1,064 backend engineer sr jobs at 469 companies in San Jose, CA
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Sr Backend Engineer
San Francisco or New York
$167k-$219k/yrHybridFull Time
Quizlet: Digital learning platform providing study tools and flashcards.
4+ YOE4+ years backend or data engineering experience; strong SQL and data warehouse experience; proficiency in Python/Java/Scala; Elasticsearch/OpenSearch experience; experience building production data pipelines and backend services.
New York or Sunnyvale or Berkeley Heights or Alpharetta
$128k-$216k/yrOnsiteFull Time
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
10+ YOEBachelor's or equivalent,10+ years software engineering,Java/JVM and Spring Boot expertise,cloud-native/Kubernetes and Terraform experience,SQL/NoSQL schema design,REST API architecture,mentorship and on-call experience.
Java, Spring Boot, Kubernetes, Terraform, PostgreSQL, MySQL, Google Cloud Platform (GCP), GitHub Copilot, Cursor, Claude, ChatGPT
Collective Health: Cloud platform for managing employer-sponsored health benefits.
10+ YOE10+ years backend engineering experience with Java and Spring Cloud, microservices and integration platform experience (Mulesoft), AI tooling familiarity, cloud (AWS/GCP), SQL/PostgreSQL, system development, and strong communication and leadership skills.
AtlassianNASDAQ: TEAM: Develops software for team collaboration and project management.
Expert backend engineering to design and lead an AI proxy platform, ensure high availability, cost-efficiency, security integration, and mentor engineering teams.
Amari: AI agents automating document-heavy workflows for the logistics industry.
4+ YOE4–6 years backend software engineering in a high-growth startup; ownership of backend systems; strong architectural judgment; in-person SF collaboration.
Slope: Provides an AI-powered B2B payments and credit platform.
5+ YOE5+ years backend experience; strong Node.js/TypeScript and Python skills; strong SQL and relational/database/ETL experience; API and service design; experience productionizing models and working with data science and risk teams.
Luminary Cloud: Cloud-native physics simulation platform for accelerated product engineering.
10+ YOE10+ years building high-performance backend systems; Kubernetes expertise; SaaS focus; cloud infrastructure and security; leadership and mentoring; strong communication.
Town: AI-powered productivity assistant that automates workplace workflows.
Experienced backend engineer with production experience scaling distributed systems, LLM/agent infrastructure, workflow orchestration, and defining technical direction in fast-moving startups.
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5+ years backend engineering experience, strong distributed systems and data modeling skills, experience owning infrastructure (Kubernetes, Terraform, AWS), proficiency with TypeScript/Node.js, excellent communication.
TypeScript, Node.js, Express, PostgreSQL, Redis, Kubernetes, Terraform, AWS, Codex 5.3, Claude Opus 4.6
Verkada: Sells integrated AI-powered cloud physical security hardware and software.
8+ YOEBS/MS in CS/Engineering; 8+ years building Go/Python microservices on AWS with on-call experience; strong backend systems and architecture knowledge; familiarity with temporal, k8s, Docker, Redis, DynamoDB, Postgres, IAM, S3; IoT and security experience preferred.
Orion Sleep: Manufacturer of AI-powered smart mattress covers for sleep optimization.
Experience designing APIs, scaling backend systems from 0-1, and building infrastructure to support product features; strong backend engineering and system-architecture skills.
Attain: Provides real-time purchase data and measurement solutions for marketers.
6+ YOEStrong backend engineering experience designing APIs, microservices, and data models; experience with cloud (AWS/GCP/Azure), gRPC/protobuf/GraphQL, relational databases, Rust-based services; 6+ years preferred; strong communication and leadership potential.
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
5+ YOE5+ years backend development in Python; async programming; deep PostgreSQL; multi-tenant data isolation; Redis; OpenTelemetry; AWS; strong system design and collaboration.
Slickdeals: Platform for crowdsourcing and ranking consumer shopping deals.
Extensive backend development experience with PHP, RESTful or GraphQL APIs, relational databases, distributed systems, cloud platforms, containers, CI/CD, production monitoring, and cross-team technical leadership.
Commure: AI-powered software platform for healthcare workflow and administrative automation.
Professional software development experience; strong backend skills with Python and web frameworks; experience with containers and cloud (Docker, Kubernetes); production systems, alerting, metrics, and SRE practices; leadership and customer-facing experience.
Arxlight: Developing next-generation autonomous drones for security and defense applications.
Requires Linux expertise, backend or systems development in Python, C++, Go, TypeScript, or similar languages, networking, Docker, Systemd, Git, and AI coding tools.
Waystation: AI-native procurement platform for consumer packaged goods.
6+ YOERequires 6+ years of production software experience, 2+ years at a seed-to-Series B startup, backend/data expertise, live schema migrations, queues, APIs, and strong communication.
TypeScript, Node, React, GraphQL, Postgres, Claude Code
Judgment Labs: Infrastructure for monitoring and optimizing autonomous AI agents.
6+ YOE6+ years building high-throughput backend systems; strong API design, data modeling, distributed systems experience; hands-on with ClickHouse/Presto; EM and platform collaboration skills.
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yrOnsiteFull Time
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.