Software Engineer, Infrastructure – Staff Level

Kustomer

full-time

Posted on: 1/15/2026

Location Type: Remote

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About the role

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
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
Manage and coordinate security vulnerabilities and upgrade schedules for EOL (End of Life) software.

Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience
10+ 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
Experience owning technical architecture discussions and leading decisions for an engineering organization
Experience leading and mentoring 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

Kustomer offers an array of benefits including competitive salaries and stock options.
In the U.S. we offer 100% healthcare coverage, 401K, WiFi and Mobile reimbursement, and a generous vacation policy;
In the UK we also offer pension, supplemental health insurance and other perks.

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

GoPythonJavaScriptNoSQLMongoDBInfrastructure as CodeTerraformsharding configurationsSLAsSLOs

leadershipmentorshipcollaborationtechnical excellenceproblem-solvingcoachingcommunicationstrategic visioncross-team collaborationsystemic improvement

Bachelor's degree in Computer ScienceBachelor's degree in Computer Engineeringrelevant technical field