Top Backend Developer Jobs

The Senior/Staff Backend Engineer will build AI-driven products, optimize performance, collaborate with teams, and establish best practices for Applied AI at Fora.

The Senior Backend Engineer will build and manage the backend systems for Fora's products, implementing new functionalities, optimizing architecture, and collaborating with cross-functional teams.

Design, develop, and deliver scalable .NET back-end and front-end solutions within an Agile, DevOps-oriented team. Lead technical design, code reviews, testing-first practices, CI/CD pipelines, containerized deployments, and ensure non-functional requirements (security, performance, scalability, maintainability). Mentor peers and collaborate across product, design, and architecture to produce high-quality software.

Build and launch scalable, customer-facing backend products for Brex’s financial platform. Responsibilities include designing backend systems, collaborating cross-functionally, improving banking experiences, owning solutions from data models through scalability and operations, and measuring ongoing performance. The role requires strong backend development experience, database expertise, technical ownership, communication, and a commitment to engineering quality.

Build and launch customer-facing financial software products, design scalable backend systems, improve banking experiences, and own solutions from user experience and data models through operability, scalability, and metrics. Collaborate cross-functionally with engineering, Sales, and Support teams while maintaining high quality standards and contributing to Brex’s technical direction.

Build and launch customer-facing financial software, collaborating across engineering, Sales, and Support. Design scalable, operable solutions spanning user experience, data models, and metrics; develop new features end-to-end, improve banking experiences, and maintain high engineering standards. The role requires full-stack application development, client-side architecture, testing, deployment, and ownership of products from concept through ongoing optimization.

Build and launch customer-facing financial software features end to end. Collaborate with engineers, Sales, and Support to understand customer needs; design banking solutions; own user experience, data models, scalability, operability, and metrics; and refine features to a high standard. The role requires full-stack application development, client-side architecture, testing, and deployment in a hybrid office environment.

Develop and launch scalable, customer-facing backend products for Brex’s financial platform. Responsibilities include collaborating across engineering and user-facing teams, designing banking solutions, owning user experience and data models, improving scalability and operability, monitoring metrics, and maintaining high-quality standards. The role requires backend development experience, database expertise, strong communication, and end-to-end product ownership.

Lead the technical direction, architecture, governance, and standards for a backend platform serving multiple engineering teams. Develop AI-native workflows, resolve cross-cutting distributed-systems challenges, influence roadmaps, drive platform adoption, mentor senior engineers, lead complex initiatives, and participate in on-call rotations. The role requires broad expertise across cloud infrastructure, Terraform, CI/CD, GraphQL federation, event-driven systems, APIs, developer experience, Node.js, and TypeScript.

Own significant product areas from customer problem discovery through solution definition, prototyping, shipping, measurement, and iteration. Build AI-powered prototypes and production products using tools such as Claude and Cursor, engage directly with customers and commercial stakeholders, lead small squads, influence product direction, and contribute to an AI-native product engineering culture.

Designs, develops, tests, and maintains enterprise application services, APIs, business logic, data-access layers, and integrations. The role includes modernizing legacy systems, building automated tests, participating in CI/CD and code reviews, resolving production issues, and applying secure coding and observability practices. Engineers collaborate with product, cloud, quality, architecture, security, and client teams, with opportunities to lead complex services, establish technical patterns, mentor engineers, and influence modernization decisions.

Build and scale Posh’s backend services and APIs, owning systems from design through deployment and on-call. Responsibilities include improving performance and reliability, creating data models and pipelines, embedding security and instrumentation, contributing to architecture and code reviews, mentoring engineers, and participating in technical interviews.

Lead and deliver quarterly goals for a backend team; guide engineers through ambiguous problems; collaborate with product, design, and analytics; identify and resolve project and technical issues; ensure operational availability and on-call readiness; set code and design quality standards; and mentor and develop team members.

Build and operate scalable cloud backend and datacenter services using SRE practices. Develop observability, telemetry, monitoring, alerting, and infrastructure automation systems. Optimize system performance, reliability, and resource utilization; conduct root cause analyses and postmortems; troubleshoot hardware and software issues; implement security and compliance controls; and collaborate with engineering teams and vendors.

Build and manage scalable, secure, low-latency backend infrastructure for real-time public safety drone operations. Own live telemetry, video distribution, remote-control links, platform infrastructure, APIs, cloud services, and system reliability. Collaborate with hardware and autonomy teams to support streaming and live drone data across formats. Prototype solutions, optimize performance and cost, and maintain cloud architectures, CI/CD pipelines, and DevOps practices.

Own and scale production backend systems using Ruby on Rails, PostgreSQL, Sidekiq, APIs, microservices, queues, and distributed architectures. Diagnose and improve reliability, security, performance, observability, testing, and deployment practices. Integrate third-party services, collaborate with product, data, design, and frontend teams, and modernize inherited systems while maintaining delivery speed. The role requires strong production ownership, pragmatic technical judgment, and comfort working remotely in a fast-moving startup.

Provide technical leadership for backend systems integrating manufacturing equipment with enterprise platforms. Design scalable, secure systems supporting real-time control, data flow, and production insights; mentor engineers; make architectural decisions; optimize performance; champion code quality; and drive initiatives to completion. The role requires extensive Golang expertise, industrial protocol integration, embedded systems experience, API development, message processing, databases, DevOps, and edge computing technologies.

Build and own scalable payments infrastructure for card issuing, transaction processing, and settlement. Design reliable integrations with Stripe, banking partners, and internal platforms using .NET, C#, Azure, DDD, CQRS, and event-driven architectures. Improve system reliability, observability, performance, security, and compliance while mentoring engineers and contributing to technical direction. Apply AI-assisted development across coding, testing, debugging, and engineering workflows.

Design, build, and operate core backend systems powering subscription billing, medication ordering and fulfillment, and partner integrations. Own schema design, business logic, AWS/Kubernetes infrastructure, CI/CD, and production observability. Collaborate with clinical, product, and operations teams to deliver compliant, reliable clinical state machines and AI-assisted workflows that automate operations and improve patient outcomes.

Develop and maintain backend services and APIs in Python for secure, mission-critical national security applications. Collaborate with teammates and stakeholders in an Agile environment, participate in system design and code reviews, and use testing frameworks, CI/CD, cloud services, containers, and DevSecOps practices. Integrate data platforms and event-driven architectures while building scalable, maintainable software in AWS and supporting data discovery and analysis workflows.

Develop and deploy high-performance, highly available Java server-side applications and evolve existing systems into large-scale service architectures. Responsibilities include object-oriented design, distributed computing with Hadoop, Spark, and Akka, unit testing, debugging, integration, networking and security implementation, and participation in agile CI/CD and DevOps practices.

Design, develop, and maintain backend services, APIs, application logic, data pipelines, and integrations for a financial technology platform. Improve scalability, reliability, security, and performance while collaborating with frontend engineers, product managers, and client-facing teams. Write automated tests, troubleshoot production issues, participate in design reviews, and deliver features through deployment and monitoring.

Build and maintain production-grade Golang backend services for an AI-driven investment platform. Design APIs and data pipelines supporting AI and reasoning systems, improve performance, reliability, and observability, review scalable architectures, and debug production issues. The role requires end-to-end system ownership, collaboration with AI and product teams, and mentoring as responsibilities grow.

Develop and integrate backend web applications, connecting front-end components with server-side logic. Build reusable code and libraries, optimize applications for speed and scalability, implement security and data protection, design data storage solutions, and support web server setup and deployment.

Own and improve the company’s backend data and orchestration platform, including external integrations, event-driven pipelines, storage, monitoring, backend services, infrastructure, security, and access management. Build reliable systems with freshness and quality checks, simplify a rapidly grown data environment, document processes, communicate trade-offs, and guide junior engineers. The role requires hands-on production ownership in a remote, fast-paced company.