CareerPlan

Sr. Software Engineer - Backend

Buenos AiresRemoteFull-time2026-11-02 → 2026-11-10

Core

Design, develop, and operate backend solutions in Java within a complex fintech environment, integrating microservices, async messaging, and AI.

Role type

Senior Backend Software Engineer (Java)

Builds

Scalable backend services and microservices for global fintech clients

Domain

Fintech, Distributed Systems, Cloud Infrastructure

Deliverable

production ML models

Required skills

Java, Microservices, AWS, NoSQL, Kafka, Async Messaging, Circuit Breaker, Resilience Patterns, Fintech Domain Knowledge, AI Integration

Preferred skills

Golang, SQL Query Optimization

Technologies

Java, AWS, Kafka, NoSQL, Golang

Responsibilities

Design and develop backend solutions using microservices architecture; Implement async messaging and communication patterns; Operate and monitor applications in production environments; Integrate AI tools into daily workflows; Ensure system resilience and idempotency.

Seniority

Senior, hands-on IC