Lead application security reviews and threat models for high-impact work across mobile, web, backend, and AI systems, and document risk decisions with clear mitigation plans
Extend the AI automation that handles our finding volume: triage, prioritization with service context, and remediation guidance engineers can act on
Build guardrails that scale beyond our team; repository baselines, required checks in GitHub, secure-by-default patterns for AWS workloads, reusable templates, and a security champions program
What You'll Bring
6+ years in application or product security, or equivalent depth in secure software engineering with meaningful application security ownership
Strong Python code review skills. You can open a Lambda, understand what it does, and explain the defect to the engineer who wrote it
A track record of shipping security improvements that reduced real risk, including fixes you drove to completion with teams you did not own
Experience with threat modeling and secure design review, engaging with designs before they ship
Practical, everyday use of AI in your security work
Working knowledge of our stack: AWS security (Lambda, API Gateway, IAM least privilege, secrets handling) and CI/CD security in GitHub Actions
Tools We Use
GitHub: Actions, Advanced Security, Copilot
Python, Terraform
AWS: Lambda, API Gateway, IAM, DynamoDB, S3, SNS, SQS, VPCs
Snowflake, SQL, dbt, Dagster
Claude, Claude Code, Amazon Bedrock
Location
Remote-first and US-based: you can work from anywhere in the country. One exception — if your home is within 50 miles of our DC, NYC, Austin, or Chicago offices, we'll ask you to join your team in person on Mondays, Tuesdays, and Thursdays. Outside that radius you're fully remote, and still welcome in any office whenever you're nearby.
Benefits
Medical, dental, and vision coverage starting on Day 1
Equity (ISOs)
401(k) program
Family planning programs + paid parental leave
Physical fitness and wellness memberships
Emotional and mental health support programs
Unlimited PTO + 10 paid federal holidays + our annual, week-long Winter Break
Flexible work environment
Lunch reimbursement for in-office employees
Employee Resource Groups
Learning and Development stipend
Transparent culture
Amazing mission!
Diversity and Inclusion
Diversity drives innovation, and our differences make us stronger. We‘re passionate about building a workplace that represents a variety of backgrounds, skills, and perspectives, and we do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Everyone is welcome here!
If there's anything we can do to support a disability or special need during your application or interview process, please email accommodations@upside.com.
This email is for accessibility accommodations only, it should not be used to submit job applications.
Notice To Recruiters And Placement Agencies
This is an in-house search with a dedicated recruiter. Please do not submit resumes to any person or email address at Upside. Upside is not liable for, and will not pay, placement fees for candidates submitted by any party or agency other than its approved recruitment partners.
