Full Stack Software Engineer

Amarina Search Partners LLC

$160K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 4+ years of experience building production web or mobile applications.
  • Proficient in both frontend and backend technologies, particularly React and Rails.
  • Experienced in API development and database management for performance optimization.
  • Possess a strong product mindset focusing on user experience and measurable outcomes.
  • Demonstrated commitment to code quality, testing, and operational excellence.
  • Emphasizes collaboration and positive workplace culture.

Responsibilities

  • Own full-stack feature development across critical user journeys with measurable impact.
  • Ship complete features including UI, API, data model, and performance iterations.
  • Develop pragmatic patterns within a Next.js application with a focus on routing and analytics.
  • Collaborate with backend engineers to establish efficient API contracts.
  • Enhance software quality through robust testing and observability practices.
  • Work closely with Product and Design to simplify complex user experiences.
  • Improve operational readiness by enhancing monitoring tools and documentation.

Benefits

  • Opportunity to work on high-impact consumer growth projects.
  • Collaborative work environment with experienced engineers for mentorship.
  • Chance to implement features that directly affect user engagement.
  • On-site work 4 days a week, facilitating team collaboration.
  • Engagement in a culture centered around positive interpersonal relationships.
Full Job Description
Our client is hiring a Full Stack Engineer to help rebuild and level up the highest-traffic customer journeys: Search → Details → Booking → Post-booking. You'll ship across frontend and backend, work closely with Product/Design, and help evolve the patterns we'll reuse across the marketplace for years.

This is a rare chance to work on consumer growth problems with real scale, while still being early enough to own meaningful outcomes. You'll lead execution on scoped projects end-to-end, with strong support from senior and staff engineers on architecture and design decisions.

Location:
NYC headquarters (4 days per week onsite MON-THUR).

Salary:
The base salary range is $160,000-$180,000, plus equity, commensurate with experience.

Tech stack
Frontend: Next.js, React, TypeScript, Tailwind, Shadcn
Backend: Ruby on Rails, Node.js
Data: Postgres, MongoDB
Infra/Obs: AWS, Datadog
Testing: RSpec, Playwright

What you'll do
  • Own full-stack features across key marketplace flows (SRP, property details, booking, account), with measurable impact on conversion, performance, and reliability.
  • Ship end-to-end: UI + API + data model changes + instrumentation/analytics + rollout + iteration based on results.
  • Contribute to pragmatic patterns in a Next.js App Router codebase (routing, data fetching, caching, error handling, analytics).
  • Partner with backend engineers on API contracts that make the UI fast and resilient (filtering, pagination, performance budgets, versioning/rollout patterns).
  • Improve quality through testing and observability (Playwright, Datadog), and raise the bar through thoughtful code reviews.
  • Partner with Product/Design to translate complex system states into clear, trustworthy UX.
  • Strengthen operational readiness for critical workflows by improving dashboards, alerts, tracing, and lightweight runbooks.
Qualifications
  • 4+ years building production web / mobile applications (or equivalent impact).
  • Comfortable across frontend + backend: you can navigate a Rails codebase and ship React / Flutter changes without hand-holding.
  • Experience building APIs and working with databases (schema design, query performance basics).
  • Product mindset: you care about UX details, performance, and measuring outcomes.
  • Solid engineering habits: code quality, testing discipline, and attention to operational readiness.
  • You're a good person. While building a startup is hard, being a good person is not. We are creating a culture of people with whom you would look forward to working.

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