156 junior backend developer jobs at 96 companies in California

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
3mo
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Engineer, Backend
San Mateo, California, United States
OnsiteFull Time
Bedrock Data
Bedrock Data: AI-native data security and governance platform for enterprise environments.
Backend engineer with experience designing scalable services; strong problem-solving; entrepreneurial mindset.
Golang, Python, Node, AWS, Neo4j, SQL
2d
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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.
1+ YOE1-3 years backend experience, strong Go skills, distributed system and API design, familiarity with Postgres, Kafka, Redis; EMR not required. Excellent communication and critical thinking.
Go, Postgres, Kafka, Redis, Temporal
2w
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Backend Software Engineer
San Francisco, California, United States
$100k-$130k/yr HybridFull Time
Ketch
Ketch: Data permissioning platform for automated privacy and compliance.
1+ YOE1+ year software engineering experience; strong backend development in Golang (or Java/Python/Scala); experience with cloud-native production systems, distributed systems, CI/CD, and databases; strong communication and collaboration skills.
Golang, Java, Python, Scala, AWS, GCP, Azure, Github Actions, Redis, Cassandra, DynamoDB, ScyllaDB, Postgres, ElasticSearch, git, GitHub, Kubernetes
2d
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Associate Backend Engineer.
Sunnyvale, California, United States
$100k-$105k/yr OnsiteFull Time
DigiCert
DigiCert: Provides digital security certificates and automated PKI management.
0+ YOEBachelor's or equivalent,0–3 years software experience,proficiency in Go/Rust/Java/Python/C++,familiarity with cloud platforms (AWS/Azure/GCP),exposure to Docker/Kubernetes,and strong CS fundamentals.
Go, Rust, Java, Python, C++, AWS, Azure, GCP, Docker, Kubernetes, LinkedIn Learning, Motivosity
1mo
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Senior Developer, Back-End
Los Angeles or Tempe
$143k-$165k/yr HybridFull Time
Fox Corporation
Fox CorporationNasdaq: FOXA: Broadcasts news, sports, and entertainment via television and streaming.
5+ YOE5+ years software development experience; expertise in AWS serverless (Lambda, SQS, RDS, Step Functions), TypeScript; proficiency with CloudWatch/Datadog, CI/CD (GitHub Actions), OpenSearch, and mentoring/junior developer leadership.
AWS Lambda, SQS, RDS, Step Functions, TypeScript, Python, Java, AWS CloudWatch, Datadog, OpenSearch, GitHub Actions, npm, CloudFormation, Terraform, Docker, ECS, EKS
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
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
3d
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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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Backend Software Engineer, Content E-Commerce
San Jose, California, United States
$156k-$317k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
2+ YOEBachelor's degree in CS or related, 2+ years building highly scalable backend services using Java/Golang/Python/C++, strong algorithms, data structures, networking and security knowledge.
Java, Golang, Python, C++, MySQL, Redis, Kafka
1w
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Backend Compiler Engineer - New College Grad 2026
Santa Clara, California, United States
$108k-$196k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
Recent BS/MS in Computer Science or Computer Engineering (or equivalent), compiler design coursework, LLVM backend experience, strong C/C++ coding and communication skills.
LLVM, LLVM IR, Machine IR (MIR), GlobalISel, TableGen, C/C++, CUDA, PTX, OpenGL, DX, Vulkan
1w
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Backend Compiler Engineer - New College Grad 2026
Santa Clara, California, United States
$108k-$196k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
New college graduate in CS/CE with compiler course experience, strong C/C++ coding, LLVM backend knowledge, and strong communication and software engineering practices.
LLVM, TableGen, LLVM IR, Machine IR (MIR), C, C++, CUDA, PTX, OpenGL, Vulkan, DX
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
16h
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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
2w
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Backend Development Engineer Intern (Infrastructure Platform Delivery) - 2026 Fall (BS/MS)
San Jose, California, United States
OnsiteInternship
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Final-year or graduating BS/MS students in CS or related fields; strong coding, data structures and algorithms; proficiency in Java, Go, or C/C++; able to commit 12 weeks in 2026.
Java, Go, C/C++, MySQL, Redis, Linux, TCP, UDP, HTTP
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, experience with Python or JavaScript/TypeScript (Node.js), API design, databases, production reliability, performance, and security; strong problem-solving and collaboration skills.
Python, JavaScript, TypeScript, Node.js, CI/CD
1mo
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Full-Stack Engineer (Backend Focused)
Los Angeles or Alabama or Alaska or Delaware or District of Columbia or Hawaii or Iowa or Louisiana or Mississippi or Nebraska or New Mexico or Rhode Island or South Dakota or West Virginia or United States
$140k/yr HybridFull Time
TeamSnap
TeamSnap: Software platform for managing youth sports teams and leagues.
2+ YOE2+ years software engineering experience; strong backend skills with Node and TypeScript/JavaScript, frontend experience with React, SQL/relational databases, distributed systems and API development.
Node, TypeScript, JavaScript, React, SQL, MySQL, GCP Cloud SQL
2w
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Software Engineer, Backend, Level 4
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor's in CS or equivalent experience, 2+ years post-degree software development experience, distributed systems/backend experience, strong collaboration skills, proficiency with Java/C++/Python and cloud/NoSQL systems, ability to use AI tools responsibly.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
1mo
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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
1mo
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Software Engineer, Backend (mid level)
Bengaluru or San Francisco
HybridFull Time
Instabase
Instabase: Automates data extraction and analysis for unstructured enterprise content
2+ YOEBS/MS/PhD or equivalent experience; 2+ years professional software development; proficiency with Docker, Kubernetes and cloud (AWS, GCP, Azure); strong CS fundamentals and customer-focused mindset.
AI Hub, Docker, Kubernetes, AWS, GCP, Azure
1mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend engineering experience; professional experience with Python, Node.js/JavaScript, and Java; experience with ArcGIS Enterprise, containerization (Docker/Kubernetes), API design, and Top Secret/SCI clearance required; Bachelor's in STEM.
Python, Node.js, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server