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Contract Backend Developer Jobs in California (NOW HIRING)

Kasmo Global

Java Developer

Mountain View, CA · On-site

$59.75 - $77.25/hr

Java Backend Developer / Java Frontend Developer Location: Bay Area, Mountain View CA Duration: Contract Java, Spring Boot, AWS, SQL, CI/CD, API, REST, Micro-services, Swagger, etc. Preferably with ...

INENT INC

CQ5

San Jose, CA · On-site

CQ5 Developer with Customization experience is a MUST (Backend developer who has worked with API, JAVA) Number of positions: 2 (Contract position) Duration for contract position: Min 1+ year (Based ...

Kasmo Global

Java Developer

Mountain View, CA · On-site

$59.75 - $77.25/hr

Java Backend Developer / Java Frontend Developer Location: Bay Area, Mountain View CA Duration: Contract Java, Spring Boot, AWS, SQL, CI/CD, API, REST, Micro-services, Swagger, etc. Preferably with ...

Addison Group

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

San Ramon, CA Pay : $65-75/hr Job Type : 6 Month Contract Schedule : 4 days onsite Benefits : Medical, Dental, Vision, 401k A popular clothing brand is looking for a Staff-level Backend Engineer to ...

Addison Group

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

San Ramon, CA Pay : $65-75/hr Job Type : 6 Month Contract Schedule : 4 days onsite Benefits : Medical, Dental, Vision, 401k A popular clothing brand is looking for a Staff-level Backend Engineer to ...

Addison Group

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

San Ramon, CA Pay : $65-75/hr Job Type : 6 Month Contract Schedule : 4 days onsite Benefits : Medical, Dental, Vision, 401k A popular clothing brand is looking for a Staff-level Backend Engineer to ...

Lendistry

Sr Staff Engineer Backend

Los Angeles, CA · On-site

Core lending services - origination, application intake, decisioning orchestration, contract ... Research and pilot new tools and patterns to improve developer velocity, platform reliability, and ...

Lendistry

Sr Staff Engineer Backend

Santa Clara, CA

Core lending services - origination, application intake, decisioning orchestration, contract ... Research and pilot new tools and patterns to improve developer velocity, platform reliability, and ...

Lunar Labs

Backend Engineer

San Mateo, CA · On-site

As a Backend Engineer, you will enhance the data infrastructure and ensure reliable, real-time ... Preferred : • Experience working with complex DeFi or financial smart contract systems, including ...

IESF AG

Senior Web3 Back End Engineer

San Francisco, CA · On-site +1

We are seeking for a seasoned backend engineer with sharp web3 expertise. You will help design and ... Strong experience integrating with protocols and smart contracts, including complex transaction ...

IESF AG

Senior Web3 Back End Engineer

San Francisco, CA · Remote

We are seeking for a seasoned backend engineer with sharp web3 expertise. You will help design and ... Strong experience integrating with protocols and smart contracts, including complex transaction ...

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Showing results 21-40

All JobsContract Backend Developer JobsContract Backend Developer Jobs in California

Contract Backend Developer information

What is a contract backend developer?

Contract backend developers are professionals hired on a temporary or project basis to build and maintain the server-side logic, databases, and APIs that power web or mobile applications. They work behind the scenes to ensure that applications function smoothly, handle data efficiently, and communicate effectively with front-end systems. Unlike full-time employees, contract backend developers typically work for a set duration or on specific projects, offering flexibility to both clients and developers. They often bring specialized expertise in programming languages such as Python, Java, Node.js, or Ruby, and may work remotely or on-site depending on the contract terms.

What are the key skills and qualifications needed to thrive as a contract backend developer, and why are they important?

To thrive as a Contract Backend Developer, you need strong programming skills in languages like Python, Java, or Node.js, along with experience in database management and API development, supported by a relevant degree or proven project experience. Familiarity with frameworks (such as Django, Spring, or Express), cloud services (like AWS or Azure), and version control systems (e.g., Git) is typically expected. Excellent problem-solving abilities, strong communication, and the ability to quickly adapt to new codebases and team environments set top contractors apart. These skills and qualities are crucial for delivering reliable, scalable backend solutions and integrating smoothly into diverse project teams.

What are some common challenges faced by contract backend developers when joining a new project?

Contract Backend Developers often encounter challenges such as quickly understanding existing codebases, adapting to different tech stacks, and aligning with the team's development practices. Since contract roles usually have tight deadlines, developers must rapidly familiarize themselves with project documentation and workflows. Effective communication with team members and proactive clarification of requirements are essential to ensure smooth integration and successful project outcomes.

What are the most commonly searched types of Backend Developer jobs in California?

The most popular types of Backend Developer jobs in California are:

What are popular job titles related to Contract Backend Developer jobs in California?

For Contract Backend Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Contract Backend Developer jobs in California look for?

The top searched job categories for Contract Backend Developer jobs in California are:

What cities in California are hiring for Contract Backend Developer jobs?

Cities in California with the most Contract Backend Developer job openings:

Contract Backend Developer jobs near you
Infographic showing various Contract Backend Developer job openings in California as of August 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 100% In-person job distribution.

Backend Java Developer

Pasadena, CA • On-site

Indotronix International Corporation
Recruiting and Staffing Services • 1 - 5K employees
Learn more about Indotronix International Corporationexternal

$55 - $71.50/hr

Contractor

Re-posted 18 days ago

Job description

Backend Java Developer - AI-Augmented Engineering Environment
Location: Pasadena, CA, 91101 (Hybrid - Onsite Interview Required)
Job Type: 6+ Month Contract (C2C)
Project: Advanced AI-Integrated Backend Systems
About the Role
Join an innovative engineering team driving the next generation of scalable, AI-augmented backend systems. As a Backend Java Developer, you'll architect and develop robust, event-driven microservices, leverage leading cloud and AI technologies, and collaborate with cross-functional experts in a dynamic, growth-focused environment. This is your opportunity to work with advanced LLM agent workflows, modern DevOps practices, and cloud-native solutions while building impactful applications for a global enterprise.
Responsibilities
- Design, build, and maintain high-performance backend services using Java, Spring Boot, and Microservices.
- Develop secure and scalable RESTful APIs and event-driven solutions leveraging Kafka and message queues.
- Integrate and optimize AI agent workflows (e.g., Copilot, Amazon Q) to automate and enhance engineering processes.
- Collaborate closely with front-end teams to deliver seamless, interactive user experiences.
- Deploy, monitor, and manage applications on AWS Cloud using modern deployment strategies.
- Ensure code quality through rigorous unit testing, E2E frameworks, and code reviews.
- Build and maintain CI/CD pipelines for streamlined development and release cycles.
- Troubleshoot, debug, and resolve issues to ensure high application availability and responsiveness.
- Stay at the forefront of backend and AI technology trends to drive continuous improvement.
Required Skills and Experience
- 8+ years as a Java Developer focused on backend systems
- Expertise in Java, Spring Boot, Microservices Architecture
- Strong experience with RESTful APIs, Kafka/message queues, event-driven systems
- Practical knowledge of AWS cloud services and cloud deployment strategies
- Hands-on with CI/CD pipelines, build tools, and DevOps practices
- Experience with Docker, Kubernetes, and container orchestration
- Familiarity with SQL (Postgres) and NoSQL databases
- Proficient in testing frameworks and E2E testing methodologies
- Skilled with Git version control
- Direct experience integrating and leveraging AI agent workflows (Copilot, Amazon Q)
- Agile development environment experience
- Excellent communication and teamwork skills
Preferred Skills
- Experience with GraphQL APIs
- Exposure to complex, large-scale distributed backend systems
Benefits
- Exposure to advanced AI and LLM-powered engineering workflows
- Collaborative, technology-driven team culture with opportunities for upskilling
- Work on high-visibility projects with real-world impact
- Hybrid work flexibility (virtual & onsite)
- Streamlined 2-step interview process
How to Apply
Ready to accelerate your career in backend engineering and AI? Submit your resume through our job portal. Qualified candidates will be contacted promptly for the first round (virtual) interview.
Indotronix logo

About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US

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