Software Engineer IV

Software Engineer IV – Java / AWS

Location: Coppell, TX — Onsite 4 days/week
Duration: 4 months (EOY) + potential extension through 2027
Interview: 1 Onsite Interview + Java Coding Assessment

Job Summary:

We are looking for a Software Engineer IV with strong Java, Spring Boot, AWS, and distributed transactional systems experience. This is an 80% development / 20% unit testing role focused on building highly scalable, low-latency microservices.

The ideal candidate has experience building transaction-heavy applications, concurrency/locking mechanisms, caching, ACID transactions, and distributed systems at scale.

Key Responsibilities:

• Design and develop event-driven transactional microservices using Java 17/Spring Boot.
• Build scalable AWS applications using ECS, Aurora PostgreSQL, SQS FIFO, EventBridge, and MSK/Kafka.
• Develop high-throughput APIs supporting 300+ TPS, with a focus on low-latency processing.
• Implement concurrency controls, locking, optimistic versioning, caching, and ACID transactions.
• Build and maintain CI/CD pipelines using GitLab and infrastructure using Terraform/AWS CDK.
• Migrate legacy TIBCO applications to Java/AWS-based microservices.

Required Skills

• 7+ years of Java/Spring Boot development experience.
• Strong hands-on AWS experience.
• Proven experience building transactional/distributed systems at scale.
• Strong knowledge of concurrency, database locking, caching, ACID, and performance optimization.
• Experience with Kafka/MSK and event-driven architectures.
• Experience with GitLab CI/CD, Terraform, or AWS CDK.
• Strong unit-testing and API development experience.

Preferred: Drools, state-machine patterns, Resilience4j, parallel-run validation, and legacy-to-cloud migration experience.