412 back end engineer jobs at 232 companies in Concord, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Pylon: API-first infrastructure for automated mortgage lending and operations.
Back-end engineer with TypeScript, DSLs, AI tooling, and systems for precise, regulated mortgage underwriting; collaborate with mortgage experts; own delivery.
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.
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.
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
5+ YOE5+ years back-end development, production systems at scale, cloud platforms, AI-powered systems, APIs, CI/CD, real-time architectures, independent and collaborative work.
Go, AWS, GCP, Azure, CI/CD, Infrastructure as Code, Real-time systems
Sauron Systems: Autonomous robotic platforms for residential security and threat deterrence.
5+ YOE5+ years building production backend systems; proficiency in Go, Python, Rust, Java, or C++; experience with distributed systems, REST/gRPC, PostgreSQL/MySQL/Redis/DynamoDB, AWS, Docker, Kubernetes, and observability; strong system design and debugging skills.
LeapXpert: Compliant enterprise communication platform for secure consumer messaging.
6+ YOE6+ years building backend/distributed systems, experience designing agentic runtimes and SDKs, multi-tenant isolation, async/concurrent patterns, secure API design, observability, and production-grade platform development.
Temporal, Claude Code, Codex, Gemini CLI, Go, Python, TypeScript/Node.js, Rust, Kubernetes, CI/CD, OpenTelemetry, Prometheus, Grafana, SQL, gRPC, Claude Managed Agents, Bedrock Agents, Google Agent Builder, Azure AI Services, Google ADK, Claude Agent SDK, OpenAI SDK, LangChain, CrewAI, AutoGen, MCP, Kafka, Neo4j
Verkada: Sells integrated AI-powered cloud physical security hardware and software.
4+ YOEBachelor's degree in CS/CE/SE, 4+ years industry experience, mastery of Python or Go, experience with Postgres/MySQL, Redis/Memcached, Kafka, cloud providers (AWS/GCP/Azure), gRPC, React, strong communication skills, onsite 5 days/week.
Sandberg Goldberg Bernthal Family Foundation: Operates programs for women's empowerment and community resilience.
3+ YOE3+ years backend or full-stack engineering experience with data/analytics; strong Python (preferred) or Node.js/Ruby/Java, SQL and NoSQL skills; experience building data pipelines, defining metrics, A/B testing, and data visualization; bachelor's in CS/data field or equivalent.
Firecrawl: Converts websites into clean structured data for AI.
3+ YOE3+ years in backend, networking, or infrastructure engineering; production ownership and on-call responsibility; authorized to work in the US or eligible remote regions.
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.
Vinci: AI software for rapid hardware design and physics simulation.
8+ YOE8+ years software engineering experience focused on backend and infrastructure. Hands-on Terraform and major cloud experience, CI/CD (Jenkins), build systems (CMake,pip/uv), Python and C++ proficiency, production platform experience.
LiveRampNew York Stock Exchange: RAMP: Provides a platform for secure data collaboration and identity.
5+ YOE5+ years experience building high-performance production systems; strong Go plus Java/Python; distributed systems and APIs; cloud exposure (GCP preferred).
Casablanca or Palma de Mallorca or Europe or London or New York City or San Francisco or Africa
HybridFull Time
Nuitée: Provides API infrastructure for the global travel industry.
Strong hands-on Go experience, history integrating third-party APIs, ownership of end-to-end integrations, and ability to work at high scale and low process.
Clera: AI talent agent matching professionals with high-growth startup roles
3+ YOE3+ years building production backend systems (Python or TypeScript/Node), experience with distributed systems, queues, cloud infrastructure (AWS or GCP), relational databases, observability, and strong product ownership.
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.