Top Backend Developer Jobs

Design, build, and scale backend systems for a social AI platform. Collaborate with product, design, and data teams to deliver performant microservices, optimize user acquisition and retention, and improve platform scalability and reliability.

As a Senior Back-end Engineer, you will design and develop scalable backend applications for quantum technology, ensuring efficient service communication and quality practices. You'll collaborate with researchers to deliver production-ready solutions and solve complex system challenges.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

As a Senior Backend Engineer, you'll develop and maintain the Dynamic Copay Engine's services, design pricing logic, and manage data integrations, focusing on backend systems for health insurance functionality.

Design and implement high-performance backend services using Scala, Play, and Akka. Build reactive, distributed microservices, design RESTful APIs, optimize MySQL/Oracle databases, write tests, perform code reviews, and collaborate with product and development teams to troubleshoot and ensure scalability.

Design, build, and operate scalable backend microservices on Kubernetes. Own production services, Elasticsearch indexing and tuning, CI/CD and GitOps pipelines, observability, and reliability. Drive distributed-systems architecture, troubleshoot clusters and services, mentor engineers, and collaborate with platform teams to improve developer experience.

Lead design and implementation of production integrations (CRMs, CDPs, measurement vendors), own projects end-to-end, drive public API and developer platform architecture, improve pipeline reliability and scale, mentor engineers, set engineering quality standards, and collaborate with external partners. Use TypeScript/Python and cloud infrastructure to build scalable, production-grade systems.

Own and evolve core backend platform primitives: external APIs, retrieval/search (RAG) infrastructure, unified health data models including time-series, and enterprise integrations to support AI-driven clinical workflows and multi-tenant reliability.

Lead design and implementation of backend services and APIs for payments, billing, settlements, ledgers, and reconciliation. Drive architecture for highly available, auditable financial platforms, integrate with payment processors and banking partners, ensure transactional integrity, observability, and compliance. Deliver end-to-end initiatives, mentor engineers, and operate mission-critical systems with strong emphasis on reliability, security, and scalability.

Develop frontend features for mobile/web: quest storefront, user and creator dashboards, admin tools, marketing/sales features, and third-party integrations. Work in one-week Scrum sprints, contribute to architecture, use git/GitLab and AI-assisted coding tools, and collaborate on product development.

Lead architecture and development of backend features for reporting and measurement. Mentor engineers, design relational and non-relational data models, build and scale distributed systems, collaborate with Data Science and Product, and drive technical architecture and code quality.

Lead backend development for the Reporting & Measurement platform: architect and ship features, design relational and non-relational data models, scale distributed systems, collaborate with Data Science and Product, drive technical architecture decisions, mentor junior engineers, and conduct peer reviews.

Lead backend development for Reporting & Measurement: architect and ship features, design relational and non-relational data models, scale distributed systems, mentor junior engineers, drive architecture discussions, and collaborate with Data Science and Product to deliver high-impact initiatives.

Design, develop, and maintain backend services and APIs for device management. Troubleshoot software and network issues with telecom customers, optimize MongoDB/MySQL databases, implement caching with Redis, and deploy apps using Docker and Kubernetes while working in Agile/Scrum with distributed teams.

Build and operate high-throughput, reliable backend services for an AI-driven healthcare agent platform. Own services end-to-end, ensure availability and graceful degradation, handle sensitive patient data, improve performance and observability, and shape platform architecture.

Lead architecture and implementation of scalable backend systems, distributed infrastructure, and APIs. Own large-scale projects from design to launch, enable low-latency real-time collaboration, integrate generative AI features, drive backend best practices, mentor engineers, and ensure reliability, performance, and security across products.

Design, build, and operate production backend systems powering financial products. Own services end-to-end, implement event-driven distributed systems (Pub/Sub), instrument services with metrics, use SQL and analytics to evaluate performance, and ship improvements via CI/CD on GCP.

As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.

Lead the design, development, and deployment of software solutions to combat identity fraud, mentor junior engineers, and ensure high-quality products.

As a Senior Software Engineer (Backend), you will design and implement scalable applications, collaborate with agile teams, and mentor junior members while ensuring high code quality and performance.

As a Senior Product Engineer, you will develop reliable backend systems, manage complex databases, and contribute to building revenue-critical infrastructure. You'll work closely with a lean team, guiding projects from ideation to implementation.

The Senior Software Engineer will design and build scalable backend systems and REST APIs, manage database design, and collaborate on cloud infrastructure deployment, ensuring reliability, security, and performance of the application.

The Sr Software Engineer, Backend will develop and optimize backend services, mentor engineers, and lead technical discussions in building scalable systems for Mercari's marketplace platform.

The Lead Back-End Engineer will design, write, and review production code, establish engineering standards, and collaborate with cross-functional teams to enhance backend practices and code quality.

As a Staff Software Engineer, you will lead projects, mentor junior engineers, and enhance backend systems using Python, focusing on code quality and collaboration with product managers.