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Hourly Freelance Backend Developer Jobs in California

Zūm

Staff Engineer, Backend Platform

Redwood City, CA · On-site

$240K - $280K/yr

We are looking to add a Staff Engineer, Backend Platform to our Backend Engineering team. You will ... If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental ...

Zūm

Staff Engineer, Backend Platform

Redwood City, CA · On-site

$240K - $280K/yr

We are looking to add a Staff Engineer, Backend Platform to our Backend Engineering team. You will ... If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental ...

Zūm

Senior Engineer, Backend Platform

Redwood City, CA

$190K - $260K/yr

If you are a self-driven developer who enjoys solving complex problems and building impactful ... If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental ...

Zūm

Senior Engineer, Backend Platform

Redwood City, CA · On-site

$190K - $260K/yr

If you are a self-driven developer who enjoys solving complex problems and building impactful ... If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental ...

Verkada

Senior Backend Engineer

San Mateo, CA · On-site

$140K - $220K/yr

About the Role We are looking for experienced back-end engineers to join the Verkada Core Command ... Estimated Hourly Pay Range $140,000-$220,000 USD Annual Pay Range At Verkada, we want to attract ...

Sawhorse Productions

Roblox 2D Artist

Los Angeles, CA · On-site +1

$20 - $50/hr

You will collaborate closely with developers, designers, and creative leads to ensure assets are visually compelling, performant, and platform-native. This is an hourly freelance position, with ...

Sawhorse Productions

Roblox 2D Artist

Los Angeles, CA

$20 - $50/hr

You will collaborate closely with developers, designers, and creative leads to ensure assets are visually compelling, performant, and platform-native. This is an hourly freelance position, with ...

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Infographic showing various Hourly Freelance Backend Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 51% Full Time, 44% Part Time, 1% Temporary, and 3% Contract. Highlights an 99% Physical, and 1% Remote job distribution.

Staff Engineer, Backend Platform

Zūm

Redwood City, CA • On-site

$240K - $280K/yr

Full-time

Re-posted 12 days ago

Zūm rating

7.3

Company rating: 7.3 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

5th of 22 rated coach operators

Job description

About Zūm:
Zūm is revolutionizing mass mobility with its Connected Mobility Experience (Zūm CMX™) system that connects and coordinates people, vehicles, and operations in real time. In the $50 billion student mobility market – the largest segment of the mass mobility industry – Zūm CMX  is transforming a daily source of anxiety and disruption into a reliable, transparent, and efficient mobility experience for students and families. Today, more than 6,500 schools rely on Zūm CMX. Recognized globally for its innovative approach and operational execution, Zūm has been named to Fast Company’s World’s Most Innovative Companies, CNBC Disruptor 50 and Changemakers, the World Economic Forum, and the Financial Times’ Fastest Growing Companies lists. Zūm is backed by leading investors including Sequoia Capital, GIC, TPG, and Softbank.

This role is based at the Company’s headquarters in Redwood Shores, CA and requires you to be onsite 3x/week (Monday, Tuesday, and Thursday). We will only consider candidates already based in the Bay Area.
 
Who You Are:
 
We are looking to add a Staff Engineer, Backend Platform to our Backend Engineering team. You will be responsible for hands-on contributions in building Zūm’s technology platform. At Zūm, we value developers who are self-driven and able to devise simple solutions to complex problems, and thrive in building products with full ownership that will have a significant impact on the company's business. If this sounds like you, then you will love this Job.
 
What You'll Do:
 
You will be a core contributor in designing the architecture of our Backend platform. Work with 2-4 backend developers to deliver high-quality product features Introduce tools and processes to scale (and accelerate) our development processes. Work with the Product and Design team to plan and deliver new product features Improve our existing Backend platform while adding new features and content to our product. Hands-on coding while you own the full development lifecycle—from ideation to deployment—and quickly see the impact of your work.
 
What You Bring To Zūm:
 
• Bachelor’s degree or higher in Computer Science (or equivalent).8+ years of industry experience as a Software Engineer or Staff Engineer.
• Proven experience building backend systems for enterprise-level applications across multiple platforms.
• Strong hands-on skills in architectural design and backend development.
• Experience with relational and non-relational databases.
• Proficiency in one or more backend programming languages: Node.js, Java, or Python.
• Hands-on experience deploying and managing applications in cloud environments (AWS or Google Cloud).
• Experience building scalable systems—both vertically and horizontally.
• Proficient in developing APIs for internal and external use with a strong focus on performance, scalability, and security.
• Experience with microservice-based architectures.
 
Other skills required to succeed in this role:
 
• Strong technical experience and eagerness to enforce and establish good coding conventions
• Good planning, organization, and decision-making skills
• Good communication with engineers, product managers, and other stakeholders
 
Bonus Points:
 
• Passionate about working for a mission-driven company
• Experience working in the transportation industry
• Strong experience with NodeJS and Typescript
 
The targeted base salary range for this role is listed in the compensation section below. Actual salary may be above or below this range based on factors such as location, skills, and relevant experience. In addition, this position may include additional compensation in the form of equity or commissions. If you are a full-time salaried or hourly worker, we offer the following benefits: Medical, Dental, Vision, 401(k), Holidays, Wellness, Vacation, and more. The targeted pay range for this role in CA, USA is: $240,000 - $280,000 plus stock options.
Zūm Services, Inc. and all its subsidiaries provide equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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