Senior Security Engineer, App Security
Company: ClickUp
Location: San Diego
Posted on: February 24, 2026
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Job Description:
At ClickUp, we’re not just building software. We’re architecting
the future of work! In a world overwhelmed by work sprawl, we saw a
better way. That’s why we created the first truly converged AI
workspace, unifying tasks, docs, chat, calendar, and enterprise
search, all supercharged by context-driven AI, empowering millions
of teams to break free from silos, reclaim their time, and unlock
new levels of productivity. At ClickUp, you’ll have the opportunity
to learn, use, and pioneer AI in ways that shape not only our
product, but the future of work itself. Join us and be part of a
bold, innovative team that’s redefining what’s possible! ClickUp is
the breakout momentum leader in every G2 category were in and ready
to take off! Our app is the first of its kind to work for everyone
from families to Fortune 500 companies. Were looking for a Security
Engineer, AppSec for a brand-new, engineering-focused security
team. We partner with and embed inside of existing engineering
teams at ClickUp. The security team at ClickUp works to build and
share technology including defensive security features and
functionality, secure infrastructure and operational tools,
security response tooling and processes, and security guidelines
and guardrails. You will work to build a culture of security
enablement. Your focus on our product engineers will allow them to
build and ship secure products based on Angular, Node.js, and
PostgresSQL, all hosted in AWS. Youll be a strategic partner
working directly with various engineering teams helping to design,
develop and guide teams to secure solutions. Were scaling quickly,
and are looking for Security Engineers who arent afraid of this
challenge! The Role: Perform some or all of the following,
depending on skill-set: • Design, develop and build security
features and defenses that protect the entire scope of the ClickUp
platform. • Perform threat models, implementation reviews, and
security testing; review requirements and designs. • Design and
build tools to help with all stages in security prevention,
detection, and response; across the full SDLC from code and test,
through to deploy and operate. • Embed yourself into existing
engineering and product teams, acting as a "security player-coach".
• Build security automation for and into the ClickUp platform;
design and build secure-by-default infrastructure and applications.
• Monitor and analyze production security events and, as needed,
provide in-depth incident analysis. • Build relationships with
other engineers, product managers, data engineers, operators, and
security team members to enable shipping a secure product.
Qualifications : • Multiple years of experience in technology /
software development. • Experience with Angular, Node.js, and
PostgresSQL; or similar technologies. • An ability to identify and
provide a basic assessment of security threats. • An understanding
of security problems, paired with an ability to suggest solutions
to software design problems. • Cloud and SaaS experience. • Ability
to mentor others on technical topics, including security. Desirable
: • Past experience with pushing technical initiatives; team,
project, or indirect management of technology. • Can facilitate a
conversation rather than dictate it. • 5 years of software
development experience and 1 year of security-specific experience.
• Experience with security tools; SAST, DAST, RASP, dependency
checkers, SIEM. • 2 years of AWS experience; IAM and
least-privilege architectures.
Keywords: ClickUp, Murrieta , Senior Security Engineer, App Security, IT / Software / Systems , San Diego, California
