Java Backend Engineer (AWS) – Hybrid Chicago

Valiant Technologies LLC; Chicago (IL); Ibrido; USD 86.000 - 123.000; Tempo pieno

Descrizione del lavoro

Valiant Technologies LLC is seeking a Java Backend Developer with AWS in Chicago. Hybrid work arrangement in a 12-month+ engagement. You will design and maintain scalable microservices using Java 17+, Spring Boot, Python, and AWS integration services.

The role requires 7+ years of backend experience, strong Java/Spring, and deep AWS knowledge (ECS/Fargate, S3, Lambda, SQS/SNS). You will implement robust observability, CI/CD pipelines, and mentor junior team members.

Competenze

• 7+ years of backend software engineering experience in distributed, high-availability systems.
• Proficient in Java (Java 17+), Spring Boot, and Python.
• Strong AWS hands-on experience across core services (ECS/Fargate, S3, Lambda, SQS/SNS).
• Relational DB experience with PostgreSQL/Aurora and SQL optimization.
• CI/CD experience with Jenkins, GitHub Actions, CodePipeline, and IaC (CloudFormation).
• Unit and integration testing with JUnit/Mockito, and code reviews.

Mansioni

• Design, build, deploy, and maintain scalable microservices and RESTful APIs using Java 17+ and Spring Boot.
• Architect resilient, fault-tolerant systems across AWS Availability Zones/Regions; perform failover testing.
• Investigate production incidents; perform RCA and improve observability via CloudWatch.
• Develop and optimize CI/CD pipelines with GitHub Actions, Jenkins, CodePipeline, and IaC (CloudFormation).
• Model relational data and optimize queries for Amazon Aurora PostgreSQL; tune performance.
• Mentor juniors and enforce automated testing standards (JUnit, Mockito).

Conoscenze

Java

Spring Boot

Python

Formazione

Bachelor's degree in Computer Science/Engineering or related field

Strumenti

AWS (ECS/Fargate)

EventBridge

SQS

SNS

Lambda

S3

CloudWatch

Jenkins

GitHub Actions

CodePipeline

CloudFormation

Descrizione del lavoro

Valiant Technologies LLC is seeking a Java Backend Developer with AWS in Chicago. Hybrid work arrangement in a 12-month+ engagement. You will design and maintain scalable microservices using Java 17+, Spring Boot, Python, and AWS integration services.

The role requires 7+ years of backend experience, strong Java/Spring, and deep AWS knowledge (ECS/Fargate, S3, Lambda, SQS/SNS). You will implement robust observability, CI/CD pipelines, and mentor junior team members.