Top Backend Developer Jobs

Leads architecture, development, deployment, and operations for Python backend services supporting internal penetration testing. Designs scalable ETL pipelines, distributed workflows, relational data models, SQL queries, GraphQL APIs, and graph-based attack-path data systems. Owns reliability, observability, performance, and production operations while coordinating cross-team initiatives. Provides technical direction, writes architecture documentation, mentors engineers, and partners with frontend, product, data, and attack teams to deliver customer-facing security results.

Build and operate infrastructure for Databricks AI products, including MLflow, AI Gateway, agent frameworks, model serving, and foundation model APIs. Improve the reliability, latency, and efficiency of distributed AI workloads while collaborating with platform, infrastructure, and machine learning teams. The role also involves shaping developer and data scientist experiences and requires strong backend engineering, scalable systems, cloud infrastructure, and ownership skills.

Lead high-impact AI solutions, overseeing architecture and deployment. Partner with stakeholders, coach engineers, and drive project success from inception to launch.

Backend Engineer Interns will help expand Tinder’s service platform by developing and operating scalable distributed services on AWS. Responsibilities include building systems handling billions of daily data events, collaborating with engineering teams, and writing unit and integration tests. Candidates should know at least one programming language, understand data structures and algorithms, be pursuing a relevant degree, and show interest in generative AI. The hybrid internship runs June 1 through August 31, 2027, in Los Angeles or Palo Alto.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Lead the design, development, deployment, and support of scalable .NET backend applications on Azure. Build microservices, REST APIs, and event-driven systems using Azure services, Docker, and AKS. Implement CI/CD pipelines and Infrastructure as Code, while improving reliability, security, observability, and performance. Troubleshoot complex production issues and collaborate with engineering, architecture, platform, and business teams.

Develop and maintain low-latency backend services for cryptocurrency trading, including market data, order routing, trade execution, APIs, and post-trade workflows. Responsibilities include designing, testing, deploying, troubleshooting, and optimizing production systems using Python, Rust, and/or C++. The role involves distributed systems, databases, event-driven architecture, code reviews, on-call support, cross-functional collaboration, and potential work with AI-powered features.

Develop and improve core software services supporting customer intake, application screening, and information dissemination. Design distributed, microservice-based systems; identify bottlenecks; improve reliability, scalability, and business logic; and contribute to modernization and architectural decisions. Work independently across the stack, communicate technical trade-offs, mentor junior developers, and use AI and automation tools to improve engineering outcomes.

Build and lead the identity graph platform powering real-time fraud prevention. Responsibilities include defining graph schemas and ontologies, developing entity-resolution systems, designing batch and streaming pipelines, building low-latency APIs and serving systems, supporting ML and graph analytics, improving performance and reliability, leading architecture, mentoring engineers, and embedding privacy and security into production systems.

Develop and maintain Python backend services, REST APIs, PostgreSQL databases, Docker containers, and OpenShift deployments. Design schemas, queries, indexes, migrations, authentication integrations, and automated tests. Investigate production issues, participate in technical design and code reviews, document systems, clarify customer requirements, and collaborate with product, operations, and security teams. Mentor developers and support reliable application delivery for mission-driven applications.

Lead development of IonQ’s cloud platform, building scalable and fault-tolerant backend services for asynchronous quantum job processing. Define APIs, implement features, improve testing, observability, security, stability, and continuous delivery, and participate in on-call rotations. Integrate AI capabilities, troubleshoot production issues, mentor engineers, and drive technical alignment across cross-functional teams.

Design, build, and operate scalable backend services and APIs powering Robinhood Gold and growth experiences. Lead projects from technical design through launch and iteration, improve reliability, performance, observability, and developer velocity, and shape architecture for subscription and engagement systems. Partner cross-functionally to solve ambiguous problems, use metrics to guide tradeoffs, mentor engineers, and drive high standards in system design and operational excellence.

Build and operate Base’s identity and authorization platform, including Okta workforce SSO, cloud federation, entitlements-as-code, workload identity, PKI, authentication policies, and least-privilege authorization primitives. The role partners with IT, security, and application teams to provide secure identity, groups, and tokens across internal systems, cloud infrastructure, services, and field devices.

Leads backend software engineering for secure, scalable, high-throughput systems. Develops and reviews production code, guides engineers and technical partners, influences architecture and technical operations, and promotes software development standards. Builds microservices, streaming and data-processing solutions using AWS, containers, orchestration, caching, and workflow tools. Drives responsible AI-assisted development practices, including validation for security, correctness, testing, resiliency, and delivery efficiency.

Design and scale asynchronous Python backend systems, including REST/WebSocket APIs, multi-agent LLM workflows, provider-agnostic integrations, and RAG pipelines. Own relational data models, observability, performance, CI/CD, and production deployment. Establish AI governance covering code review, provenance, licensing, security, compliance, and customer data handling. Drive ideas from concept through production while owning architecture and outcomes.

Lead the architecture, development, deployment, monitoring, and improvement of scalable serverless backend systems. Build Python services, APIs, healthcare data pipelines, event-driven workflows, and durable processing engines using AWS technologies. Ensure reliability, security, observability, and HIPAA-aligned data practices while collaborating with product, analytics, operations, and engineering teams. Mentor engineers and drive technical standards and architectural decisions.

Leads architecture, development, and operation of Python-based AWS backend and IoT cloud services. Designs Lambda microservices, REST APIs, event-driven workflows, telemetry pipelines, data models, and AWS IoT Core integrations. Provides hands-on technical leadership through coding, design and code reviews, mentoring, planning, and standards development. Ensures security, scalability, observability, CI/CD, production readiness, incident response, and cross-functional alignment across firmware, mobile, QA, DevOps, Product, and Security teams.

Build and scale Triumph Arcade’s backend for skill-based gaming, including tournaments, matchmaking, real-time multiplayer, rewards, payments, fraud prevention, and game integrity. Develop consumer-facing features, solve data-driven problems, improve scalability, and enhance engineering processes such as experimentation and CI/CD. Collaborate across teams while owning projects and supporting rapid company growth.

Develop scalable full-stack components for AI systems, design APIs, manage cloud infrastructure, and evaluate AI agent performance.

Design, build, operate, and support backend services powering an enterprise AI platform. Responsibilities include developing APIs, gateways, orchestration, tenancy, entitlements, metering, integrations, governed data access, and distributed platform capabilities. The engineer owns services across design, implementation, testing, deployment, monitoring, reliability, and support while addressing failure modes, consistency, idempotency, and scalability.

Design, develop, and maintain scalable backend services and APIs powering AI-driven customer engagement. Integrate AI models and LLM technologies, optimize systems for real-time performance and reliability, and collaborate with marketing, sales, and product teams. The role also involves evaluating emerging backend and AI technologies and delivering innovative solutions in a fast-paced startup environment.

Build and operate backend services for Slack’s enterprise productivity integrations with Google Workspace and Microsoft 365. Responsibilities include authentication and authorization flows, admin tooling, connector frameworks, analytics, experimentation, secure architecture, production support, code review, mentoring, and cross-functional collaboration.

Own backend engineering from problem definition through production for a platform handling sensitive financial data. Design backend architecture, build transaction, billing, and reimbursement automation, collaborate with product and operations teams, and improve engineering tooling and processes. The role requires shipping scalable, privacy-critical server-side systems with minimal oversight in a small, fast-moving team.

Build and maintain backend services, third-party integrations, streaming data pipelines, and shared multi-tenant data layers. Manage cloud infrastructure, deployment pipelines, monitoring, and observability while shipping weekly features and resolving production issues. Develop data capabilities including scoring, outlier detection, and time-series rollups. The role requires strong Go experience, endpoint software expertise, systems internals knowledge, and ownership of production-scale backend systems.

Design and operate reliable backend systems for transaction processing, financial record-keeping, checkout, access control, risk detection, fraud prevention, reconciliation, and ledger accuracy. The role owns services from architecture through production support, including handling incidents, timeouts, retries, idempotency, and backpressure. Candidates must have built payment processors, operated large-scale backend systems, and be proficient in TypeScript and Node.js.