Top Backend Developer Jobs

As a Staff Backend Engineer, you'll lead the development of backend features in a Django monolith, optimize database performance, and mentor other engineers.

Design and build backend services and APIs to support customer experiences and third-party device integrations. Own critical product flows, optimize for scale and performance, implement API monitoring, and collaborate with product, analytics, and cross-functional engineering teams.

Build and maintain high-performance backend services for a real-time bidding DSP. Optimize distributed, low-latency systems handling millions of queries per second, integrate ML inference into production, improve scalability and observability, participate in design and code reviews, mentor junior engineers, and maintain high engineering quality and reliability.

Design, implement, and maintain backend APIs, services, and data pipelines. Optimize database performance, manage Docker-based microservice architecture, ensure software quality with testing and monitoring, collaborate across teams, and serve on-call roughly one week per month.

Senior Backend Engineer to design and build Papa Community's backend platform, integrate healthcare systems (EHRs, RCM), improve revenue cycle pipelines, implement member-facing tooling, enable operational intelligence, and own system reliability and performance in a high-autonomy startup environment.

Design, implement, and optimize high-performance backend services and APIs in Go. Architect scalable, fault-tolerant distributed systems using Kafka for large-scale data processing and streaming. Collaborate with product, frontend, and data teams; monitor and profile systems for performance and reliability; drive engineering best practices; and mentor junior engineers.

Design, build, and maintain the call center agent desktop and core backend platform. Develop integrations, automation, and AI-driven workflows to improve agent productivity. Ensure scalable, reliable systems with strong testing and observability. Own features end-to-end and collaborate with Product, Customer Success, and Operations.

Design, build, and maintain the Customer Success agent desktop and supporting backend platform. Develop integrations, automation, and AI-driven workflows to improve agent productivity. Ensure reliability, scalability, and observability; write high-quality code and tests; own features end-to-end and collaborate with Product and Operations to solve operational problems at scale.

Own and build core data infrastructure for an AI-driven logistics platform: design and scale distributed backend systems, queues, databases, and real-time search; ensure reliability and performance; set backend technical direction; mentor hires and collaborate closely with founders in San Francisco.

Design and maintain backend infrastructure and tooling for an AI evaluations platform. Build production-grade evaluation frameworks for ASR, LLMs, TTS, knowledge bases, and guardrails. Implement API/data integrations, test configuration management, reporting, observability, and debugging tools. Partner with ML, engineering, and QA to operationalize evaluations, enable regression detection and continuous monitoring, and improve developer experience and reliability.

Design, build, and scale backend APIs, microservices, and orchestration layers for a conversational AI healthcare platform. Ensure secure, HIPAA-compliant integrations (EHRs, FHIR), optimize performance and reliability, manage databases and data pipelines, maintain CI/CD and production services, troubleshoot incidents, and mentor junior engineers.

Design, implement, and maintain Python microservices for a real-time voice pipeline (capture, streaming transcription, LLM orchestration, TTS). Integrate providers and transports (WebRTC, SIP, phone), deliver ultra-low latency (<500ms), instrument tracing/metrics (OpenTelemetry), ensure production hardening and HIPAA-compliant security, and collaborate with ML, product, and client SDK teams.

Design and build highly scalable, low-latency backend services and APIs. Collaborate with product, infra, and data teams to architect systems, mentor engineers, drive technical decisions, and operate services handling thousands of requests per second.

Senior backend developer responsible for designing, maintaining and enhancing Java/Spring automation testing frameworks, ensuring SDLC and quality standards, performing root cause analysis, mentoring junior staff, and driving CI/CD/DevOps and Oracle/SQL based development and testing practices.

The Senior Software Engineer will design, build, and operate backend services, ensuring system reliability and performance while collaborating with others in a high-growth environment.

The Software Engineer will design and operate backend services, improve system performance, and collaborate with teams while taking ownership of projects.

The Backend Engineer will design, build, and improve backend systems, focusing on health data processing and AI/ML model efficiency.

The Backend Software Engineer designs and builds backend services for task planning and robotic workflows, ensuring performance and reliability in robotic systems.

Design, build, and maintain cloud backend services integrating SPAN hardware, mobile apps, dashboards and partner APIs. Drive Kafka-based event systems, Kubernetes networking and observability, design APIs, mentor engineers, and ensure scalable, reliable production systems for homeowner and enterprise use cases.

Lead backend architecture and implementation for scalable, reliable cloud-hosted web products. Mentor engineers, set standards, integrate agentic AI coding tools, design systems applying ML to large datasets, and balance customer-facing features with technical debt and performance.

Build and improve backend AI infrastructure powering model training, serving, and developer-facing AI products. Improve reliability, latency, and efficiency of distributed AI workloads, collaborate with platform and ML teams, and ship scalable APIs and deployment workflows for Databricks AI services.

Build and maintain cloud-native, scalable backend services (primarily in Golang). Own microservices architecture, ensure security, reliability, and performance. Work with data stores, CI/CD, Kubernetes, and stakeholders to deliver enterprise-grade privacy solutions.

Design, build, and operate secure, scalable Azure backend services and infrastructure that ingest and distribute real-time sensor data. Implement IaC, automation, observability, and resiliency, collaborate with software/hardware/systems teams, and shape platform architecture for high reliability, low latency, and operational readiness in mission-critical environments.

Lead backend architecture and high-performance cloud services, deliver scalable Node.js/TypeScript APIs, optimize CI/CD and deployments, mentor engineers, define engineering standards, and resolve complex system issues to ensure reliability and performance.

Lead design and delivery of mobile-facing backend APIs and services, own initiatives end-to-end, improve reliability and performance, mentor engineers, collaborate with Mobile, Web, Product, Design, and Platform teams, and modernize legacy systems while supporting high-traffic iOS and Android applications.