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Alex Lima de Oliveira Gama

Java Backend Developer · Brazil, Rio de Janeiro

Profile 93% complete
$40–70/hour expected Open to opportunities
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Professional Snapshot

Java Backend Developer with over 5 years of experience at IBM, specialized in building, maintaining, and modernizing REST APIs and microservices using Java, Spring Boot, and Quarkus for high-criticality projects in banking, insurance, agribusiness, and telecom sectors. Hands-on experience across the entire SDLC, including messaging (RabbitMQ, IBM MQ), relational and NoSQL databases (Oracle, MongoDB, Redis), CI/CD pipelines, and cloud environments (Azure, AWS, OpenShift). Agile-minded professional with strong troubleshooting skills and advanced English proficiency.

Preferred roles

Java Backend Developer | Spring Boot, Quarkus & Microservices | Cloud & API Integration

Work preferences

100% Remote, available for CET working hours. Open to B2B contracting or independent professional arrangements.

Availability

Immediately (Available to start right away)

Typical response

Within 24 hours (or same-day during business hours)

Relocation

Willing to relocate

Featured Projects

E-Agro Platform (Bradesco) Tech Stack: Java, Spring Boot, Quarkus, Oracle, MongoDB. Description: Developed and maintained microservices for a digital agribusiness platform under high-criticality environments, tight deadlines, and rigorous enterprise standards. Asset Portability and Capital Markets (Banco do Brasil & B3) Tech Stack: Java, Spring Boot, Oracle, Redis, Legacy System Integration (COBOL/Curió). Description: Evolved backend services related to asset portability and capital market operations, ensuring full technical compliance with B3 requirements and standards. Insurance Systems Modernization (Bradesco Seguros) Tech Stack: Java, Microservices, Design Patterns. Description: Rebuilt and modernized legacy backend architectures into a scalable microservice-based environment, focusing on long-term maintainability and service evolution. Telecom Channels and Integrations (Oi) Tech Stack: Java, Spring Boot, Spring Cloud, Meta WhatsApp APIs, ELK Stack (Elasticsearch, Logstash, Kibana). Description: Developed microservices and REST APIs, including WhatsApp API integration, alongside production monitoring, defect tracking, and observability setup using the ELK stack.

Certifications & Training

Microsoft Certified: Azure Fundamentals (AZ-900) | Microsoft (Jan 2024) IBM Generative & Agentic AI Foundation | IBM IBM watsonx Essentials | IBM (Oct 2024) Banking Industry Jumpstart | IBM (Oct 2024) Enterprise Design Thinking Practitioner | IBM (Aug 2023) IBM Agile Explorer | IBM (Sep 2021) Cloud Native Security Conference - Data Security | IBM (Sep 2021)

Languages

Portuguese: Native English: Advanced (Fluent for technical collaboration and international environments)

Professional Links

Details

Gender

Male

Age range

25-34

Email

alex•••••@•••••••.com

Phone

•••••••5681

Address

R. Oct••••••••••••••••••••••••••••

Experience

Application Developer · IBM

Nov 2021 – Jul 2026

  • Developed, maintained, and modernized scalable microservices and REST APIs using Java, Spring Boot, and Quarkus for high-criticality enterprise projects across banking, insurance, agribusiness, and telecom sectors (including major clients like Bradesco, Banco do Brasil/B3, Bradesco Seguros, and Oi). Participated in the full Software Development Life Cycle (SDLC), handling systems integration, relational/NoSQL databases (Oracle, MongoDB, Redis), messaging queues, automated testing, production troubleshooting, and CI/CD deployment pipelines in cloud/OpenShift environments.

Education

Bachelor's Degree in Systems Analysis and Development (ou Bachelor of Science in Systems Analysis and Development) · Universidade Estácio de Sá (UNESA)

2017 – 2020

Skills

Git MongoDB Redis RabbitMQ Microservices Docker AWS REST APIs Jenkins Spring Boot Automated Testing ackend Development: Java Spring Cloud Quarkus JPA/Hibernate Design Patterns System Integration. Databases & Messaging: Oracle Database IBM MQ / JMS. Cloud DevOps & Tools: Azure OpenShift Azure DevOps Maven SonarQube. Observability & Quality: Elasticsearch Logstash Kibana (ELK Stack) Defect Investigation & Resolution. Methodologies & SDLC: Scrum Agile Practices Software Development Life Cycle.

About

Desenvolvedor Backend Java com mais de 5 anos de experiência na IBM, especializado na criação e modernização de microsserviços e APIs REST com Java, Spring Boot e Quarkus. Históric...

Desenvolvedor Backend Java com mais de 5 anos de experiência na IBM, especializado na criação e modernização de microsserviços e APIs REST com Java, Spring Boot e Quarkus. Histórico de atuação em projetos de alta criticidade nos setores bancário, de seguros e telecomunicações, com sólida vivência no ciclo de desenvolvimento, mensageria e bancos de dados.

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