Senior Java Backend Engineer – Fintech, Cloud-Native

Avenga; Córdoba; Presencial; ARS 2.500.000 - 5.000.000; Jornada completa

Descripción de la vacante

Avenga is seeking a senior backend engineer in Argentina to scale and evolve our high-availability payment platforms. You will drive the design and implementation of robust microservices, cloud-native architectures, and architectural initiatives with strong ownership.

You will build high-throughput, low-latency REST APIs and data models, integrate payment ecosystems on AWS (Lambda, EKS, ECS, API Gateway), and optimize deployments and pipelines.

Formación

• 6+ years of strong experience working with Java and building resilient backend services.
• Background in deployments, CI/CD pipelines, and microservices, both with and without containers.
• Solid experience developing high-availability, low-latency systems and designing robust REST APIs.
• Practical, hands-on knowledge of payment systems, with a strong focus on acquiring or issuing domains.
• Proficient working with AWS cloud infrastructure, including tools like Lambda, EKS, ECS, SQS, SNS, EventBridge, DynamoDB, and API Gateway.
• Strong understanding of microservices architecture and integration patterns.
• Active adopter of AI agents and development assistants used daily for designing, generating, and continuously improving code quality.

Responsabilidades

• Design, develop, and maintain high-scale microservices, data models, and integration patterns for core backend solutions
• Drive initiatives and propose simple, effective architectural solutions that align with system needs and product goals.
• Take full ownership of end-to-end technical solutions, ensuring high quality from design to production rollout.
• Secure and optimize high-availability, low-latency systems and database queries that process volume-heavy financial operations.
• Build, deliver, and continuously evolve robust REST APIs.
• Own end-to-end deployment workflows, managing pipelines and CI/CD routines across containerized and non-containerized setups.
• Leverage a wide array of AWS services to support distributed architectures and event-driven data flows.
• Drive engineering excellence by incorporating advanced AI-assisted development tools into your daily workflow.

Conocimientos

Java backend development

CI/CD pipelines

Microservices architecture

REST APIs

High-throughput/low-latency

AWS cloud

Payments domain knowledge

AI-assisted development tools

Herramientas

AWS

Descripción del empleo

Avenga is seeking a senior backend engineer in Argentina to scale and evolve our high-availability payment platforms. You will drive the design and implementation of robust microservices, cloud-native architectures, and architectural initiatives with strong ownership.

You will build high-throughput, low-latency REST APIs and data models, integrate payment ecosystems on AWS (Lambda, EKS, ECS, API Gateway), and optimize deployments and pipelines.