Top Engineering Jobs in New York City, NY

Software Engineering Interns will work on Notion’s Web Infrastructure team, building performant, scalable, and accessible frontend foundations. Responsibilities may include developing reusable web patterns, creating tooling for testing, debugging, and profiling frontend features, and building desktop infrastructure with OS integrations. Candidates should be pursuing a relevant degree, developing React and TypeScript proficiency, have prior internship experience, and demonstrate problem-solving, collaboration, adaptability, user empathy, and interest in AI technologies.

Software Engineering Intern supporting Notion’s iOS platform. The intern will own and ship a focused production project, improve mobile build, testing, screenshot, observability, and CI/CD workflows, and collaborate with mobile platform, AI, and core product engineers. The role provides exposure to shared frameworks, release quality, build systems, and Rust. Candidates should be pursuing a relevant degree, have prior internship experience, programming experience, AI prototyping exposure, and be available to work onsite in New York during summer 2027.

Build growth-focused technical foundations, polished React interfaces, AI coding-agent systems, and end-to-end product experiments. Use data, customer research, A/B testing, and product intuition to identify opportunities that improve activation and engagement. Provide technical leadership, mentor engineers, collaborate cross-functionally, and balance product quality, speed, and business impact.

Build and evolve Notion’s Developer Platform, including APIs, MCP tools, integrations, and automation infrastructure. Develop internal and customer-facing platform capabilities, improve product reliability, performance, and scalability, and partner with product, design, data science, and research teams to define strategy and deliver features. Identify high-leverage technical investments and own software features end to end.

Build and evolve Notion’s iOS platform, including shared frameworks, architecture, testing, build systems, observability, CI/CD, and release-quality tooling. Partner with mobile AI and core product engineers to improve developer workflows, evaluate iOS capabilities, and drive adoption of platform standards. Use AI tools and agents to enhance engineering productivity while supporting a reliable mobile application used by millions.

Build and ship impactful features for Notion’s Android and iOS applications during a 12-week internship. Responsibilities include writing clean, secure, tested, documented code; collaborating with mobile engineers; improving app performance, reliability, and user experience; and potentially optimizing web-stack components. Interns work with mentors and cross-functional teammates from Notion’s New York or San Francisco offices.

Build and evolve Notion’s Developer Platform, including APIs, MCP tools, integration infrastructure, and internal platform capabilities. Partner with product, design, data science, and research teams to define strategy and deliver reliable, scalable features. Own production software end to end, improve platform performance and robustness, and drive high-leverage technical investments. Help developers and customers create integrations, automations, and connected workflows.

Build and scale backend infrastructure for Notions database (Collections) to improve P95 performance, reliability, and concurrency. Work on distributed systems, microservices, high-volume writes, observability, and platform features; partner with product and senior engineers and use AI tools to accelerate debugging and testing.

Design and implement technical solutions for customer engagements, focusing on large-scale enterprise deployments while collaborating with various teams.

The role involves designing and shipping new database features, collaborating on technical solutions, and improving code quality in a team environment.