Senior Java Architect - Fintech Payments, Cloud-Native

Avenga; Argentina; Presencial; ARS 1.200.000 - 2.100.000; Jornada completa

Descripción de la vacante

Avenga is seeking a senior backend engineer in Argentina to design, develop, and operate high-scale microservices for payment platforms. You will work with Java, build robust REST APIs, and own end-to-end delivery from design to production while leveraging cloud-native architectures on AWS.

You will collaborate with specialists to improve code quality, drive architectural initiatives, and integrate AI-assisted development tools to accelerate delivery and innovation in a fintech environment.

Formación

• 6+ years of proven Java backend experience and scalable systems.
• Experience with deployments, CI/CD, and microservices.
• Strong REST API design and high-availability, low-latency systems.
• Experience with payment systems (acquirers/issuers) is a plus.

Responsabilidades

• Design, develop, and maintain high-scale microservices and data models for core backend solutions.
• Drive initiatives and propose simple, effective architectural solutions.
• Take full ownership from design to production rollout with high quality.
• Secure and optimize high-availability, low-latency systems and queries for volume-heavy financial ops.
• Build and evolve robust REST APIs and deployment pipelines across containerized/non-containerized setups.
• Leverage AWS services to support distributed architectures and event-driven data flows.

Conocimientos

Java backend

CI/CD pipelines

Microservices

REST APIs

Payment systems

AWS cloud

AI-assisted development

Herramientas

AWS Lambda

AWS EKS

SQS

SNS

DynamoDB

API Gateway

Descripción del empleo

Avenga is seeking a senior backend engineer in Argentina to design, develop, and operate high-scale microservices for payment platforms. You will work with Java, build robust REST APIs, and own end-to-end delivery from design to production while leveraging cloud-native architectures on AWS.

You will collaborate with specialists to improve code quality, drive architectural initiatives, and integrate AI-assisted development tools to accelerate delivery and innovation in a fintech environment.