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I am a backend software engineer with nearly a decade of experience designing and building scalable backend systems using Java and Spring Boot. I specialize in microservices, event-driven architectures, and cloud-native solutions on AWS. I enjoy leading technical initiatives, improving delivery pipelines, and collaborating with cross-functional teams to deliver reliable, high-quality products.…

Igor Tullio Santa Ana

Back-End Developer, Full Stack Developer, Web Developer, +2

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I am a backend software engineer with nearly a decade of experience designing and building scalable backend systems using Java and Spring Boot. I specialize in microservices, event-driven architectures, and cloud-native solutions on AWS. I enjoy leading technical initiatives, improving delivery pipelines, and collaborating with cross-functional teams to deliver reliable, high-quality products.…

Available to hire

I am a backend software engineer with nearly a decade of experience designing and building scalable backend systems using Java and Spring Boot. I specialize in microservices, event-driven architectures, and cloud-native solutions on AWS.

I enjoy leading technical initiatives, improving delivery pipelines, and collaborating with cross-functional teams to deliver reliable, high-quality products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Fluent

Work Experience

Backend developer at Prudential (Capco)

May 1, 2025 - Present

Developed microservices in Java 21 with Spring 3 for internal system integrations; designed RESTful APIs; worked with MongoDB; implemented asynchronous communication using Kafka; leveraged AWS services (S3, Athena); participated in code reviews, testing strategies, and agile ceremonies.

Backend developer at Instivo

February 1, 2023 - April 1, 2025

Tech lead for microservices handling multitenancy, users, roles and permissions; designed solutions based on ports and adapters architecture, DDD and event-driven using Java 17 and Spring 3; deployed and maintained services on AWS (ECS, SQS, SES, S3, API Gateway); improved CI/CD pipelines and reduced deployment-related errors by ~25%; implemented unit and integration testing with ~90% code coverage.

Full-stack developer at Vamo

January 1, 2022 - January 1, 2023

Developed and maintained backend microservices (Java 17, Spring) for NFT-based ticket transactions and Web3 user data (Solana); built frontend applications with Next.js; maintained legacy systems (Scala, Play Framework); conducted code reviews and helped onboarding; created a new backend platform to manage registrations in the web3 area.

Backend developer at B2W Digital

February 1, 2021 - December 1, 2021

Developed backend systems for transport management using Java 8 (EJB) and Oracle; built adjacent Spring/Java 16 microservices for email sending and invoice generation; managed deployment pipelines and monitoring via AWS, Kibana, and New Relic; designed and implemented a WhatsApp geolocation integration to improve driver–distribution center communications.

Full-stack developer at STJ (Global Web)

April 1, 2019 - February 1, 2021

Developed, migrated and tested systems for the Superior Court of Justice (STJ) using Java 11 with Spring; built frontend applications with Angular 11; managed DB2 operations; implemented CI/CD pipelines via GitLab.

Full-stack developer at BASIS

June 1, 2018 - April 1, 2019

Developed SSO applications in Java/Spring using the CAS protocol, LDAP and JDBC; created and customized authentication flows with Spring Web Flow; integrated SSO with Jenkins, Gogs, Jira and Rancher using Thymeleaf and vanilla JavaScript.