Full Stack Engineer Visa Sponsorship Jobs in California
California is one of the most active states for full stack engineer visa sponsorship, driven by tech giants like Google, Apple, Meta, and Salesforce alongside thousands of startups in the Bay Area, Los Angeles, and San Diego. Companies here regularly sponsor H-1B visa and other work visas for engineers who can work across front-end and back-end systems.
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Get Access To All JobsINTRODUCTION
Shape the future of trust in the age of AI. At Oscilar, we're building the most advanced AI Risk Decisioning™ Platform. Banks, fintechs, and digitally native organizations rely on us to manage their fraud, credit, and compliance risk with the power of AI. If you're passionate about solving complex problems and making the internet safer for everyone, this is your place.
Why Join Us
- Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer.
- Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward.
- Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk.
JOB DESCRIPTION
We’re now building a new AI Agent Platform to supercharge this mission — creating intelligent, autonomous systems that proactively surface insights, act on risk events, and continuously learn from billions of signals across our data engine. We’re looking for engineers who think fast, prototype faster, and love solving open-ended problems at the intersection of AI, full-stack development, and risk intelligence.
What You’ll Do
- Design and build full-stack systems powering Oscilar’s next-gen AI agents — from backend APIs and data pipelines to fast, interactive frontends.
- Implement serverless architectures using AWS Lambda and Python for high-scale, event-driven processing of risk signals and fraud patterns.
- Experiment with agentic frameworks, LLM-driven automation, and reasoning systems to address fraud, risk scoring, and AML-related challenges.
- Collaborate directly with founders and product leaders to shape the architecture and roadmap of our agentic platform.
- Move fast — ship MVPs, test hypotheses with production data, and iterate weekly.
- Apply practical AI — using GenAI, embeddings, and retrieval pipelines for data storytelling, graph reasoning, and case automation.
What You’ll Bring
- 4+ years of experience as a Full-Stack or Backend Engineer (TypeScript, Python, React, Node, or similar).
- Proven ability to take products from zero to one in fast-moving environments.
- Strong understanding of distributed systems, system design, and cloud-native architectures (AWS / Kubernetes / modern CI/CD).
- Curiosity and hacker mentality — you learn new tools quickly and aren’t afraid to dive deep.
- Bonus: Experience with AWS Bedrock for building and scaling generative AI applications.
- Bonus: experience with LLM frameworks (LangGraph, Guardrails, LangChain, etc.) or building multi-agent or autonomous workflows.
- Bonus: background in financial risk, real-time decisioning, or fraud detection systems.
BENEFITS
- Compensation: Competitive salary and equity packages, including a 401k
- Flexibility: Remote-first culture — work from anywhere
- Health: 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
- Balance: Unlimited PTO policy
- Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product
- Culture: Family-Friendly environment; Regular team events and offsites
- Development: Unparalleled learning and professional development opportunities
- Impact: Making the internet safer by protecting online transactions
INTRODUCTION
Shape the future of trust in the age of AI. At Oscilar, we're building the most advanced AI Risk Decisioning™ Platform. Banks, fintechs, and digitally native organizations rely on us to manage their fraud, credit, and compliance risk with the power of AI. If you're passionate about solving complex problems and making the internet safer for everyone, this is your place.
Why Join Us
- Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer.
- Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward.
- Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk.
JOB DESCRIPTION
We’re now building a new AI Agent Platform to supercharge this mission — creating intelligent, autonomous systems that proactively surface insights, act on risk events, and continuously learn from billions of signals across our data engine. We’re looking for engineers who think fast, prototype faster, and love solving open-ended problems at the intersection of AI, full-stack development, and risk intelligence.
What You’ll Do
- Design and build full-stack systems powering Oscilar’s next-gen AI agents — from backend APIs and data pipelines to fast, interactive frontends.
- Implement serverless architectures using AWS Lambda and Python for high-scale, event-driven processing of risk signals and fraud patterns.
- Experiment with agentic frameworks, LLM-driven automation, and reasoning systems to address fraud, risk scoring, and AML-related challenges.
- Collaborate directly with founders and product leaders to shape the architecture and roadmap of our agentic platform.
- Move fast — ship MVPs, test hypotheses with production data, and iterate weekly.
- Apply practical AI — using GenAI, embeddings, and retrieval pipelines for data storytelling, graph reasoning, and case automation.
What You’ll Bring
- 4+ years of experience as a Full-Stack or Backend Engineer (TypeScript, Python, React, Node, or similar).
- Proven ability to take products from zero to one in fast-moving environments.
- Strong understanding of distributed systems, system design, and cloud-native architectures (AWS / Kubernetes / modern CI/CD).
- Curiosity and hacker mentality — you learn new tools quickly and aren’t afraid to dive deep.
- Bonus: Experience with AWS Bedrock for building and scaling generative AI applications.
- Bonus: experience with LLM frameworks (LangGraph, Guardrails, LangChain, etc.) or building multi-agent or autonomous workflows.
- Bonus: background in financial risk, real-time decisioning, or fraud detection systems.
BENEFITS
- Compensation: Competitive salary and equity packages, including a 401k
- Flexibility: Remote-first culture — work from anywhere
- Health: 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US)
- Balance: Unlimited PTO policy
- Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product
- Culture: Family-Friendly environment; Regular team events and offsites
- Development: Unparalleled learning and professional development opportunities
- Impact: Making the internet safer by protecting online transactions
Full Stack Engineer Job Roles in California
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Search Full Stack Engineer Jobs in CaliforniaFull Stack Engineer Jobs in California: Frequently Asked Questions
Which companies sponsor visas for full stack engineers in California?
California's largest H-1B sponsors for full stack and software engineering roles include Google, Apple, Meta, Salesforce, Adobe, Oracle, and Airbnb, along with mid-size tech companies and funded startups across the Bay Area and Los Angeles. Many of these companies have established immigration programs and regularly file H-1B petitions for engineers across their product and platform teams.
Which visa types are most common for full stack engineer roles in California?
The H-1B is the most common visa for full stack engineers in California, as software development roles consistently qualify as specialty occupations requiring at least a bachelor's degree in computer science or a related field. Australian citizens may qualify for the E-3 visa. Canadian and Mexican nationals can explore the TN visa. Those with extraordinary ability may be eligible for the O-1 visa.
Which cities in California have the most full stack engineer sponsorship jobs?
The San Francisco Bay Area, including San Jose, Mountain View, and Sunnyvale, accounts for the largest concentration of full stack engineer sponsorship positions in California. Los Angeles has a growing tech sector with companies like Snap, Riot Games, and numerous startups. San Diego also has notable opportunities, particularly in biotech-adjacent software and defense tech companies.
How to find full stack engineer visa sponsorship jobs in California?
Migrate Mate filters job listings specifically by visa sponsorship availability, making it straightforward to find full stack engineer roles in California without sifting through postings that don't offer sponsorship. You can search by location and role type to surface positions at companies actively filing H-1B and other work visa petitions for engineers in California's tech hubs.
Are there any California-specific considerations for full stack engineers seeking visa sponsorship?
California's prevailing wage requirements under H-1B rules are among the highest in the country due to the state's elevated cost of living and competitive tech market, meaning employers must pay at least the Department of Labor's prevailing wage for the role and location. California is also a major source of OPT-to-H-1B pipelines, with universities like UC Berkeley, UCLA, and Stanford producing significant numbers of international engineering graduates annually.
What is the prevailing wage for sponsored full stack engineer jobs in California?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.