Senior Security Engineer I, Application Security

Flywire
Bengaluru
Workplace: HybridFull timeFunction: CybersecurityExperience: 5+ yearsSkills: ["Strategic communication","Collaboration","Empathy-driven security","Mentorship","Stakeholder enablement"]

Design and deploy AI-driven security automation within CI/CD to perform real-time code analysis and architectural reviews. Lead secure design reviews and advanced threat modeling for complex payment systems and AI-integrated applications. Perform deep full-stack security assessments via source code audits and live testing, collaborate closely with engineering teams to remediate findings, and help embed automated security controls throughout the secure SDLC while mentoring junior security and product engineers.

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FursaFursa
Flywire
Flywire
4 days ago

Senior Security Engineer I, Application Security

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 14 hours agoStatus: Live
Reposted: similar role first listed 3 months ago

Job Summary

Design and deploy AI-driven security automation within CI/CD to perform real-time code analysis and architectural reviews. Lead secure design reviews and advanced threat modeling for complex payment systems and AI-integrated applications. Perform deep full-stack security assessments via source code audits and live testing, collaborate closely with engineering teams to remediate findings, and help embed automated security controls throughout the secure SDLC while mentoring junior security and product engineers.
Location: Bengaluru
Workplace: Hybrid
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Design, prompt-engineer, and deploy automated security review workflows using LLMs or similar APIs within CI/CD.
  • •Lead secure design reviews and advanced threat modeling for payment systems and AI-integrated applications.
  • •Collaborate as a technical bridge between Security and Engineering teams to identify and address security issues.
  • •Oversee deep-dive security reviews including source code audits and live application testing on high-risk features.
  • •Contribute to automated security controls across the secure software development lifecycle and provide hands-on remediation guidance and mentorship.

Pay and Benefits

Perks:Equity

Key Requirements

  • •5+ years in Application Security, including web application penetration tests and vulnerability research.
  • •Experience with source code auditing, product assessments, and partnering with product teams, plus building security tools.
  • •Prompt-engineering capability for security tasks using tools like Claude, including code summarization, vulnerability detection, and automated fix generation.
  • •Ability to build LLM-integrated tooling (e.g., wrappers around PR analysis) and provide context-aware security feedback.
  • •Deep knowledge of OWASP Top 10 for LLMs defenses (prompt injection, insecure output handling, model inversion) and aligning controls with standards like SOC 1, SOC 2, and PCI-DSS.
Experience:5+ years
Skills:Strategic communicationCollaborationEmpathy-driven securityMentorshipStakeholder enablement
Languages:English (UK)
Tech Stack:PythonRuby on RailsJavaJavaScriptNode.jsAWSDockerGitLab CICI/CDSASTDASTSCAOAuth2SAMLSSOClaudeLLMsAI workflows

Company Brief

Flywire
Provides a global payments platform and vertical-specific software to enable complex cross-border and domestic receivables for education, healthcare, travel and B2B clients, streamlining payments, reconciliation and receivables workflows.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 100M to 250M
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Boston, United States
Founded: 2009
Glassdoor
Glassdoor: 3.5
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