Top Backend Engineer Jobs in NYC, NY

As a Backend Engineer, you'll contribute to product roadmaps, scale infrastructure, integrate services, and drive architectural decisions while interacting with smart contracts.

The Senior Backend Engineer will build and manage the backend systems for Fora's products, implementing new functionalities, optimizing architecture, and collaborating with cross-functional teams.

You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.

As a Backend Engineer, you will develop scalable systems, optimize performance, mentor junior engineers, and lead critical projects at Hebbia's Agent Collaboration platform.

As a Backend Engineer, you'll build and maintain APIs and backend systems, optimize performance, mentor junior engineers, and drive user engagement for Hebbia's AI platform.

The Backend Engineer will design and implement efficient backend systems and APIs, optimize performance for large-scale data, and mentor junior engineers.

Design and build backend services for a digital asset custody platform, including secure transaction orchestration, wallet lifecycle management, integrations with custody providers and blockchain infrastructure, resilient APIs, high-availability systems, observability, and close collaboration with security and product teams.

Join Rain's AI team as a Backend Engineer to build scalable backend systems and AI-powered features while collaborating with business teams.

Design and implement scalable backend systems for advisor payments, ensuring accuracy and performance, while collaborating with product teams to enhance user experience.

Lead design and delivery of distributed, event-driven backend services using Java, Kafka, and AWS. Define architecture, ensure scalability/reliability/observability, own production operations, drive API/data modeling, implement CI/CD and testing, and mentor engineering teams.

Build and own low-latency, highly scalable backend APIs and data systems for transaction enrichment. Design infrastructure, implement data pipelines, debug production issues, and collaborate cross-functionally to deliver reliable products processing billions of transactions.

Build and maintain agentic workflow components and the platform requirements knowledge base to ensure features ship across GitLabs deployment targets. Implement integration surfaces (issues, MRs, design docs, CI/CD), collaborate with platform teams to translate expertise into structured requirements, and write tests, documentation, and evaluations for agentic-workflow behavior and assessment accuracy.

The Senior/Staff Backend Engineer will build AI-driven products, optimize performance, collaborate with teams, and establish best practices for Applied AI at Fora.

Build and own backend services and infrastructure for a geospatial web platform: design REST APIs, model PostgreSQL/PostGIS data, manage deployments on Docker/Kubernetes (AWS EKS), maintain CI/CD and IaC, and collaborate with ML and frontend teams while engaging with customers.

Design, build, and maintain globally distributed, fault-tolerant backend microservices and data pipelines. Integrate and refine Large Language Models, collaborate cross-functionally, ensure high-quality code, testing, monitoring, and mentor other engineers while owning features end-to-end.

Build enterprise-grade authentication, authorization, and identity features across the full stack. Design and implement RBAC, provisioning (SCIM), SSO/OAuth integrations, secure public APIs, and admin workflows for auditing and compliance. Own end-to-end product changes, collaborate on architecture, and mentor engineers to deliver scalable, reliable systems for enterprise customers.

Design, build, and maintain high-availability backend services and RESTful APIs using Python/Django and PHP. Own production deployments on Kubernetes/EKS and AWS, mentor junior engineers, produce technical documentation, define architecture, track performance metrics, and collaborate with stakeholders to deliver scalable ad-tech platform features.

The Back End Engineer at Bilt will design, implement, and document back-end services, mentor junior engineers, and collaborate on application optimization in a dynamic environment.

As a Software Engineer on the Compute team, you will build and optimize systems for data processing, SQL querying, and improve the performance of code execution. You will tackle complex engineering challenges spanning backend data systems to frontend applications, ensuring efficiency and usability.

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.

Lead the development of technology projects, manage a team of developers, deliver cloud-based solutions, and mentor engineering community members.

Lead backend engineering portfolio and team to build cloud-based, distributed microservices and full-stack solutions. Mentor engineers, collaborate with product managers, and use modern languages, containers, orchestration, and cloud services to meet regulatory and business needs.

Lead and deliver backend-focused enterprise platform projects using distributed microservices and cloud technologies. Mentor and manage developers, collaborate with product managers, design robust cloud-based solutions, and occasionally write or review code. Drive adoption of modern tooling (containers, orchestration, databases, cloud services) and participate in internal and external tech communities.

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.