Senior Software Engineer, Full-Stack (PSA Liquidity Platform)

3 months ago

Remote, United StatesSenior

Base Salary

$141k - $229k/yr

Responsibilities

Build buyer tooling for targeting, campaign management, budget controls, analytics, and large-scale collectible acquisition.
Develop and optimize real-time targeting, matching, and ranking engines to improve GMV, conversion, and offer-to-sale velocity.
Design and operate scalable microservices and distributed, event-driven systems for millions of collectibles.
Build low-friction seller experiences for pricing, evaluating options, and completing sales.
Own projects end-to-end from ambiguous problem definition through shipped, instrumented production products.
Coordinate delivery across engineering, product, business, design, data, AI/ML, and partner teams.
Connect systems across grading, collection management, vaulting, payments, logistics, and risk.
Communicate technical plans, specifications, tradeoffs, and progress to executives and engineering stakeholders.

6+ years of engineering experience.
Track record of designing, shipping, and scaling 0-to-1 products with measurable business impact.
Ideally 2+ years operating as a Senior IC or at an equivalent technical leadership level.
Strong proficiency in Java and Spring Boot, with modern frontend experience in React and Svelte.
Experience designing and operating microservices and Kafka-based event-driven architectures.
Experience running workloads on Kubernetes and working within the AWS ecosystem.
Experience with observability, dashboards, monitoring, alerting, and distributed tracing using tools such as Datadog, New Relic, or OpenTelemetry.
Ability to work across frontend, backend, infrastructure, and data as needed.
Strong written and verbal communication, systems thinking, customer focus, ownership, and ability to influence without direct authority.
Passion for collecting is a plus.

Medical, dental, and vision insurance for full-time employees.
Fertility, commuter, and educational assistance benefits for full-time employees.
401(k) matching plan.
Flexible time off for salaried employees and ten paid company holidays for regular full-time employees.
Employee discounts on select grading services.
Flexible schedules may be available depending on the team.
Candidates within a one-hour commute may be expected to work onsite most of the time; the role is associated with remote and hybrid arrangements.
The company may request an onsite interview during the final interview stages for remote roles.

1,001-5,000 employees