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

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.

• 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.

• 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, Cloud Watch, 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.

• 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 Dev Ops:
  Git, Git Hub Actions, Jenkins, or Azure Dev Ops, including build automation, CI/CD pipelines, and release practices.
• API Integration:
  OpenAPI/Swagger, authentication, authorization, versioning, and API contracts.
• UI Test Automation:
  Playwright and Lambda Test for reusable UI automation, regression testing, cross-browser execution, and troubleshooting unreliable tests.
• AI Development Tools:
  Git Hub 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.

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

: #404-IT Pittsburgh