✦ Luna Orbit — Software Engineering

Software Engineer II - Flows and Insight Management

at Klaviyo

📍 Boston, MA Onsite Posted March 18, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 3+ years
Education Not specified
Category Software Engineering

About this role

Klaviyo seeks a mid-level Software Engineer II to develop and operate core backend systems that process large-scale event data and automate lifecycle workflows.

Key Responsibilities

  • Build and maintain core event processing engine
  • Design scalable backend solutions
  • Optimize performance for high-volume data
  • Collaborate on infrastructure improvements
  • Ensure reliability of automation workflows

Technical Overview

The role involves backend development using Python and Django, designing distributed, event-driven architectures, and building scalable, high-performance data processing pipelines.

Ideal Candidate

The ideal candidate is a mid-level backend engineer with over 3 years of experience in Python and Django, skilled in building high-volume, distributed systems and scalable backend solutions.

Must-Have Skills

PythonDjangobuilding robust backend serviceshigh-volume data processingdistributed systems3+ years experienceAPI developmentscalable backend solutions

Nice-to-Have Skills

event-driven architectureautomationcloud infrastructureperformance optimization

Tools & Platforms

PythonDjangoAPIs

Required Skills

PythonDjangoAPIsbackend developmentdistributed systemshigh-volume data processingevent-driven architecturescalable backendautomationinfrastructure

Hard Skills

PythonDjangoAPIsBackend developmentDistributed systemsEvent-driven architectureHigh-volume data processingScheduling systemsInfrastructure

Soft Skills

problem-solvingcollaborationcommunicationanalytical thinkingteamwork

Industry & Role

Industry SaaS
Job Function Developing high-scale backend systems for automated marketing workflows
Role Subtype Backend Engineer
Tech Domains Python, Django, APIs, Distributed Systems

Keywords for Your Resume

Software EngineerPythonDjangobackend developmentdistributed systemshigh-volume data processingAPI developmentevent-driven architecturescalable backendautomationcloud infrastructureperformance optimization

Deal Breakers

Less than 3 years experience, No experience with Python or Django, Lack of backend or distributed systems knowledge, On-site only without remote options

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