Staff AppSec Engineer

Meet Upside

We created Upside to transform brick-and-mortar commerce. Our technology uses the sophistication of online retail—profit measurement, attribution, and incrementality—to provide users with more value on their everyday purchases and brick-and-mortar businesses with new, profitable customers. We’ve helped millions of users earn 2 to 3 times more cashback than any other product, and hundreds of thousands of brick-and-mortar businesses earn measurable profit. Billions of dollars in commerce run through the Upside platform every year, and that value goes directly back to our retailer partners, the consumers they serve, and important sustainability initiatives.

The Impact You’ll Make

You'll report to the Director of Information Security and partner closely with engineering and technology stakeholders across the organization. Drawing on your expertise in secure development practices and payment systems, you'll own the identification and remediation of application vulnerabilities end-to-end. This is an individual contributor role with real influence, you'll shape how our AppSec program evolves, raise the security bar across our engineering org, and make it easier for developers to build securely from the start.

Leverage AI tools to design and deliver scalable security solutions that address application vulnerabilities

Execute automated security testing (SAST, SCA) and work directly with engineers to resolve findings

Develop threat models and collaborate with product and engineering teams to surface, document, and prioritize risk

Advise leadership on security architecture decisions and application security best practices

Build developer security literacy through training, enablement, and vulnerability management guidance

Participate in penetration testing efforts and support bug bounty program operations

Contribute to the administration of AWS Control Tower and IAM provisioning workflows

Stay current with the broader security community and bring emerging trends back to the team

What You Should Have

6+ years in application security or product security, including hands-on experience reviewing Python code

A track record of building and delivering solutions in vulnerability management programs

Deep expertise in AWS security architecture, including Lambda and AWS Control Tower

Demonstrated experience adopting and integrating AI tools into security or engineering workflows

Bachelor's degree in Computer Science, Engineering, or a related field preferred

Strong communication and collaboration skills — you're as comfortable with engineers as you are with leadership

Tools We Use

GitHub Advanced Security, GitHub Actions, GitHub Copilot

Python

Terraform

AWS (Lambda, DynamoDB, S3, SNS, SQS, IAM, VPCs)

ChatGPT

Snowflake

SQL

Location: Remote

Compensation

The US base salary range for this full-time position is $210,000 - $230,000 + equity + benefits. The final starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. Your recruiter can share more about the specific salary range during the hiring process.

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.