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Java software developer Jobs in Ontario, CA

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Java software developer • ontario ca

Last updated: 3 hours ago

Remote Software Engineer

Micro1Claremont, California, US
$20.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Remote Software Engineer

Micro1Chino, California, US
$20.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Remote Senior Software Engineer

Micro1Upland, California, US
$40.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Remote Software Engineer

Micro1Rancho Cucamonga, California, US
$20.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Senior Software Engineer

Bonterra Tech LLCRemote, Ontario, CA
$120,000.00 yearly
Remote
Full-time

US based Salary: $120,000 - $150,000.Bonterra exists to propel every doer of good to their peak impact.We measure that impact against our vision to increase the giving rate as a percentage of GDP f... Show more

Dynamics CRM Developer

Strategic EmploymentChino Hills, CA, United States
$60.00 hourly
Full-time +1

Our client is seeking a seasoned Microsoft Dynamics CRM Developer for immediate hire.This is a long term contract position with the possibility of conversion to a full time/permanent position.Term:... Show more

Remote Senior Software Engineer

Micro1Ontario, California, US
$40.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

UI Developer

TECHOAUTH SOLUTIONS LLCRancho cucamonga, CA, US
$110,980.00 yearly
Full-time

Location: Rancho cucamonga, CA.We are seeking a talented UI Developer to join our team.The UI Developer will be responsible for designing and implementing user interfaces for web and mobile applica... Show more

Business Operations Coordinator

Agility Integration CorporationOntario, CA, US
$22.00 hourly
Full-time

Agility Integration has provided structured cabling, electrical, and technology infrastructure services throughout Southern California for nearly 25 years.We support local and national customers th... Show more

Remote Software Developer $60 - $120/hourpay

Micro1Eastvale, California, US
$60.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Senior Software Engineer

Cut+DryCalifornia, California, US
Full-time

Cut+Dry is a fast-growing FoodTech startup searching for flexible go-getters who welcome the challenge of meeting the needs of a rapidly expanding business.Our company is revolutionizing the $300B ... Show more

DESKTOP ENGINEER

Pomona Valley Hospital Medical CenterPOMONA, California, United States, 91767
$34.37 hourly
Full-time

The Desktop Engineer troubleshoots and resolves computer hardware, software and related technology device problems.This position also maintains, installs, upgrades, and configures computer hardware... Show more

Remote Software Developer $60 - $120/hourpay

Micro1La Verne, California, US
$60.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Remote Senior Software Engineer

Micro1Rancho Cucamonga, California, US
$40.00 hourly
Remote
Full-time

AI data lab for training frontier models and evaluating AI agents.Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more.AI... Show more

Software Automation and Integration Engineer

TDI REFRIGERATIONRancho Cucamonga, California, United States
$65,000.00 yearly
Full-time
Quick Apply

Automation & Integration Engineer – TDI Refrigeration.TDI Refrigeration is seeking an Automation & Integration Engineer to streamline and modernize how our business systems work together.Th... Show more

Software Development Engineer

DUNLOP TIRES NORTH AMERICA INCRancho Cucamonga, CA, US
Full-time

The Software Development Engineer also known as Oracle Applications Development will be responsible for end-to-end production support, including ticket resolution and partnering with users to troub... Show more

Maintenance Installation Business Developer

BrightView LandscapesUpland, CA, US
$75,000.00 yearly
Full-time

The Best Teams are Created and Maintained Here.The Maintenance Installation Business Developer is responsible for driving new business growth by identifying, pursuing, and securing contracts for sm... Show more

System Software Engineer, LLM Inference

International Recruiting LLCCalifornia, California, US
Full-time
Quick Apply

System Software Engineers in this role operate at the intersection of LLM inference optimization and novel hardware bring‑up, co‑designing software abstractions with the hardware architecture team.... Show more

Remote Digital Workspace (EUC) Pricing & Commercial Strategy Expert - AI Trainer ($180-$180 per

MercorOntario, California, US
Remote
Full-time

Mercor is recruiting on behalf of a leading AI research lab seeking experienced professionals to help evaluate how enterprise software vendors structure pricing, licensing, renewals, and go-to-mark... Show more

AI Project Manager

Lunseth Plumbing and HeatingChino Hills, CA, United States
Full-time

Sales-Hub is a fully customizable sales software for business.We believe in delivering intelligent products you can rely on, making our software the perfect tool to run and accelerate your business... Show more

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Remote Software Engineer

Remote Software Engineer

Micro1Claremont, California, US
9 days ago
Salary
$20.00 hourly
Job type
  • Full-time
  • Remote
Job description
Software Engineer$20 - $75/hourpay

Required Skills

JavaScriptTypescriptJAVAC#C++GoLangRuby

About micro1

micro1 is the leading AI data lab for training frontier models and evaluating AI agents. Experts contribute their diverse subject matter knowledge across domains such as finance, healthcare, STEM engineering, and more. micro1 transforms that real-world expertise into high-quality training data, evaluations, and feedback loops that improve how AI systems learn, reason, and perform.

Our platform identifies and vets top talent through an AI recruiter, enabling high-quality expert contributions at scale. We aim to enable 1 billion people to do meaningful work by applying their expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI.

Job Title: Software Engineering


Job Type: Contractor (10-15 hours per week)

Location: Remote


Job Summary:

We are looking for experienced software engineers to help train and evaluate next-generation AI systems through real-world software engineering tasks. This role is best suited for developers who can reason through unfamiliar codebases, explain engineering decisions clearly, and solve practical backend, full-stack, systems, or infrastructure-related problems.


A Cybersecurity/SecOps background or exposure is highly preferred


No prior AI experience is required. What matters most is strong software engineering judgment, clean technical communication, and the ability to evaluate code, architecture, tradeoffs, and implementation quality.


Key Responsibilities:


  1. Work on challenging software engineering tasks across backend, full-stack, infrastructure, and systems-related projects.
  2. Review, debug, improve, and explain code across different technical environments.
  3. Design or evaluate practical solutions involving APIs, databases, services, integrations, testing, and deployment workflows.
  4. Identify tradeoffs around scalability, maintainability, performance, reliability, security, and developer experience.
  5. Communicate technical reasoning clearly in writing, including why a solution works and what alternatives were considered.
  6. Collaborate with the customer’s team on technical reviews, implementation decisions, and problem-solving exercises.
  7. Adapt quickly to new codebases, frameworks, and technical requirements.


Required Skills and Qualifications:


  1. 3+ years of hands-on software engineering experience.
  2. Strong experience in at least one backend or full-stack engineering environment, such as Python, JavaScript/TypeScript, Node.js, Java, C++, Go or Ruby
  3. Experience building, maintaining, or reviewing production-level applications, APIs, services, databases, or integrations.
  4. Strong understanding of software engineering fundamentals, including debugging, testing, code quality, architecture, and technical tradeoffs.
  5. Ability to explain complex engineering decisions clearly and objectively.
  6. Comfortable reading and reasoning through unfamiliar code or technical requirements


Preferred Qualifications:

  1. Experience with cloud environments such as AWS, GCP, or Azure.
  2. Experience with CI/CD pipelines, DevOps workflows, containers, monitoring, or production operations.
  3. Experience with frontend frameworks such as React, Next.js, Angular, Vue, or React Native.
  4. Open-source contributions, public GitHub work, technical writing, or strong examples of past engineering work.
  5. Experience mentoring engineers, reviewing code, or making architecture decisions.