Top Backend Developer Jobs

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.

Build and maintain data-heavy web applications, APIs, and LLM integrations. Design and implement multi-step agentic workflows, optimize data storage and processing on PostgreSQL/AWS, develop tooling for resilient workflows, and collaborate with the CTO to launch data-driven products.

Build production backend systems that ingest and normalize sensor and hardware data, develop tracking and sensor-fusion capabilities, design services and data pipelines, integrate imperfect real-world feeds, deploy and test in classified/unclassified environments, and collaborate with product, platform, and operational stakeholders to improve reliability and observability.

Own and build core backend services for global payments: design scalable distributed systems, integrate with banks and payment partners, ensure high availability, observability, security, and deployment workflows. Drive backend architecture, APIs, infrastructure as code, mentoring, and operational reliability.

Design, architect, and implement scalable backend services and APIs (Node.js, PostgreSQL, Redis). Optimize SQL and schemas, solve high-scale reliability challenges, integrate AI/LLM features, lead refactors, participate in code reviews and deployments, mentor engineers, and drive projects to production.

Design and implement backend services in Python with PostgreSQL, expose GraphQL APIs for AI agents and real-time frontends, optimize DB performance, contribute to CI/CD and Docker deployments, and enable real-time orchestration across human and AI agents.

Own and ship backend services in production, make long-term architecture decisions, use generative AI daily to improve development, collaborate with founders and cross-functional teams, and maintain operational reliability for enterprise-scale systems.

Lead architecture, build, and operate a serverless AWS backend (Python, Lambda, CDK, DynamoDB, S3) supporting APIs, event processing, integrations (EHR/CRM/eCommerce/3PL), observability, security, and compliance. Provide technical leadership, drive platform decisions, identify risks and scalability bottlenecks, and establish backend engineering best practices across systems and teams.

Design, build, and maintain scalable, fault-tolerant backend services and data pipelines for an AI-driven cybersecurity platform. Implement secure APIs, optimize performance across distributed systems, establish backend best practices and CI/CD, write well-tested Python code, and mentor junior engineers.

Design and develop backend systems and APIs for wearable physiological measurement devices, focusing on scalable solutions and integration across product lines.

Own and set technical direction for the Everand backend, building scalable, reliable systems for discoverability, personalization, and core consumption journeys. Drive architecture, platform health (CI/CD, staging, DBs, queues, cost, observability), mentor engineers, lead cross-team planning, modernize legacy systems, and partner with product, design, analytics, web/mobile, and ML to support experimentation and telemetry-driven decisions.

The Senior Back-End Developer builds and maintains server-side operations for cloud solutions, collaborating with teams to deliver software, support users, and document features.