Top Senior Backend Engineer Jobs in NYC, NY

As a Senior Backend Engineer, you'll design and integrate backend systems for LLM-based music features, collaborating with cross-functional teams to enhance user experience and manage high-volume distributed services.

As a Senior Backend Engineer at LiveRamp, you'll build and scale AI-driven advertising technology, manage distributed real-time APIs, and enhance core system performance and reliability.

Design, build, and operate backend services and data pipelines for Spotify Rights Center, collaborating with cross-functional teams to meet business needs and deliver scalable solutions.

The Senior Backend Engineer will develop and maintain scalable APIs, support data platforms, and debug production issues while collaborating with teams to enhance customer value.

The Senior Lead Software Engineer will lead diverse tech projects, mentor developers, and deliver cloud-based solutions using various programming languages and technologies.

Design and maintain backend systems for stablecoin payments, lead projects, collaborate with teams, and mentor junior engineers in a fast-paced environment.

Build and scale Polymarket's low-latency exchange backend: design high-performance services, optimize for latency/throughput, architect distributed/event-driven systems, operate and debug production on Linux, ensure reliability and security, and collaborate across product, infra, and data teams.

Design, build, and own core backend services powering AI agents and healthcare workflows, including orchestration of asynchronous, multi-step agentic workflows, high-stakes EHR integrations, platform abstractions, and HIPAA-compliant security and auth.

Develop Django APIs and backend services for a decentralized energy platform, focusing on scalability, performance, and collaboration with cross-functional teams.

As a Tech Lead, you will spearhead the backend tech vision, mentor junior engineers, collaborate with teams, and improve Java Spring Microservices.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

As a Sr. Software Engineer, Backend, you will develop AI-powered solutions for clinical documentation and medical coding, collaborating with cross-functional teams to enhance SaaS products and deliver actionable insights for healthcare organizations.

As a Senior Backend Engineer at Posh, you will design, build, and maintain scalable systems and APIs for AI features, focusing on Multi-Agent Systems and cloud infrastructure management.

Develop and enhance features within the Subscriptions Backend, ensuring system stability and observability, and leading architectural decisions.

As a Senior Backend Engineer, you'll design and build RESTful APIs, microservices on Kubernetes, and distributed systems in Go, while collaborating across various teams.

The Senior Software Engineer will build scalable payment systems, manage backend services, collaborate cross-functionally, and mentor teammates within a dynamic financial tech environment.

Build, ship, and operate backend systems and data infrastructure; develop robust business logic for health data; prototype and productionize experiments to improve AI/ML models; establish scalability, security, testing, and MLOps best practices; and iterate on engineering process and culture.

As a Senior Backend Engineer, you will build and optimize the infrastructure for AI agents, improving reliability and performance while making technical decisions and contributing to code quality.

The Senior Backend Engineer will design and develop backend systems focusing on data integration and reporting for private market clients, using Generative AI and collaborating with cross-functional teams.

Design and scale backend systems, manage core services and APIs, collaborate with cross-functional teams, and enhance system reliability and performance.

The Senior Backend Software Engineer at Headway will design software architecture, mentor teams, and evaluate technology to enhance mental healthcare accessibility.

Build and scale real-time invariant enforcement across fund flows, contribute to core platform development, mentor junior engineers, and operate correctness models in production.

The Senior Backend Engineer will design, build, and maintain backend services for Ernesta's order management system, focusing on architecture, integrations, and data integrity.

The Senior Software Engineer, Onchain will design and maintain Polymarket's execution infrastructure, APIs, and systems for high transaction volumes on EVM networks, ensuring performance and security while adhering to best coding practices.

Design, build, and maintain scalable backend services for patient care workflows, ensuring high performance and collaborating with multiple teams.