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Senior Java React Jobs in Novato, CA (NOW HIRING)

CoreWeave

Senior Software and AI Engineer

San Francisco, CA · On-site

$144K - $190K/yr

... using React (TypeScript) and modern front-end frameworks • Develop scalable backend services in ... or Java, specifically for delivering production-grade cloud services. • Proven expertise in ...

Grocery Outlet

Sr. Software Engineer

Emeryville, CA · On-site

$135K - $155K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

The Sr. Software Engineer will report to the Sr. Director, Application Development ... Net/C#/Java). * 4+ years of experience in .Net, React and Angular development preferably in a SAP ...

Mercor

AI Full Stack Engineer

San Francisco, CA · Remote

$90 - $110/hr

Position: Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++) Type: Contract ... React or equivalent), data modeling, and cloud deployment. * Ability to onboard onto an unfamiliar ...

Mercor

AI Software Developer

San Francisco, CA · Remote

$90 - $110/hr

Position: Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++) Type: Contract ... React or equivalent), data modeling, and cloud deployment. * Ability to onboard onto an unfamiliar ...

Fivetran

Senior R&D Software Engineer, Fivetran AI

Oakland, CA · On-site

$140K - $185K/yr

  • Medical

  • PTO

Fivetran is looking for a Senior R&D Software Engineer to join our fast-growing Fivetran AI team ... is built on Java, Python, Postgres, and Kubernetes, and our front-end is built on React and ...

AppFolio

Sr. Software Engineer - Accounting

San Francisco, CA · On-site +1

$144K - $190K/yr

About this job We're looking for a Senior Software Engineer to join a 6-person cross-functional ... Java, or Python. * Experience with some areas of our tech, like Ruby on Rails, React, Redux, AWS ...

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How much do senior java react jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior java react in Novato, CA is $73.76, according to ZipRecruiter salary data. Most workers in this role earn between $64.62 and $82.40 per hour, depending on experience, location, and employer.

What does a senior Java React developer do?

A Senior Java React developer is responsible for designing, developing, and maintaining complex web applications using both Java (usually for backend services) and React (for the frontend user interface). They collaborate with cross-functional teams to define project requirements, write efficient code, and ensure high-quality software delivery. In addition to coding, they often mentor junior developers, participate in code reviews, and help set technical standards for the team. Their role bridges server-side logic and client-side experiences, making them key contributors to modern web projects.

How does a senior Java React developer typically collaborate with cross-functional teams in agile environments?

Senior Java React developers often work closely with product managers, UX/UI designers, and QA engineers within agile teams. They participate in sprint planning, code reviews, and daily stand-ups to ensure that both backend (Java) and frontend (React) components are seamlessly integrated. Effective communication and the ability to translate business requirements into technical solutions are essential, as is mentoring junior developers and driving best practices across the team.

What are the key skills and qualifications needed to thrive as a senior Java React developer, and why are they important?

To thrive as a Senior Java React Developer, you need advanced proficiency in Java, React.js, and related frameworks, along with a bachelor's degree in computer science or a related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and CI/CD pipelines is typically required. Strong problem-solving, leadership, and communication skills help you manage complex projects and mentor junior team members. These capabilities ensure the delivery of robust, scalable applications and smooth collaboration within cross-functional teams.

What is the difference between Senior Java React vs Java Spring Developer?

AspectSenior Java ReactJava Spring Developer
Required CredentialsBachelor's in CS or related, Java, React, experienceBachelor's in CS or related, Java, Spring Framework, experience
Work EnvironmentFront-end and back-end development, collaborative teamsBack-end development, server-side applications, enterprise projects
Industry UsageWeb applications, SaaS, startups, tech companiesEnterprise software, banking, healthcare, large-scale systems
Common Search/ComparisonSenior Java React vs Java Spring DeveloperSenior Java React vs Java Spring Developer

Both roles require Java expertise, but Senior Java React focuses on full-stack development combining React for front-end and Java for back-end, while Java Spring Developer specializes in server-side development using the Spring Framework. The choice depends on whether you prefer front-end or back-end specialization within Java-based projects.

What cities near Novato, CA are hiring for Senior Java React jobs?

Cities near Novato, CA with the most Senior Java React job openings:

Senior Java React jobs near you

Senior Software and AI Engineer

CoreWeave

San Francisco, CA • On-site

$144K - $190K/yr

Full-time

Re-posted 11 days ago

CoreWeave rating

9.8

Company rating: 9.8 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

1st of 224 rated it services

Job description

Job Summary:
CoreWeave is a publicly traded company providing cloud infrastructure tailored for AI innovation. The Senior Software and AI Engineer will design and develop AI agents and first-party applications to enhance CoreWeave's internal ecosystem, working across full-stack technologies and AI frameworks. This role involves building scalable backend services, integrating AI tools, and collaborating with various stakeholders to create intelligent, user-centered workflows.
Responsibilities:
• Develop agents using AI capabilities into applications using frameworks such as LangChain, LangGraph, ChatGPT API, and Glean API
• Design and build first-party web and mobile applications using React (TypeScript) and modern front-end frameworks
• Develop scalable backend services in Node.js and Go for data processing, orchestration, and automation
• Build internal AI agents and copilots that assist with tasks in Finance, Billing, and Supply Chain domains, integrating with systems like ERP, HRIS, MRP, DCIM, Data Warehouse among others - either natively or via an iPaaS like Workato or Boomi
• Implement APIs and microservices that enable modular and event-driven application architectures
• Leverage GenAI tools (Cursor, Claude, Copilot, ChatGPT Codex) to accelerate development, testing, and documentation
• Ensure robust observability, maintainability, and security across the application stack
• Collaborate with stakeholders in Finance, Accounting, Security, and Engineering to design intelligent, user-centered workflows
Qualifications:
Required:
• 3+ years of professional programming experience in languages such as TypeScript, Python, Go, C++, C#, or Java, specifically for delivering production-grade cloud services.
• Proven expertise in modern backend (e.g., FastAPI, gRPC) and frontend technologies (e.g., React, Next), including the development of scalable backend services in Node.js and Go.
• Solid familiarity with Generative AI frameworks (LangChain, LangGraph, ChatGPT API, or Glean API) and experience shipping production-grade AI/ML/LLM-based applications, or strong desire to build them.
• Solid experience designing and implementing RESTful APIs, microservices, and event-driven integration architectures.
• Strong understanding of cloud environments (AWS, Azure, or GCP), container orchestration (e.g., Kubernetes), and proficiency with DevOps and CI/CD principles.
• 3+ years of experience in scripting (Python or Bash) for automation and tooling.
Preferred:
• Experience developing AI-powered or agentic applications integrated with complex enterprise data (ERP, HRIS, DCIM, Data Warehouse).
• Proficiency with machine learning and data engineering platform tools (e.g., Ray, Kafka, Spark).
• Experience with iPaaS platforms (Workato, Boomi) for building internal AI agents and copilots.
• Exposure to the functional domains of Finance, Billing, or Supply Chain where intelligent automation can drive measurable business efficiency.
Company:
CoreWeave provides cloud infrastructure services designed to support artificial intelligence and high-performance computing workloads. Founded in 2017, the company is headquartered in Livingston, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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