Job Description

Primesay is an innovative Web3 platform

that combines

security, data privacy, and citizen participation

. We offer our users a digital space where identity, social interactions, and civic engagement are at the heart of the experience.

We're searching for a talented

Senior Security Engineer

who thrives on complexity and loves solving tough problems. Given our focus on Web3, privacy, and digital identity, security isn't just a requirement--

it is our core product.

We're not just looking for someone to check boxes; we want a

strategic partner

who can elevate our security posture across three critical, high-growth domains:

Web Applications, Mobile Development, and our AWS Cloud Infrastructure.

What You'll Be Doing:

This role is about

ownership, strategy, and hands-on implementation

across our full technology stack. You will be instrumental in:

Application Security (Web & Mobile):

Designing, implementing, and maintaining

SAST/DAST

tools directly within our CI/CD pipelines. Performing hands-on security code reviews, deep-dive penetration testing, and architecture reviews for both our

high-traffic web platform

and native

iOS/Android mobile applications

. Leading efforts on vulnerability management and ensuring timely remediation of findings.

AWS Cloud Infrastructure Security:

Taking ownership of our

AWS security configuration

, including

IAM policy hardening

, network segmentation, and managing services like

WAF, Security Hub, and GuardDuty

. Developing Infrastructure as Code (IaC) security standards using tools like Terraform or CloudFormation. Building automated security monitoring and response capabilities (detection and alerting).

Security Culture & Strategy:

Conducting detailed

threat modeling

and risk assessments for new features and system designs, with a special focus on

data privacy and Web3 architecture

. Mentoring development teams on secure coding practices and fostering a

"Security-First" culture

across the organization.

Who We're Looking For:

If you have a proven track record of:

Building

scalable, robust security controls

in a high-velocity, production environment.

M+ years

of progressive experience in cybersecurity, with at least 5 years focusing specifically on AppSec and Cloud Security. Expert-level knowledge of AWS security principles and configuration.
...then you could be our next Senior Security champion! Join a company that values innovation and gives you the

autonomy

to build a world-class security program around a unique Web3 mission.

We Offer:

An

innovative and stimulating

work environment. The opportunity to participate in the development of a unique

Web3 platform

.

Competitive compensation

.
Job Type: Permanent