H-1B Visa Javascript Developer Jobs
Javascript Developer roles qualify for H-1B visa sponsorship as specialty occupations requiring a bachelor's degree or higher in computer science, software engineering, or a related field. Employers filing H-1B petitions for this role must certify a prevailing wage through a DOL Labor Condition Application before USCIS adjudicates your petition.
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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 are seeking a highly skilled Staff JavaScript Developer to design, build, and optimize our Web SDK. This SDK will be at the core of our solutions for device fingerprinting, identity verification, and behavior analytics, enabling our customers to stay ahead in the ever-evolving fraud prevention landscape. This is not a UI or App development role, this is building SDKs for detecting fraud by analyzing device and behavioral properties. This requires deep understanding of the platform internals. As a Staff Developer, you will lead the design, development, and performance optimization of our Web SDK, leveraging your deep expertise in JavaScript, TypeScript, and modern web technologies. You will collaborate across teams to deliver a secure, scalable, and developer-friendly SDK.
Responsibilities
- Lead the development and maintenance of a high-performance Web SDK for collecting and analyzing browser and device-related data.
- Design and implement algorithms to create unique device fingerprints and capture behavior-based insights (e.g., gestures, keyboard, and mouse interactions).
- Build and maintain a robust CI/CD pipeline with automated cross-browser testing and release cycles.
- Continuously optimize SDK performance to minimize resource usage and ensure a seamless user experience.
- Stay updated on emerging web technologies, security practices, and industry trends to enhance SDK capabilities.
- Develop clean, maintainable, and well-documented code aligned with the best coding practices.
- Conduct thorough code reviews and mentor junior engineers on best practices.
- Collaborate with cross-functional teams—including product managers, designers, and QA engineers—to meet high-quality standards and customer requirements.
- Ensure data privacy and security principles are embedded in the SDK’s design and implementation.
- Drive innovation in browser-based solutions for risk, fraud detection, and device analytics.
Technical Skills
- Proficiency: JavaScript (ES6+), TypeScript, REST APIs, Git, and version control tools.
- Web SDK Expertise: Extensive experience designing and maintaining Web SDKs or libraries with a focus on data collection, tracking, or analytics.
- Browser APIs: Deep understanding of browser environments, APIs, and efficient handling of browser-related data.
- Security Principles: Strong knowledge of data privacy, encryption, hashing, and obfuscation techniques.
- Cross-browser Compatibility: Experience in building solutions that work seamlessly across various browsers and devices.
- Server-side Familiarity: Understanding of server-side technologies and RESTful APIs for data retrieval and storage.
- Build Tools: Proficiency in modern build tools and frameworks like Webpack, Babel, or Rollup.
Soft Skills
- Excellent problem-solving abilities, with attention to detail and a focus on delivering high-quality solutions.
- Strong communication and collaboration skills to work effectively in cross-functional teams.
- Ability to mentor and provide constructive feedback to junior developers.
Education & Experience
- Bachelor’s degree in computer science, Software Engineering, or a related field (or equivalent experience).
- 8+ years of experience in web development, with at least 3 years focused on building and maintaining SDKs.
- Proven track record of contributing to open-source projects or showcasing relevant work on platforms like GitHub.
PREFERRED QUALIFICATIONS
- Experience with AI-driven analytics, risk systems, or fraud prevention technologies.
- Familiarity with JavaScript SDKs, gestures, and interaction data processing.
- Prior experience in a high-scale, distributed environment.
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
If you are passionate about creating impactful web SDKs and enjoy solving complex challenges in risk and fraud prevention, we’d love to hear from you.
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 are seeking a highly skilled Staff JavaScript Developer to design, build, and optimize our Web SDK. This SDK will be at the core of our solutions for device fingerprinting, identity verification, and behavior analytics, enabling our customers to stay ahead in the ever-evolving fraud prevention landscape. This is not a UI or App development role, this is building SDKs for detecting fraud by analyzing device and behavioral properties. This requires deep understanding of the platform internals. As a Staff Developer, you will lead the design, development, and performance optimization of our Web SDK, leveraging your deep expertise in JavaScript, TypeScript, and modern web technologies. You will collaborate across teams to deliver a secure, scalable, and developer-friendly SDK.
Responsibilities
- Lead the development and maintenance of a high-performance Web SDK for collecting and analyzing browser and device-related data.
- Design and implement algorithms to create unique device fingerprints and capture behavior-based insights (e.g., gestures, keyboard, and mouse interactions).
- Build and maintain a robust CI/CD pipeline with automated cross-browser testing and release cycles.
- Continuously optimize SDK performance to minimize resource usage and ensure a seamless user experience.
- Stay updated on emerging web technologies, security practices, and industry trends to enhance SDK capabilities.
- Develop clean, maintainable, and well-documented code aligned with the best coding practices.
- Conduct thorough code reviews and mentor junior engineers on best practices.
- Collaborate with cross-functional teams—including product managers, designers, and QA engineers—to meet high-quality standards and customer requirements.
- Ensure data privacy and security principles are embedded in the SDK’s design and implementation.
- Drive innovation in browser-based solutions for risk, fraud detection, and device analytics.
Technical Skills
- Proficiency: JavaScript (ES6+), TypeScript, REST APIs, Git, and version control tools.
- Web SDK Expertise: Extensive experience designing and maintaining Web SDKs or libraries with a focus on data collection, tracking, or analytics.
- Browser APIs: Deep understanding of browser environments, APIs, and efficient handling of browser-related data.
- Security Principles: Strong knowledge of data privacy, encryption, hashing, and obfuscation techniques.
- Cross-browser Compatibility: Experience in building solutions that work seamlessly across various browsers and devices.
- Server-side Familiarity: Understanding of server-side technologies and RESTful APIs for data retrieval and storage.
- Build Tools: Proficiency in modern build tools and frameworks like Webpack, Babel, or Rollup.
Soft Skills
- Excellent problem-solving abilities, with attention to detail and a focus on delivering high-quality solutions.
- Strong communication and collaboration skills to work effectively in cross-functional teams.
- Ability to mentor and provide constructive feedback to junior developers.
Education & Experience
- Bachelor’s degree in computer science, Software Engineering, or a related field (or equivalent experience).
- 8+ years of experience in web development, with at least 3 years focused on building and maintaining SDKs.
- Proven track record of contributing to open-source projects or showcasing relevant work on platforms like GitHub.
PREFERRED QUALIFICATIONS
- Experience with AI-driven analytics, risk systems, or fraud prevention technologies.
- Familiarity with JavaScript SDKs, gestures, and interaction data processing.
- Prior experience in a high-scale, distributed environment.
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
If you are passionate about creating impactful web SDKs and enjoy solving complex challenges in risk and fraud prevention, we’d love to hear from you.
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Get Access To All JobsTips for Finding H-1B Visa Sponsorship as a Javascript Developer
Map your degree to the role
USCIS scrutinizes whether your degree field directly relates to Javascript development. A computer science or software engineering degree is the cleanest match. If your degree is in a different field, gather transcripts and employer letters showing how your coursework maps to front-end or full-stack development.
Target employers with LCA filing history
Use the OFLC Wage Search to confirm a company has filed Labor Condition Applications for Javascript or software developer roles. Employers who've filed before have an established H-1B workflow, which shortens your path from offer to petition filing.
Filter H-1B sponsors on Migrate Mate
Search Javascript Developer roles on Migrate Mate to find employers verified through DOL LCA disclosure data. You can see which companies have active sponsorship history for this specific role, so you're not spending time on employers who've never filed.
Clarify the job title before filing
Job title inconsistencies between your offer letter, LCA, and I-129 petition are a common cause of Requests for Evidence. Make sure your employer uses a consistent title, such as Software Engineer or Front-End Developer, across all three documents before USCIS receives the petition.
Check the prevailing wage level for your SOC code
Javascript Developer roles typically fall under SOC code 15-1252 (Software Developers). Run the OFLC Wage Search for your specific location and experience level. Your offered salary must meet or exceed the DOL prevailing wage, and your employer certifies this on the LCA.
Start the LCA 30 days before your cap-gap deadline
If you're on OPT and your H-1B is approved but your OPT expires before October 1, your cap-gap status lets you keep working. Your employer still needs to file early enough that USCIS receives the I-129 before your OPT end date, or you'll have a gap in authorization.
H-1B Visa Javascript Developer: Frequently Asked Questions
Does a Javascript Developer role qualify as a specialty occupation for H-1B purposes?
Yes, provided the employer requires at least a bachelor's degree in a directly related field, such as computer science or software engineering. The role can't simply accept any degree. If the job description says a degree is preferred rather than required, USCIS may issue an RFE challenging specialty occupation status. Your offer letter and job duties need to reflect that the degree is a genuine requirement.
How do I find employers who actively sponsor H-1B visas for Javascript Developer roles?
Search Javascript Developer roles on Migrate Mate, which surfaces employers based on verified DOL LCA filing history. This tells you which companies have actually sponsored this job category before, not just which ones have a general policy of considering sponsorship. Filtering by role-specific LCA data saves significant time compared to applying broadly and asking during interviews.
What happens to my H-1B if I switch from a front-end to a full-stack Javascript role at the same employer?
A material change in job duties, even at the same employer, can require an amended I-129 petition. If your responsibilities shift substantially, such as adding back-end architecture to a previously front-end role, your employer should file an amended petition with USCIS before the change takes effect. Minor expansions of existing duties typically don't require an amendment, but significant scope changes do.
Can a small startup sponsor my H-1B as a Javascript Developer?
Yes, company size doesn't determine H-1B eligibility. Startups can sponsor H-1B petitions, but USCIS scrutinizes whether small employers have the financial ability to pay the prevailing wage and maintain a bona fide employer-employee relationship. Your employer should be prepared to provide financial statements and documentation showing that the position is genuine and not a consulting arrangement.
Does contract or consulting work as a Javascript Developer affect H-1B sponsorship?
It can complicate things. H-1B rules require a clear employer-employee relationship, and USCIS applies heightened scrutiny to third-party placement arrangements where you'd work at a client site. The sponsoring employer must maintain control over your work. If a staffing firm is filing on your behalf for client placements, USCIS may request detailed itineraries and contracts to verify the arrangement is compliant.