Demo

Application Security Engineer

Ascendion
Bellevue, WA Full Time
POSTED ON 11/5/2026
AVAILABLE BEFORE 3/12/2027

About Ascendion

Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000 Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.


Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:


Build innovative technology and infrastructure for the world’s leading brands.

  • Solve complex problems and learn new skills.
  • Experience the power of transforming digital engineering for Fortune 500 clients.
  • Master your craft with best-in-class training programs and hands-on project experience.
  • Be part of a community of high-performing innovators with endless ideas and a passion for technology.


Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.


About the Role

Job Title - Application Security Engineer


Key Responsibilities

  • Review and triage application security vulnerability tickets.
  • Investigate security findings and trace them back to the relevant application code.
  • Perform hands-on code remediation to address identified vulnerabilities.
  • Troubleshoot and fix issues involving Java, Node.js, React, and SQL-based applications.
  • Remediate vulnerabilities such as SQL injection and other insecure coding patterns.
  • Analyze existing code to determine the root cause of security findings.
  • Validate fixes and ensure remediation does not introduce application regressions.
  • Work through a high volume of vulnerability/security tickets and prioritize remediation based on severity and application impact.
  • Partner with development and security teams to move vulnerabilities from identification through remediation and closure.
  • Participate in code reviews with an emphasis on secure coding practices.
  • Help reduce recurring vulnerabilities by identifying insecure coding patterns and recommending better development practices.


Minimum Qualifications

  • Strong professional software development / coding background.
  • Hands-on development experience with:
  • Java
  • Node.js
  • React
  • SQL
  • Experience identifying and fixing application-level security vulnerabilities.
  • Strong understanding of SQL Injection and secure database/application coding practices.
  • Ability to navigate unfamiliar or existing production codebases and determine where security vulnerabilities need to be remediated.
  • Experience debugging, modifying, testing, and delivering production-quality application code.
  • Solid understanding of secure coding principles and application security.
  • Experience working with vulnerability findings, security defects, bugs, or remediation tickets.
  • Strong troubleshooting and root-cause-analysis skills.


Location: Factoria Bellevue, WA


Salary Range: The salary for this position is between $100K–$120K USD annually. Pay within this range may vary based on geography, experience, skills, and applicable qualifications.


Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [long-term disability insurance] [short term disability insurance] [5 personal days accrued each calendar year. The Paid time off benefits meet the paid sick and safe time laws that pertains to the City/ State] [1015 days of paid vacation time] [6 paid holidays and 1 floating holiday per calendar year] [Ascendion Learning Management System]


Want to change the world? Let’s connect.

Tell us about your expertise, experience, and ambitions. Bring your insights, unique perspective, and enthusiasm to build the next generation of data center infrastructure & mdash; together with Ascendion.

Salary : $100,000 - $120,000

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