Upside

Staff Application Security Engineer

Upside
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3 days ago
Chicago, IL, USA +3 moreStaff+
H1B sponsor

Base Salary

$214k - $245k/yr

Responsibilities

  • Own Upside’s application security program, standards, vulnerability management pipeline, and preventive engineering guardrails.
  • Triage and tune findings from scanning, code review, and annual penetration testing, then partner with engineering teams to ship and verify fixes.
  • Lead application security reviews and threat models for high-impact mobile, web, and backend systems.
  • Review and threat model agentic AI workflows and define controls for tool use, data access, and action execution.
  • Build automation that triages findings, prioritizes them using service context, and produces actionable remediation guidance.
  • Create scalable security controls including repository baselines, required GitHub checks, secure-by-default AWS patterns, reusable templates, and a security champions program.

Requirements

  • 6+ years of application or product security experience, or equivalent depth in secure software engineering with meaningful application security ownership.
  • Strong Python code review skills, including the ability to inspect AWS Lambda code and explain security issues and remediations to engineers.
  • Demonstrated experience shipping security improvements that reduced real risk and driving verified remediation across teams.
  • Experience with threat modeling and secure design reviews before systems ship.
  • Practical, everyday use of AI in security work.
  • Working knowledge of AWS security, including Lambda, API Gateway, IAM least privilege, and secrets handling.
  • Working knowledge of CI/CD security in GitHub Actions, with depth in underlying security mechanics.

Benefits

  • Medical, dental, and vision coverage beginning on Day 1.
  • Equity through ISOs and a 401(k) program.
  • Family planning programs and paid parental leave.
  • Physical fitness and wellness memberships plus emotional and mental health support programs.
  • Unlimited PTO, 10 paid federal holidays, and an annual week-long Winter Break.
  • Flexible work environment and lunch reimbursement for in-office employees.
  • Employee Resource Groups and a Learning and Development stipend.

Tech Stack

Amazon DynamoDBAWSdbtGitHub ActionsPythonSnowflakeSQLTerraform

Categories

Upside

About Upside

201-500 employees
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