BioCatch

Behavioral analytics for digital fraud detection

Web Solutions Engineer

Implementation & Technical Account ManagementConfirmed live in the last 24 hours

Full-timeTel Aviv-Yafo, IsraelNo salary listedHybrid

About the Job

Requirements

At least 5 years of hands-on experience with JavaScript or TypeScript and modern web development, including ES6+, DOM APIs, and asynchronous patterns.
Strong experience with React, Next.js, and production-grade web applications.
Deep understanding of browser fundamentals, including differences among Chrome, Safari, and Firefox; WebView nuances; event loops; and rendering behavior.
Excellent knowledge of network mechanics, including headers, cookies, CORS, CSP, redirects, and caching layers.
Ability to troubleshoot complex, multi-layered web issues end-to-end.
Strong communication skills, especially in enterprise-facing environments.
Ability to explain complex technical concepts clearly to technical and non-technical audiences.
High proficiency in written and spoken English.
Experience working in a global, cross-time-zone environment.
Ability to work independently, be resourceful, and own high-impact technical investigations.

Responsibilities

Lead Web SDK integrations for global enterprise customers, primarily in banking and financial sectors.
Investigate and resolve advanced web issues, including CORS, cookies, storage, CSP, CDN failures, ad blockers, redirects, caching, and hybrid/WebView behaviors.
Support Solution Engineers, R&D, and BioCatch customers by providing high-level technical expertise, root cause analysis, and guidance on complex edge cases, and ensure successful deployments.
Manage SDK configurations and version upgrades, including bootstrapping, NPM delivery, session continuity, and environment tuning.
Create and maintain technical guides, best practices, and internal training to empower Solution Engineering teams across regions.
Ensure integrations are secure, resilient, and optimized across browsers, devices, and customer environments.

Desired Qualifications

Experience integrating or supporting SDKs, libraries, or SaaS platforms.
Familiarity with mobile WebView behavior on iOS and Android, including hybrid apps.
Experience collaborating with cross-functional engineering groups.
Understanding of data collection patterns or instrumentation frameworks.

BioCatch is the leader in Behavioral Biometrics, a technology that leverages machine learning to analyze an online user’s physical and cognitive digital behavior to protect individuals online. BioCatch’s mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease coexist.Today, 32 of the world's largest 100 banks and 210 total financial institutions rely on BioCatch Connect™ to combat fraud, facilitate digital transformation, and grow customer relationships.. BioCatch’s Client Innovation Board, an industry-led initiative including American Express, Barclays, Citi Ventures, and National Australia Bank, helps BioCatch to identify creative and cutting-edge ways to leverage the unique attributes of behavior for fraud prevention. With over a decade of analyzing data, more than 80 registered patents, and unparalleled experience, BioCatch continues to innovate to solve tomorrow’s problems. For more information, please visit www.biocatch.com.

About the Role

We’re looking for a highly skilled Web Solutions Engineer—someone who lives and breathes the web, thrives on solving complex puzzles, and enjoys navigating the intricacies of modern browsers, networks, and hybrid environments.

In this role, you will become the expert behind BioCatch’s Web SDK integrations for enterprise customers worldwide. You will troubleshoot and resolve technical challenges across browsers, WebViews, and customer environments; enable seamless integrations; and partner with both internal and external engineering teams to ensure high-quality deployments.

If you enjoy diving deep into the “why” behind system behavior and have a passion for making complex things simple, this role is for you.

What You’ll Do

Lead Web SDK integrations for global enterprise customers, primarily in the banking and financial sectors.

Investigate and resolve advanced web issues including CORS, cookies, storage, CSP, CDN failures, ad blockers, redirects, caching, and hybrid/WebView behaviors.

Support Solution Engineers, R&D, and BioCatch customers, by providing high-level technical expertise, root cause analysis, guidance on complex edge cases, and ensure successful deployments

Manage SDK configurations and version upgrades, including bootstrapping, NPM delivery, session continuity, and environment tuning.

Create and maintain technical guides, best practices, and internal training to empower SE teams across regions.

Ensure integrations are secure, resilient, and optimized across browsers, devices, and customer environments.

About You

Curious, analytical, and naturally driven to understand how systems behave under the hood. You excel at context switching, thrive in complex environments, and enjoy working at the intersection of engineering, product, and customer success.

Requirements

5+ years of hands-on experience with JavaScript/TypeScript and modern web development (ES6+, DOM APIs, async patterns).
Strong experience with React, Next.js, and production-grade web applications.
Deep understanding of browser fundamentals, including Chrome/Safari/Firefox differences, WebView nuances, event loops, and rendering behavior.
Excellent knowledge of network mechanics - headers, cookies, CORS, CSP, redirects, caching layers.
Proven ability to troubleshoot complex, multi-layered web issues end-to-end.
Strong communication skills, especially in enterprise-facing environments.
Ability to explain complex technical concepts clearly to both technical and non-technical audiences.
High proficiency in English, both written and verbal.
Experience working in a global, cross‑time‑zone environment.
Independent, resourceful, and comfortable owning high-impact technical investigations.

Optional but Advantageous

Experience integrating or supporting SDKs, libraries, or SaaS platforms.
Familiarity with mobile WebView behavior (iOS/Android, hybrid apps).
Experience collaborating with cross-functional engineering groups.
Understanding of data collection patterns or instrumentation frameworks.

If you’re excited by deep technical challenges, love decoding browser behavior, and want to impact the world’s largest financial institutions, we’d love to meet you.

About the Company

BioCatch

Behavioral analytics for digital fraud detection

BioCatch provides cybersecurity services focused on digital fraud detection and prevention for large financial institutions, telecom brands, and fintechs. Its main product, BioCatch Connect, uses behavioral analytics to identify fraudulent actors by analyzing user behavior across web and mobile sessions. Features include Fraud Telemetry @Scale, Continuous Behavioral Sequencing, and Account Opening Protection, which monitor activities to detect risky actions and stop application fraud. BioCatch differentiates itself by basing risk assessment on the unique patterns of user behavior, enabling continuous monitoring beyond traditional rules-based approaches. The company aims to help clients secure digital journeys and protect financial assets, reducing fraud and supporting trusted customer relationships for banks, fintechs, and telcos.

Company size: 201-500
Company stage: Acquired
Total funding: $286M
Headquarters: Tel Aviv-Yafo, Israel
Founded: 2011

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