Hiring: Software Engineer, Full Stack (Senior, Staff+) Company: Kustomer Location: New York, NY Job Posted Time: 2026-09-16 18:56:02 Employment Type: Remote Target Skills & Keywords : API Design, AWS, Accessibility, Elasticsearch, GitHub, Go, HIPAA, LangChain, MongoDB, Node.js, Pinecone, React, User Experience About the job Experience: •7+ years of progressive software development experience and a Bachelor's degree in Computer Science, Software Engineering, or a related field Required Skills: •AI is a core part of how we build. You'll use AI tools daily to move faster and raise the bar on what you ship. You'll also help build AI-powered product capabilities that meaningfully improve the customer experience. •Ship full-stack features end-to-end as a member of a pod, owning scope from problem definition through production, using technologies like Node.js, React, Golang, MongoDB, ElasticSearch, and AWS •Develop APIs and integrate with external services and databases, ensuring data integrity and security •Build front-end interfaces with a focus on user experience, responsiveness, and accessibility •Design and build AI-powered features that improve the user experience and platform efficiency •Partner with PMs, engineers, and your Pod Lead to shape requirements, design, UX, and scope tradeoffs, communicating progress proactively along the way •Optimize application performance through caching, efficient algorithms, and database indexing •Write thorough unit and integration tests to ensure quality and reliability Qualifications: •You're comfortable working across frontend and backend. You may have a stronger side, and that's fine. What matters is that you can follow the work wherever it goes and aren't blocked by an unfamiliar layer. •You understand how systems work at depth and have experience with cloud platforms like AWS or similar. Data structures, algorithms, concurrency, distributed systems, API design, database internals; these are tools, not trivia. •You don't need to be the domain expert before contributing. You read READMEs, trace execution, ask sharp questions, and start adding value fast. •You own the outcome, not just the ticket. You raise risks early, communicate progress proactively, and care about what ships, not just what you committed. •You’re able to diagnose and debug complex issues, optimize application performance, and identify areas for improvement. •You have hands-on experience with modern AI developer tools, such as Cursor or Claude Code, and have built a real working practice around using them as a force multiplier for code comprehension, test scaffolding, documentation, debugging, and ramp. •Operational familiarity with integrating AI or ML-powered capabilities into web applications, even at a prototype or feature level •Exposure to integrating third-party AI APIs or frameworks (e.g., OpenAI, Anthropic, LangChain, or vector databases like Pinecone) •Interest in exploring how AI can enhance developer workflows and improve product functionality •Github activity showing thoughtful, relevant contributions Compensation: •$130,000 - $215,000 / year •Flexible work environment (work from home / hybrid options) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!