Top Backend Developer Jobs

Design and implement backend APIs (GraphQL) and ETL pipelines for data processing and retrieval; build cloud-native services on AWS/Azure/GCP using Docker and Kubernetes; collaborate with frontend, product, and design teams to present data; ensure federal compliance (FedRAMP, IL4/5/6) and support classified workloads; mentor engineers and maintain production infrastructure.

Design and build scalable backend services and data schemas, architect high-volume workflow automation and ML-enabled pipelines, optimize performance, integrate third-party systems, and collaborate with cross-functional teams to deliver production-ready features end-to-end.

Lead development of DataHub's metadata platform, building scalable systems, APIs, and architectures for metadata collection and processing.

Build, test, and integrate secure backend services and APIs for DoD mission-planning. Work on REST and gRPC services, asynchronous workflows, geospatial databases, containerized deployments, CI/CD, automated tests, and vulnerability remediation while collaborating with AI/ML, frontend, and cybersecurity teams.

The Senior Software Development Engineer will develop applications using modern programming languages, provide leadership and mentoring, ensure software quality, and lead software improvement initiatives.

In this role, you will develop customer-facing products, collaborate with teams, and improve banking experiences through scalable solutions.

Develop, test, verify, and deploy safety-critical ground mission software for lunar operations. Work with cross-disciplinary teams on telemetry processing, health monitoring, fault detection, mission planning, and operator training. Integrate software components, run SIL/HIL validation, support system verification and qualification, and maintain CI/CD, configuration management, and release processes to ensure reliable flight operations.

Develop, test, and deploy ground mission-operations software for lunar lander systems. Design safety-critical, scalable architectures, integrate with vehicle and ground subsystems, run SIL/HIL validation, support CI/CD and release, produce documentation, and assist operator training and mission operations.

Build and ship end-to-end AI-native product features, prototype with modern AI models/APIs, collaborate with product/design, maintain fast reliable systems, and improve dev workflows and deployments.

Build and own the backend modeling engine for transfer tax, waterfall/distribution, and consolidation. Model complex trust and estate domains, make computations deterministic and checkable, validate logic with JDs and CPAs, and expose modeling for agent-driven workflows. Ship small changes frequently and support production monitoring and agent workflows.

Build and operate Coupang's security infrastructure and IAM platforms. Design and implement backend APIs and scalable distributed systems, collaborate cross-team for platform adoption, ensure reliability and operational excellence, and mentor other engineers.

Develop, maintain, and optimize backend services and APIs for a scalable healthcare platform using Node.js, Java, or .NET. Integrate third-party services, ensure performance, reliability, and security, collaborate with cross-functional teams, participate in code reviews, and work in an Agile environment to deliver high-quality server-side applications.

Lead the evolution of Coupang's Kubernetes platform: design and implement scalable backend services and tooling, drive container orchestration roadmap, optimize multi-cluster Kubernetes for reliability and efficiency, collaborate with cross-functional teams, and mentor engineers to promote best practices.

Design, build, and maintain scalable, secure backend services in Python. Implement SQL and NoSQL data models, CI/CD pipelines, and containerized deployments. Collaborate with product, front-end, and design teams, perform code reviews, optimize performance, troubleshoot production issues, mentor junior engineers, and improve development processes and infrastructure.

Build scalable backend services and data pipelines to process large healthcare datasets, integrate and optimize LLM-driven features, implement observability and best practices, collaborate across frontend, data, and AI teams, and own end-to-end feature delivery for production systems.

Design, develop, and maintain highly scalable microservices and backends (Java/Spring) for millions of users. Collaborate with product owners, perform code reviews, respond to production incidents, mentor junior engineers, participate in team ceremonies, and potentially share on-call duties.

Lead technical strategy and hands-on engineering for Airbnb's AI-powered ads growth engine. Architect scalable systems for creative generation, bidding, budget optimization, and audience management across paid channels. Write and review code, set standards for availability and quality, collaborate with Marketing/Product/ML teams, roll out staged automation, and mentor engineers to advance platform autonomy while ensuring brand safety and human-in-the-loop controls.

Provide back-end development and KM/web development support to automate collection, organization, dissemination, visualization, and archival of USSTRATCOM J2 intelligence products. Improve digital production, business processes, dashboards, integrations, security on DoD classified networks, and train stakeholders while communicating with senior government and military officials.

Develop end-to-end product features across frontend and backend, integrate AI coding tools into daily workflow, mentor peers, improve cross-team efficiency, and contribute across the full product lifecycle from design to deployment.

Architect, build, and scale middleware, APIs, and integrations connecting marketing web platforms to enterprise systems (Salesforce, BigQuery, Fuse). Lead back-end engineering, database migrations, cloud architecture modernization, SQL database management (MS SQL, Cloud SQL), security (OWASP), CI/CD, and mentor engineering teams while collaborating with product, UX, and cross-functional partners in Agile/Scrum.

Design, build, and maintain scalable, fault-tolerant backend services for a core banking system using Go and asynchronous, event-driven architectures. Implement and optimize transaction workflows, collaborate with cross-functional teams, deploy and monitor cloud services (AWS), and leverage AI-assisted development while ensuring testing, profiling, and documentation.

Lead .NET Core microservices architecture and backend quality, direct an offshore backend pod, design Azure SQL cache and REST APIs, implement Service Bus integrations, own CI/CD security gating, run demos, triage defects, and conduct client handoffs.

Design and deliver scalable backend services and high-performance APIs for a SaaS platform. Collaborate cross-functionally to scope and ship features, maintain clean architecture and tests, optimize application and database performance, evaluate backend technologies, and troubleshoot live systems to maximize uptime.

Design, implement, and enhance cloud backend services for Netskope Client; build high-throughput, scalable APIs; deploy and manage containerized workloads on Kubernetes; collaborate with product, QA, and stakeholders; write tests, debug distributed systems, and ensure reliability, scalability, and observability for cloud security solutions.

Build and operate backend and full-stack features for an early-stage product: sandboxed agent runtimes, real-time streaming, task queues, model routing, deployments (Cloudflare Workers + Fly.io), and production observability. Work closely with the CTO, be on-call, and ship infrastructure and product features that scale to large concurrent usage.