Lefteris Profile Picture

SeCre

Web & Software|

Work

Check out some of my projects

Mani's Bakery

Gastby / Contentful

Wealthyhood

Mani's Bakery

React/Nest.js/Express/Postgre with Microservice architecture

Energy Live

Mani's Bakery

Next.js

Mani's Bakery

Mani's Bakery

Socket IO Angular/Express/MongoDB

Trello Clone

Mani's Bakery

Graphic Designer Landing Page

Anastasia Psoinou

Mani's Bakery

Full Stack App with CLI

Fast Charger

Stack

Technologies that I usually work with.

Front-end Development

Developing fast & modern web apps with best practices.

Languages I speak:

HTML5, SCSS, TypeScript

Frameworks & Tools:

  • React - Next.js - MUI
  • Vue - Tailwind
  • Angular - Ionic
  • Jest - Mocha - Chai
  • Git & GitHub

Back-end Development

Building maintainable servers that solve complex problems optimally.

Languages I speak:

Node.js, Python, NoSql, SQL

Frameworks & Tools:

  • Express - Nest.js
  • Fast API
  • Postgres - MongoDB
  • Docker
  • Linux Terminal

About me

Let's finally meet!

I'm Lefteris Oikonomou, a Full Stack Developer hailing from the sunny shores of Greece.

I hold a Master's in Computer Science from NTUA and have spent the last few years immersed in the dynamic world of coding.

Influenced by my business background, my development approach is solution-focused. I strive not just to code, but to create value-adding solutions that address real-world challenges.

Here, you're seeing some of the personal projects I've worked on. From intricate back-end puzzles to slick front-end applications.

Posts

Be an Adaptable Software Engineer in every Market
Tech4 minutes read
Be an Adaptable Software Engineer in every Market

Stay adaptable as a software engineer by mastering first principles thinking and pattern recognition to. Learn to deeply understand core concepts, adapt to any technology, and build evergreen engineering skills.

Author Portrait
Lefteris OikonomouMarch 13 2025
My plans are a waste of time. And probably yours, too.
Mindset2 minutes read
My plans are a waste of time. And probably yours, too.

Say goodbye to endless planning. Discover actionable tips and a high-leverage rule of thumb that drives effective goal achievement.

Author Portrait
Lefteris OikonomouFebruary 25 2025
How much does a developer make? | Developer Salaries 2025
Tech3 minutes read
How much does a developer make? | Developer Salaries 2025

See the salary of a developer. Find out how the developer's specialty affect his salary. Discover the first salary for a programmer.

Author Portrait
Lefteris OikonomouJanuary 28 2025

Contact

Get in touch.

In the world of technology, it's not just about coding. It's about creating solutions that make a difference. Let's build, innovate, and solve problems together.