We are in search of very strong Ruby backend developers with React front-end and Elixir experience.This collaborative team is responsible for building intuitive and compelling experiences that make it easy for individuals to consign items through a digital marketplace. There is a strong emphasis on individual growth, continuous learning, and personal development within a supportive engineering culture.As a Senior Software Engineer, you will be a hands-on contributor while also influencing technical direction. You will lead and contribute to major initiatives, mentor teammates through code reviews and pairing, and help shape the future of the platform.This role is ideal for engineers excited by luxury retail and e-commerce, or those motivated by sustainability and contributing to a circular economy for high-end goods.This position reports to the Engineering Manager, Customer Experience, and is fully remote.What You Will DoProduce high-quality, performant, and testable code that supports company-wide initiativesBuild and maintain systems using technologies such as Elixir, Ruby, React, TypeScript, GraphQL, Kafka, AWS (Lambda), PostgreSQL, and DynamoDBInfluence architectural and technical decisions that shape long-term system designContinuously learn and apply new technologies, patterns, and approachesReview pull requests and provide clear, constructive feedbackPair program with teammates to deliver features collaborativelyDeploy user-facing code to production environmentsWhat You Bring5+ years of professional software development experienceStrong proficiency in Elixir and RubySolid experience with modern JavaScript (ECMAScript), HTML, and CSSHands-on experience with React and the broader React ecosystem (Node.js, npm)Familiarity with RESTful APIs, Git, TypeScript, version control, IDEs, and remote deployment toolsUnderstanding of event-driven architectures, database fundamentals, and GraphQLA user-focused mindset with enthusiasm for solving real-world problems through technologyInterest in retail/e-commerce, luxury goods, or sustainability-driven platformsBonus PointsExperience with Kafka or other event-streaming platformsExperience extracting or migrating microservices from a monolithic architecture