93 junior backend developer jobs at 62 companies in Fairfax, CA

2w
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Backend Engineer - Connectivity
San Mateo, California, United States
$125k-$160k/yr OnsiteFull Time
Verkada
Verkada: Sells integrated AI-powered cloud physical security hardware and software.
1+ YOE1+ years backend experience, BS/MS in CS or related, proficiency in Python and/or Go, experience with Redis/DynamoDB/Postgres, Kafka/SQS, Terraform/Kubernetes, and REST APIs.
Redis, DynamoDB, Postgres, Kafka, SQS, Terraform, Kubernetes, Python, Go, REST APIs
1mo
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Backend Engineering Intern
San Francisco or Istanbul or Ankara
HybridFull Time, Internship
PlusMinusOne
PlusMinusOne: Develops and markets a portfolio of utility and lifestyle apps
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Git
4d
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Senior Backend Software Engineer
San Francisco, California, United States
$155k-$180k/yr OnsiteFull Time
SPAN
SPAN: Sells smart electrical panels for residential energy management.
4+ YOERequires 4+ years of backend engineering and programming experience, strong JVM expertise, Kafka and Kubernetes experience, cloud-native platform knowledge, and observability platform experience.
Kotlin, TypeScript, Python, gRPC, REST APIs, GraphQL, MQTT, Kubernetes, Apache Kafka, Datadog, AWS, GCP, Azure, AWS IoT, SQL, Flink, Spark, Istio, Spring Boot, Micronaut, Pulumi, Terraform, Stripe
1mo
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Backend Engineer, Applied Agents (Los Altos)
Los Altos, California, United States
OnsiteFull Time
PhnyX Lab
PhnyX Lab: AI-native operating system for biopharma knowledge work.
2+ YOE2+ years building and operating production backend systems; strong API, data modeling, database, and reliability skills; hands-on experience with LLM/RAG/vector DB systems and agent runtimes; familiarity with AI coding tools.
Python, FastAPI, Postgres, vector DB, RAG, LangGraph, AWS, Terraform, Kubernetes, Claude Code, Cursor
5d
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Backend Software Engineer
San Francisco, California, United States
$120k-$140k/yr HybridFull Time
Ketch
Ketch: Data permissioning platform for automated privacy and compliance.
1+ YOE1–3 years of software engineering experience; production systems experience with Golang or Java, Python, or Scala; distributed systems, cloud-native, Kubernetes, CI/CD, databases, and Git expertise.
Golang, Java, Python, Scala, AWS, GCP, Azure, Kubernetes, GitHub Actions, Redis, Cassandra, DynamoDB, ScyllaDB, Postgres, ElasticSearch, git, GitHub
3w
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Backend Platform Engineer
San Francisco, California, United States
$180k-$240k/yr OnsiteFull Time
Usul
Usul: AI platform for winning government defense contracts.
2+ YOEMinimum 2 years backend infra experience; familiarity with Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS/GCP; Typescript is a bonus; strong problem-solving for national security use cases.
Python, DevOps, Bash, Linux, Kubernetes, Terraform, AWS, GCP, Typescript
2w
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Software Engineer, Backend, Level 3
Los Angeles or Seattle or San Francisco or Palo Alto or New York City or Bellevue or Santa Monica
$100k-$176k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
1+ YOEBS/BA in a technical field or equivalent experience,1+ years post-Bachelor software development,experience with backend/distributed systems; proficiency in Java/C++/Python and cloud/NoSQL tooling preferred.
NoSQL, Memcache, Redis, Kubernetes, Google, AWS, Java, C++, Python
2w
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Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
2mo
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Software Engineer- Backend Intern (Fall 2026)
San Francisco, California, United States
$29/hr OnsiteInternship
Astranis
Astranis: Builds and operates small geostationary communications satellites.
Pursuing a CS degree; strong Python; databases and pub/sub/streaming experience; open to applicants not matching all criteria.
Python, PostgreSQL, RabbitMQ, Apache Flink, Kubernetes
2w
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Software Engineer, Backend (Release Engineering)
San Francisco, California, United States
$148k-$200k/yr HybridFull Time
Benchling
Benchling: Cloud platform for biotechnology research and development.
2+ YOE2+ years software engineering experience, product-first mindset, expertise with a web framework (node or python), strong problem solving, ownership, communication, and interest in life sciences; brief AI exercise in interview.
node, python
1w
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Software Engineer II, Backend
San Francisco or Seattle
$124k-$255k/yr RemoteFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding and saving ideas.
2+ YOEBachelor's degree in computer science or related field, 2+ years of backend development, distributed systems experience, and proficiency in Python, Java, C++, Go, or similar languages.
RESTful API, Python, Java, C++, Go, AI
1w
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Software Engineer, Backend
San Carlos, California, United States
$135k-$190k/yr HybridFull Time
Beacon AI
Beacon AI: Developing an AI-powered-pilot for safer flight operations.
2+ YOE2+ years building backend systems or equivalent experience; experience with Python or JavaScript/TypeScript (Node.js); API and database experience; familiarity with production reliability, performance, and security.
Python, JavaScript, TypeScript, Node.js
2mo
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Senior Software Engineer - Backend
New York City or San Francisco or London or Sydney
$170k-$240k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
2+ YOE2+ years building high-quality software; strong CS fundamentals; experience with backend services, continuous deployment, and cloud infrastructure; teamwork and ownership mindset.
Rust, Go, GraphQL, Node, Kubernetes, SQL, Python, GCP, AWS, Azure
1w
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Software Engineer, Backend (All Teams)
Sunnyvale or San Francisco or New York City or Seattle or Ann Arbor
$131k-$285k/yr HybridFull Time
DoorDash
DoorDashNYSE: DASH: Local food delivery and on-demand logistics platform.
2+ YOEBachelor's, master's, or PhD in Computer Science or equivalent; 2+ years of backend experience; AI coding tool proficiency; REST, SQL/NoSQL, service architecture, testing, and scalability expertise.
Claude Code, Codex, Cursor, Electronic Medical Records (EMR), HTTP, REST, SQL, NoSQL, Postgres, Redis, Elasticsearch, RabbitMQ, Gem, Covey
2mo
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Software Engineer Intern - Backend Focused - Winter 2027
New York or San Francisco or Seattle
OnsiteInternship, Temporary
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Current undergraduate/graduate student in CS or related field, previous software engineering internship experience with Python, backend programming skills, strong communication and critical thinking.
Python, Slack, Microsoft 365
1mo
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Frontend Developer (React) Junior/Mid
San Francisco, California, United States
RemoteFull Time
CareerSwift
CareerSwift: AI-powered recruitment and job search automation platform
3+ YOERequires 3+ years with React, JavaScript/TypeScript, modern CSS frameworks, and REST/GraphQL API integration; experience optimizing UI performance and collaborating with designers/backend engineers.
React, JavaScript, TypeScript, REST, GraphQL, CSS
3d
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iOS Engineer II - Earner Trip Experience
San Francisco or Sunnyvale
$171k-$190k/yr HybridFull Time
Uber
UberNYSE: UBER: A technology platform for transportation, delivery, and freight.
2+ YOERequires 2+ years developing iOS applications with Swift or Objective-C, iOS fundamentals, Git, and team code reviews. Web development, backend APIs, reliability, and analytics experience preferred.
Swift, Objective-C, iOS, UIView, UIViewController, Auto Layout, Git, Web, Backend APIs
2mo
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Frontend Engineer
San Francisco, California, United States
$150k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOE2+ years software development; experience defining frontend architecture; hands-on Kubernetes; APIs/backend experience; background in systems or distributed systems.
Kubernetes, Grafana, WebSockets, GitOps
4d
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Software Engineer, Wallet
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Go, Python, Java, EVM blockchains, smart contracts
1mo
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Software Development Engineer, Music Metrics & Data Platform
San Francisco, California, United States
$165k-$224k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOE2+ years professional software development and design/architecture experience; experience with mobile or backend development; familiarity with cross-platform frameworks; strong communication and mentoring skills.
Kotlin Multiplatform, TypeScript, AWS, Android, iOS