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E

Software Development Specialist II

Experian

. Develop and maintain critical web components of the unified SDK using JavaScript and TypeScript .

Posted 10/22/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing secure web applications using JavaScript and TypeScript, with a strong focus on web application security, performance optimization, and integration with native SDKs. Proficient in implementing protection mechanisms and collaborating with cross-functional teams to ensure compliance and reliability.

Highest-signal resume keywords
JavaScript DevelopmentTypeScript DevelopmentWeb Application SecurityReact FrameworkAgile Development Processes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Web Application DevelopmentBrowser Automation DetectionSecure Communication ProtocolsREST APIsObservability ToolsData Integrity ControlsTelemetry and MetricsFraud Prevention MechanismsClient-Side Protection MechanismsPerformance Analysis
Soft Skills
CollaborationTechnical SupportCode Review
Tools & Technologies
WebAuthnDevSecOps PracticesLog Analysis ToolsCross-Platform SDK ArchitectureDigital Identity Solutions
Industry Keywords
OWASP Top 10CSPCORSXSSCSRFAnti-Tampering TechniquesBehavioral AnalysisDevice IntelligenceDigital Onboarding SolutionsHigh-Scale Environments

Tech Stack

Tools & technologies
AngularJavaScriptReactTypeScriptVue.js

About the role

Key responsibilities & impact
  • Develop and maintain critical web components of the unified SDK using JavaScript and TypeScript
  • Design and implement protection mechanisms against digital attacks, automation, and runtime environment manipulation
  • Create solutions for detecting headless browsers, virtualized environments, emulators, and digital fraud tools
  • Ensure secure communication between web components, native SDKs, and backend services
  • Implement integrity controls and validation mechanisms for data captured by the SDK
  • Develop telemetry, metrics, logs, and observability mechanisms for continuous platform monitoring
  • Conduct performance analysis and optimize the capture experience across different browsers and devices
  • Participate in defining architecture, development standards, and security strategies for client-side applications
  • Conduct code reviews and provide technical support to development teams in adopting engineering best practices
  • Investigate vulnerabilities and contribute to the continuous evolution of fraud and abuse prevention mechanisms
  • Collaborate with Architecture, Information Security, Platform Engineering, and Product teams to turn security, reliability, and compliance requirements into scalable, production-ready solutions

Requirements

What you’ll need
  • Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related field
  • Strong experience developing web applications using JavaScript and TypeScript
  • Advanced knowledge of the architecture and inner workings of modern browsers
  • Experience with modern front-end frameworks such as React, Angular, or Vue.js
  • Knowledge of web application security, including OWASP Top 10, CSP, CORS, XSS, CSRF, and secure authentication
  • Experience with WebAuthn, device fingerprinting, and client-side protection mechanisms
  • Knowledge of browser automation, virtualized environment, emulator, and scraping tool detection
  • Experience integrating web applications with native mobile or desktop SDKs
  • Knowledge of REST APIs, secure communication protocols, and applied cryptography
  • Experience with observability, monitoring, and log analysis tools
  • Experience working with agile development processes and DevSecOps practices
  • Preferred: experience with digital identity, biometrics, or fraud prevention products
  • Preferred: knowledge of WebAssembly (WASM)
  • Preferred: experience with behavioral analysis and device intelligence
  • Preferred: knowledge of anti-tampering, anti-debugging, and client-side code protection techniques
  • Preferred: experience in high-scale environments and applications with critical security requirements
  • Preferred: knowledge of document capture, liveness detection, or digital onboarding solutions
  • Preferred: experience with cross-platform SDK architecture

Benefits

Comp & perks
  • Employees can work remotely
  • An environment where people can balance their careers with their personal commitments and interests
  • Well-being programs
  • Inclusive culture
  • Great Place To Work™ certification in 24 countries
  • International Top Employers certification
  • 4.6 rating on Glassdoor