Icaro Niz

Technical Lead / Front-End Developer

I build scalable web applications with a strong focus on JavaScript ecosystems, clean architecture, and team excellence.

Currently working as a Technical Lead, I combine hands-on development with technical decision-making, mentoring, and system design.

What I Do

  • Front-end architecture with React & modern frameworks
  • Scalable backend systems with PHP & Symfony
  • CI/CD and DevOps practices
  • Agile development (TDD, Pair Programming, DDD)

Core Technologies

JavaScript (React, Next.js, AngularJS)
PHP (Symfony)
Docker, RabbitMQ, WebSockets
MySQL, Redis
GitLab CI/CD, Azure

Philosophy

I believe in:

  • Clean, maintainable code
  • Strong team collaboration
  • Continuous improvement through Agile practices

Find me online

About Me

I’m a Software Developer and Technical Lead based in Spain, specialised in web applications and modern JavaScript ecosystems.

I enjoy solving complex problems and continuously improving both codebases and team processes.

Background

I have worked across multiple companies delivering solutions in:

  • Sports betting platforms
  • B2B enterprise applications
  • Mobile and web applications
  • Legacy system modernisation

Interests

Outside of coding:

  • Rock music & bass guitar
  • Drone flying
  • Rubik’s cubes
  • LEGO building

Mindset

I’m passionate about:

  • Agile methodologies
  • Test-driven development
  • Clean architecture
  • Continuous learning

Experience

Technical Lead / Front-End Developer

KenTech S.L.U. (2022 - Present)

  • Leading front-end technical decisions and architecture
  • Participating in recruitment and mentoring developers
  • Improving legacy systems with automated testing (TDD)
  • Integrating third-party services (e.g. SportsRadar)
  • Driving internal tooling and documentation improvements

Full-Stack Developer

Apiumhub (2021 - 2022)

  • Developed B2B applications for international clients
  • Worked with .NET backend and React frontend
  • Deployed systems using Azure infrastructure
  • Practiced coding katas and Agile development

Front-End Developer

KenTech (2019 - 2021)

  • Developed features for a large-scale betting platform
  • Integrated multiple third-party services
  • Worked in Scrum teams with pair programming

Earlier Experience

  • Full-Stack Developer - Inventia Plus
  • Web Developer - Chapp Global
  • Head of Development - Domibay

Projects

Betting Platform Architecture

Worked on scalable front-end systems connected to microservices and real-time data providers.

B2B Enterprise Application

Developed a React + .NET system deployed on Azure with CI pipelines.

Internal Developer Tools

Created tools to improve workflows, automation, and team productivity.

What I Enjoy Building

  • Scalable front-end architectures
  • Real-time applications
  • Developer tooling
  • Clean and maintainable systems

Contact

Feel free to reach out: