69 junior backend developer jobs at 38 companies in Tracy, 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.
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.
Austin or Texas or Oregon or California or Redmond or Santa Clara
$124k-$242k/yrOnsiteFull Time
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
2+ YOE2+ years compiler code generation experience, B.S. in Computer Science/Engineering or equivalent, strong C++ skills, compiler optimization experience, good communication and documentation.
C++, CUDA, DirectX, OpenGL, Vulkan, PTX, LLVM, TableGen, LLVM IR, Machine IR (MIR)
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.
Backend Development Engineer Intern (Infrastructure Platform Delivery) - 2026 Fall (BS/MS)
San Jose, California, United States
OnsiteInternship
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.
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
2+ YOE2+ years software development experience building cloud-native backend services; strong Java, APIs, distributed systems, databases, testing, CI/CD, and communication skills.
Java, AWS, Azure, GCP, Cassandra, MongoDB, Docker, Kubernetes, Apache Spark, Kafka, JUnit, TestNG, Git, Claude Code, Cursor, Iceberg, Delta Lake
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.
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yrOnsiteFull Time
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
2+ YOEBachelor's degree or equivalent experience, 2+ years software development, experience with large-scale distributed systems, APIs, data structures, and Java or Kotlin.
Software Engineer, Systems ML - Compilers / Backend
Sunnyvale, California, United States
$154k-$217k/yrOnsiteFull Time
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
2+ YOEBachelor's in CS or equivalent,2+ years building compilers/toolchains or code-optimization software,experience with Python and/or C/C++,and AI framework or model-acceleration experience on GPU/TPU/custom ASICs.
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Experience building reliable distributed backend services and developer tools; strong software engineering skills and desire to learn and enable other developers.
10+ YOE10+ years backend-heavy experience building distributed systems (Go/Python/Java); expert with AI-assisted coding tools (Cursor, Claude); able to design resilient backend services, work with React/TypeScript teams, and mentor junior engineers.
RubrikNYSE: RBRK: Secures enterprise data across cloud and on-premises environments.
2+ YOEBachelor's in CS or related, 2+ years product development experience, proficiency in Scala/C++/Java, backend and distributed systems experience preferred, cloud platform experience a plus.
Scala, C++, Java, Google Cloud Platform, AWS, Azure, VMware
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in CS/engineering or 1+ years full-stack experience (or 3+ years experience in lieu); proficiency in modern backend and frontend development; experience with databases, UNIX, CI/CD, and strong communication skills.
2+ YOEBachelor's degree or equivalent, 2+ years post-degree software development, proficiency in JavaScript/TypeScript, HTML, CSS and one or more backend languages (Java, Golang, NodeJs, Python), front-end frameworks, unit testing, and full-stack web development.
Form Energy: Developing multi-day batteries for grid-scale energy storage.
2+ YOEBachelor's degree plus 2+ years software engineering experience; full‑stack UI and backend development; experience with React; familiarity or willingness to learn Python, Go, gRPC, Protobuf, and industrial protocols; strong collaboration and ownership.
React, Python, Go, gRPC, Protobuf, Modbus, DNP3, CAN
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
2+ YOEBachelor's in Computer Science or related field and 2+ years engineering experience with coding in C, C++, C#, Java, JavaScript, or Python; ability to meet Microsoft security screening; preferred experience in distributed systems, AI/ML infra, and backend service development.
Lisbon or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Bengaluru or Dublin or Kyiv or United States or Portugal
RemoteFull Time
SingleStore: Provides a distributed SQL database for real-time analytics.
2+ YOE2+ years building distributed systems or backend services; strong Go (Golang) proficiency; familiarity with Kubernetes, cloud providers (AWS/GCP/Azure), observability concepts, and debugging production systems.
Artos: AI-powered regulatory document automation platform for life sciences.
1+ YOEEx-founder or early startup engineer preferred; strong backend OR frontend expertise; experience building zero-to-one systems; Ruby on Rails or Next.js familiarity; able to evaluate AI-generated code.