Darlan Costa Email & Phone Number

Porto, Portugal

I have contributed to impactful global projects, such as implementing a comprehensive financial management system that served thousands of clients worldwide and processed millions of transactions. Currently, I am actively collaborating with teams based in Europe, leveraging technologies like TypeScript, React.js, Node.js API, and AWS services on a daily basis.One notable achievement includes successfully migrating a critical system from jQuery to React.js. This migration prioritized the retention of essential business rules and ensured the seamless operation of the core application. Through robust testing strategies, we achieved a remarkable 50% reduction in payment processing time for our suppliers.Additionally, I spearheaded the integration of a mobile sales system using TypeScript, React Native, Node.js, and AWS Cloud Services. This dynamic solution enhanced mobility within the fast food industry, providing efficient point-of-sale and payment processing functionalities.

Franca, São Paulo, Brazil

As a versatile developer proficient in both front-end and back-end technologies, I have successfully tackled diverse projects. In one project, I developed a comprehensive system for tracking the cattle life cycle, where I utilized React Native for the mobile app, React.js for the web panel, and Node.js for the API. This system garnered over 1,000 downloads within the first week of its launch on the Play Store, providing real-time information to users.In another project targeting the marketing industry, I created a female-oriented social network that facilitated group formation and engagement. For this, I utilized AWS Lambda for the API and React.js/Next.js for the web interface, alongside React Native for the mobile app. This project was successfully delivered within a tight six-month deadline and was capable of supporting up to 10,000 users.

Franca, São Paulo, Brazil

Implemented an in-house application integrated with the existing system to reduce high equipment rental costs. It involved many business rules and required total accuracy in information, which was very challenging. Ultimately, the application led to a 28% reduction in inventory costs destined for equipment rentals, resulting in significant savings for the company.

Franca, São Paulo, Brasil

Created a software solution designed to facilitate tax invoice calculations. This project entailed the meticulous development of software in strict adherence to the provided federal layout specifications, integrated with Delphi components, and specialized skills. As a result of this concerted effort, we not only successfully met the government's deadline but also achieved the seamless generation of an average of 900 invoices per month, effectively fulfilling our compliance obligation.

Franca, São Paulo, Brasil

As a software developer, I specialize in:• Crafting custom applications to meet client needs • Conducting thorough code reviews for quality assurance• Collaborating within agile teams for efficient project delivery• Providing client support and technical guidance• Solving complex problems with precision• Fostering innovation to drive continuous improvementIn addition, we developed a software controller to manage the service order cycle, optimizing maintenance attendance and improving the service time team by 35%.

Franca, São Paulo, Brasil

I was tasked with implementing features, resolving bugs, and maintaining existing codebases. This experience provided me with valuable exposure to a range of technologies, including JavaScript, HTML, CSS, Delphi, and SQL. Through this role, I gained foundational knowledge and practical experience in software development practices, laying the groundwork for my subsequent professional growth and development.Additionally, I actively participated in developing credit card conciliator software, which led to a 40% reduction in processing time, highlighting my capacity for impactful solutions and operational efficiency.