Java Backend Developer with DevOps

Quantum Technologies. LLC; Cupertino (CA); On-site; USD 190,000 - 260,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced software/DevOps engineer to design, build, and scale backend systems in a cloud-first environment.

The role emphasizes AWS, containers, microservices, and robust CI/CD pipelines for a high-availability platform. You will work onsite in Cupertino, CA, collaborating with product and engineering teams to deliver secure, scalable solutions with modern tech stacks and observability tooling.

Qualifications

• 10+ years of hands-on software development experience.
• Experience building backend applications and RESTful APIs.
• Strong understanding of Object-Oriented Design principles and design patterns.
• Experience building distributed systems and high-availability architectures.
• Strong Linux/Unix administration and troubleshooting skills.
• Hands-on experience with AWS cloud services.
• Strong experience with Docker and containerization technologies.
• Experience deploying and managing applications using Kubernetes.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, CodeDeploy, ArgoCD, or similar platforms.
• Infrastructure automation experience using Terraform, CloudFormation, or equivalent tools.
• Experience implementing monitoring, logging, and observability solutions.

Skills

Hands-on software development

RESTful APIs

OO design & patterns

Distributed systems

Linux/Unix administration

Tools

AWS

Docker

Kubernetes

Jenkins

GitHub Actions

CodeDeploy

ArgoCD

Terraform

CloudFormation

Istio

Linkerd

Kafka

Redis

RabbitMQ

Prometheus

Grafana

Splunk

DataDog

Job description

• 10+ years of hands-on software development experience.
• Extensive experience developing backend applications and RESTful APIs.
• Strong understanding of Object-Oriented Design principles and design patterns.
• Experience building distributed systems and high-availability architectures.
• Strong Linux/Unix administration and troubleshooting skills.

DevOps & Cloud:

• Hands-on experience with AWS cloud services.
• Strong experience with Docker and containerization technologies.
• Experience deploying and managing applications using Kubernetes.
• Experience with CI/CD tools such as Jenkins, GitHub Actions, CodeDeploy, ArgoCD, or similar platforms.
• Infrastructure automation experience using Terraform, CloudFormation, or equivalent tools.
• Experience implementing monitoring, logging, and observability solutions.

Database & Messaging:

• Experience working with PostgreSQL, MySQL, or similar relational databases.
• Hands-on experience with Redis, Kafka, RabbitMQ, or event-driven architectures.
• Strong understanding of data modeling and performance optimization.

Software Engineering Practices:

• Strong understanding of Microservices Architecture.
• Knowledge of secure coding principles and application security practices.
• Strong analytical, debugging, and problem-solving skills.
• Service Mesh experience (Istio, Linkerd) is considered a plus.

Preferred Qualifications:

• Previous experience with Apple or other leading product-based organizations.
• Experience supporting large-scale internet-facing applications.
• Experience with Big Data technologies such as Spark, Flink, MPP platforms, or Data Warehousing.
• Exposure to Site Reliability Engineering (SRE) practices.
• Experience with frontend technologies and UI development.
• Experience integrating AI/ML platforms and services.

Preferred Candidate Profile:

• Product company engineering background.
• SaaS platform experience.
• Startup engineering environment experience.
• Strong communication and stakeholder management skills.
• Availability to work onsite in Cupertino, CA.

Nice to Have:

• Kafka Streaming
• Redis Caching
• Spark/Flink
• Terraform
• Data dog, Prometheus, Grafana, Splunk, or equivalent observability platforms

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.