Michael Reyes is a Lead Frontend Specialist & Consultant at Lean Mind, a consultancy specialised in TDD, best practices and agile methodologies for quality software development. With more than 10 years of experience in the field, he specialises in Next.js, Node.js and TypeScript, and has worked on projects of very different kinds: from mobile applications with Flutter to international e-invoicing solutions with C# and .NET. He works remotely from Tenerife with national and international teams.
His work rests on three pillars: rigorous technical development, team mentoring and the promotion of a quality culture. He applies best practices, agile methodologies and testing in all his projects, and as a consultant he has supported teams of up to fourteen people in adopting sustainable quality standards. He shares his experience in technical articles on the blog and programming exercises in the katas section. Beyond software, he is passionate about design and Japanese culture.
Consultancy specialised in TDD, best practices and agile methodologies for quality software development.
14 projects
14 projects at Lean Mind
Voxel — Amadeus IT
Dates
– present
Development of e-invoicing solutions compliant with the legislation of multiple countries. Implementation of regulatory logic, digital signatures and integration with tax agencies in a 14-person team.
C#
.NET
Azure
Oracle
xUnit
13 more projects at Lean Mind
Altra
Dates –
Role
Frontend Specialist & Consultant
Technical mentoring and integration of quality standards in the development team of a health insurance management platform, with six people.
React
TypeScript
Tailwind CSS
TDD
Jest
Zinklar
Dates –
Role
Frontend Specialist & Consultant
Technical mentoring in testing and quality culture in the team of a market research SaaS platform, with ten people.
React
TypeScript
TDD
Jest
Cryptalib
Dates –
Role
Software Developer
Alterna
Dates –
Role
Backend Developer
Development and calculation of electricity and gas invoices in line with the 2021 Spanish regulations. PDF generation, automated email delivery and system instrumentation in a six-person team.
Node.js
TypeScript
Express
MySQL
TDD
Lean Mind Portfolio
Dates –
Role
Software Developer
Renewal of the company’s corporate portfolio. Layout, design and gathering of information about projects, team and articles.
Hugo
HTML5
CSS
JavaScript
Barkibu
Dates –
Role
Mobile Developer
Development of a mobile app for pet care and health insurance with an international presence. Implementation of real-time chat and consumption of machine learning data in an eight-person team.
Flutter
Dart
BLoC
Android
iOS
TDD
Darkmatter
Dates –
Role
Software Developer
Development of the backoffice of an encrypted data platform, with data visualisation and testing in a two-person team.
React
TypeScript
CSS Modules
TDD
Jest
Deliverea
Dates –
Role
Android Developer
Development of a mobile app for delivery drivers of Volkswagen vehicle spare parts, with Zebra barcode scanner integration in a four-person team.
Android
Kotlin
MVVM
JUnit
TDD
AllInOneDoctor
Dates –
Role
Software Developer
Migration of the backoffice of a support platform for healthcare professionals, with development on top of the previous system and testing in a two-person team.
React
TypeScript
CSS Modules
TDD
Jest
Toogethere
Dates –
Role
Apprentice
Needs analysis and design validation for a tourist package platform. Requirements gathering with the client in a four-person team.
Trello
Figma
Papagayo
Dates –
Role
Apprentice
Modification of the profile module in the mobile app of a luxury beach club and nightclub in Tenerife. Module update and requirements gathering with the client in a two-person team.
Ionic
Angular
TypeScript
HTML5
CSS
B-Wom
Dates –
Role
Android Developer
First mobile project at Lean Mind. Development of a self-care app for women’s intimate health in a five-person team.
Android
Java
JUnit
TDD
Lean Mind Portfolio
Dates –
Role
Apprentice
First project at Lean Mind. Development of the corporate portfolio, with layout, design and gathering of information about projects, team and articles.
Custom software development company for local businesses in Tenerife.
1 project
1 project at Bakata Solutions
Backgrid CRM
Dates
–
Implementation of a custom CRM with invoicing, calendar and reporting modules. Tailor-made development based on the client’s needs, with responsive layout.
Higher Diploma in Web Application Development (DAW)
Official technical training in full-stack web development. Building applications with HTML, CSS, JavaScript, PHP and Java, with a complete web application as the final project.
2014
–
1 year, 8 months
Freelance
Freelance
Freelance Web Developer
First projects as an independent developer, working with clients in the digital entertainment sector.
1 project
1 project at Freelance
Browser game
Dates
–
Interface design and layout for a browser game, with a focus on user experience.
PHP
HTML5
CSS
JavaScript
Languages
Spanish
Native
English
Basic, better written than spoken
Where I studied it
Secondary school
Private lessons
Mobile apps
Japanese
N3
Where I studied it
Japanese language schools
Mobile apps
Testimonials
Working with Michael has been one of the best experiences of my career. He is the kind of developer who not only masters the technical side, but also raises the technical quality and the working…
Airán Sánchez Brito
Software developer
Worked with Michael on the same team ·
Written in Spanish · translated
Working with Michael has been one of the best experiences of my career. He is the kind of developer who not only masters the technical side, but also raises the technical quality and the working environment of the whole team.
He stands out for his ability to tackle complex problems soundly, applying best practices and always keeping a focus on clean, scalable work. His collaborative attitude, his willingness to help others and his ability to make the day-to-day run more smoothly inspire enormous confidence from the very first moment.
He is an impeccable professional and a pleasure to work with. I hope we get to share a team again in the future. Any project gains a great deal from having Michael in its ranks.
Airán Sánchez Brito
Software developer
Worked with Michael on the same team ·
Written in Spanish · translated
I have been lucky enough to work side by side with Michael for years, and I have nothing but words of gratitude and admiration for him.
I have seen up close how his professional career began and how…
Adrián Ferrera González
Lead Software Developer & Consultant, Lean Mind
Managed Michael directly ·
Written in Spanish · translated
I have been lucky enough to work side by side with Michael for years, and I have nothing but words of gratitude and admiration for him.
I have seen up close how his professional career began and how he has grown into a senior professional, with sound judgement, initiative and a deep commitment to everything he does. He is proactive and curious, always willing to research, contribute and help the team.
Without a doubt, Michael is an exemplary colleague, one of those it is a pleasure to work with every day. I would work with him again without a second thought.
Adrián Ferrera González
Lead Software Developer & Consultant, Lean Mind
Managed Michael directly ·
Written in Spanish · translated
It is a privilege to have had the opportunity to work closely with Michael, an experience I value deeply in terms of both personal and professional development.
Michael stands out as a professional…
It is a privilege to have had the opportunity to work closely with Michael, an experience I value deeply in terms of both personal and professional development.
Michael stands out as a professional who not only fits perfectly into a team, but also has the unique ability to multiply its collective value and capacity. His presence creates a positive ripple effect that strengthens the team’s structure and resilience.
His contribution rests on three fundamental pillars. He shows undeniable technical excellence; his development work is characterised by its quality, sustainability and robustness, tackling challenges with skills that guarantee effective and scalable solutions. Added to this is his positive leadership; he has innate qualities for raising the group’s performance and is a key piece in creating an optimal, collaborative working environment, which fosters maximum productivity. Finally, faced with any obstacle, he shows an excellent ability to solve problems that combines speed, calm and precision, ensuring that projects move forward without significant delays.
Michael is an asset of incalculable value and a catalyst for success. I strongly recommend his talent and his positive impact to any organisation seeking superior performance, both on the technical side and in the cohesion and teamwork of high-performing teams.
I had the privilege of having Michael as my mentor during my internship, and since then, he has continued to be a constant source of guidance and inspiration in my career. His deep technical knowledge…
Roberto del Pino Hormiga
Backend Developer, SaludOnNet
I had the privilege of having Michael as my mentor during my internship, and since then, he has continued to be a constant source of guidance and inspiration in my career. His deep technical knowledge and ability to explain complex concepts with clarity and pragmatism make him an exceptional teacher and teammate. Every time I face a challenge or have a question, he always takes the time to help, ensuring I not only understand the solution but also the reasoning behind it.
Michael is the kind of developer who combines technical excellence with outstanding soft skills. He’s passionate about clean, maintainable code and has a strong grasp of software design principles and best practices. He has also worked on multiple projects across different sectors, providing him with valuable technical and business knowledge.
Roberto del Pino Hormiga
Backend Developer, SaludOnNet
Michael is a great team player. He is a front-end specialist, but he could other king of things, for example back-end or iac (infrastructure as code).
He has deep knoledge about quality code, he…
Luis Gabriel Rodríguez Alejos
Software Developer, Lean Mind
Michael is a great team player. He is a front-end specialist, but he could other king of things, for example back-end or iac (infrastructure as code).
He has deep knoledge about quality code, he knows a lot of patterns, principles and practices.
He really has very sharped soft skills, he understands the necesities of each team members.
Otherwise, He is a very good teacher and mentor, he has the capacity to teach with pragmatism in mind.
It is a pleasure of working with.
Luis Gabriel Rodríguez Alejos
Software Developer, Lean Mind
I had the privilege of working with Michael for a year on a critical technology migration project, in which we transformed our platform from Nuxt into a modern architecture based on Turborepo with…
Diego Andrades
Technical Project Manager | Teams · Delivery · Product
Written in Spanish · translated
I had the privilege of working with Michael for a year on a critical technology migration project, in which we transformed our platform from Nuxt into a modern architecture based on Turborepo with Next.js.
Michael proved to be much more than a technical consultant. His ability to get deeply involved in strategic decision-making was incredible, always bringing a balanced view between business needs and technical excellence. He not only helped us with the migration, but also became a point of reference for our team.
His experience in Domain-Driven Design (DDD) and Test-Driven Development (TDD) transformed the way we work. Michael did not just recommend practices; he worked side by side with the team, teaching by example and making sure every member understood and adopted these fundamental principles. His teaching approach and his patience in explaining complex concepts were exceptional.
The resulting architecture not only met the technical goals, but also laid solid foundations for the future growth of our product. He helped the team gain autonomy and confidence.
I recommend Michael without hesitation for any project that requires technical evolution, scalable architecture and team development. Michael has deep technical expertise and mentoring skills that set him apart.
Diego Andrades
Technical Project Manager | Teams · Delivery · Product
Written in Spanish · translated
Hello, Michael is a great teammate. I have worked with him and can say that his calmness, professionalism, and technical excellence truly stand out when driving projects forward. In his specialty…
Kevin Hierro Carrasco
Design Thinking | Lean | Craftsmanship
Hello, Michael is a great teammate. I have worked with him and can say that his calmness, professionalism, and technical excellence truly stand out when driving projects forward. In his specialty, front-end development, he is unmatched, which results in happier clients thanks to the high quality of the UI. His seniority is not only technical but also social: he is attentive to the team’s atmosphere and actively seeks feedback to adapt to his role. In addition, he has strong collaborative skills in multicultural environments, which is particularly valuable.
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