- Level
- Senior
- Experience
- 7+ years
- Work style
- Remote
- Part-time
- Pay
- $155k to $187k
At a glance
The role in plain English
This is a senior security engineering role focused on strengthening the security of FastSpring’s payments platform and supporting secure AI-assisted development. The position suits experienced security engineers with a background in application and cloud security, especially those familiar with AWS and Java environments. Day-to-day tasks include vulnerability management, infrastructure security, security reviews of development pipelines, and collaborating on risk and compliance initiatives.
What you'll do
- Identify and remediate vulnerabilities in Java and AWS environments
- Drive improvements in infrastructure security and IAM policies
- Conduct security reviews of AI-assisted development tools
- Develop secure development standards for engineering teams
- Support risk assessment and compliance initiatives
What they're looking for
Essential
- 7+ years security engineering experience
- Strong AWS security experience
- Experience with large production codebases
- Familiarity with AI-assisted development tools
Nice to have
- Security certifications (e.g., CISSP, OSCP, AWS Security Specialty)
- Experience securing payments or ecommerce platforms
- Experience with secure SDLC and CI/CD security tooling
- Familiarity with global or multi-currency systems
Core skills
- AWS security
- Application security
- Java
- Vulnerability management
- IAM
- AI-assisted development
- Risk assessment
- Incident response
Certifications mentioned
- CISSP
- OSCP
- AWS Security Specialty
- GIAC
The shape of the job
Technical depth
4/5
Pace
3/5
Ownership
4/5
Teamwork
3/5
Cyberend's reading of the listing, not the employer's own scores.
How the pay compares
A little below similar roles
Compared with 68 open senior roles in the US on Cyberend that state their pay.
This role
$155k to $187k a year
Middle $191k
$140k
$232k
- This role
- Typical range ($167k to $216k)
Application toolkit
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Questions to prepare for
- 01How would you secure an AI-assisted development pipeline?
- 02Describe your approach to refining AWS IAM policies for least privilege.
- 03What steps would you take to remediate a critical vulnerability in a Java-based platform?
- 04How do you communicate security risks to executive stakeholders?
About FastSpring
FastSpring provides payment solutions for digital product companies, handling checkout, taxes, and global sales processes. The company is privately owned and headquartered in Santa Barbara, with offices in multiple international locations.
Full job descriptionAs published by Jobicy
About FastSpring :
FastSpring is how AI, SaaS, gaming, software, and digital product companies sell online in more places around the world. We handle all payment needs from checkout to taxes so you can go farther faster.
Founded in 2005, we are a privately owned company headquartered in Santa Barbara with offices in Amsterdam, Austin, Belfast, Dublin, Halifax, and Singapore.
Sr. Security Engineer
Position Overview:
We are seeking a Sr. Security Engineer to join our Agentic Experience group, reporting to the Principal Engineer, Agentic Development. In this role, you will strengthen the security posture of our core payments platform while helping shape security practices for AI-assisted software development. You will work closely with our Agentic Experience group and our CISO, with visibility to executive leadership. This is a hands-on engineering role with broad scope: application security, cloud infrastructure security, and security review of AI/agentic development tooling.
Responsibilities & Goals:
- Identify, prioritize, and remediate vulnerabilities across our Java-based platform and AWS infrastructure
- Drive infrastructure security improvements, including IAM policy refinement, instance metadata protections, and network egress controls
- Conduct security reviews of AI-assisted development pipelines, tool integrations, and agent-accessible services
- Develop and maintain secure development standards, patterns, and guardrails for engineering teams
- Partner with the fractional CISO on risk assessment, remediation planning, and compliance initiatives (including PCI DSS)
- Contribute to incident response readiness and security monitoring improvements
- Communicate security priorities and progress clearly to technical and executive stakeholders
Experience & Qualifications:
- 7+ years of hands-on security engineering experience (application security, cloud security, or infrastructure security)
- Strong experience with AWS security services and primitives (IAM, VPC networking, secrets management)
- Experience working in and securing large production codebases; JVM ecosystem experience preferred
- Familiarity with modern AI-assisted development tools and an interest in their security implications
- Strong prioritization and communication skills; ability to advocate for security investments with stakeholders
- Experience in payments, fintech, or other regulated environments is a plus
- Relevant certifications (e.g., CISSP, OSCP, AWS Security Specialty) are a plus but not required
Nice to Have
- Security certifications (e.g., AWS Security Specialty, CISSP, OSCP, GIAC).
- Experience securing payments, ecommerce, or subscription/billing platforms.
- Experience with secure SDLC practices and integrating security tooling (SAST/DAST/SCA) into CI/CD.
- Familiarity with global, multi-currency, or tax-calculation systems and their data-sensitivity considerations.
Consistent with FastSpring's values and applicable law, we provide the following information to promote pay transparency and equity. The base pay range below represents a good faith estimate of the low and high end base pay range for the listed position. This role may be eligible for the corporate bonus plan (or, if a sales role, a commission plan as defined in the sales incentive plan document). In addition, FastSpring provides a variety of benefits to employees.
Estimated Base Pay Range
$155,000—$187,000 USD
About the Company:
FastSpring is an EQUAL EMPLOYMENT OPPORTUNITY/AFFIRMATIVE ACTION employer. Candidates are considered for employment with FastSpring without regard to their race, color, religion, national origin, age, sex, gender, pregnancy, disability, sexual orientation, gender identity, genetic information, military status, veteran status (specifically status as a disabled veteran, special disabled veteran, Vietnam Era veteran, recently separated veteran, armed forces service medal veteran, or other protected veteran) or other classification protected by applicable federal, state or local law.
AI Transparency Statement:
FastSpring may utilize artificial intelligence (AI) or automated tools during portions of the recruitment process to assist with operational and administrative activities, including candidate communications, scheduling, application organization, and interview documentation. These tools are designed to support efficiency and consistency within the hiring process. AI systems are not used as the sole determinant of hiring outcomes, and all employment decisions are made by qualified human reviewers. We are committed to responsible and fair hiring practices and continue to evaluate our use of technology accordingly.