Top Senior Software Engineer Jobs in NYC, NY

Design and build UIs and features for Oso's authorization service, enhance user experience, and engage with users for support.

Lead AI-driven development efforts, modernize engineering processes to enhance quality and speed in software development, and implement best practices for AI tools.

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

Responsible for developing and enhancing an AI SDK, ensuring high performance and integration with deployment platforms, while collaborating with cross-functional teams and engaging with the open-source community.

As a Full Stack Engineer, you will build and manage the Vercel Dashboard, creating a personalized interface while optimizing backend services, APIs, and user interactions.

The Software Engineer, Backend will develop scalable distributed systems, build REST APIs, and ensure high-quality software delivery while collaborating with teammates and stakeholders.

Build and iterate on Kalshi's web trading experience: implement new frontend features, write and maintain frontend code, collaborate with designers, weigh customer feedback, and partner with business and marketing to increase engagement.

Build and maintain a cloud-native, high-SLA Alpha Platform for pre-trade analytics, risk, hedging, and portfolio optimization. Work across full stack from data ingestion and processing to AI-driven analytics and client APIs. Drive system design, own features end-to-end, mentor peers, and promote engineering standards, observability, and CI/CD best practices.

Lead and mentor a team of software engineers to enhance development speed and quality, focusing on AI-native workflows and technical solutions. Conduct collaborative design and code reviews while driving high-leverage outputs with minimal technical debt.

The role involves leading a team of engineers in software development, focusing on AI-driven processes, mentoring, and ensuring high-quality output.

Lead and mentor a team of software engineers, focusing on AI-native workflows and rapid execution. Collaborate on technical solutions and ensure high-quality, scalable code.

Design and develop software solutions, analyze complex problems, and provide support for trading activities in a dynamic environment.

The Software Engineer will enhance trust and security in Notion's features, build AI-powered systems for risk detection, and collaborate across departments to ensure data privacy.

The Senior Trading Software Engineer will optimize performance-critical code, collaborate with trading engineers, implement low-latency solutions, and enhance trading systems.

As a Senior Software Engineer, you will design, build, and launch new product features, tackling complex engineering challenges in a high-performance environment, while directly shaping product and business outcomes.

As a Distinguished Software Engineer, you will design and build large-scale distributed systems, optimize machine learning platforms, and lead technical initiatives while mentoring talent.

Design and build large-scale systems for managing merchandise, ensuring data synchronization across platforms, and collaborating with cross-functional teams to support enterprise-level sellers.

Join Cash App's Lending Engineering team as a Software Engineer, building complex systems for financial products. Collaborate with teams and ensure quality delivery.

Design and implement high performance iOS applications, ensure code quality, and utilize AI tools for scalable mobile services. Requires extensive experience in software development, especially with iOS and Objective-C.

Design, maintain, and evolve core backend systems and APIs. Collaborate with product teams to create durable and reusable systems while enhancing performance and security.

The Developer Experience Engineer will improve developer experience by modernizing tools, building AI-powered systems, and accelerating product delivery at Kustomer.

As a Software Engineer on the Workflows Team, you'll develop the Workflow Development Kit and platform, emphasizing AI integrations, durability, and observability while collaborating with cross-functional teams and engaging with the open-source community.

Develop and enhance AI Gateway platform, contributing to the design and maintenance of features for optimal reliability in AI workloads while collaborating with cross-functional teams.

The Software Engineer will analyze user funnels, design experiments to boost adoption, and address user churn issues to enhance engagement.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.