Senior Software Engineer - Sales & Retail

Senior Software Engineer

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.