Back End Developer

Job Title: Full Stack Engineer
Work Mode: 100% RemoteEmployment Type: Independent Contractor (hourly pay; no benefits; contractor responsible for own taxes)Contract Duration: 6 months, with possibility of extensionWorking Hours: 40 hours per week About the RoleWe 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 role focuses on creating seamless and compelling customer-facing experiences that make it easy for individuals to consign luxury items. The team values 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 the technology platform.
Technology Stack: Java, Kotlin, TypeScript, GraphQL, Kafka, AWS Lambda, PostgreSQL, DynamoDBLegacy Technologies: Ruby on Rails, Elixir, React
Requirements7+ years of professional software development experience.Strong proficiency in Java or Kotlin, 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 architecture, 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 QualificationsExperience 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.
ResponsibilitiesDesign, 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 team members.Participate in pair programming and knowledge-sharing activities across the engineering team.Deploy production-ready code and support applications throughout the software development lifecycle.Lead and contribute to significant engineering initiatives while helping drive platform evolution.Mentor fellow engineers through collaboration, code reviews, and technical guidance.