Skip to content
SemgrepSemgrep

Senior Backend Software Engineer

Build and maintain backend systems, APIs, data models, and services for scalable code security products. Requires strong knowledge of databases, distributed systems, and query optimization; experience with Python/Flask preferred.

About the job

Responsibilities

  • Work on backend and infrastructure systems to design, build, and maintain fast and reliable user experience for customers.
  • Collaborate with other engineers to develop APIs, data models, and services that power Semgrep’s products at scale.
  • Integrate third-party vendors into existing first-party code.

Requirements

  • Strong understanding of databases, query optimization, and distributed systems.

Technologies

  • Backend: Python, Flask, SQLAlchemy
  • Frontend: Typescript, React
  • Deployment: Kubernetes
  • Hosting: AWS

Compensation

  • Estimated starting annual salary range: $163,000 to $246,500 USD.
  • Total compensation may include equity, variable compensation, and benefits.

Skills

Python, Flask, Sqlalchemy, Kubernetes, AWS, TypeScript, React, Postgres, Distributed Systems, Query Optimization

Launchdarkly

Launchdarkly

United States

Senior Backend Engineer, Experimentation
$163k+/yrRemote6+ YOEBackend Engineering

Designs and operates scalable backend services for an experimentation platform, including data ingestion, metric computation, and results processing. Requires 6+ years of software engineering experience, strong Go or comparable backend-language skills, and experience with distributed, cloud-based, data-intensive systems.

Launchdarkly

Launchdarkly

United States

Senior Backend Engineer, Flag Delivery
$163k+/yrRemote6+ YOEBackend Engineering

Builds and operates high-scale, low-latency distributed systems that stream feature-flag configuration to connected SDKs. The role requires 6+ years of backend experience, production ownership, and proficiency with backend languages, cloud infrastructure, infrastructure as code, and observability tooling.

Launchdarkly

Launchdarkly

United States

Senior Backend Engineer, Billing
$163k+/yrRemote6+ YOEBackend Engineering

Builds and operates backend services for plans, pricing, entitlements, usage metering, and billing integrations. The role requires 6+ years of software engineering experience, backend expertise, cloud infrastructure familiarity, and strong production ownership in correctness-critical systems.

Moov

Moov

United States

Senior Software Engineer
$165k+/yrRemote5+ YOEBackend Engineering

Build and operate production fintech and payment services, APIs, and developer tooling using Go and microservices. The role requires experience delivering complex production systems, working in payments, and maintaining strong standards for testing, observability, and AI-assisted development.

Lithic

Lithic

United States

Senior Software Engineer, Product Platform
$160k+/yrRemote5+ YOEBackend Engineering

Build and operate the foundational API platform powering Lithic’s fintech products, with ownership across reliability, authorization, audit logging, and API evolution. Requires 4+ years of backend experience, strong API design skills, and senior-level ownership in a remote, async environment.