Leonardo Almeida Email & Phone Number

Java developer working on the back-end of Flex Finance (getflex.com) app.- Developed and implemented several business-critical features, including new REST APIs (Spring Boot) and Kubernetes cron jobs, along with encryption and hashing of sensitive data, significantly enhancing customer satisfaction while reducing churn and operational risk.• Reduced load on microservices by up to XX% by using caching and other strategies • Reduced cloud infrastructure costs by up to XX%

Rio De Janeiro Area, Brazil

PTA is a leader in aerial work platforms. In 2014 it was considered the 13th fastest growing small/medium company in Brazil in a Deloitte study.• Planned and created a startup from the PTA Rental business, with the goal of reducing maintenance costs through innovation on Telematics.• Conceptualized, orchestrated, and executed the end-to-end development of a telematics solution currently monitoring XX% of PTA's fleet. • Built both the telematics software (Java, Spring Boot, Node, Netty, MySQL, MongoDB, Grafana, AWS) and the device prototype (Arduino, C/C++), using TCP-based protocols (REST/TCP sockets) for their communication.• Implemented all features of the embedded software, including: GPRS communication using low level libraries for the SIM808 chipset, serial communication between the main module and the modem, smoothed reading of analog signals and the protocol between the prototype device and the backend server.• Established and led PTA's first branch in Rio de Janeiro increasing PTA´s revenues by XX%.

London, United Kingdom

• Led the development of several impactful greenfield projects, prominently the Insight platform, a crucial web application providing trading and market information across 8,000 markets.• Developed several Java projects, primarily adopting microservices architecture, utilizing a tech stack that encompassed Tomcat, Spring, Apache Lucene, JAXB, Oracle, and more• Boosted team throughput by ~20% with Kanban and 1-week sprints, reducing high-priority feature waiting time by 50%• Integrated third-party APIs (e.g., Reuters, Autochartist) with robust resilience strategies, including caching and design patterns (e.g., Bulkhead, Circuit Breakers), ensuring smooth handling of third-party failures and meeting uptime requirements• Led teams of up to 12 members, coordinating the efforts of team members across multiple functions (QA, Dev, PM, Architects) and across various teams (Dev, Infrastructure, DevOps, Content).• Hired multiple engineers and fostered their growth through the GROW coaching model, resulting in highly effective software engineers.

London, United Kingdom

• Successfully implemented Single Sign-On, enabling seamless navigation across IG's web applications for tens of thousands of concurrent users.• Provided mentoring to developers ranging from graduate to mid-level, enhancing their skills

London, United Kingdom

• Advocated for and introduced new team practices and tools such as compulsory code reviews, coding standards (enforced via Checkstyle), and test coverage reports (via Clover) which elevated the team´s code quality and reduced defects• Developed new features and adapted existing ones in the Account Opening team allowing IG to quickly expand to new countries and smoothly adapt to new regulations and business rules. The project tech stack was Java Servlets, Weblogic, Rest, Linux and Oracle• Assumed responsibility for off-hours production support and troubleshooting• Provided mentoring to developers ranging from graduate to mid-level, enhancing their skills

London, United Kingdom

Software engineer working on the development of a distributed, multi-tiered, mission critical ETRM application. The main activities included:- Java Development in an mature development process including agile practices as sprint based iterative development, continuous integration, unit testing/TDD, pair programming, peer code reviews, stand up meetings, retrospectives, coding standards and others.- Technical leadership, including the delivery of a module implementing the whole invoicing functionality of the application. - Supporting the application in production environment, training the support team and reviewing/updating technical documentation.

Rio De Janeiro Area, Brazil

Software engineer working on the development of a distributed, multi-tiered, mission critical ETRM application. The main activities included:- Java Development in an mature development process including agile practices as sprint based iterative development, continuous integration, unit testing/TDD, pair programming, peer code reviews, stand up meetings, retrospectives, coding standards and others.- Technical leadership, including the delivery of a module implementing the whole invoicing functionality of the application. - Supporting the application in production environment, training the support team and reviewing/updating technical documentation.

Rio De Janeiro Area, Brazil

Java developer working on:The web based system responsible for auditing the amount of `national content` present in the products of the Oil & Gas Brazilian industry.The software responsible for controling the cars and trucks used by the company responsible for the cleaning and garbage collection of the Rio de Janeiro city.The web based system responsible for supporting one of the credit analysis processes of the National Bank for Economic and Social Development (BNDES) of Brazil.

Rio De Janeiro Area, Brazil

Research assistant, working for the Applied Mathematics Lab as the java developer responsible for modeling and implementing the mathematical kernel of the Dynamic Geometry tool “Tabulae”.Administrator of the Linux server used to support the project.

Bachelor Of Computer Science (Bsc), Computer Science

Activities and Societies: The Linux ClubA five-year multi-disciplinary course, ranked as the #7 Computer Science program in Latin America,

Problem Solving Leadership (Psl), Leadership

5-day leadership workshop with renowned agile experts Gerald Weinberg, Johanna Rothman and Esther Derby in Albuquerque, New Mexico.