Top Backend Developer Jobs

Build and evolve backend systems for an AI-powered security platform. Responsibilities include developing security-tool integrations, data ingestion and processing services, proof-of-value pipelines, security data storage and indexing, and AI-powered security workflows. The role involves writing production code, contributing to technical design, collaborating across product, machine learning, and cybersecurity teams, and owning projects through deployment with mentorship.

Develop, maintain, test, integrate, and support backend software in AWS environments using DevOps practices. Design and modify software, debug defects, develop database queries and interfaces, execute testing and quality control, support installations, and maintain technical documentation. Collaborate with system and hardware engineers in an Agile environment using Git, Jira, and Confluence.

Leads external manufacturing operations at semiconductor subcontractors, driving operational stability, yield, quality, delivery, cost, continuity, and supplier performance. Manages strategic projects involving operational excellence, value engineering, and quality improvement while coordinating suppliers, customers, business units, and project teams. Requires strong analytical, troubleshooting, structured problem-solving, communication, and project management skills in high-volume semiconductor manufacturing environments.

Build and maintain backend infrastructure for AZX’s LLM gateway, including routing, rate limiting, key management, observability, sandboxing, Kubernetes services, operators, and autoscaling. Develop high-performance services in Go, Rust, or async Python using Envoy and gRPC. Support reliable model serving across cloud and customer-managed clusters, collaborate across platform teams, and help develop scalable inference and evaluation capabilities.

Build and scale backend APIs, services, event-driven workflows, queues, data models, caching, and integrations serving millions of users. Lead complex technical initiatives from discovery through production, improve reliability and performance, debug cross-system issues, and optimize databases and infrastructure interactions. Partner across Product, Design, Infrastructure, Platform, Data, and Support while mentoring engineers, influencing technical decisions, and raising engineering quality standards.

Design and build scalable backend services, data systems, pipelines, cloud infrastructure, and AI-enabled features for an enterprise SaaS platform. Lead technical projects, improve reliability and security, automate engineering workflows, and collaborate with product, design, and data teams. The role requires hands-on ownership in a fast-moving startup environment, with a focus on distributed systems, architecture, performance, compliance, and operational excellence.

Design and scale high-throughput, low-latency backend systems powering Fetch’s advertising platform. Own architecture across ad selection, targeting, delivery, attribution, and measurement services; improve reliability, observability, performance, and resilience; lead cross-team technical initiatives and migrations; establish engineering standards; resolve complex distributed-systems problems; and mentor senior engineers across Ads, Platform, Data, ML, and Product teams.

Staff Backend Engineer responsible for architecting and building scalable Python backend infrastructure, APIs, data models, document ingestion pipelines, event-driven processing systems, and AI extraction integrations. The role sets technical direction, makes architectural decisions, collaborates with customers on product development, establishes engineering best practices, and mentors backend engineers while helping build a high-performing team.

Build and operate reliable, scalable backend services and infrastructure for Duolingo’s advertising systems. Responsibilities include collaborating with product, design, data science, machine learning, and ad operations; designing, developing, releasing, and maintaining backend systems; and owning project priorities and milestones through production. The role requires strong backend fundamentals, systems thinking, and experience with Java, Python, or Kotlin and database technologies.

Design, build, maintain, and scale production backend services and integrations. Debug cross-service production issues, lead architecture and technical decisions, mentor engineers, improve engineering standards and tooling, release backward-compatible APIs, implement auto-scaling services, and architect real-time systems for syncing large data volumes.

Build and maintain scalable backend services, APIs, and data flows for current and next-generation SaaS platforms. Guide backend architecture and service standards, resolve performance and reliability issues, and contribute to production AI and LLM capabilities. Mentor engineers through reviews and technical guidance, strengthen testing, observability, deployment, and operational practices, and collaborate with architecture, product, data, and platform teams on technical direction and delivery.

Develop scalable backend services, REST APIs, geoprocessing tools, integration services, and data pipelines supporting ArcGIS Enterprise and mission-critical geospatial applications. Build automation workflows and connectors, support cloud-native and on-premises deployments, and improve distributed-service reliability through testing, monitoring, and observability. Collaborate with platform, DevOps, and GIS teams to deliver secure, high-performance production solutions.

Develop scalable backend services, APIs, geoprocessing workflows, integration services, and data pipelines supporting ArcGIS Enterprise and mission-critical geospatial applications. Build automation and connectors, extend containerized platforms, support cloud and on-premises deployments, and improve distributed-system reliability through testing, monitoring, observability, and performance optimization. Collaborate with GIS, platform, and DevOps teams to deliver secure production solutions.

Develop scalable backend services, APIs, geoprocessing tools, automation workflows, connectors, and data ingestion pipelines supporting ArcGIS Enterprise and mission-critical geospatial applications. The role involves integrating enterprise data sources, deploying across cloud and on-premises environments, improving system reliability and observability, and collaborating with platform, DevOps, and GIS teams. Requires backend engineering experience with Python, Node.js, and Java, geospatial platform integration, containers, REST APIs, and an active or recently active Top Secret clearance with SCI eligibility.

Technical lead for public-facing gRPC APIs and SDKs powering provider search, ranking, and dynamic copay lookups. Own API design, versioning, ranking/steerage logic, and reliability at scale. Write and review code and designs, mentor engineers, drive technical direction, partner with product and partner engineering, and support production operations and scaling decisions.

Own and improve core backend systems and infrastructure: build reliable, scalable services, improve observability and CI/CD, operate production systems, design APIs and data layers, lead technical decisions, mentor engineers, and partner with product to ship end-to-end features.

The Software Engineer (Backend) will design and develop robust server-side technologies and APIs, focusing on quality, scalability, and data integrity for the hospitality industry.

As a Backend Software Engineer, you'll design scalable features, contribute to architecture, work closely with customers, and ensure quality code.

The Senior Backend Engineer at Veryable will develop services and APIs, mentor junior engineers, and drive system innovation within the product engineering team.

The Senior Backend Engineer will build and operate impactful production systems, design relational data models, and work with cloud platforms, focusing on enhancing care delivery for older adults.

Seeking two Senior Developers (Backend and UI) with 5+ years of experience in Java Application Development, SQL, and Agile methodologies.

The Senior Backend Software Engineer will design and scale backend systems using Python and FastAPI, collaborate with researchers, optimize infrastructure, and implement testing and monitoring systems.

As a Founding Engineer, you will design and build AI backend features, APIs, and services for an autonomous research platform targeting market due diligence.

Design, build, and scale high-performance distributed backend systems. Diagnose and debug microservices, design secure APIs and efficient database schemas, collaborate cross-functionally, and work with end users to meet operational needs.

The Senior Backend Engineer develops core product features in ETL and GraphQL, designs APIs, builds ETL pipelines, and collaborates with frontend teams.