Teseo Linares — Front-End Developer

Expertise in Front-End Web (3.5 yr.), React Developer (3.5 yr.).

Last verified on November, 2025

Core Skills

React

6 yr.

Redux-Saga

4 yr.

Bio Summary

An accomplished front-end engineer with a solid foundation in Computer Science from UNAD University and over 6 years of professional experience, including 4 years as a Senior Front-End Developer at Adastra. Demonstrates advanced proficiency in React.js, Redux-Saga, Vue.js, Angular.js, and modern web development with a proven track record of leading the development of scalable, responsive, and high-performance web applications. Notable achievements include spearheading a migration to microservices architecture, yielding a 40% reduction in system downtime. Possesses in-depth knowledge of cloud services (AWS), CI/CD methodologies (Jenkins), and containerization (Docker). The engineer's programming toolkit encompasses a diverse set of languages and utilities such as Typescript, Docker, and Node.js, as well as experience with blockchain technologies like Solidity and web3.js, enabling the delivery of comprehensive end-to-end web solutions.

Technical Skills

Programming Languages	Java, PHP, Python, TypeScript
JavaScript Frameworks	Angular, Ext JS, Node.js, React, Vue.js
C++ Libraries and Tools	C/C++/C#
JavaScript Libraries and Tools	Ethers.js, React Native, Redux-Saga, Styled components, Web3.js
PHP Frameworks	Laravel
.NET Platform	.NET
Databases & Management Systems / ORM	MongoDB, MySQL, SQL
UI Frameworks, Libraries, and Browsers	CSS3, Styled components, Tailwind CSS
Version Control	BitBucket, Github Actions
Virtualization, Containers and Orchestration	Docker, Kubernetes
BlockChain and Decentralized Software	Ethers.js, ETH (Ethereum blockchain), Smart Contract
Methodologies, Paradigms and Patterns	FDD, SOLID
Operating Systems	iOS

Work Experience

Senior Front-End Developer, Scalable Web Application Development

Duration: January 2020 - January 2024

Summary: Lead developer driving the migration from monolithic applications to microservices architecture resulting in a 40% reduction in system downtime.

Responsibilities: Leading development of scalable web applications, migrating to microservices, managing cloud infrastructure, implementing CI/CD pipelines

Technologies: React.js, Vue.js, Angular.js, Redux-Saga, Styled components, AWS, Jenkins

Junior Front-End Developer, Front-End Web Application Enhancement

Duration: October 2017 - October 2019

Summary: Contributed to front-end development, optimizing system efficiency through reusable components and implementing complex state management solutions.

Responsibilities: Developing web applications, translating wireframes to interactive UIs, improving code quality and efficiency, architecting state management solutions using Redux-Saga

Technologies: HTML, CSS, JavaScript, React.js, Redux-Saga

Education

(UNAD University)

duration: 2013-2017

Computer Science

How to hire with Upstaff

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Teseo Linares
or someone with similar Skills?

Book a call with Teseo Linares

Start Hiring