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1,023 senior backend developer jobs at 478 companies in Berkeley, CA

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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
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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
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2mo
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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
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1mo
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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
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2mo
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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
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2mo
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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
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1mo
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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
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3mo
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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
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2mo
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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.
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3mo
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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.
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1mo
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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
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1w
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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
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2mo
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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
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4w
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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.
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2mo
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Senior Staff Backend Engineer
Seattle or Mountain View
$169k-$290k/yr HybridFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
8+ YOELead architectural design of a durable execution platform; backend software development; Java/Spring; AWS; 8+ years in distributed systems.
Java, Spring Framework, AWS, Python, Kubernetes, Cassandra, TiDB, Temporal, Cadence, Git
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3mo
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Senior Backend Engineer - ClickStack
Germany or United States or San Francisco or New York City
RemoteFull Time
ClickHouse
ClickHouse: High-performance columnar database for real-time data processing and analytics.
5+ YOE5+ years backend experience; strong TypeScript and Node.js (Express/Fastify); API design, distributed systems, data modeling; Docker/Kubernetes; Go, observability, and developer tooling experience preferred.
TypeScript, Node.js, Express, Fastify, Go, Docker, Kubernetes, ClickHouse, PostgreSQL, OpenTelemetry, Kafka, NATS, Grafana, Datadog, Elastic, ClickStack
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3mo
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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
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2w
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Senior Backend Engineer
Los Angeles or New York City or San Francisco
$170k-$200k/yr HybridFull Time
Tatari
Tatari: A platform for buying and measuring TV advertising campaigns.
6+ YOE6+ years software development (Python required), 4+ years building distributed systems and modern data stacks, deep SQL and data modeling, experience with LLMs and agentic coding tools, strong communication and cross-team collaboration.
Python, Cursor, Copilot, Cody, RDS, Databricks, Spark, Redshift, Kafka, Airflow, dbt, SQL, REST, gRPC, GraphQL
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4w
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Senior/Staff Backend Engineer
New York City or San Francisco
OnsiteFull Time
Lighthouse
Lighthouse: Technology-driven platform for U.S. immigration and visa services.
5+ YOE5+ years building and operating production backend systems; strong in Python and TypeScript; experience with PostgreSQL, GraphQL, serverless, async and event-driven architectures; familiarity with LLMs and integrations (Slack, Linear, HubSpot, Front).
Python, TypeScript, PostgreSQL, GraphQL, Slack, Linear, HubSpot, Front, CRDTs, LLMs, serverless
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2mo
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Backend Engineer
San Mateo, California, United States
OnsiteFull Time
Luminary Cloud
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.
Kubernetes, Docker, GCP, CI/CD
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2mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
Casap
Casap: Building an AI-native disputes automation and fraud prevention platform with a mission to reduce fraud and streamline workflow for financial institutions.
6+ YOE6+ years in software development; at least 2 years with Go or Java in production; platform team/API/background services; end-to-end feature ownership; strong problem-solving and data structures knowledge; mentoring and technical leadership; strong communication.
Go, Java, CI/CD, microservices, backend development
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