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485 junior software developer jobs at 268 companies in Vallejo, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Software Engineer - Junior
San Francisco, California, United States
OnsiteFull Time
Unlimited
Unlimited: Automates design and construction of large-scale physical infrastructure.
0+ YOEJunior software engineer with interest in AI and on-site role in San Francisco.
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2mo
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Junior Software Engineer
San Mateo or Foster City
$85k-$100k/yr HybridFull Time
PTC
PTCNASDAQ: PTC: Provides industrial software for design, manufacturing, and service operations.
0+ YOEUS citizenship required; commute to San Mateo office 2-3 days weekly; 0-2 years web app development; HTML, CSS, JavaScript; React preferred; basic QA; SQL.
HTML, CSS, JavaScript, React, SQL
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1w
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Software Developer
Palo Alto, California, United States
$149k/yr OnsiteFull Time
Sciton
Sciton: Develops medical laser systems and embedded control software.
1+ YOEBachelor's in CS/EE or related and 1 year experience developing embedded or industrial control software; experience with low-level I/O, schematics, hardware-software integration, and post-production support.
Timers, ADC/DAC, Serial Communication (RS-232/RS-485), Ethernet/IP
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2w
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Software Engineer
Oakland or United States
$149k-$155k/yr RemoteFull Time
Dutch
Dutch: Providing virtual veterinary consultations and prescription services for pets.
2+ YOEBachelor's in STEM, 2 years full-stack software development experience with JavaScript/TypeScript, React, React Native, GraphQL, Git/GitHub, HTML/CSS/Sass, and API integration.
GitHub, Git, JavaScript, TypeScript, HTML, CSS, Sass, React, React Native, GraphQL, APIs
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3w
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Software Engineer, Developer Success
San Francisco or California
$160k-$180k/yr OnsiteFull Time
Discord
Discord: A platform providing voice, video, and text communication services.
1+ YOE1+ years as a software engineer, game development experience preferred, familiarity with Python, Elixir, Rust, TypeScript/React, or C++; product sense, collaboration skills, and comfort learning new languages.
Python, Elixir, Rust, TypeScript, React, C++, Unreal, Unity
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1mo
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Software Engineer, Onboarding
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$275k/yr OnsiteFull Time
Ramp
Ramp: Financial operations platform for corporate cards and spend management.
2+ YOEMinimum 2 years software development experience; ability to ship reliable applications, use modern development tools, and drive metric-driven outcomes. Familiarity with Python/Flask, SQL, and observability; experience with AI/LLMs and fintech risk domains is a plus.
Python, Flask, SQL, AI/LLMs
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3mo
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Software Engineer, Safety
San Francisco, California, United States
$127k-$185k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOE1+ years non-internship software development; 1+ years professional experience; knowledge of modern languages/frameworks; strong CS fundamentals; Bachelor's in Computer Science or equivalent.
Golang, Typescript/React, iOS, Android, AWS (ECS, DynamoDB, Lambda, SQS, Step Functions)
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2w
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Software Engineer, Memberships
Seattle or San Francisco
$111k-$185k/yr OnsiteFull Time
Twitch
TwitchNASDAQ: AMZN: Operates a global live streaming platform for interactive content.
1+ YOE1+ years professional software development; proficiency in Python, Java, Go; strong algorithms, data structures, and distributed systems skills; Bachelor's in CS/Engineering or equivalent experience.
Python, Java, Go, Golang, TypeScript, React, AWS, ECS, DynamoDB, Lambda, SQS, Step Functions
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2w
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Software Engineer Internship
San Francisco, California, United States
$65/hr OnsiteFull Time, Internship
Lindy
Lindy: AI-powered platform for building and managing autonomous virtual assistants.
Currently enrolled in CS/Software Engineering or related program; experience with JavaScript/TypeScript or Python; exposure to AI/ML and web development; built side projects; teamwork and passion for AI.
TypeScript, GraphQL, Relay, Kubernetes, GCP, Python, JavaScript
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16h
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Software Engineer I
San Mateo, California, United States
$137k-$206k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
2+ YOEBS in Computer Science or equivalent, 2+ years professional software development, strong JavaScript/TypeScript and C++, experience building SDKs/frameworks, debug across layers, strong API design and communication.
JavaScript, TypeScript, C++, React Native, CMake, Conan, CocoaPods, Gradle, Maven, npm, Jenkins
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2w
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Software Engineer - Hybrid
San Francisco, California, United States
$117k-$146k/yr HybridFull Time
Workers' Compensation Insurance Rating Bureau of California
Workers' Compensation Insurance Rating Bureau of California: Collects and analyzes California workers' compensation insurance data.
2+ YOE2+ years software development experience; knowledge of Microsoft .NET Core, ASP.NET, C#, SQL Server; cloud experience (Azure or AWS); familiarity with HTML/CSS/JavaScript; strong problem-solving and communication skills.
Microsoft .NET Core, ASP.NET, C#, Microsoft SQL Server, Azure, AWS, HTML, CSS, JavaScript
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1w
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Algorithms Software Engineer
San Francisco, California, United States
$162k-$175k/yr HybridFull Time
Hayden AI
Hayden AI: Mobile vision AI systems for automated traffic enforcement.
2+ YOEMS in EE/CS/Information Engineering or related, 2+ years algorithms/software experience, Python, OpenCV, NumPy, SciPy, Pandas, production-grade software development, version control, testing, and deployment.
Python, OpenCV, NumPy, SciPy, Pandas
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4d
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Software Engineer ||
Santa Clara or San Jose or Mountain View or Fremont or Newark or Fairfield
$124k-$171k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
2+ YOEBachelor's degree required, 2+ years related experience, proficiency in C/C++, .Net, C#, and strong skills in algorithms, multi-threading, networking and software troubleshooting.
C/C++, .Net, C#
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1w
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Software Engineer II, Power Plant Software
Berkeley, California, United States
$112k-$147k/yr HybridFull Time
Form Energy
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
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2w
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Software Engineer - Associate
Austin or Fremont
$74k-$133k/yr HybridFull Time
Siemens
SiemensXETRA: SIE: Manufactures industrial automation, infrastructure, and energy technology systems.
1+ YOEBachelor's degree in CS/EE or related, 1-3 years software development experience, strong C/C++ skills, data structures and algorithms, compiler concepts, UNIX/Linux experience, problem-solving ability; U.S. export control compliance may apply.
C, C++, UNIX, LINUX, QuestaSim, SystemVerilog, Verilog, VHDL
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2mo
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Software Engineer Intern Fall 2026/Winter 2027
San Mateo, California, United States
$47-$58/hr OnsiteInternship
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
Internship seeking a junior/senior/masters student with software/web development experience; proficient in Python, Golang, or JavaScript/TypeScript; familiar with REST APIs, Linux, databases, and cloud services.
Python, Go, JavaScript, TypeScript, REST, Linux, PostgreSQL, MySQL, Redis, Memcached, AWS, GCP, Azure
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1mo
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Software Engineer
Redwood City, California, United States
$186k/yr HybridFull Time
Rundoo
Rundoo: Cloud-based management software for independent building supply stores.
1+ YOE1+ years professional software engineering experience, strong CS fundamentals, fluency in at least one production language, ability to ship end-to-end features, and able to work in person 4 days/week in Redwood City (Bay Area).
Go, TypeScript, React, React Native, ERP, POS
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1mo
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Software Engineer
Menlo Park, California, United States
$136k-$150k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
1+ YOEBachelor’s degree in CS/CE/Software Engineering and 1 year of related experience; proficiency in Java, Python, GoLang, or Scala; knowledge of security, authentication/cryptography, threat modeling, vulnerability management, monitoring, and policy enforcement; background checks required.
Java, Python, Go, GoLang, Scala, Security frameworks, Authentication and authorization, Cryptography, Threat modeling tools, Vulnerability management tools, Security monitoring tools, Compliance tools
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2w
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Software Engineer - Network (C++)
Palo Alto or Seattle
$180k-$440k/yr OnsiteFull Time
xAI
xAI: Develops advanced artificial intelligence systems to understand the universe.
2+ YOEStrong C/C++ experience, networking and distributed systems knowledge, Bachelor's degree or 2+ years professional software development experience, ability to work extended hours and weekends.
C, C++, UDP, TCP/IP, RDMA
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1w
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Software Engineer (Backend) - MTS
Redwood City, California, United States
$117k-$177k/yr OnsiteFull Time
Salesforce
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
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