Senior Backend Engineer

Invaluable operates an online live auction marketplace connecting bidders and buyers with auction houses. The Senior Backend Engineer delivers and improves platform features, performance, reliability, and backend standards while collaborating with product and design and mentoring engineers.

Responsibilities:

• Build and ship features end-to-end across any tier of the Invaluable platform, from implementation through testing and deployment
• Improve quality and maintainability by refactoring legacy areas and reducing technical debt with pragmatic, incremental changes
• Own reliability and performance: diagnose production issues, squash bugs, and improve UX with measurable outcomes
• Drive backend architecture and standards: propose patterns, tooling, and conventions that improve developer experience and long-term maintainability
• Collaborate effectively through pairing, code reviews, and shared problem-solving, including communicating clearly across time zones
• Mentor and support engineers by sharing best practices, offering feedback, and helping others grow through guidance and technical leadership
• Partner with Product and Design to clarify requirements, scope work, identify tradeoffs, and deliver high-quality user experiences

Requirements:

• 5–7+ years of professional backend engineering experience
• Strong proficiency with Java, and experience with one other language, either backend or frontend
• Experience working in and improving legacy codebases, with an ability to modernize safely over time
• Strong automated testing experience
• Dedication to writing clean code that performs well and is easy to understand and maintain
• Strong technical judgment.  Ability to propose solutions, explain tradeoffs, and make pragmatic decisions for long-term codebase health
• Excellent communication skills, with the ability to choose the correct level of detail for your audience
• Collaborative and kind.  You should enjoy pairing, code reviews, and knowledge sharing, and be open to both learning and teaching
• Experience with ecommerce or payment products
• Experience with high-traffic consumer products
• Experience improving performance and observability in production
• Experience mentoring more junior developers
• Experience with CI/CD, Docker, Kubernetes, and AWS
• Experience with microservices architectures