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Contract Backend Developer Jobs in California (NOW HIRING)

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 · 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 ...

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 ...

Job Mobz

Remote Backend SWE

San Francisco, CA · Remote

Company Description This is a contract position for one of our fintech clients. This person will be working within either the brokerage or crypto teams! We're looking for a backend engineer who gets ...

Job Mobz

Remote Backend SWE

San Francisco, CA · On-site +1

Company Description This is a contract position for one of our fintech clients. This person will be working within either the brokerage or crypto teams! We're looking for a backend engineer who gets ...

Attain

Lead Backend Engineer

Redwood City, CA · On-site

This is an exciting opportunity for a senior developer who is excited about growing into a broader ... Define and maintain clean, well-documented APIs and client-server contracts used by iOS and Android ...

Attain

Lead Backend Engineer

Redwood City, CA · On-site

This is an exciting opportunity for a senior developer who is excited about growing into a broader ... Define and maintain clean, well-documented APIs and client-server contracts used by iOS and Android ...

De Circle

Odos - Backend Engineer

San Francisco, CA · On-site +1

About the Role: We're looking for a dynamic, fast-paced individual who is excited to play a crucial role in a lean team as a core Backend and Smart Contract Engineer. This role will be responsible ...

Usul

Backend Platform Engineer

San Francisco, CA · On-site

$180K - $240K/yr

We're the youngest founders to ever win a US Defense contract. Over the past year, we've helped ... Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS/GCP, and agentic/LLM tooling. * Bonus:

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All JobsContract Backend Developer JobsContract Backend Developer Jobs in California

Contract Backend Developer information

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 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 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.

Sr. Backend Engineer

Addison Group

San Ramon, CA • On-site

$65 - $75/hr

Contractor

Medical, Dental, Vision, Retirement

Re-posted 15 days ago

Job description

Title: Sr. Backend Engineer
Location: 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 step in as a technical leader and force multiplier for their engineering team. This person will play a critical role in backend architecture, code quality, and mentorship-helping scale the team by freeing up current leads and elevating overall engineering standards.
Typical Day to Day:
• Participate in sprint cycles with hands-on coding and design (early sprint)
• Conduct PR reviews and enforce code quality standards (later sprint focus)
• Provide architectural guidance and evaluate tradeoffs (performance vs. functionality)
• Mentor engineers and provide feedback to improve overall team output
• Partner with team on discovery work, POCs, and new initiatives
Tech Stack:
• Frontend: React, TypeScript
• Backend:
o Python (API platform, AWS Lambda, dynamic DBs)
o Node.js, TypeScript, GraphQL
Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. Addison Group complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

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