Hi, I'm Gabriel Melo Costa, a software engineer with eight years of experience specializing in full-stack development. I am passionate about creating efficient and reliable applications, primarily working with technologies like C#, Node.js, and Angular. Throughout my career, I've worked in diverse industries including financial markets, logistics, and telecommunications. I enjoy tackling complex problems, collaborating with teams, and delivering impactful results that help businesses thrive. I take pride in not only writing solid code but also understanding the broader business needs, which helps me contribute beyond just software development. As a proactive problem solver and a technical leader, I enjoy mentoring and facilitating team growth. Whether I'm leading a project or developing a critical feature, I aim to be approachable, collaborative, and always eager to learn and share knowledge.

Gabriel Melo Costa

Hi, I'm Gabriel Melo Costa, a software engineer with eight years of experience specializing in full-stack development. I am passionate about creating efficient and reliable applications, primarily working with technologies like C#, Node.js, and Angular. Throughout my career, I've worked in diverse industries including financial markets, logistics, and telecommunications. I enjoy tackling complex problems, collaborating with teams, and delivering impactful results that help businesses thrive. I take pride in not only writing solid code but also understanding the broader business needs, which helps me contribute beyond just software development. As a proactive problem solver and a technical leader, I enjoy mentoring and facilitating team growth. Whether I'm leading a project or developing a critical feature, I aim to be approachable, collaborative, and always eager to learn and share knowledge.

Available to hire

Hi, I’m Gabriel Melo Costa, a software engineer with eight years of experience specializing in full-stack development. I am passionate about creating efficient and reliable applications, primarily working with technologies like C#, Node.js, and Angular. Throughout my career, I’ve worked in diverse industries including financial markets, logistics, and telecommunications. I enjoy tackling complex problems, collaborating with teams, and delivering impactful results that help businesses thrive.

I take pride in not only writing solid code but also understanding the broader business needs, which helps me contribute beyond just software development. As a proactive problem solver and a technical leader, I enjoy mentoring and facilitating team growth. Whether I’m leading a project or developing a critical feature, I aim to be approachable, collaborative, and always eager to learn and share knowledge.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Intermediate
Portuguese
Fluent

Work Experience

Senior Software Engineer at Kwan, Porto, Portugal
March 1, 2025 - June 18, 2025
Worked in the pharmaceutical sector managing and developing a system running in pharmacies throughout Portugal. Responsibilities ranged from recording transactions for buying and selling products to managing laboratory tests performed at the pharmacy using FHIR standards.
Technical Leader at Itaú, São Paulo, Brazil
August 1, 2024 - March 1, 2025
Led a team of five developers and one QA in managing the system handling buy and sell investment fund papers of the second biggest bank in Brazil by net revenue and valuation. Designed and modeled the database process to send buy/sell orders to an external system responsible for concluding operations.
Technical Leader at Vórtx, São Paulo, Brazil
November 1, 2023 - February 1, 2024
Led a team of six developers and one QA, improving team performance by 10% using metrics such as Cycle Time and Lead Time. Conducted code reviews, developed bi-annual Individual Development Plans aligned with company goals, created event-based alerts for monitoring, and automated external custody payment processes using AWS Lambdas and Step Functions, increasing daily payments fivefold while reducing operational errors.
Full Stack Engineer at Vórtx, São Paulo, Brazil
January 1, 2020 - November 1, 2023
Designed and implemented serverless solutions to improve availability and performance of investment portfolio visualization systems with significant uptime improvements. Contributed to an open-source Node.js project focused on domain-driven design, created a tokenization platform converting 120 million reais using AWS serverless architecture, and digitized investment fund onboarding, improving processing speed and reliability by 10%.
Fullstack at FIT / Verifone, Sao Paulo
August 1, 2017 - January 1, 2020
Designed solutions and applied platforms for repairing credit card machines, maintained a mobile application handling 5000 daily service requests, engineered a platform for collecting credit card machines via postal services, and maintained microservices REST APIs written in C# using .NET Framework and Core.
Fullstack at TotalIP, Sao Paulo
February 1, 2017 - August 1, 2017
Designed email manager systems with email blast campaigns using Ruby on Rails and PostgreSQL, and developed proof of concept for telemarketing and IVR systems.
Senior Software Engineer at Kwan, Porto, Portugal
March 1, 2025 - June 8, 2025
Worked in the pharmaceutical sector managing and developing systems used by pharmacies in Portugal. The system supports recording transactions related to buying and selling products and management of laboratory tests conducted in pharmacies using FHIR standards.
Technical Leader at Itaú, São Paulo, Brazil
August 1, 2024 - March 1, 2025
Led a team of six members (five developers and one QA) responsible for the system handling buy/sell orders of investment fund papers (Funds of Funds) for the second largest bank in Brazil by net revenue and valuation. Designed and modeled database processes for sending orders to external systems closing transactions.
Technical Leader at Vórtx, São Paulo, Brazil
November 1, 2023 - February 29, 2024
Led a team of seven, improving team performance by 10% using metrics like Cycle Time and Lead Time. Conducted code reviews for production deployment ensuring quality. Developed individual development plans to address technical gaps, created event-based alerts using New Relic and Grafana for proactive monitoring. Automated payment processes scaling daily payments from 50 to 250 using AWS Lambdas and Step Functions to reduce errors and man-hours.
Full Stack Engineer at Vórtx, São Paulo, Brazil
January 1, 2020 - November 1, 2023
Designed and implemented serverless solutions utilizing AWS SNS and SQS for investment portfolio visualization systems, greatly improving stability (uptime from 90% to 98%). Contributed to open-source project HerbsJs accelerating development speed by 10-15%. Created a tokenization platform converting 120 million reais through three issuances using serverless architecture. Digitized investment fund onboarding process increasing speed and reliability by 10%.
Fullstack Developer at FIT / Verifone, Sao Paulo
August 1, 2017 - January 1, 2020
Designed repair platforms for credit card machines, managed order service mobile applications handling 5000 requests daily, integrated credit card machine mail recovery with postal services, and maintained microservices REST APIs in C# (.NET Framework/Core). Utilized ORM Dapper for database data retrieval.
Fullstack Developer at TotalIP, Sao Paulo
February 1, 2017 - August 1, 2017
Developed customer service software supporting robots, humans via voice, chat, WhatsApp, Telegram, and social networks. Designed email manager systems with email blast campaigns built on Ruby on Rails and PostgreSQL on-premises cloud. Created proof of concept for telemarketing and IVR systems.

Education

Bachelor at IFSP, São Paulo - Brazil
January 1, 2013 - December 31, 2016
Technical Course at ETESP, São Paulo - Brazil
January 1, 2013 - December 31, 2013
Bachelor at IFSP, São Paulo - Brazil
January 1, 2012 - December 31, 2016
Technical Course at ETESP, São Paulo - Brazil
January 1, 2010 - December 31, 2013

Qualifications

Certificate in AWS Cloud Practitioner
January 1, 2025 - December 31, 2025
Certificate in Management 3.0
January 1, 2022 - December 31, 2022
Software Architect Certificate
January 1, 2021 - December 31, 2021
Certificate in CPA-20 (Financial institution certificate)
January 1, 2020 - December 31, 2020
Certificate in AWS Cloud Practitioner
January 1, 2025 - December 31, 2025
Certificate in Management 3.0
January 1, 2022 - December 31, 2022
Software Architect Certificate
January 1, 2021 - December 31, 2021
Certificate in CPA-20 (Financial institution certificate)
January 1, 2020 - December 31, 2020

Industry Experience

Financial Services, Telecommunications, Transportation & Logistics, Software & Internet, Healthcare

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate

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