CareerPlan

Senior Software Engineer (Java/Python) - São Paulo (Contract)

São Paulo, State of São Paulo, BrazilContract2026-10-08 → 2026-11-12
Hybrid

Core

Design, develop, and maintain back-end applications and RESTful APIs for auto loan financing systems.

Role type

Senior IC backend software engineer

Builds

Back-end applications, serverless and server-based systems, and data streaming pipelines

Domain

Fintech / Auto lending

Deliverable

production ML models | product features

Required skills

Java, Python, Spring Boot, RESTful API design, SQL/NoSQL databases, AWS services, AWS Kinesis Data Streams, unit testing, debugging

Preferred skills

MongoDB, Redis, OracleDB, JUnit, Mockito

Technologies

Java, Python, Spring Boot, AWS, Kinesis, MongoDB, Redis, OracleDB, JUnit, Mockito

Responsibilities

Design and develop back-end applications; Build and manage RESTful APIs; Design and optimize databases; Implement real-time data streaming; Write clean, testable code; Work independently in a fast-paced environment

Seniority

Senior, hands-on IC