Senior Software Engineer (Full Stack)

Senior Software Engineer (Full Stack) Location: Remote Contract: PJ (Long-Term) About the Opportunity We are seeking a kind, curious, and highly collaborative Senior Software Engineer (Full Stack) who enjoys solving complex technical challenges and building exceptional user experiences. This team is responsible for creating seamless and compelling digital experiences that make it easy for customers to engage with a premium e-commerce and consignment platform. The engineering culture emphasizes collaboration, continuous learning, individual growth, and professional development. As a Senior Software Engineer, you will be both a hands-on technical contributor and a key influencer in shaping engineering direction. You will lead and contribute to significant initiatives, mentor fellow engineers through code reviews and pair programming, and help drive the evolution of a modern technology platform. This opportunity is ideal for engineers passionate about luxury retail, e-commerce, sustainability, and circular economy business models. What You'll Do Design, develop, and maintain high-quality, scalable, performant, and testable software solutions. Build and enhance customer-facing applications that directly support strategic business initiatives. Contribute to technical architecture and engineering decisions that shape the future of the platform. Collaborate closely with product managers, designers, and engineers to deliver impactful features. Review pull requests and provide thoughtful, constructive feedback to teammates. Participate in pair programming and knowledge-sharing activities across the team. Deploy production-ready code and support applications throughout the software development lifecycle. Continuously learn and explore new technologies, design patterns, and engineering practices. Technology Stack You will have the opportunity to work with a modern technology stack including: Java Kotlin JavaScript TypeScript GraphQL Kafka AWS Lambda PostgreSQL DynamoDB Legacy services currently include: Ruby on Rails Elixir React Required Experience & Skills 7+ years of professional software development experience. Strong proficiency in Java or Kotlin, along with experience working in Ruby on Rails environments. Expertise in modern JavaScript (ECMAScript), HTML, and CSS. Experience building applications with React and related ecosystem tools, including Node.js and npm. Familiarity with RESTful APIs, Git, TypeScript, IDEs, version control systems, and deployment tools. Understanding of event-driven architectures, GraphQL, and database design fundamentals. Strong problem-solving skills and a user-centric engineering mindset. Interest in retail, e-commerce, luxury consignment, sustainability, or circular economy business models. Preferred Qualifications Experience implementing or maintaining Kafka-based event streaming solutions. Experience working with Elixir. Experience decomposing monolithic applications into microservices. Familiarity with distributed systems and service-oriented architectures. What Makes You Successful You are curious, adaptable, and continuously seek opportunities to learn. You thrive in collaborative environments and enjoy mentoring fellow engineers. You balance technical excellence with pragmatic decision-making. You care deeply about delivering value to users through technology. You are excited by the opportunity to contribute to a mission-driven organization focused on sustainability and premium resale experiences.