Java AWS Developer

Quantum Technologies. LLC; Austin (TX); On-site; USD 150,000 - 210,000; Full time

Job summary

Quantum Technologies. LLC in Austin, TX seeks an experienced Senior Java Engineer to design, develop, and operate high-availability microservices using Java, Spring Boot, and modern data stores.

You will own cloud infrastructure on AWS, manage EKS/Kubernetes, implement CI/CD with Jenkins, and lead performance tuning, testing, and security practices while collaborating across teams and mentoring engineers.

Qualifications

• 5+ years of professional Java development experience.
• 3+ years with MongoDB.
• Experience designing highly available distributed systems.
• Strong knowledge of SpringBoot, Redis, Kafka, and microservices.
• Experience with AWS deployments, EKS, Kubernetes, Docker, and Helm.
• Proficient CI/CD with Jenkins, Maven, Git, and PR workflows.
• Understanding of Nginx, HTTP, and CDN performance.
• Familiarity with Splunk for monitoring and debugging.
• Proficient in testing frameworks (JUnit/TestNG).
• Strong communication and leadership across teams.

Responsibilities

• Design, develop, and optimize zero-downtime microservices in Java and SpringBoot.
• Drive full software lifecycle from design to deployment with a focus on performance.
• Architect and manage cloud infrastructure on AWS including EKS and containers.
• Implement robust CI/CD pipelines and automated deployments.
• Configure Nginx for load balancing and traffic management.
• Leverage Splunk for monitoring and proactive troubleshooting.
• Collaborate with teams and guide junior engineers.

Skills

Java

Spring Boot

Distributed systems

High availability

Performance tuning

Leadership / communication

Education

Bachelor’s or Master’s degree in Computer Science or a related technical field

Tools

MongoDB

Redis

Kafka

AWS

EKS

Kubernetes

Docker

Helm

Jenkins

Maven

Git

Nginx

CI/CD pipelines

Splunk

RooCode

Claude

Terraform

CloudFormation

Prometheus

Grafana

Job description

Key Responsibilities

• Design, develop, and optimize high-throughput, zero-downtime microservices using Java, SpringBoot, Redis, MongoDB, and Kafka.
• Drive the full lifecycle of applications from design to deployment, focusing on high availability, performance tuning (JVM, memory profiling), and robust testing (JUnit, TestNG).
• Architect and manage cloud infrastructure on AWS, including EKS cluster management, Docker containerization, and Helm chart deployments.
• Implement and maintain robust CI/CD pipelines with Jenkins, Maven, and Git, ensuring seamless and automated deployments.
• Configure and optimize Nginx for load balancing and traffic management, ensuring high performance and reliability.
• Leverage Splunk for comprehensive monitoring, logging, and proactive troubleshooting across the entire system stack.
• Utilize AI tools like RooCode and Claude to enhance development and operational efficiency.
• Apply sharp troubleshooting skills and real-world deployment experience to ensure system reliability and performance.

Required Skills & Experience

• 5+ years of professional Java development experience, including 3+ years with MongoDB.
• Hands-on experience with AI tools such as RooCode and Claude .
• Proven expertise in designing and developing highly available, distributed, and scalable enterprise systems.
• Strong command of SpringBoot, Redis, Kafka, and Microservices architecture.
• Extensive experience with AWS deployments, EKS cluster management, Kubernetes, Docker, and Helm charts.
• Proficiency in CI/CD practices, including Jenkins, Maven builds, Git, and PR workflows.
• Deep understanding of Nginx, Load Balancing, HTTP specifications, and CDN.
• Experience with performance tuning (JVM, memory profiling, heap analysis) and automated testing frameworks (JUnit, TestNG).
• Familiarity with template-driven rendering, client/server MVC architectures, and Splunk for system monitoring.
• Solid grasp of the Software Development Lifecycle, Agile methodologies, and sharp troubleshooting skills.
• Self-starter with strong leadership capabilities and excellent communication skills (written and verbal) for technical and non-technical teams.

Education

• Bachelor’s or Master’s degree in Computer Science or a related technical field.

Preferred Qualifications

• Experience with Infrastructure as Code (e.g., Terraform, CloudFormation).
• AWS certifications (e.g., Solutions Architect, DevOps Engineer).
• Experience with other monitoring/alerting tools (e.g., Prometheus, Grafana).
• Familiarity with security best practices in cloud and application development.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.