Infrastructure Engineer – SRE

Kustomer

Infrastructure Engineer building systems and abstractions for a leading conversational CRM platform, Kustomer. Collaborate with experienced engineers to improve developer experience and application observability.

Posted 7/8/2026full-timeNew York City • New York • 🇺🇸 United StatesMid-LevelSenior💰 $130,000 - $215,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in leading large-scale system changes and improving software infrastructure while fostering a culture of collaboration and technical excellence. Proficient in mentoring engineers and driving compliance and security initiatives within the platform.

Highest-signal resume keywords

Leadership In Technical ArchitectureExperience With NoSQL DatabasesProficiency With Infrastructure As Code (IaC)Mastery Of High-Level Programming LanguagesExperience Building Large Scale Web Applications

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

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

Hard Skills

Software DevelopmentSystem DesignPerformance MeasurementDatabase ShardingInternal Tool DevelopmentSLA CreationSLO CreationSLI CreationTechnical MentorshipProject Management

Soft Skills

CollaborationCoachingProblem SolvingCommunicationMentorship

Tools & Technologies

TerraformMongoDBGoPythonJavaScript

Industry Keywords

ComplianceObservabilityAutomationSecurity VulnerabilitiesDistributed Systems

Tech Stack

Tools & technologies

GoJavaScriptMongoDBNoSQLPythonTerraform

About the role

Key responsibilities & impact

Serve as a Lead and senior member of the team, leading initiatives and key projects
Provide guidance and mentorship to team members, fostering a culture of collaboration and technical excellence
Analyze, design, develop, maintain and improve software infrastructure and platform to expand its capabilities
Measure, report and drive improvements on scalability, performance, and availability
Lead complex projects and efforts to improve our ability to respond to impaired production systems
Lead, plan, and execute large scale system changes to meet business objectives
Tackle ambiguous engineering problems by designing well architected solutions
Participate in cross-team initiatives to drive engineering best-practices
Collaborate with the CTO and other technical leaders to set the vision for strategic development efforts
Work with various engineering teams to bridge gaps and lead initiatives across backend systems and our data platform
Proactively identify systemic inefficiencies, design and implement improvements
Become a trusted coach and mentor, actively building strong technical leaders
Collaborate with the InfoSec team to drive compliance, observability and automation for the security of our platform
Work closely with the Security team to address gaps and vulnerabilities during audits to satisfy compliance requirements
Manage and coordinate security vulnerabilities and upgrade schedules for EOL (End of Life) software
Lead or assist in security investigations as needed

Requirements

What you’ll need

Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
5+ years experience building and managing large scale, highly available, distributed web applications
Mastery of a high-level programming language like Go, Python, JavaScript, etc.
Experience with NoSQL databases like MongoDB
Ownership of technical architecture discussions
Lead and mentor engineers through technical projects and initiatives
Proficiency with Infrastructure as Code (IaC) tools, including Terraform
Experience designing sharding configurations for databases
Experience developing internal tools for others
Experience creating SLAs, SLOs, SLIs

Benefits

Comp & perks

100% healthcare coverage
401K
WiFi reimbursement
Mobile reimbursement
Generous vacation policy
Pension (UK)
Supplemental health insurance (UK)