Caio Martins

Working as Senior Java Engineer and Tech Lead (For EPO) in financial institutions. – Client: Swift (2024-2025) – SWIFT's transaction manager works upon an abstraction microservice layer servicer that needed to be involved concerning quality. So it was developed (from scratch) a project that would deploy some applications in order to export reposts about the functioning of those components. Those reports were integrated with Jenkins/Maven to run every night and release. – All development was done in the Linux environment. – The squad had 6 developers, 1 product owner/scrum master and an agile coach. – Client: Belfius (2022-2023) – Belfius had a big Java monolith that was in charge of sending communication to clients (SMS, Email and Printed Letters). The project was to migrate this software to a microservices architecture running on AKS (Azure Kubernetes). – My job was to work close to architects and the business area to develop this new microservices version. – Our squad had 4 developers, 1 scum master and 1 business analyst. – Client: European Patent Office (2022) – Tech lead of the back-end services squad of their patent system (Back-end services) – Define Solutions aligned with the business – Coach more inexperienced developers – Using Agile methodologies – Fixing Jenkins pipelines – Development inf Java using RMI

In charge of “Real-time bank transfers" and "Assets Recovery “squads, my responsibilities were: – Find the best solutions aligned with the business – Help to define the product roadmaps – Using Agile methodologies (with JIRA) – Communicate with other squads (Including outside companies) to achieve the project's goals

Advising on software architecture, system performance, and incident resolution in production environments. – Design, development, and integration of microservices and REST APIs. – Collaboration with external clients based in the USA to define requirements and give support to them

Companies' details and projects are shown below: – Client: Seguros Sura (Insurance company) – Development of a system to manage Transport Insurance contracts. – Migration from a Java 5/6 with HTML/Javascript system to a new brand architecture with Angular and REST microservices made with Spring boot running in AWS with Docker and deployed with Jenkins. – Test Driven-Development (TDD) – Scrum agile used as development methodology – Client: Interfile (Insurance company) – Our client was a company that analyses Health Insurance Documents to allow or reprove payments from clients that go to Hospitals using their insurance. – Development of a Front-end in Angular with a backend written in Java 8 and a middleware called Camunda to make the process management – Development of a service to receive document images and store them in an Azure Cloud. – System developed in a Micro-services and REST API -System designed to handle thousands of processes (Up to 2000 per day). – Scrum agile used as development methodology – Client: Livelo (Credit Cards Rewards Company) – Livelo is a loyalty point exchange company where you spend money on your credit card, and it turns into points you can exchange for products and air tickets. – The project was to migrate the whole system from old technology to modern ones using Scrum.

Sodexo was modernising their main ordering system and I was the solution architect in charge of the new design. – I worked closely with the infrastructure team, business areas and other architects in order to achieve the best solution. Also, I actively participated in hours/cost estimations for premises and cloud. – Architecture Team about Web and Innovation Projects.

Client: Redecard – Building from scratch a system to update Credit Card Machines. My goal was to design and code this system. The main requirement is performance since Rede (Redecard) had to handle updates of up to 4 million POS (Credit card machines). Network knowledge, such as message exchange over sockets. Security, reliability, and multi-threading were also important requirements. – Gathering requirements with the client – Designing and defining solution – Supervision of of 2 developers – Implementation – Documentation – Obs: It was a short-term 3 months project (That was already agreed with the client before starting it)

Several projects were developed in a telecom company using Oracle Suite to develop them to run in Oracle Service Bus. Seven projects were delivered.

Pre-sales, performance analysis, and software bug correction for several clients. (One client at times). From Banks to Insurance companies.

Responsible for three projects in the Banking Industry. Over this period, I managed teams of 3 up to 7 people for a modernisation project of Bradesco Bank. – In charge of solution design, team supervision (technically), and project scheduling.