Parttime React Js Developer Jobs in California (NOW HIRING)

Role Summary

BadVR is looking for a part-time hourly Node.js developer to help maintain and extend a server-side JavaScript codebase that supports REST administration APIs, authenticated WebSocket synchronization for VR/XR and web clients, SQLite persistence, UDP discovery, MQTT messaging, and MCP tooling integrations. This role is best suited for an enthusiastic dev who can contribute independently in a focused codebase, architect plans for new features, and write production-minded JavaScript with automated test coverage.

DISCLAIMER: This is a part-time W2 employee hourly position with working hours from 10AM-6PM PST, Monday through Friday (with occasional night and weekend time). It will require the employee to work on company-issued computers with pre-installed activity-tracking software. During working hours, the employee must screen-share with the team and have their web-camera on. These working policies are non-negotiable.

Time Commitment

• Part-time role; approximately 10-20 hours per week
• Flexible schedule with enough overlap for planning, code review, and release coordination
• Initial engagement can begin as a short trial project focused on a well-scoped bug fix or feature

Job Duties

• Maintain and extend Express REST and WS endpoints for both text and binary protocols
• Add or improve mocha tests across isolated test suites, with code coverage metrics
• Build and test SQLite-backed domain logic using better-sqlite3
• Support integrations like MQTT broker, UDP discovery, file watchers, virtual assets, and AI MCP tooling
• Document implementations, operational assumptions, and developer workflows for future contributors

Required Qualifications (MANDATORY)

• Strong professional experience (minimum 5 years of professional experience) with modern Node.js and JavaScript ES modules
• Experience building REST APIs with Express under unit and integration tests w/ Mocha, Chai, Supertest
• Comfortable working in an existing codebase and following established conventions
• Strong Git hygiene: small commits, clear commit messages, and review-friendly pull requests
• Clear written communication for asynchronous technical collaboration

Preferred Qualifications

• Experience with multiplayer and binary networking protocols
• Familiarity with MQTT, UDP discovery, local network services, and edge deployment
• Interest in AI developer tooling or Model Context Protocol integrations
• Comfort debugging Node.js applications on Linux or embedded/router-like environments
• Active (or prior) security clearance

Company Description

BadVR is the world's first immersive data visualization and analytics platform. BadVR brings data into high-definition, making it easier to discover and identify hidden problems and opportunities, helping businesses make better decisions, faster. Based in Manhattan Beach, CA, the rapidly-growing tech startup has attracted industry attention with its pioneering AR and VR demos, allowing people to - quite literally - 'step inside their data.'

Our product is already empowering users across America through our work with Magic Leap, UNDP, National Science Foundation, and more. But-we are just getting started! If you have the passion, ambition, and collaborative spirit to create a future where data is universally accessible to all and meaningfully easy, come work with us!

BadVR is committed to bringing together individuals from different backgrounds and perspectives. We strive to create an inclusive environment where everyone can thrive, feel a sense of belonging, and do great work together. As an equal opportunity employer, we prohibit any unlawful discrimination against a job applicant on the basis of their race, color, religion, veteran status, sex, parental status, gender identity or expression, transgender status, sexual orientation, national origin, age, disability or genetic information. We respect the laws enforced by the EEOC and are dedicated to going above and beyond in fostering diversity across our company.

Those with previous experience with AR/VR technology or a passion for it are greatly encouraged to apply!

MANDATORY: When submitting your resume, please share a link to your portfolio and / or Github.

Pay: $40-50.00 per hour, DOE

Benefits:

• Health, Vision, and Dental insurance (w/infertility riders including egg freezing)
• Life and ADD and Disability insurance
• Generous Sick Leave Policies
• Equity packages

Experience:

• Node.js development: Minimum 5 years (Required)

Education:

• High school or equivalent experience

Language:

• English (Required)

Work Authorization:

• United States (Required)

Work Location:

• Remote

Job Type: Part-Time Hourly (W2)

Pay: $40.00-50.00 per hour

Benefits:

• 401(k)
• AD&D insurance
• Dental insurance
• Disability insurance
• Health insurance
• Life insurance
• Paid sick time
• Vision insurance