Senior Java Cloud-Native Microservices Engineer

Realign Llc; McLean (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Realign Llc in McLean, VA seeks an experienced Senior Java Full Stack Developer with 12+ years of hands-on Java experience. You will design and own high-throughput Java/Spring Boot microservices, REST APIs, and batch processing pipelines while working across CI/CD, security, monitoring, and cloud-native AWS deployments.

The ideal candidate has strong expertise in Java, Spring Boot, Spring Batch, REST, OAuth2, and PostgreSQL, with a track record of building scalable, secure, and observable

Qualifications

• 12+ years of hands-on Java development and 12+ years overall software experience.
• Strong expertise in Java, OOP, Collections, Concurrency, and Clean Code.
• Deep hands-on experience with Spring Boot and Spring Batch.
• Experience with RESTful APIs, OAuth2, retries, and resilient patterns.
• Proficient in SQL and PostgreSQL with performance tuning.

Responsibilities

• Design, develop, and maintain high-throughput Java/Spring Boot microservices for enterprise data processing.
• Develop secure REST APIs and AWS integrations using API Gateway/Lambda.
• Implement OAuth2 client-credentials authentication and resilient service-to-service communication.
• Build and optimize Spring Batch jobs and ETL-like data pipelines.
• Lead CI/CD pipelines and cloud-native deployments; ensure production readiness and observability.
• Mentor junior engineers and contribute to architecture discussions.

Skills

Java

Spring Boot

Spring Batch

Microservices

REST APIs

SQL

PostgreSQL

AWS

CI/CD

OAuth2

Security

Tools

AWS Cloud Services

CloudFormation

CodePipeline

CodeBuild

CodeDeploy

Lambda

API Gateway

Job description

Realign Llc in McLean, VA seeks an experienced Senior Java Full Stack Developer with 12+ years of hands-on Java experience. You will design and own high-throughput Java/Spring Boot microservices, REST APIs, and batch processing pipelines while working across CI/CD, security, monitoring, and cloud-native AWS deployments.

The ideal candidate has strong expertise in Java, Spring Boot, Spring Batch, REST, OAuth2, and PostgreSQL, with a track record of building scalable, secure, and observable