Senior Fullstack Software Engineer - React

Somethings

$180K — $250K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 4+ years of software engineering experience, with strong focus on React
  • Proficient in JavaScript, TypeScript, and modern React patterns
  • Hands-on experience with integrating REST/GraphQL APIs and real-time data
  • Familiarity with state management libraries (Zustand, Jotai, Redux)
  • Strong grasp of web performance, accessibility, and responsive design
  • Experience with CSS-in-JS or utility-first CSS systems
  • Comfortable working with CI/CD pipelines, unit testing, and using Git

Responsibilities

  • Elevate Mentor Operations Platform from functional to world-class
  • Ship fast, reliable, and human-centered web experiences
  • Build cohesive and elegant UI components
  • Create tools for scalable mentor operations amidst rapid growth
  • Improve workflows for mentor-facing features for better consistency and connection
  • Collaborate with cross-functional teams including design and clinical ops
  • Maintain a clean, scalable codebase while developing end-to-end features

Benefits

  • Significant equity compensation for foundational role and impact
  • Comprehensive health insurance coverage
  • Unlimited days off to promote work-life balance
  • High ownership and autonomy in your work
  • Flexible work environment with hybrid schedules
Full Job Description
Role Overview

We're looking for a Lead React Engineer to join our small, high-ownership engineering team and help build the core web experiences that power our mentors and ops team.

The work is high agency, high craft, and high impact:

You will directly shape the platform experiences that help teens stay, connect, and genuinely get better.

What You'll Do

You won't just "build features." You'll take full ownership of core missions tied directly to our 2026 strategy:
1. Elevate our Mentor Operations Platform from functional to world-class
  • Ship web experiences that feel fast, reliable, and deeply human
  • Elevate the mentor web experience from "functional and fragmented" to cohesive, elegant, and best-in-class
  • Build UI that feels as intuitive and polished as the best consumer-grade software
  • Sweat performance, accessibility, and interaction quality - not just feature delivery
2. Build tools that safely scale our mentor operation
  • Create mentor-facing features that increase consistency, speed, and connection
  • Build safety surfaces that proactively detect risk and reduce human error
  • Improve mentor workflows so they feel empowered, not burdened, by our tools
3. Own full-stack product development
  • Build end-to-end features across React, backend services, and APIs
  • Collaborate closely with design, product, growth, and clinical ops
  • Run user conversations with mentors and ops staff to deeply understand needs
  • Maintain a clean, scalable codebase as we grow quickly


Who You Are
  • You have 4+ years of professional software engineering experience, including deep work with React
  • You have a strong understanding of web app architecture, common design patterns, and performance optimization
  • You're comfortable with modern web engineering workflows - CI/CD pipelines, testing frameworks, deployment - and you enjoy improving them
  • You love building pixel-perfect, fast, and reliable user interfaces across screen sizes
  • You care deeply about quality and craft, and you're motivated by creating products that real people love using
  • You're a clear, direct, and thoughtful communicator who collaborates well with others


Minimum Qualifications
  • Strong proficiency in JavaScript and TypeScript, and modern React patterns (components, hooks, state management)
  • Experience building and shipping complex, production-grade React web applications
  • Hands-on experience integrating REST/GraphQL APIs, authentication flows, and real-time data (e.g. WebSockets)
  • Experience with state management libraries such as Zustand, Jotai, Redux, or TanStack Query
  • Strong understanding of web performance, accessibility (WCAG), and responsive design
  • Experience with CSS-in-JS or utility-first CSS systems (e.g. Tailwind, styled-components)
  • Experience using Git, writing unit and integration tests, and working within CI/CD pipelines
  • Bonus: experience with Next.js, SSR/SSG patterns, or full-stack TypeScript (tRPC, Prisma, etc.)
How We Work

We're building a culture that blends high performance, deep belonging, and radical clarity:
  • We care about outcomes, not theatrics
  • We move quickly and learn constantly
  • We speak the truth early
  • We protect focus
  • We hold a high bar for craft and quality
  • We're small, intense, collaborative, and mission-driven
  • We care about each other, and we care about the millions of teens we serve

If you're looking for a place where you can have real ownership and build something that genuinely changes lives, this is it.

Work Environment
  • This is a full-time hybrid position in person in our NYC office in Williamsburg. We consider fully remote for exceptional talent.
  • We have an output-driven culture and provide lots of flexibility throughout the week as needed.
What We Offer
  • The annual salary range for this position is $180,000 - $250,000.
  • Significant equity compensation, reflecting your foundational role and impact.
  • Comprehensive health insurance coverage.
  • Significant work ownership and autonomy
  • Unlimited days off.

Job level and actual compensation will be determined by factors including, but not limited to, individual qualifications objectively assessed during the interview process (including skills and relevant prior experience, potential impact, and scope of role), market demands, and specific work location. The listed range is a guideline, and the range for this role may be modified.
⚠ Important Application Instructions

To be considered for this role, you must complete the following:

1. Record a video (8-10 minutes) answering these questions:
  1. Introduce yourself!
  2. Talk to us about your experience with React and web engineering. It's okay to brag!
  3. Why do you want this job?
  4. What are you best at professionally?
  5. What do you not like doing professionally?
  6. What are your career ambitions?

2. Send an HTTP POST request to:
https://recruitment.somethings.com/candidates
Your POST request should include a JSON body with:

Required fields:
  • name - Your full name
  • email - Your email address
  • videoUrl - Link to your Loom video
  • resumeLink - Link to your resume (Google Drive, Dropbox, etc.)
  • githubUrl - Your GitHub/GitLab profile
  • role - Must be exactly "React Engineer"

Optional fields:
  • linkedinUrl - Your LinkedIn profile
  • portfolio - Your portfolio website
  • yearsOfExperience - Years of relevant experience
  • message - Anything else you'd like us to know

Example request:
curl -X POST https://recruitment.somethings.com/candidates \ -H "Content-Type: application/json" \ -d '{ "name": "Ada Lovelace", "email": "[redacted]", "videoUrl": "https://www.loom.com/share/your-video-id", "resumeLink": "https://drive.google.com/file/d/your-resume", "role": "React Engineer", "linkedinUrl": "https://linkedin.com/in/ada-lovelace", "githubUrl": "https://github.com/ada-lovelace", "yearsOfExperience": 3, "message": "Excited to join the team!" }'
Note: We will only review candidates who successfully send this POST request. Submissions by email or any other method will not be considered.

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