Top Senior Backend Engineer Jobs in NYC, NY

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

As a Senior Backend Engineer, you'll design and operate systems to manage Grafana Cloud stacks, improve operational efficiency, and ensure stack lifecycle workflows are reliable. You'll collaborate across teams, own production systems, and be part of on-call duties, contributing to both product development and incident response.

The Senior Backend Engineer will lead product components, enhance application performance using various databases, ensure user-centric development, and oversee all stages of the Software Development Life Cycle while promoting continuous learning and collaboration.

As a Senior Backend Engineer, you will build APIs and integrations, develop fault-tolerant systems, mentor engineers, and ensure code quality.

As a Senior Backend Developer, you'll design and maintain high-volume pipelines and databases, implement ETLs for automated abuse-prevention, and develop monitoring solutions while collaborating with teams on safety systems.

Lead backend development for features, ensure system performance, mentor junior engineers, and drive innovation in a fintech environment.

The Senior Back End Engineer will lead backend development, mentor juniors, ensure coding standards, and contribute to system design and innovation.

The Senior Backend Developer will design, develop, and maintain backend systems using PHP and Laravel for B2C fintech applications, focusing on system security and payment gateway integration.

Develop and maintain server-side logic, databases, and APIs for OTT applications, ensuring security, scalability, and optimal performance. Requires experience in microservices and API integration.

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 and implement BPMN workflows and DMN decision models to automate processes across laboratory, clinical, and business systems, collaborating with teams to enhance workflow orchestration.

The Senior Backend Engineer will lead AI-focused projects, optimize data pipelines, mentor juniors, and enhance customer support through innovative technologies.

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.

Lead the design, development, and deployment of software solutions to combat identity fraud, mentor junior engineers, and ensure high-quality products.

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.

The Senior Backend Engineer will design and maintain Azure SQL databases, optimize performance, automate deployments, and collaborate with teams on best practices and development.

Design and develop scalable backend services and APIs for Censys' data platform, processing large datasets and collaborating with teams to ensure effective product development.

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.

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.