Backend Engineer, Core Platform

Lapel, Inc

$120K — $160K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of backend or software engineering experience
  • Proficiency in designing APIs and working with databases
  • Experience with integrations, permissions, and event-driven systems
  • Strong understanding of system design, scalability, security, and reliability
  • Customer-focused with the ability to translate needs into platform infrastructure
  • Comfortable in fast-paced, autonomous environments
  • Detail-oriented with pride in building high-quality systems

Responsibilities

  • Contribute to the integration framework for external systems
  • Build permissioning infrastructure for customer data security
  • Design event and subscription systems for platform changes
  • Create workflow infrastructure for long-running jobs and customer automations
  • Develop platform APIs that enable engineering efficiency

Benefits

  • Competitive salary and meaningful early-stage equity
  • Full medical, dental, and vision benefits
  • Generous paid time off and coordinated team breaks
  • Daily office meals and wellness benefits
  • Collaborative team culture with regular off-sites
Full Job Description
About This Role

You'll own the data and workflow systems that power Lapel: how we sync, parse, store, transform, permission, and retrieve information from the external systems our customers rely on to serve their customers.

The best version of Lapel feels simple on the surface because the platform underneath is thoughtful, durable, and extensible. Your job is to build that platform and enable a growing set of products built by our engineering team and by our customers themselves.

What You'll Do
  • Contribute to our integration framework for how external systems authenticate, sync data, transform records, subscribe to events, and expose actions
  • Building permissioning infrastructure that keeps customer data isolated, secure, and correctly scoped across integrations, APIs, agents, and product surfaces
  • Designing event and subscription systems that let internal services, external integrations, and workflows react to changes across the platform
  • Building workflow infrastructure for long-running jobs, retries, orchestration, backfills, customer-specific automations, and agent-driven actions
  • Building the platform APIs, services, and abstractions that let product engineers move faster without re-solving data, permissions, or workflow problems each time.


Our Stack

Lapel is built end-to-end in TypeScript in a single monorepo.
  • React, Vite, and Tailwind on the frontend;
  • Node.js and Postgres on the backend;
  • Temporal and Pulsar to power orchestration.

We ship quickly, and care about creating a developer experience where anyone can prototype, experiment, and get ideas into production fast.

You'll Thrive in This Role If You
  • Have 3+ years of backend or software engineering experience, with a track record of building and scaling platform systems
  • Are comfortable designing APIs, working with databases, and building reliable data and workflow systems
  • Have experience with integrations, permissions, event-driven systems, or long-running jobs
  • Understand system design, scalability, security, and reliability at a practical level
  • Are customer-focused and able to translate product and integration needs into durable platform infrastructure
  • Enjoy working in fast-paced environments with high ownership and autonomy
  • Are proactive, detail-oriented, and take pride in building high-quality systems


The Process

We aim to hire with intention, respect your time, and offer feedback along the way.
  1. Initial conversation (20 minutes) We'll explore your motivations, share what we're building, and answer your questions.
  2. In-depth interview (45 minutes) We'll go deeper into your craft and experience. No live coding. No prep work necessary.
  3. Take-home project (2-4 hours) You'll complete a short, well-scoped exercise that mirrors the kind of work you'd do here.
  4. On-site visit (1-2 days) Join us in the office to review your take-home, grab lunch, and work on something real.


Compensation and Benefits

We believe great people build great companies - and we invest accordingly.
  • Competitive salary + meaningful early-stage equity
  • Full benefits: medical, dental, vision, 401(k), and commuter benefits
  • Generous time off: many company holidays and coordinated team-wide breaks throughout the year to focus and recharge
  • Office perks: lunch and dinner provided daily, in-office snacks, and health & wellness benefits
  • Team culture: regular off-sites, tight feedback loops, and a bias toward action


Lapel works in person in San Francisco, five days a week, at our office on Market Street. We hire people who'd be restless anywhere else.

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