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Quarkus Developer Jobs in California (NOW HIRING)

Clera

Senior Backend Engineer

San Francisco, CA · On-site

About the Role Join the engineering team of a Series A B2B SaaS company building an AI-powered ... Experience with Quarkus or Spring Boot (or comparable JVM frameworks). * Required: Hands-on ...

Clera

Senior Backend Engineer

San Francisco, CA · On-site

About the Role Join the engineering team of a Series A B2B SaaS company building an AI-powered ... Experience with Quarkus or Spring Boot (or comparable JVM frameworks). * Required: Hands-on ...

RIT Solutions

Java Developer

San Francisco, CA

$60 - $77.75/hr

Micronaut, Quarkus, Spring Boot (with a focus on microservices architectures). API Development ... Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical ...

CalAmp

Software Engineer II

Carlsbad, CA

$80K - $137K/yr

Experience with CI/CD pipelines and modern DevOps practices * Exposure to NoSQL databases (e.g ... Java * Spring Boot/Quarkus * AWS (EC2, RDS, Lambda) * Kafka, Redis * Kubernetes, Docker

Omega-KR

Senior Software Engineer

San Diego, CA · On-site

$130K - $171K/yr

Senior Software Engineer Omega-KR, Inc. is a small but highly skilled group of engineers committed ... Experience with Spring Boot, Quarkus, or similar Java Microservice frameworks * Experience with ...

CalAmp

Software Engineer II

Carlsbad, CA

$137K/yr

Experience with CI/CD pipelines and modern DevOps practices * Exposure to NoSQL databases (e.g ... Java * Spring Boot/Quarkus * AWS (EC2, RDS, Lambda) * Kafka, Redis * Kubernetes, Docker

CalAmp

Software Engineer II

Carlsbad, CA · On-site

$80K - $137K/yr

Experience with CI/CD pipelines and modern DevOps practices * Exposure to NoSQL databases (e.g ... Java * Spring Boot/Quarkus * AWS (EC2, RDS, Lambda) * Kafka, Redis * Kubernetes, Docker

Poshmark

Sr. Engineer, Machine Learning

Redwood City, CA · On-site

$151K - $214K/yr

Collaborate across teams such as DS, QA, Infra and other engineering teams to productionize ML ... Flask, Fastapi, Gunicorn, Quarkus * MLFlow, Sagemaker, Kibana, Airflow, Databricks, Grafana ...

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Quarkus Developer information

Is Quarkus the future of Java?

Quarkus is a modern Java framework optimized for cloud-native and containerized environments, gaining popularity among Java developers for its fast startup times and low memory usage. While it is increasingly adopted in microservices and serverless architectures, Java remains a versatile language with multiple frameworks, so Quarkus is likely to be a significant part of Java's future but not the sole direction. Java developers with skills in Quarkus, containers, and cloud deployment are in demand as the ecosystem evolves.

Is Quarkus a Java framework?

Quarkus is a Java framework designed for building cloud-native, containerized applications with fast startup times and low memory usage. It is commonly used by Java developers to create microservices and supports standard Java technologies like JAX-RS and CDI.

What is a Quarkus Developer?

A Quarkus Developer is a software engineer who specializes in building Java applications using the Quarkus framework. Quarkus is a Kubernetes-native Java framework optimized for GraalVM and HotSpot, known for its fast startup times and low memory usage. Quarkus Developers typically work on developing, deploying, and maintaining microservices and cloud-native applications, leveraging Quarkus' capabilities to optimize performance and scalability. Their role may also involve integrating various libraries, ensuring best practices, and collaborating with DevOps teams for containerization and deployment.

What is Quarkus vs Spring Boot?

Quarkus and Spring Boot are Java frameworks used for building microservices and cloud-native applications. Quarkus is optimized for container environments with fast startup times and low memory usage, making it suitable for serverless and Kubernetes deployments. Spring Boot offers a comprehensive ecosystem with extensive libraries and community support, often preferred for traditional enterprise applications and rapid development.

What are the key skills and qualifications needed to thrive as a Quarkus Developer, and why are they important?

To thrive as a Quarkus Developer, you need strong proficiency in Java, familiarity with microservices architecture, and experience with cloud-native development, often supported by a computer science degree or similar background. Expertise with Quarkus itself, RESTful APIs, containerization tools like Docker, and CI/CD platforms is typically required, and certifications in Java or cloud technologies can be beneficial. Problem-solving ability, adaptability, and collaboration are crucial soft skills for excelling in team environments and rapidly evolving projects. These skills and qualities are essential for building efficient, scalable, and maintainable applications that meet modern enterprise needs.

What is the difference between Quarkus Developer vs Spring Boot Developer?

AspectQuarkus DeveloperSpring Boot Developer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentCloud-native, microservices, containerized appsWeb applications, microservices, enterprise solutions
Industry UsageStartups, cloud providers, modern Java projectsEnterprises, large-scale web apps, legacy system integration

Both Quarkus and Spring Boot developers typically have Java certifications and work in cloud or enterprise environments. Quarkus developers focus on building lightweight, container-friendly microservices optimized for cloud-native deployment, while Spring Boot developers often work on scalable web applications and enterprise solutions. The choice depends on project requirements and infrastructure preferences.

What is the use of Quarkus?

A Quarkus developer uses the Quarkus framework to build lightweight, high-performance Java applications optimized for cloud environments and containerization. It enables faster startup times and lower memory usage, making it suitable for microservices and serverless architectures. Knowledge of Java, containerization, and cloud deployment is essential for this role.

What are some common challenges Quarkus Developers face when integrating legacy Java applications into a Quarkus-based microservices architecture?

Quarkus Developers often encounter challenges such as migrating existing Java EE or Spring-based applications to leverage Quarkus' fast startup times and low memory footprint. Compatibility issues with certain libraries, adapting to Quarkus' build-time optimizations, and reconfiguring dependency injection can require careful planning and testing. Collaboration with DevOps teams is also crucial, as containerization and deployment workflows may change. Addressing these challenges helps ensure smoother transitions and maximizes the benefits of a modern microservices approach.
What are popular job titles related to Quarkus Developer jobs in California? For Quarkus Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Quarkus Developer jobs in California look for? The top searched job categories for Quarkus Developer jobs in California are:
What cities in California are hiring for Quarkus Developer jobs? Cities in California with the most Quarkus Developer job openings:
Quarkus Developer jobs near you
Infographic showing various Quarkus Developer job openings in California as of June 2026, with employment types broken down into 54% Full Time, 8% Part Time, and 38% Contract. Highlights an 100% In-person job distribution.

Senior Backend Engineer

Clera

San Francisco, CA • On-site

Full-time

Posted 8 days ago

Job description

About the Role
Join the engineering team of a Series A B2B SaaS company building an AI-powered omnichannel customer communication platform for SMEs. You'll work on core backend technologies that power messaging, automation, and AI-driven workflows - shipping features end-to-end in a high-ownership environment and contributing to long-term architecture decisions.
What You'll Do
  • Build and deliver new backend features that reach customers directly.
  • Improve platform performance and reliability to enhance the user experience at scale.
  • Participate in long-term architecture discussions and help define technical direction.
  • Shape internal development processes and establish best practices across the engineering team.
  • Bring your own ideas to influence product and platform decisions.
What We're Looking For
  • Required: Proficiency in Java and TypeScript - both are essential for this role.
  • Required: Experience with Quarkus or Spring Boot (or comparable JVM frameworks).
  • Required: Hands-on experience with AWS and Terraform for cloud infrastructure.
  • Strong PostgreSQL experience.
  • Familiarity with AI libraries such as LangGraph.
  • Background building scalable backend systems for communications or messaging platforms.
  • Strong computer science fundamentals and a track record delivering features end-to-end at senior level.
Tech Stack
  • Backend: Java, Kotlin, Quarkus, Spring Boot, TypeScript
  • Cloud & Infra: AWS (RDS/PostgreSQL, S3, SQS, SNS, SES, Lambda, CloudFront), Terraform
  • AI/Search: LangGraph, OpenSearch
  • Observability & tooling: DataDog, Sentry, GitHub Actions, LaunchDarkly
Location & Work Arrangement
This is a hybrid role based in Berlin, Germany. Visa sponsorship is available for qualified candidates.

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