66 junior backend engineer 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.
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.
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.
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
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.
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
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.
Longshot Space Technologies: Developing ground-based kinetic launch systems for hypersonic and space applications.
2+ YOEDesign and maintain data pipelines and backend systems for sensor telemetry; strong Python, database, and backend/API experience; bachelor's degree and 2+ years backend/data infrastructure experience.
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
2+ YOE2+ years building scalable full-stack web applications; strong frontend experience with TypeScript and React; backend experience with Java, Go, or Python; solid CS fundamentals; strong collaboration and product focus.
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.
Machine Learning Engineer, Agentic Systems - Moveworks
Mountain View, California, United States
OnsiteFull Time
ServiceNowNYSE: NOW: Provides a cloud platform for automating enterprise digital workflows.
2+ YOE2+ years building production backend/infrastructure systems; strong Python or Go; experience with distributed systems, async concurrency, event-driven architectures, DynamoDB, Redis, SQS/Kafka, gRPC, OpenTelemetry, and observability.
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
2+ YOEMaster's in CS/Engineering/Information Sciences or related plus 2 years experience; expertise in distributed systems, backend development, ML, security, observability, and search technologies.
Lisbon or San Francisco or Sunnyvale or Raleigh or Seattle or Boston or London or Bangalore or Dublin or Kyiv or Portugal
OnsiteFull Time
SingleStore: Provides a distributed SQL database for real-time analytics.
2+ YOEFrontend engineer with 2+ years on a SaaS product; strong experience with React and TypeScript, browser application architecture, and familiarity with backend languages (Golang, Python, Rust) is a plus.
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.
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.
xAI: Develops advanced artificial intelligence systems to understand the universe.
0+ YOEStrong software engineering fundamentals; interest in backend systems, data pipelines, or AI applications; ownership mindset; ability to ship; proven experience via internships, projects, research, open-source, startups, or full-time roles.
Boson AI: Develops generative AI and large-scale audio foundation models.
0+ YOE0–2 years software engineering experience; strong backend fundamentals; proficiency in at least one language (Python, Go, Java, Rust, C++); familiarity with cloud, containers, version control, and CI/CD.
Otter.ai: AI-powered meeting transcription and automated note-taking platform.
2+ YOEBachelor's or equivalent experience; 2–4 years backend engineering experience; proficiency with Python and Django; familiarity with MySQL and NoSQL stores (DynamoDB, Cassandra, Redis); exposure to AWS and product analytics/A-B testing.