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Walrus Security

Senior Infrastructure Engineer

Walrus Security

. Work as part of Walrus’s core team on its flagship B2B payment verification product, DoubleCheck .

Posted 11/11/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in thoughtful software design with a focus on bug prevention, testability, and maintainability, while effectively collaborating in a dynamic, early-stage environment. Capable of designing, building, and owning software modules for B2B payment verification products.

Highest-signal resume keywords
Software DesignModule DevelopmentB2B Payment VerificationData-Driven Product DesignCollaboration

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Software DevelopmentCode WritingBug PreventionTestabilityMaintainability
Soft Skills
CollaborationSupportive Workplace CultureInnovative Problem Solving
Industry Keywords
Payment VerificationFinancial TechnologyEarly-Stage Environment

About the role

Key responsibilities & impact
  • Work as part of Walrus’s core team on its flagship B2B payment verification product, DoubleCheck
  • Design, build, and own new modules, including payments, reputation, and authentication
  • Write substantial amounts of code
  • Design and innovate solutions to complex software problems
  • Help establish enduring software development standards and company culture
  • Develop approaches to software development
  • Collaborate with teammates and leadership in an early-stage environment
  • Build a collaborative, supportive, and energizing workplace

Requirements

What you’ll need
  • Must be authorized to work for any employer in the U.S.
  • Must not require employment visa sponsorship; Walrus is unable to sponsor or take over sponsorship of an employment visa
  • Thoughtful software design focused on bug prevention, testability, and maintainability
  • Comfortable with data-driven product design using evidence rather than opinion
  • Ability to design, build, and own software modules
  • The internship is based at the Walrus office in NYC (Financial District)
  • The posting does not state a minimum education credential or required years of experience

Benefits

Comp & perks
  • Competitive compensation and benefits for full-time permanent employees
  • Equity
  • Paid medical insurance
  • Dental insurance
  • Vision insurance
  • Company contribution to wellness
  • Coverage for dependents
  • Parental leave
  • Retirement benefits
  • Relocation assistance
  • Flexible PTO
  • Relocation assistance for the summer for the NYC-based internship
  • Mentoring and extensive growth opportunities