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Remote Java Developer Startup Jobs in California

YO AI Labs

Backend Developer - Remote

San Jose, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Backend Developer - Remote

Los Angeles, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Frontend Developer - Remote

San Jose, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Frontend Developer - Remote

San Francisco, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Frontend Developer - Remote

Palo Alto, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

Frontend Developer - Remote

Los Angeles, CA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Zipstack

$144K - $190K/yr

Working at an early stage startup means that your inputs to any problem you feel is worth tackling ... We follow a DevOps culture, meaning you own everything from end-to-end: from development to running ...

Tilda Research

We work with a diverse set of customers, from large pharma to startup biotech, helping them with ... Remote first * Flexible PTO and hours Employment Type: FULL_TIME

59 Pines

Remote iOS Developer

Laguna Beach, CA · Remote

$90K - $140K/yr

We're hiring an iOS Developer to own our native iPhone app -- Swift, SwiftUI/UIKit, App Store ... Why so flexible? We're a FUNDED startup racing to launch end of Q3 2026. That gives us just 3 ...

PTP

DevOps Engineer - REMOTE

CA · On-site +1

Java programming Salary is DOE and is extremely competitive. We are a growing company with a solid customer base, excellent compensation and benefits, and a collaborative yet flexible work ...

NEOGOV

Software Architect (Java)

El Segundo, CA · On-site +1

$67 - $90.50/hr

About This role is remote from anywhere in the US and Canada. NEOGOV is a proud AI-Enabled SaaS ... In this role, you will lead the architectural strategy for a group of five engineering teams ...

NEOGOV

Software Architect (Java)

El Segundo, CA · Remote

$67 - $90.50/hr

About This role is remote from anywhere in the US and Canada. NEOGOV is a proud AI-Enabled SaaS ... In this role, you will lead the architectural strategy for a group of five engineering teams ...

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Remote Java Developer Startup information

What is a remote Java developer at a startup?

A Remote Java Developer at a startup is a software engineer who specializes in using the Java programming language to build and maintain applications, while working from a location outside the traditional office environment. In a startup setting, these developers often work on a wide range of tasks, from backend development to integrating new technologies, due to the fast-paced and dynamic nature of startups. Remote Java Developers collaborate with team members through online tools and are expected to be self-motivated, flexible, and able to handle multiple responsibilities. Their work is crucial for building scalable, efficient, and innovative software solutions that help startups grow and compete in the market.

What are the key skills and qualifications needed to thrive as a remote Java developer at a startup?

To thrive as a Remote Java Developer at a startup, you need strong proficiency in Java programming, software development principles, and experience with frameworks like Spring, along with a relevant degree or equivalent experience. Familiarity with version control systems (such as Git), build tools (like Maven or Gradle), and cloud platforms (AWS, Azure, or Google Cloud) is typically required. Excellent problem-solving, self-motivation, and effective remote communication are crucial soft skills in this fast-paced environment. These skills enable you to deliver robust, scalable solutions efficiently while collaborating seamlessly with distributed teams under tight startup timelines.

How does a remote Java developer at a startup typically collaborate with cross-functional teams?

As a remote Java developer at a startup, you can expect to work closely with product managers, designers, and other developers through digital collaboration tools like Slack, Jira, and GitHub. Regular stand-up meetings and sprint planning sessions are common to ensure alignment on project goals and timelines. Since startups often have smaller, agile teams, your input may also influence product decisions, and you might be involved in multiple project phases from ideation to deployment. Clear communication and proactive participation are essential for effective teamwork in this remote, fast-paced environment.

What is the difference between Remote Java Developer Startup vs Remote Java Developer Enterprise?

AspectRemote Java Developer StartupRemote Java Developer Enterprise
CredentialsBachelor's in CS or related field, Java certificationsBachelor's in CS or related field, Java certifications
Work EnvironmentFast-paced, flexible, small teamsStructured, larger teams, formal processes
Employer & IndustryStartups, tech innovation sectorsLarge corporations, finance, healthcare
Search & Comparison IntentYesYes

Remote Java Developer Startup roles typically involve working in dynamic, smaller teams with a focus on innovation and flexibility. In contrast, Remote Java Developer Enterprise positions are within larger organizations with structured processes and formal workflows. Both roles require similar technical skills and certifications, but differ in work environment and company size.

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

The most popular types of Java Developer Startup jobs in California are:

What are popular job titles related to Remote Java Developer Startup jobs in California?

For Remote Java Developer Startup jobs in California, the most frequently searched job titles are:

What job categories do people searching Remote Java Developer Startup jobs in California look for?

The top searched job categories for Remote Java Developer Startup jobs in California are:

What cities in California are hiring for Remote Java Developer Startup jobs?

Cities in California with the most Remote Java Developer Startup job openings:

Remote Java Developer Startup jobs near you
Infographic showing various Remote Java Developer Startup job openings in California as of August 2026, with employment types broken down into 79% Full Time, 8% Part Time, and 13% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Backend Developer - Remote

San Jose, CA • Remote

YO AI Labs
See more jobs at YO AI Labsexternal

$80 - $120/hr

Full-time

Posted 14 days ago

Job description

Senior Software Engineer

Job Type: Contractor (~15 hours/week)
Location: Remote

Job Summary

We are seeking experienced Senior Software Engineers to support an AI training project by creating reinforcement learning environments that evaluate AI models on complex software engineering tasks using Model Context Protocol (MCP) tools.

You will design reproducible environments, deterministic verification, and reference solutions for tasks such as bug fixing, feature implementation, codebase refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities
  • Create reinforcement learning environments for software engineering tasks.
  • Design tasks involving bug fixing, feature development, refactoring, and performance optimization.
  • Build deterministic verification systems and golden reference solutions.
  • Evaluate AI agents' ability to reason through complex codebases and use MCP tools effectively.
  • Develop realistic, reproducible software engineering scenarios.
  • Ensure tasks accurately measure coding ability, problem-solving, and tool usage.
  • Document solutions and provide clear technical feedback.
Required Skills
  • Strong proficiency in Python 3, Java, Rust, C++, or TypeScript.
  • Strong understanding of algorithms and data structures.
  • Experience with bug fixing and debugging complex software issues.
  • Proven experience in feature implementation and codebase refactoring.
  • Strong knowledge of performance optimization and tuning.
  • Excellent written and verbal communication.
  • Strong attention to detail.
Preferred Qualifications
  • Experience working with large-scale or distributed codebases.
  • Familiarity with AI/ML systems is a plus but not required.
  • Experience with rigorous code reviews and software engineering best practices.
  • Experience working effectively in remote or cross-functional teams.
Hiring Process
  1. Submit an application and screening questions.
  2. Complete an AI interview (~30 minutes).
  3. Complete a technical assessment, if required.
  4. Hiring Manager review.
Compensation

Compensation is output-based, with payment provided per task that meets project specifications. Minimum weekly submission requirements may apply.

Availability

Selected experts should be prepared to begin their first tasks within 24–48 hours of completing onboarding.