Pure (YC S23) · 4 hours ago
Full Stack Software Engineer
LA Metro Area
Full-time
Hybrid
Mid, Senior Level
$145K/yr - $200K/yr
3+ years expPure is building the future of rare coin and precious metal trading, creating a new kind of order book marketplace. The Full Stack Software Engineer will lead critical features, develop both backend and frontend components, and ensure the marketplace's efficiency and reliability.
CollectiblesDatabaseMarketplace
Responsibilities
Lead and own critical features and subsystems end-to-end - from design through to deployment. You will make key technical decisions, set priorities, and deliver fast without sacrificing quality
Build, maintain, and scale our marketplace backend including order matching / order-book logic with concurrency, correctness, and speed in mind; transaction flows, payments, reconciliation; ensuring data integrity, auditability, resilience
Build and refine our 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
Qualification
Required
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: you write and ship code, prototype, fix bugs, and also 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: you understand trade-offs between speed, maintainability, architecture, and are pragmatic
Good communicator: able to translate business / operations / design needs into technical work, and explain trade-offs
Self-driven, independent: you do not need constant supervision; you push things forward, and also know when to ask for feedback
Preferred
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
Benefits
Health coverage & insurance: Medical, dental
Retirement: 401(k) with employer match
Extras & perks: Daily lunches, Wellness stipend
Company
Pure (YC S23)
Pure is building the future of rare coin and precious metal trading.
2-10 employees
H1B Sponsorship
Pure (YC S23) has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (2)
2022 (1)
2021 (3)
2020 (5)
Funding
Current Stage
Early StageTotal Funding
$15.55M2025-11-04Series Unknown· $15.55M
2023-07-01Seed
Leadership Team
Trey Benedict
Co-Founder & CEO
Company data provided by crunchbase