product team members to ensure the delivery of high-quality projects.
During his time with us, Xavier led several key projects. His attention to detail and his ability to handle multiple tasks and tight deadlines have been invaluable to our team.
I am confident that Xavier will be a valuable asset to any organization. I have no doubt that he will continue to excel and contribute significantly in any environment he finds himself in.
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