HiringCafe
Join our community

1,066 senior backend engineer jobs at 486 companies in Fremont, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amari
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.
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Sirius Technology: AI-powered retention platform for subscription-based businesses.
5+ YOE5+ years backend experience; server-side programming; API development; scalable, database-driven applications; production systems.
Backend frameworks, APIs, Databases
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$200k-$230k/yr OnsiteFull Time
Sauron 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.
Go, Python, Rust, Java, C++, REST, gRPC, PostgreSQL, MySQL, Redis, DynamoDB, AWS, Docker, Kubernetes, Kafka, NATS, RabbitMQ
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Engineer, Agentic
Palo Alto, California, United States
$350k-$500k/yr OnsiteFull Time
Inflection AI
Inflection AI: Develops human-centered personal AI and large language models.
10+ YOESenior backend engineer with 10+ years in production cloud systems; strong Python, PostgreSQL, Redis; cloud experience (AWS/GCP/Azure); Kubernetes; LLM patterns; ownership and reliability.
Python, PostgreSQL, Redis, Kubernetes, Docker, Cloud Platform (AWS/GCP/Azure), LangGraph, LlamaIndex, OpenAI
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Engineer (Product)
San Francisco, California, United States
$200k-$300k/yr OnsiteFull Time
Conversion
Conversion: AI-native marketing automation platform for modern B2B companies.
5+ YOE5+ years experience shipping product features; backend services experience; Go; Kafka; Temporal; PostgreSQL; ClickHouse; GCP.
Go, Kafka, Temporal, PostgreSQL, ClickHouse, GCP
Job PostingView all
3mo
Save
Mark Applied
Hide
Backend Engineer
San Francisco, California, United States
$190k-$220k/yr OnsiteFull Time
Wordware
Wordware: Full-stack operating system for building AI applications.
Senior backend-leaning full-stack engineer; onsite in San Francisco; full-time; $190k-$220k; US-based or relocation.
TypeScript, React, Next.js, Node.js, PostgreSQL, Cloudflare, AWS, AI model integrations
Job PostingView all
3mo
Save
Mark Applied
Hide
Senior AI Backend Engineer
San Francisco, California, United States
$220k-$280k/yr OnsiteFull Time
Klarity
Klarity: Uses AI to map, structure, and automate enterprise workflows.
4+ YOESenior backend engineer with 4+ years shipping production-grade systems, focused on distributed apps, AI orchestration, and security. CS degree not required.
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Engineer - Alarms
San Mateo, California, United States
$130k-$280k/yr OnsiteFull Time
Verkada
Verkada: Sells integrated AI-powered cloud physical security hardware and software.
5+ YOE5+ years backend engineering in production; Go; distributed systems; AWS; Postgres/Kafka/Redis; on-site work five days a week.
Go, AWS, Postgres, Kafka, Redis, Kubernetes, Temporal
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco or Toronto or Los Angeles or Raleigh
$168k-$210k/yr HybridFull Time
BuildOps
BuildOps: SaaS platform for managing commercial contracting businesses.
5+ YOE5+ years backend or full-stack experience; 1–2+ years in senior/lead roles; Node.js with TypeScript; GraphQL/REST APIs; distributed systems; strong CS fundamentals; ability to own projects end-to-end; AI tooling experience preferred.
Node.js, TypeScript, GraphQL, REST, Docker, Kubernetes, Python
Job PostingView all
6d
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
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
Job PostingView all
4w
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco or New York City
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
7+ YOE7+ years software engineering with heavy backend/distributed-systems responsibility; experience owning reliability, incident response, APIs, databases, cloud-native architectures, and using AI coding agents.
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
Hedra
Hedra: Builds artificial intelligence models for character-driven video generation.
5+ YOE5+ years backend development with Python, FastAPI/Pydantic; Kubernetes/EKS; relational databases; AWS stack; building scalable services.
Python, FastAPI, Pydantic, Kubernetes, EKS, PostgreSQL, Redis, S3, DynamoDB, AWS
Job PostingView all
1mo
Save
Mark Applied
Hide
Lead Backend Engineer
San Francisco or Lehi or Plano
$138k-$216k/yr HybridFull Time
Collective Health
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.
Java, Spring Cloud, Mulesoft, GitHub Copilot, Cursor, WindSurf, AWS, GCP, SQL, PostgreSQL
Job PostingView all
3mo
Save
Mark Applied
Hide
Senior Backend Engineer, Platform
San Jose, California, United States
$127k-$150k/yr OnsiteFull Time
Archer
ArcherNYSE: ACHR: Develops electric vertical takeoff and landing aircraft for urban mobility.
6+ YOE6+ years backend engineering; Go; PostgreSQL; distributed systems; data integrity; delta syncs; AWS.
Go, PostgreSQL, AWS, Kafka
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Judgment Labs
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.
ClickHouse, Presto, Kafka, Spark, Flink, Ray, Airflow, Dagster, Prefect
Job PostingView all
1mo
Save
Mark Applied
Hide
Semiotic Labs - Senior Backend Engineer
New York or San Francisco
RemoteFull Time
YieldNest
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.
Python, FastAPI, Pydantic, Async SQLAlchemy, PostgreSQL, pgvector, Row-level security, Redis, OpenTelemetry, AWS, React, Vite
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Backend Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall
Aircall: Cloud-based business phone system and customer communication platform.
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
TypeScript, AWS, CloudFormation, Terraform, GraphQL
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Backend Engineer, Ambient AI
Mountain View or San Francisco or New York City
$170k-$230k/yr OnsiteFull Time
Commure
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.
Python, Flask, Django, FastAPIs, Docker, Kubernetes, LLMs, EHRs
Job PostingView all
4w
Save
Mark Applied
Hide
Senior Backend Engineer, Risk Systems
San Francisco, California, United States
OnsiteFull Time
Slope
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.
Node.js, TypeScript, Python, SQL, Postgres, Snowflake, AWS
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Backend Developer
San Francisco, California, United States
$160k-$210k/yr RemoteFull Time
Ellipsis Health
Ellipsis Health: AI-powered voice agent for healthcare care management.
5+ YOE5+ years backend development; strong TypeScript/Node.js; REST/GraphQL; orchestration layers; microservices; cloud platforms; Kubernetes; SQL/NoSQL; secure data handling; CI/CD; production ownership.
TypeScript, Node.js, REST, GraphQL, Kubernetes, AWS, GCP, Azure, PostgreSQL, MongoDB, DynamoDB, CI/CD
Job PostingView all

Explore Jobs

Expand Your Job Search