I am looking for opportunities that allow me to design and deploy end-to-end web and AI solutions, in multidisciplinary teams or as a freelancer, prioritizing quality, security, and continuous learning.
MC
Looking for a job
Miguel Ángel Cárdenas
@miguelngelcrdenas
AI Engineer & Full-Stack Web Developer with 20+ years building secure, production-ready web and AI solutions.
SpainWhat I'm looking for
I am a Full-Stack Developer and AI Engineer with over 20 years of experience in web projects and a recent focus on applied Artificial Intelligence, from concept to deployment and continuous evolution.
I am trained in AI Engineering (KeepCoding) and have mastered the current AI stack: prompt engineering, intelligent agents, RAG, fine-tuning, LangChain, OpenAI, HuggingFace, and deployments on AWS, combining this with solid experience in backend and frontend.
I have worked both as a freelancer at Nexus Code and in companies (Applus+, YOU & US, Arbor Fintech, Smartyhub) delivering web solutions, refactoring backends, and developing eLearning products and network management applications.
My professional approach prioritizes a comprehensive vision, quality and security (TDD, DevSecOps), effective collaboration with stakeholders, and continuous learning to add value from requirements and UX to monitoring and optimization.
Experience
Work history, roles, and key accomplishments
AP
Current
AI Engineer / Full Stack
Applus+
Dec 2022 - Present (2 years 9 months)
Developed web solutions for network management and monitoring using PHP, Python and JavaScript, improving operational tracking and data access for internal teams.
NC
Current
Full Stack Web Developer
Nexus Code
Jul 2010 - Present (15 years 2 months)
Provided end-to-end analysis, development and maintenance of web applications as a freelance full-stack developer for diverse clients over multiple projects.
YS
Main Developer
You & Us S.A.
Jun 2015 - Mar 2024 (8 years 9 months)
Led development of eLearning solutions for major pharmaceutical clients, delivering platform features and integrations that supported training programs and compliance.
AF
Back-end Developer
Arbor Fintech
Oct 2021 - May 2022 (7 months)
Performed backend development, maintenance and refactoring to improve code quality and reliability of financial services systems.
SM
Full Stack Web Developer
Smartyhub
Apr 2016 - Jul 2017 (1 year 3 months)
Delivered full-stack and WordPress development work, building and maintaining web products and client sites.
DS
Analyst Programmer & CEO
Desarrollos y Diseños de Internet, SL
May 2003 - Jul 2010 (7 years 2 months)
Managed the company and developed .NET full-stack web applications, handled client support, sales and supplier relationships to deliver custom solutions.
VM
Analyst Programmer
V&S Multimedia
Dec 2000 - May 2002 (1 year 5 months)
Developed Microsoft-based web applications (ASP, JavaScript, SQL Server) and delivered client projects including online schedules and embedded configuration tools.
SE
Analyst Programmer
Sermicro
Jun 1999 - Jul 2000 (1 year 1 month)
Analyzed requirements, led a development team and provided client support building VB6 applications with SQL Server for major clients like Telefónica and municipal projects.
Education
Degrees, certifications, and relevant coursework
ISIBM SkillsBuild
Certificate, Version Control
2025 - 2025
Grade: 7
Activities and societies: Programming with Python
Programming with Python
KEKeepCoding
Certificate, Application Security
2020 - 2020
Grade: 10
Activities and societies: Practices and methodologies for developing secure web applications
Enrolled in 'Desarrollo seguro de aplicaciones' focused on secure application development practices.
FO
Founderz
Certificate, Artificial Intelligence
2025 -
Enrolled in an online course 'Introducción a la IA y Prompt Engineering'.
KEKeepCoding
Certificate, AI Engineering
2025 - 2025
Completed the AI Engineering intensive course at KeepCoding focused on AI engineering, LLMOps, prompt engineering, and deployment tools.
KEKeepCoding
Certificate, User Experience
2020 - 2020
Completed a UX (user experience) course focused on user-centered design principles and UX practices.
UDUdemy
Certificate, Progressive Web Applications
2020 - 2020
Completed a course on Progressive Web Applications (PWA) as Udemy alumni.
KEKeepCoding
Certificate, Full Stack Web Development
2019 - 2020
Completed the Full Stack Web Developer program covering progressive web applications and modern web development practices.
UDUniversidad Nacional de Educación a Distancia
Certificate, Big Data
2015 - 2015
Completed a Big Data course for community managers at UNED focused on data concepts applicable to community management.
IB
I.E.S. Juan Bosco
Técnico Superior en Desarrollo de Aplicaciones Informáticas de Gestión, Software Development
1997 - 1999
Completed the Técnico Superior en Desarrollo de Aplicaciones Informáticas de Gestión vocational program.
Tech stack
Software and tools used professionally
Availability
Looking for a job
Location
SpainAuthorized to work in
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