Top Backend Developer Jobs

As a Software Engineer - Backend, you will develop products and manage engineering infrastructure, focusing on system design, security, and code quality.

As a Senior Software Engineer, you will develop new products and improve engineering infrastructure while taking ownership of product deliverables and enhancing technical architecture.

Develop and maintain high-availability full-stack applications for federal clients. Own application code, diagnose and resolve system issues, coordinate integrations, present technical designs, improve engineering processes, and mentor junior engineers. The role requires expertise in JavaScript frameworks, cloud platforms, CI/CD, databases, APIs, accessibility standards, and software testing, with strong communication and technical leadership skills.

Design, build, and maintain high-performance backend services for dynamic video packaging, DRM-protected manifest generation (HLS/MPEG-DASH), and server-side ad insertion at scale. Troubleshoot production incidents, lead root cause analysis, and expand observability. Integrate DRM (Widevine, FairPlay, PlayReady), optimize monetization workflows, and apply AI-driven tooling to automate testing and predict performance degradation.

Own the architecture and evolution of Osmo’s canonical data platform, including data models, schemas, migrations, replication, APIs, integrations, access control, validation, concurrency, and auditability. Lead consistency across distributed systems under retries and partial failures, establish data modeling standards, partner with scientific and technical experts, and improve team capability through durable engineering practices and mentorship.

Design and build tooling, workflows, and guidance to make GitLab easier to deploy, validate, and operate across cloud-native, self-managed, and ephemeral environments. Shape deployment architecture, topology, scaling principles, and platform contracts while collaborating with application, infrastructure, and delivery teams.

Build and maintain agentic workflow components and the platform requirements knowledge base to ensure features ship across GitLabs deployment targets. Implement integration surfaces (issues, MRs, design docs, CI/CD), collaborate with platform teams to translate expertise into structured requirements, and write tests, documentation, and evaluations for agentic-workflow behavior and assessment accuracy.

Design, build, and operate large-scale distributed backend services. Responsibilities include architecting highly scalable platforms, optimizing reliability and performance, managing consistency and availability trade-offs, operating systems at scale, capacity planning, performance tuning, debugging, and mentoring engineers. The role also involves collaborating across teams and may include leading technical initiatives, Kubernetes operations, service-mesh technologies, chaos engineering, and open-source contributions.

Build and operate high-throughput backend platforms and shared services, including request routing, traffic management, caching, asynchronous jobs, and event processing. Design distributed systems for consistency, availability, latency, and resilience. Lead multi-quarter platform initiatives, make technical decisions, manage stakeholders, mentor engineers, and improve developer experience. Preferred experience includes Kubernetes platforms, service meshes, workflow orchestration, platform APIs, open-source infrastructure, and technical community contributions.

Design, build, and operate large-scale distributed backend services. The role focuses on platform architecture, scalability, reliability, performance tuning, capacity planning, and clean engineering practices. Responsibilities include working with high-throughput messaging systems, relational and NoSQL databases, cloud platforms, and distributed systems concepts. The engineer will debug complex issues, lead technical initiatives, document solutions, communicate effectively, and mentor other engineers.

Build and manage backend applications powering Chariot’s identity and payments platform. Design APIs and scalable backend systems, establish engineering standards, improve monitoring and alerting, generate product and technology initiatives, and collaborate directly with founders, product managers, and engineers. Own projects end to end, including planning and delivery within an Agile/Scrum environment.

Build and maintain backend applications and platform components for Chariot’s identity and payment network. Design scalable APIs and backend systems, establish engineering standards, improve monitoring and alerting, generate product and technology initiatives, and deliver projects in an Agile/Scrum environment. The role involves high ownership and direct collaboration with founders, product managers, and engineers.

Develop scalable back-end systems, APIs, custom tools, and software applications using modern architectural approaches and open-source frameworks. Collaborate cross-functionally to identify risks, solve complex problems, and deliver efficient client solutions. Apply Agile development practices, AWS services including Lambda, object-oriented programming, RESTful APIs, microservices, and SQL/NoSQL technologies. This role requires a TS/SCI clearance with polygraph.

Develops backend customizations for the PTC Windchill platform using Java, PTC APIs, services, listeners, and processors. Responsibilities include extending platform behavior, working with Windchill data models, lifecycles, workflows, TAM, JSP, HTML, SQL, and client-side customization. The role also involves performance engineering, troubleshooting, documentation, upgrade support, code and design reviews, cross-functional collaboration, and mentoring junior engineers.

Design, build, and operate large-scale distributed backend systems and high-throughput services. Responsibilities include architecting data and consistency strategies, developing resilient APIs and event-driven services, optimizing performance, operating databases and cloud systems, implementing observability and failure handling, leading architecture reviews, driving incident response, mentoring engineers, partnering with SRE teams, and maintaining technical documentation.

Build and operate high-throughput backend platforms and shared services, including request routing, traffic management, caching, asynchronous execution, and event processing. Design distributed systems for reliability, availability, latency, and failure recovery. Lead multi-quarter platform initiatives, make technical decisions, collaborate with stakeholders, mentor engineers, and improve developer experience through scalable platform APIs and infrastructure.

Designs, builds, and operates API gateways and integration layers connecting internal services and external systems. Owns authentication, authorization, service delegation, caching, webhooks, notification delivery, testing, observability, and production reliability. Establishes technical direction through architecture, documentation, code reviews, incident follow-up, and mentoring. Resolves complex integration problems and develops reusable engineering patterns for secure, scalable platform operations.

Design, build, and own backend services, APIs, data pipelines, infrastructure, and platform systems. Solve distributed systems, scaling, concurrency, and performance challenges. Deploy and operate generative AI models and ML pipelines in production, integrate third-party providers, and improve system quality through instrumentation and experimentation. Partner with product, design, client, and AI teams to deliver reliable, scalable systems end-to-end.

Build and own Java backend integrations connecting workflow applications with enterprise systems. Develop REST and SOAP services, data mappings, transformations, validations, SQL queries, and stored procedures. Lead testing, deployments, troubleshooting, and production support across application and infrastructure layers. Mentor developers, conduct code and design reviews, establish technical standards, and provide workstream direction. Collaborate with front-end developers, analysts, project leaders, and customer stakeholders on technical designs, dependencies, and issue resolution.

Build and operate scalable backend services and data platforms for interactive performance analysis and collaborative profiling workflows. Improve ingestion, storage, query responsiveness, and resilience for large performance datasets. Design durable service interfaces and data models, handle concurrency and partial failures, and establish testing, observability, and operational practices while partnering with frontend, security, product, and source-system teams.

Design, implement, and maintain scalable, high-performance backend services for Home Assistant Cloud. Work on authentication, subscriptions, and payment services, participate in code reviews, collaborate cross-functionally, apply security and data-protection best practices, and operate production systems including troubleshooting and improving reliability and performance.

Build, ship, and operate backend services that deliver agentic and LLM-powered features in a multi-tenant platform. Implement agentic workflows, retrieval/RAG patterns, prompt management, and streaming responses. Own design, testing, CI/CD, deployment, observability, and production support while ensuring security, Responsible AI, and performance in a regulated environment.

You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.

Lead a team in developing cloud-based solutions, manage a portfolio of projects, mentor engineers, and drive technology innovations in a collaborative environment.

As a Backend Engineer, you will develop scalable systems, optimize performance, mentor junior engineers, and lead critical projects at Hebbia's Agent Collaboration platform.