# Full Stack Software Engineer

**Company:** [Pure](https://hotfix.jobs/companies/pure)
**Location:** Los Angeles, CA
**Role:** Fullstack Engineering
**Salary:** $145k – $250k/yr
**Experience:** 3+ years
**Skills:** TypeScript, Next.js, Node.js, Postgres, React, Order Matching, Marketplaces, Ui/Ux, Schema Design, Query Optimization
**Posted:** 2025-10-17

> Builds and scales full stack marketplace for rare coin trading, owning backend order matching, payments, and frontend UI with TypeScript/Next.js/Node.js/PostgreSQL. Leads features end-to-end, mentors developers in fast-paced startup. Requires 3+ years experience.

## Job Description

## Responsibilities
- Lead and own critical features and subsystems end-to-end - from design through to deployment.
- Make key technical decisions, set priorities, and deliver fast without sacrificing quality.
- Build, maintain, and scale marketplace backend including order matching / order-book logic with concurrency, correctness, and speed; transaction flows, payments, reconciliation; ensuring data integrity, auditability, resilience.
- Build and refine frontend / UI/UX using **TypeScript + Next.js**: translate designer UX flows into high quality components; optimize performance (SSR vs client side, code splitting, lazy loading, etc.).
- Work deeply with **PostgreSQL**: data modeling, query optimization, indexing, schema design, ensuring performance as data and load grow.
- Develop and improve internal tools (“Nimbus”) for accounting, logistics, operations dashboards, fraud detection, monitoring, etc.
- Lead small teams or mentor other developers: provide code reviews, help unblock teammates, set best practices.
- Drive process improvements, technical architecture, testing strategy, observability. Be hands-on in incidents or urgent problems.

## Requirements
- 3+ years of full stack engineering experience (or equivalent), especially in startup or fast-paced environments.
- Comfortable leading yourself and others - owning features / systems, guiding teammates, making decisions.
- Hands-on: write and ship code, prototype, fix bugs, and think about architecture and scalability.
- Strong front-end experience with **TypeScript + Next.js**, good eye for UX / UI, performance, accessibility.
- Strong backend experience: **Node.js** (or similar), working with **PostgreSQL**, comfortable with designing schema, writing efficient queries, handling transactions and consistency.
- Excellent problem solver: understand trade-offs between speed, maintainability, architecture, and pragmatic.
- Good communicator: able to translate business / operations / design needs into technical work, and explain trade-offs.
- Self-driven, independent: no constant supervision; push things forward, and know when to ask for feedback.

## Nice-to-Haves
- Experience building marketplaces, matching engines, or financial or trading systems.
- Experience working with design systems, component libraries, or UI frameworks.
- Experience with scaling backend services, optimization, monitoring, observability.

## Compensation & Benefits
- Flexible work arrangements: Remote, hybrid, or in-office in L.A.
- Health coverage & insurance: Medical, dental.
- Retirement: 401(k) with employer match.
- Extras & perks: Daily lunches, Wellness stipend.

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**Apply:** https://hotfix.jobs/jobs/6381aca8-acf4-48be-9367-546fc65d0588
**Canonical:** https://hotfix.jobs/jobs/6381aca8-acf4-48be-9367-546fc65d0588