Full Stack Software Engineer

OverviewJob PurposeThe New York Stock Exchange (an Intercontinental Exchange company) is synonymous with finance. It's where global investors turn every day. As the world's most trusted exchange group, we operate a family of exchanges spanning equities, options, ETFs, and bonds, all running on trading technology we build and operate ourselves, combining that technology with a human being at the point of sale.We are looking for a versatile Full Stack Software Engineer with a strong technical foundation and the ability to work across the entire stack, from data and services through to the user experience. This is a builder's role. You will own problems from idea to production and take on work across design, implementation, testing, and delivery rather than staying inside a single layer.AI is reshaping how software is built, and we want an engineer who takes full advantage of it. The most effective developers today use AI and agentic tools to raise both their speed and their quality, and to expand the scope of what one engineer can deliver. We are looking for someone who has made these tools part of how they work and who stays current as the field evolves.You will join a fluid team that moves quickly, where ideas need to be communicated concisely and effectively. The ideal candidate is driven, works well independently and as part of a team, and knows when to escalate. You should thrive in an agile environment, welcome constructive feedback in the spirit of improving software quality, enjoy modern tooling, and be able to take on complex, loosely defined problems with limited direction.ResponsibilitiesDesign and build thoroughly tested, efficient, maintainable software across the full stackOwn features from early concept and prototype through to production and supportDesign, build, and integrate RESTful APIs and servicesContribute to and enhance shared component and testing frameworksUse AI and agentic development tools to accelerate implementation, testing, refactoring, and documentation, while retaining full ownership of the correctness, quality, security, and maintainability of everything shippedReview and validate code generated by AI with the same rigor as any other change, and define the conventions and guardrails that keep this work consistent with the codebaseChoose an appropriately sized AI model for each task, balancing capability against speed and costCreate and maintain clear software documentationPrepare and produce releases of software componentsBuild wireframes and prototypes to validate ideas quicklyProvide support throughout the software delivery process, including beyond business hours when necessaryWorking with AIFluency with modern AI development tools is a core expectation for this role, not something optional. We expect candidates to have actively used these tools in real development work within the past year.Direct experience with AI and agentic coding tools such as Claude Code, OpenAI Codex, Cursor, and GitHub Copilot in VS CodePractical experience using AI agents to accomplish real engineering tasks from start to finish, including planning, implementing, testing, and refactoring, rather than autocomplete aloneSound judgment about when to rely on AI and when not to, and a disciplined approach to reviewing and validating the code these tools produceWorking familiarity with the current model landscape across providers such as Anthropic, OpenAI, Google, xAI, and Meta, and an understanding of their relative strengthsSelecting models with cost in mind, knowing when a smaller and faster model is the right choice and when a frontier model is warrantedA habit of following developments in this quickly changing space and adapting as tools and models evolveA track record of using AI to learn new concepts and grow independently, and a genuine appetite for continuous improvementKnowledge and ExperienceWe are hiring at the 2+ year experience level and do not expect deep mastery of every item below. What matters most is a strong technical foundation, active and thoughtful use of AI tooling, excellent communication, and a clear growth trajectory. We want a capable engineer with the right fundamentals and real drive who we are confident can grow with us.Bachelor's degree in Computer Science or a related field, or equivalent practical experience2 or more years of professional software development experienceStrong computer science fundamentals, including data structures, testing, debugging, and clean, maintainable designProven ability to work across the full stack, comfortable on both the frontend and the backend rather than in a single layerProficiency with a modern frontend framework and the core web technologies beneath it, including component design and state management. We primarily use React and TypeScript, with JavaScript, HTML5, and CSSExperience building backend services and integrating RESTful APIsExperience working with a relational database such as Oracle or PostgreSQLA habit of writing automated tests and reviewing code with care, including code produced by AIDemonstrated, recent experience using AI development tools (see Working with AI above)Excellent communication skills and the ability to explain technical solutions clearlyAbility to work well both independently and as part of a team, with a strong desire to growPreferredExperience with the Spring Boot framework or another modern backend frameworkExperience with data grids and data virtualization in React, including AG GridExperience with D3 or a similar JavaScript visualization libraryExperience with testing and browser automation frameworks such as Jest, React Testing Library, Enzyme, Chai, Playwright, jest-puppeteer, or cucumber-jsExperience with WebSocket integrationExposure to cloud platforms, containers, or CI/CD pipelinesInterest in or exposure to financial markets or trading systemsNew York Base Salary Range The expected base salary for this role, if located in New York, is between $130,000 - 160,000 USD.  The base salary range does not include Intercontinental Exchange’s incentive compensation.  While we provide this range as general guidance, at ICE we compensate employees based on the skillset and experience of the individual. Regular full-time ICE employees are eligible for a suite of competitive employee benefits, including healthcare coverage (medical, dental and vision), a 401(k) plan, life insurance, time off, and paid leave for qualifying circumstances. Intercontinental Exchange, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.