Senior Software Engineer (Backend, Core & Ecosystem)

Responsibilities

• Lead the design and implementation of core backend capabilities (for example new data pipelines, improved scalable and resilient architectures)
• Drive technical planning for initiatives, including scoping and sequencing work, identifying dependencies and risks, and communicating tradeoffs and timelines to stakeholders
• Deliver high-quality, member-facing features, collaborating with cross-functional partners to ensure requirements are met and outcomes are measurable
• Maintain and improve system performance, scalability, and reliability across APIs and infrastructure using Java, Kafka, Postgres, and AWS technologies
• Establish and evolve shared engineering standards through code reviews, documentation, and architectural discussions, influencing patterns used across backend development
• Mentor and support other engineers through pairing, feedback, and knowledge sharing, helping grow individual capability and the overall health of the codebase

Qualifications

• Significant experience building and operating large-scale backend systems in a production environment
• Deep expertise in API design and development, including RESTful services and relational databases such as Postgres
• Experience working with event-driven or asynchronous systems such as Kafka or SQS
• Proven ability to design systems for scalability, reliability, and performance
• Experience writing well-tested, maintainable code with clear documentation
• Strong collaboration and communication skills, with experience working cross-functionally
• Growth mindset with a desire to learn, iterate, and improve in a complex and evolving environment
• Bonus: Experience working full-stack (for example, Swift or Kotlin), or building shared services used across multiple product areas