Senior Software Engineer - Sales & Retail

The Role: Senior Software Engineer on the Item Domain team (Sales & Retail: Pricing, Pay, and Merch Tools) for an authenticated luxury resale marketplace. Focus on backend services and internal tooling; web applications for shoppers and operators for listing, enrichment, and merchandising. Partner with product, design, and engineering leadership. Responsibilities: Produce high-quality, performant, and testable code that directly contributes to company-wide initiatives. Develop using JVM (Java, Kotlin), Elixir, Ruby, React, TypeScript, GraphQL, Kafka, AWS/Lambda, PostgreSQL, DynamoDB; handle data per policy. Have input into technical decisions that will shape the future of our software systems. Learn something new, whether it's a new software design pattern or a new initiative to push the company forward. Review pull requests and provide constructive feedback to your peers. Pair up with a team member to work together on features; support onboarding where needed. Deploy user-facing code to production responsibly. Act as a strong partner to product, engineering management, and stakeholders. Observability and reliability: learn from metrics and incidents; keep systems maintainable. Requirements: 3-5+ years of software engineering experience. Strong communication skills with product, stakeholders, and engineering peers. Understanding of reusable components / building component libraries when the role includes UI. Understanding of building production-ready web applications and systems; reliability- and security-minded engineering. Passionate about testing practices and continuous improvement; observability-minded delivery. Experience influencing technical direction (architecture, standards, delivery), not only predefined tasks. Experience with Java, Kotlin, Elixir, Erlang, Ruby, JavaScript, Next.js, or another programming language; ready to work on JVM services (Java, Kotlin) when assignments require it. Familiarity with common programming tools such as IDEs, RESTful APIs, Git repositories, TypeScript, version control software, and remote deployment tools. Bachelor of Computer Science degree or equivalent experience. Familiarity with event-based architectures, event streaming (for example Kafka), database fundamentals, and GraphQL or comparable APIs. Enthusiasm for solving problems for our users with technology; uses data and business context where it helps. Strong Plus: Experience with JVM services (Java, Kotlin) in production, including common frameworks and tooling, and/or with web applications using JavaScript, TypeScript, HTML, CSS, and React. Experience integrating LLMs or managed AI APIs into backend or internal tooling (for example enrichment, classification, or human-in-the-loop review). Experience building microservices integrated with neighboring teams or shared platforms. Experience building eCommerce platforms. Experience working with a CMS, especially Prismic. Experience with dashboards, monitoring, or incident response in production. Apply To This Job