Senior Backend Engineer - Java, AWS & Streaming (Remote)

encora10; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

encora10 is seeking a backend engineer to design, build, and operate production-grade services for processing and streaming workloads. This remote role, based in Brazil, focuses on delivering reliable, scalable components with ownership from development through deployment and operation.

You will work on multi-region AWS services, optimize performance, and collaborate on architecture decisions. Strong Java SE, AWS ECS/EC2, and DevOps practices are essential, as is a disciplined approach to

Qualifications

• Experience building, shipping, and operating production backend services.
• Strong Java SE experience with OO design, concurrency, performance tuning.
• Hands-on AWS experience (ECS/EC2) and DevOps covering CI/CD and IaC across multi-environment deployments.
• Understanding of algorithms, data structures, and memory/performance trade-offs.
• Experience with high-traffic distributed systems, REST APIs and data formats (JSON/Protobuf), and observability through logs/metrics/traces.

Responsibilities

• Design and maintain complex service modules with profiling to improve speed and memory use.
• Take work from requirements clarification through implementation, testing, deployment, and support.
• Build and operate multi-region AWS services, including compute, storage, messaging, caching, and serverless components.
• Diagnose production issues involving performance, concurrency, and reliability, then address their root causes.
• Contribute to architecture discussions, evaluate trade-offs, and implement designs aligned with technical direction.
• Improve tests, observability, deployment automation, and code quality; participate in code reviews.

Skills

Java SE

Backend design

Distributed systems

REST APIs

Observability

Performance tuning

Tools

AWS (EC2/ECS)

Terraform

Docker

Kubernetes

CI/CD pipelines

Jenkins

Job description

encora10 is seeking a backend engineer to design, build, and operate production-grade services for processing and streaming workloads. This remote role, based in Brazil, focuses on delivering reliable, scalable components with ownership from development through deployment and operation.

You will work on multi-region AWS services, optimize performance, and collaborate on architecture decisions. Strong Java SE, AWS ECS/EC2, and DevOps practices are essential, as is a disciplined approach to