Top Backend Developer Jobs

Develop and launch backend software supporting Lyft’s airport operations and real-time communications. Responsibilities include designing and maintaining tested code, leading features from concept through deployment, participating in code reviews and on-call rotations, troubleshooting production issues, explaining technical tradeoffs, and managing project priorities and deliverables in a collaborative cross-functional environment.

Build and operate backend services, APIs, shared platform capabilities, and developer tooling for Handshake AI and internal AI initiatives. Responsibilities include service architecture, database design, performance, scalability, reliability, observability, and developer experience. The role contributes to LLM and agentic systems, including orchestration, evaluation, integrations, and failure handling. It also involves architectural decisions, incident response, cross-team collaboration, technical planning, code reviews, and mentoring engineers.

Designs and supports DevOps and backend solutions for complex enterprise and mission-critical environments. Builds cloud-native architectures, backend applications, APIs, microservices, automation services, and CI/CD pipelines. Automates infrastructure and deployments using Terraform and scripting languages, supports Kubernetes and containerized workloads, and troubleshoots production issues across cloud platforms. The role requires a bachelor's degree, Secret clearance eligibility, and substantial DevOps and backend development experience.

Design, build, and operate high-throughput, low-latency distributed systems and microservices. Own platform features that improve scalability, reliability, availability, extensibility, and performance. Establish architecture paradigms, API standards, and technical strategy across engineering teams. Lead technical modernization, migrations, observability, reliability initiatives, and infrastructure optimization while mentoring senior engineers into lead and staff roles.

Design, build, and operate payment services for card processing, refunds, reconciliation, and processor integrations. Develop scalable Kotlin and Java Spring Boot APIs, optimize PostgreSQL schemas and SQL, and implement idempotency, retries, webhooks, audit trails, and reconciliation. Respond to payment incidents, conduct root cause analysis, collaborate cross-functionally, review architecture and code, and mentor engineers. The role requires strong distributed-systems, payments, PCI DSS, debugging, and production operations experience.

Build and operate scalable backend services for connected devices, including device connectivity, telemetry ingestion, health monitoring, command and control, and data pipelines. Collaborate with firmware, mobile, and product teams on APIs and workflows. Use AWS, microservices, streaming systems, observability tools, and AI coding agents to deliver reliable features, participate in incident response, and improve automation and engineering practices.

Build and operate reliable backend services for a developer-focused email platform. Responsibilities include owning features end-to-end, designing APIs and relational data models, scaling databases, building distributed systems with queues and background workers, managing AWS infrastructure, improving observability and deployments, participating in on-call, and partnering with customers and support to improve the product.

The Backend Engineer will build and maintain Resend's email transport infrastructure, focusing on SMTP delivery, routing, and system design for high-volume email sending. They will ensure the reliability and observability of the systems while participating in incident response.

Develop and support secure, scalable backend applications using C# and .NET. Lead feature development and medium-to-large initiatives, troubleshoot complex technical issues, contribute to architecture, maintain technical documentation, and improve system performance and reliability. Collaborate with QA, Product, and DevOps teams, conduct code reviews, and mentor junior and mid-level engineers while supporting existing applications and evaluating new technologies.

Build and operate backend services, control planes, and automation for Lightning AI’s managed Kubernetes and Slurm infrastructure. Develop distributed systems for cluster provisioning, lifecycle management, scheduling, observability, reliability, and scalability across large-scale GPU environments. Diagnose complex production issues and collaborate with infrastructure, AI, and platform engineering teams. Contribute to architecture, technical design, mentoring, engineering practices, and on-call operations.

Develop and scale Lightning AI’s backend platform using Go, spanning APIs, infrastructure, billing, security, and integrations. Own features end to end, design reliable and scalable systems, improve architecture and performance, maintain software quality and continuous delivery, reduce technical debt, and mentor engineers. Collaborate with engineering, product, and design teams in a fast-changing SaaS environment.

Develop backend blockchain functionality for Cardax DEX on the Cardano blockchain. Write and maintain smart contracts in Plutarch and Haskell that define the constraints and conditions for decentralized token exchange without a central entity.

Architect and scale high-concurrency backend systems for Uber’s financial products. Lead technical direction, system architecture, code reviews, reliability, testing, and maintainability while partnering with product, design, and business leaders. Build globally scalable, secure financial transaction frameworks and mentor senior engineering teams. The role requires 10+ years of software engineering experience and expertise in Go, Java, or C++.

Architect and scale high-concurrency backend systems for Uber’s financial products. Provide technical leadership, guide architecture and code reviews, ensure reliability, champion testing and maintainability, and build resilient frameworks supporting global-scale financial transactions. Collaborate with Product, Design, and Business leadership while mentoring senior engineers and delivering mission-critical financial services capabilities.

Design and operate highly available, high-throughput backend services and distributed systems for Uber’s shared Core Services platform. Shape multi-year technical roadmaps, architectural standards, and foundational infrastructure. Lead development of concurrent microservices, observability, load testing, zero-downtime deployments, and resilient multi-region systems. Collaborate across product and engineering teams while mentoring engineers and driving organization-wide engineering excellence.

Design, implement, document, and optimize scalable back-end services for Bilt’s mobile app and website. Build Java microservices with Quarkus, use cloud platforms, improve infrastructure automation, CI/CD, monitoring, and reliability, and contribute across the development lifecycle. The role involves technical ownership, integration feasibility, collaboration with engineering and product leaders, and mentoring junior engineers.

Build reliable, secure, and scalable backend software, including automated ETL pipelines across multiple data sources. Design distributed systems, cloud services, data pipelines, and APIs while balancing privacy, security, and reliability. Collaborate with internal users to understand requirements, guide workstreams, mentor junior developers, and support cross-platform, multi-tenant systems on modern cloud-native platforms.

Lead the architecture, design, and development of complex backend software systems for data-intensive applications. Drive technical direction, implement new technologies, improve code quality, reduce technical debt, and promote testing and continuous delivery. Mentor engineers, conduct code reviews, collaborate cross-functionally with product and design teams, engage with customers, and help deliver maintainable, scalable solutions using backend technologies, databases, distributed computing, and cloud platforms.

Design, build, operate, and maintain high-scale distributed telemetry systems for Grafana Mimir. Deliver features from concept through production, improve reliability and performance, review code and designs, manage releases, collaborate across the squad, contribute to open-source projects, and participate in follow-the-sun on-call rotations. The role involves cloud software development, microservices, observability, DevOps practices, and database query optimization.

Design and build production integrations with CRMs, CDPs, measurement vendors, and data partners. Own Vibe’s public API architecture, developer tooling, documentation, monitoring, authentication, and MCP gateway contributions. Lead reliability improvements for distributed backend systems and data pipelines, establish engineering standards, guide technical direction, and partner with external organizations on data contracts. The role requires strong TypeScript, AWS, and Terraform experience plus end-to-end ownership of major projects.

Set technical direction for distributed messaging systems handling billions of messages daily. Make architecture decisions balancing scale, cost, and reliability; solve ambiguous cross-team problems; establish engineering standards; mentor senior engineers; improve processes and tooling; assess candidates; and use AI agents for multi-file software changes.

Architect and build backend systems powering conversational AI experiences. Lead complex projects across the software development lifecycle, define technical direction, design scalable solutions, and ensure system quality. Mentor engineers through code reviews, knowledge sharing, and onboarding while collaborating cross-functionally on product strategy, experiments, and high-value initiatives. Develop LLM-driven infrastructure and maintain operational excellence across production systems.

Lead the architecture and implementation of scalable conversational AI systems and backend services. Own projects from ideation through execution, shape the engineering roadmap, design RESTful APIs and business logic, integrate external partners, evaluate ML-driven results, and optimize platform scalability. The role also includes technical leadership, mentoring, code reviews, cross-functional collaboration, and product-focused decision-making.

Lead backend, infrastructure, and AI infrastructure efforts for an AI-powered revenue workspace. Architect reliable data-processing pipelines, define data ontologies, and create maintainable engineering abstractions. Own deployment, scalability, uptime, observability, monitoring, on-call processes, and incident response. Build AI evaluation, debugging, modularity, and cost-optimization frameworks while contributing to full-stack product development, bug fixes, and customer support.

Build and deploy backend features across the platform, improve legacy code, performance, reliability, and technical debt, and establish backend architecture standards. Diagnose production issues, write automated tests, collaborate with Product, Design, and Engineering, and mentor teammates through code reviews, pairing, and technical guidance.