Thiago Costa

Full stack Developer

Based in Curitiba, Brazil

Thiago Costa
Pedro M.
Flavio Gimenez
Nur U.
Gustavo S.

4.9

Trusted Worldwide

50+

projects

6+

years of experience

140+

happy clients


I help startups and product teams turn ideas into real, high-performance applications built with clean architecture and designed to grow.

Agentiiv
Zhello · Founder
Codestra · Founder
Zytro - Web and Mobile
Talent Flight
Fit Finance
Wxllspace
How to guides
Lacosta Consórcios

about

about
me

How
Do I Work

01

I prioritize client collaboration, fostering open communication from the very first meeting.

02

I craft sleek, high-performance solutions through research, design, development, and iterative refinement.

My
Skills

01

Front-end Development

98%

02

Backend Development

82%

03

Responsive Design

100%

04

Problem Solving

95%

05

Communication

92%

06

Project Management

85%

07

React & Next.js

96%

My
Tech Stack

GitHub
Contributions

My
Experience

available for work

2025 - 2026

2025 - 2026

Founder & Lead Developer

Agentiiv

Present

Present

Founder & Lead Developer

Codestra & Zhello

1 year and 4 months

1 year and 4 months

Mid-Level Full Stack Developer

WanSoft Brazil

1 year

1 year

Full-stack Developer

Leych company

1 year and 2 months

1 year and 2 months

Full-stack Developer

SCARATTI SOLUTIONS AND TI

8 months

8 months

Full-stack Developer

BRB (BeautyRightBack)

2020 - Present

2020 - Present

Full-stack Developer

Upwork

clients
and partners

4.9 Average Rating

Pedro M.

5

Thiago is one of the best professionals you can have on a team. He's highly proactive and knows exactly how to take ownership of a front-end project, using the best structures and practices in the market to ensure quality and scalability.

Pedro M.

Software Engineer

Flavio Gimenez

5

I had the opportunity to work with Thiago and I can confidently say he is an extremely competent and committed professional. His work as a front-end developer was always marked by quality, attention to detail, and sharp technical skills.

Flavio Gimenez

Software Engineer

Nur U.

5

I had the pleasure of working with Thiago Costa at BRB, where he consistently impressed me with his frontend skills and problem-solving mindset. He writes clean, efficient code and is always ready to support the team.

Nur U.

Software Engineer

Gustavo S.

5

Thiago is an outstanding developer — always dedicated to crafting new solutions and bringing fresh ideas to the table. His ability to build systems from scratch, manage time effectively, and maintain a strong team dynamic clearly stand out.

Gustavo S.

Software Engineer

Diego A.

5

I had the pleasure of working with Thiago at Wansoft and got to witness his incredible problem-solving skills firsthand. I saw him tackle every challenge thrown his way, and when he didn't know the answer, he always found a way to figure it out.

Diego A.

Software Engineer

5

Thiago demonstrated excellent HTML skills and was a pleasure to collaborate with. His technical expertise and professionalism made the development process smooth and efficient.

Jacob F.

CEO

5

Working with Thiago was an excellent experience. He was meticulous with the details and delivered the project within the agreed timeframe. The communication was flawless throughout the process.

Rafael C.

CEO

Pedro M.

5

Thiago is one of the best professionals you can have on a team. He's highly proactive and knows exactly how to take ownership of a front-end project, using the best structures and practices in the market to ensure quality and scalability.

Pedro M.

Software Engineer

Flavio Gimenez

5

I had the opportunity to work with Thiago and I can confidently say he is an extremely competent and committed professional. His work as a front-end developer was always marked by quality, attention to detail, and sharp technical skills.

Flavio Gimenez

Software Engineer

Nur U.

5

I had the pleasure of working with Thiago Costa at BRB, where he consistently impressed me with his frontend skills and problem-solving mindset. He writes clean, efficient code and is always ready to support the team.

Nur U.

Software Engineer

Gustavo S.

5

Thiago is an outstanding developer — always dedicated to crafting new solutions and bringing fresh ideas to the table. His ability to build systems from scratch, manage time effectively, and maintain a strong team dynamic clearly stand out.

Gustavo S.

Software Engineer

Diego A.

5

I had the pleasure of working with Thiago at Wansoft and got to witness his incredible problem-solving skills firsthand. I saw him tackle every challenge thrown his way, and when he didn't know the answer, he always found a way to figure it out.

Diego A.

Software Engineer

5

Thiago demonstrated excellent HTML skills and was a pleasure to collaborate with. His technical expertise and professionalism made the development process smooth and efficient.

Jacob F.

CEO

5

Working with Thiago was an excellent experience. He was meticulous with the details and delivered the project within the agreed timeframe. The communication was flawless throughout the process.

Rafael C.

CEO

Pedro M.

5

Thiago is one of the best professionals you can have on a team. He's highly proactive and knows exactly how to take ownership of a front-end project, using the best structures and practices in the market to ensure quality and scalability.

Pedro M.

Software Engineer

Flavio Gimenez

5

I had the opportunity to work with Thiago and I can confidently say he is an extremely competent and committed professional. His work as a front-end developer was always marked by quality, attention to detail, and sharp technical skills.

Flavio Gimenez

Software Engineer

Nur U.

5

I had the pleasure of working with Thiago Costa at BRB, where he consistently impressed me with his frontend skills and problem-solving mindset. He writes clean, efficient code and is always ready to support the team.

Nur U.

Software Engineer

Gustavo S.

5

Thiago is an outstanding developer — always dedicated to crafting new solutions and bringing fresh ideas to the table. His ability to build systems from scratch, manage time effectively, and maintain a strong team dynamic clearly stand out.

Gustavo S.

Software Engineer

Diego A.

5

I had the pleasure of working with Thiago at Wansoft and got to witness his incredible problem-solving skills firsthand. I saw him tackle every challenge thrown his way, and when he didn't know the answer, he always found a way to figure it out.

Diego A.

Software Engineer

5

Thiago demonstrated excellent HTML skills and was a pleasure to collaborate with. His technical expertise and professionalism made the development process smooth and efficient.

Jacob F.

CEO

5

Working with Thiago was an excellent experience. He was meticulous with the details and delivered the project within the agreed timeframe. The communication was flawless throughout the process.

Rafael C.

CEO

Pedro M.

5

Thiago is one of the best professionals you can have on a team. He's highly proactive and knows exactly how to take ownership of a front-end project, using the best structures and practices in the market to ensure quality and scalability.

Pedro M.

Software Engineer

Flavio Gimenez

5

I had the opportunity to work with Thiago and I can confidently say he is an extremely competent and committed professional. His work as a front-end developer was always marked by quality, attention to detail, and sharp technical skills.

Flavio Gimenez

Software Engineer

Nur U.

5

I had the pleasure of working with Thiago Costa at BRB, where he consistently impressed me with his frontend skills and problem-solving mindset. He writes clean, efficient code and is always ready to support the team.

Nur U.

Software Engineer

Gustavo S.

5

Thiago is an outstanding developer — always dedicated to crafting new solutions and bringing fresh ideas to the table. His ability to build systems from scratch, manage time effectively, and maintain a strong team dynamic clearly stand out.

Gustavo S.

Software Engineer

Diego A.

5

I had the pleasure of working with Thiago at Wansoft and got to witness his incredible problem-solving skills firsthand. I saw him tackle every challenge thrown his way, and when he didn't know the answer, he always found a way to figure it out.

Diego A.

Software Engineer

5

Thiago demonstrated excellent HTML skills and was a pleasure to collaborate with. His technical expertise and professionalism made the development process smooth and efficient.

Jacob F.

CEO

5

Working with Thiago was an excellent experience. He was meticulous with the details and delivered the project within the agreed timeframe. The communication was flawless throughout the process.

Rafael C.

CEO


I help startups and product teams turn ideas into real, high-performance applications built with clean architecture and designed to grow.

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Services

UI/UX Implementation

01

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UI/UX Implementation

I translate Figma designs into pixel-perfect, animated interfaces. Focus on accessibility, responsiveness, and delightful user experiences that convert.

Web Development

02

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Web Development

I build modern, responsive web applications using React, Next.js, and TypeScript. From landing pages to complex web platforms, I create high-performance solutions tailored to your business needs.

API Integration

03

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API Integration

Seamless integration of third-party APIs, authentication systems, and databases. REST, GraphQL, Supabase, and more to power your applications.

Mobile Development

04

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Mobile Development

Cross-platform mobile apps with React Native and Flutter. I deliver native-feel experiences for iOS and Android with clean architecture and optimized performance.

Performance Optimization

05

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Performance Optimization

I analyze and optimize your website or application for faster load times, better Core Web Vitals, and improved user experience across all devices.

Maintenance & Support

06

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Maintenance & Support

Ongoing support for your projects. Bug fixes, updates, feature additions, and technical guidance to keep your product running smoothly.

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project tags

AIenterpriseweb

about work

Your Experts, Amplified. Enterprise-grade AI platform with 100+ specialized agents for every business function—research, competitive intelligence, PowerPoint creation, proposal writing, graphic design, content writing, and more. Beyond chat: contextual projects, secure collaboration, document generation, presentation design, and deep research. SOC2 certified, Canadian data residency, end-to-end encryption. Scale your work, not your work hours. Strategic partner of Canada's Vector Institute. Serves mid-market and regulated industries.

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