Hybrid Senior AWS Java Full-Stack Lead

System One, Inc.; Birmingham (AL); Hybrid; USD 120,000 - 180,000; Full time

Job summary

System One, Inc. is hiring a Senior AWS Java Full Stack Developer to lead cloud-based application development in an AWS-focused financial services environment. The role combines hands-on development with leadership across Java, Spring Boot, Angular, and AWS.

The position requires 8+ years of Java experience, strong Spring/Spring Security, Angular, and AWS expertise, with a hybrid work model in locations including Birmingham, AL. You will mentor teams and drive delivery with best practices.

Qualifications

• 8+ years of advanced Java experience including collections, streams, JVM, multithreading.
• Java 8, 17, and 21 features proficiency.
• Strong Spring Boot and microservices experience with REST APIs, DI and Actuator.
• Hands-on Spring Security, JWT, JPA/Hibernate, and transaction management.
• Ability to define service boundaries and build resilient, scalable services with monitoring.
• Strong Angular skills across components, RxJS, state management, routing and API integration.
• Hands-on AWS experience with EC2, S3, RDS, Lambda, API Gateway, IAM, ECS, CloudWatch.
• Experience with serverless/event-driven architectures focusing on availability, security and cloud costs.
• Ability to mentor developers and document decisions.

Responsibilities

• Lead development and support of cloud-based applications in an AWS-focused financial services environment.
• Make component-level technical decisions, build secure and scalable services, and improve performance and reliability.
• Guide implementation teams and strengthen automated testing and delivery practices.
• Resolve complex issues across services and mentor developers while aligning with enterprise standards.

Skills

Java programming

Spring Boot

Microservices

Angular

AWS cloud

JWT authentication

JPA/Hibernate

REST APIs

Multithreading

Distributed systems

Technical leadership

Agile collaboration

Education

Bachelor's degree in CS/IS

Tools

Docker

Kubernetes

Git

GitHub Actions

Jenkins

Azure DevOps

CI/CD pipelines

OpenAPI/Swagger

Playwright

Lambda Test

GitHub Copilot

Job description

System One, Inc. is hiring a Senior AWS Java Full Stack Developer to lead cloud-based application development in an AWS-focused financial services environment. The role combines hands-on development with leadership across Java, Spring Boot, Angular, and AWS.

The position requires 8+ years of Java experience, strong Spring/Spring Security, Angular, and AWS expertise, with a hybrid work model in locations including Birmingham, AL. You will mentor teams and drive delivery with best practices.