Senior Application Security Engineer

Forward Financing
Boston
Workplace: RemoteFull timeUSD 145,000 - 183,000 annuallyFunction: CybersecuritySkills: ["Communication","Risk prioritization","Problem-solving"]

Conduct manual penetration testing across the organization’s core systems, web apps, APIs, and AWS infrastructure, and develop AI-assisted tooling to expand test coverage. Help define how to test AI systems—LLMs, agents, and agent-generated code—triage SAST findings, tune false-positive rules, and perform secure code reviews. Communicate risk clearly, and support test-to-production security reviews for AI-built work.

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FursaFursa
Forward Financing
Forward Financing
3 days ago

Senior Application Security Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Conduct manual penetration testing across the organization’s core systems, web apps, APIs, and AWS infrastructure, and develop AI-assisted tooling to expand test coverage. Help define how to test AI systems—LLMs, agents, and agent-generated code—triage SAST findings, tune false-positive rules, and perform secure code reviews. Communicate risk clearly, and support test-to-production security reviews for AI-built work.
Location: Boston
Workplace: Remote
Employment Type: Full time
Job Function: Cybersecurity
Seniority: Mid level

Key Responsibilities

  • •Conduct manual penetration tests against systems and build AI-assisted tooling and automation to extend test coverage.
  • •Define and implement testing approaches for AI, including LLM applications, agents, and agent-generated code.
  • •Triage SAST findings, fix real vulnerabilities, and tune rules to reduce false positives.
  • •Perform secure code review across web applications, APIs, and AWS infrastructure.
  • •Support test-to-production review so AI-built work is security-reviewed before promotion, and explain risk to engineers clearly.

Pay and Benefits

Salary: USD 145,000 - 183,000 annually
Perks:MedicalDentalVisionCommuter BenefitsParental Leave401kWellness StipendLearning BudgetVolunteering DaysRemote Work

Key Requirements

  • •5+ years in application security, offensive security, or product security.
  • •Hands-on pentesting and code review depth across web applications, APIs, and AWS/cloud infrastructure.
  • •Experience building AI-assisted testing/automation and improving how security testing covers real attack paths.
  • •Understanding of AI/LLM attack surface including prompt injection, insecure agent tool use, and vulnerabilities in AI-generated code.
  • •Bachelor’s degree in Computer Science or equivalent technical degree/industry experience, plus ability to communicate risk and priorities.
Experience:Fintech
Skills:CommunicationRisk prioritizationProblem-solving
Certifications:OSCPOSWE
Tech Stack:AWSSASTLLMLLM applicationsAgentsPrompt injectionRubyPythonTypeScriptGoSecure SDLC

Company Brief

Forward Financing
Forward Financing is a Boston-based fintech lender that provides fast, flexible revenue-based working capital to small businesses nationwide, using proprietary underwriting and capital markets facilities to deliver timely funding solutions.
Industry: Lending
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Funding: Private Equity Backed
Headquarters: Boston, United States
Founded: 2012
Glassdoor
Glassdoor: 4.7
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