Senior Backend Developer – Java, Python

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🕒 May 22

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Extractta

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2005

QUEM SOMOS

📋 Description

• Develop applications in Java using Vert.x and Spring frameworks • Develop applications in Python (versions 2.x and 3.x) • Build mission-critical, high-volume systems using modern solution architecture patterns and design principles • Design and evolve RESTful APIs and microservices/reactive architectures • Perform code reviews • Write unit and integration tests • Participate in agile ceremonies and actively contribute to product evolution

🎯 Requirements

• Technical experience with Java and Python • Experience with Java 17/21 (LTS) and the Spring ecosystem (Spring Boot, Spring Framework) • Experience with Python 3.x and at least one web framework (FastAPI, Flask, or Django) — familiarity with maintaining Python 2.x (legacy) is desirable • Experience with Vert.x or another reactive framework (Spring WebFlux/Reactor) • Experience with microservices, reactive architectures, and APIs • Experience developing RESTful APIs • Strong knowledge of Design Patterns, SOLID principles, TDD, and BDD • Experience with Git/GitLab • Experience with messaging systems (SQS) • Experience with Maven/Gradle • Desired: • Degree in Information Security, Information Systems, or related fields • Experience with credit products, anti-fraud, scoring, or data bureau services • Experience with AWS (EKS, Lambda, DynamoDB, CloudWatch, CodePipeline) • Experience with containers (Docker, Docker Compose) and Kubernetes • Knowledge of NoSQL databases (DynamoDB, MongoDB) and caching (Redis) • Experience with Kafka and high-throughput event/stream processing • Experience with observability tools (Grafana, Splunk) and testing frameworks (JUnit, Mockito)

🏖️ Benefits

• Meal and/or Food Vouchers • Sesi and Sesc partnership providing access to health, wellness, and leisure services • Partnerships with educational institutions offering exclusive discounts on courses and educational programs • Opportunities for career growth and participation in strategic projects • Opportunity to work at a rapidly expanding company