Senior AWS Java Full Stack Developer

Job Title: Senior AWS Java Full Stack Developer
Duration: Full Time / Permanent Position
Location: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC | Plano, TX
Work Mode: 5 Days Onsite

Position Description
Systemone is seeking a Senior AWS Java Full Stack Developer to lead the development and support of cloud-based applications in an AWS-focused financial services environment.

This role combines advanced hands-on development with technical leadership across Java, Spring Boot microservices, Angular, and AWS.

Your Future Duties and Responsibilities

• Make component-level technical decisions and build secure, scalable services.

• Improve application performance, reliability, and operational readiness.

• Guide implementation teams and align development with enterprise standards.

• Strengthen automated testing and software delivery practices.

• Resolve complex issues across services and distributed applications.

• Mentor developers and provide technical guidance.

• Evaluate technical trade-offs and document implementation decisions.

Required Qualifications to Be Successful in This Role

• Java: 8+ years of advanced Java experience, including collections, streams, exception handling, JVM concepts, multithreading, concurrency, functional programming, and reactive programming. Familiarity with Java 8, 17, and 21 features.

• Spring Boot and Microservices: Strong experience with REST APIs, dependency injection, input validation, centralized exception handling, configuration management, and Actuator.

• Application Security: Hands-on experience with Spring Security, JWT authentication, JPA/Hibernate, and transaction management.

• Microservices Architecture: Ability to define service boundaries and implement resilient, scalable services using circuit breakers, distributed transaction patterns, and production monitoring.

• Angular: Strong skills in component structure, services, RxJS, state management, routing, API integration, and UI performance optimization.

• AWS Cloud Services: Hands-on experience with EC2, S3, RDS, Lambda, API Gateway, SNS, SQS, IAM, ECS, Auto Scaling, CloudWatch, and networking fundamentals.

• Serverless and Event-Driven Applications: Experience implementing solutions with a focus on availability, security, operational readiness, and cloud costs.

• Technical Leadership: Ability to lead component and service implementation, evaluate technical trade-offs, document implementation decisions, and mentor developers.

Desired Skillset

• Apache Kafka: Producers, consumers, topics, consumer groups, event streaming, error handling, and performance tuning.

• Docker and Kubernetes: Container optimization, deployments, scaling, and troubleshooting.

• CI/CD and DevOps: Git, GitHub Actions, Jenkins, or Azure DevOps, including build automation, CI/CD pipelines, and release practices.

• API Integration: OpenAPI/Swagger, authentication, authorization, versioning, and API contracts.

• UI Test Automation: Playwright and LambdaTest for reusable UI automation, regression testing, cross-browser execution, and troubleshooting unreliable tests.

• AI Development Tools: GitHub Copilot or similar tools, including guidance on generated-code reviews, test coverage, and security.

• Problem-Solving and Collaboration: Strong root-cause analysis, stakeholder communication, Agile collaboration, and ownership of delivery risks.

Educational Requirements
Bachelor's degree in Computer Science, Information Systems, or a related field.

Ref: #404-IT Pittsburgh