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27 java developer contract jobs at 12 companies in San Mateo, CA

2mo
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Staff Cloud Engineer - Contract
Scottsdale or Chicago or San Francisco or New York
HybridContract
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
8+ YOEEight+ years distributed systems, cloud, Java/Spring; Docker/Kubernetes; AWS/CI/CD; 2+ years frontend; US-work eligibility; no visa sponsorship.
Docker, Kubernetes, Terraform, Ansible, AWS, Google Cloud, Azure, Java, Spring, Maven, Gradle, Kafka, RabbitMQ, Jenkins, Angular, React, CI/CD, Git
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2d
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Remote Software Developer
San Francisco or New York or United States or Canada or United Kingdom or Netherlands or Italy or Germany
$200-$300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOE3+ years software engineering experience; full-stack development, software architecture, debugging, and code-review skills; proficiency in Python, JavaScript (ReactJS), C/C++, Java, Rust, and Go; strong written and oral communication.
Python, JavaScript, ReactJS, C/C++, Java, Rust, Go
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1mo
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Full Stack Engineer (Contractor) - Palo Alto
Palo Alto or San Francisco or Singapore or Tokyo or Shenzhen or Seattle or Beijing
$85/hr OnsiteFull Time, Contract
Plaud
Plaud: Develops AI-powered voice recorders and automated transcription software.
3+ YOE3+ years full‑stack experience with modern frontend frameworks (React) and backend development (Go, Java or similar); RESTful API integration; building scalable, reliable web applications; strong communication and ownership.
React, Go, Java, RESTful API
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3w
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Full Stack Software Engineer - Web3 (SF)
San Francisco, California, United States
$160k-$190k/yr HybridFull Time
Mesh
Mesh: Connecting digital wallets and exchanges for unified cryptocurrency payments.
3+ YOE3-6 years Web3 full-stack engineering experience; wallet integrations, on-chain/off-chain flows, Solidity and smart contract experience; frontend (TypeScript, React) and backend (Node.js, Go, C#, Java) familiarity; strong security and distributed-systems skills.
TypeScript, React, Redux, C#, Node.js, Go, Java, Solidity, Solana Anchor, Solana Web3.js
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2mo
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Software Engineer 5 - Payments Experience Automation Infrastructure
Los Gatos, California, United States
$388k-$558k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
10+ YOEAutomation engineer with end-to-end testing strategy and AI-driven infra; expertise in Playwright/Selenium, API/contract testing; Java, JavaScript, Python; experience with payments/checkout systems.
Java, JavaScript, Python, GraphQL, GitHub Actions, Selenium WebDriver, Playwright, Jest, Cucumber, Mocha
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3mo
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Explainable AI Engineer
Palo Alto, California, United States
RemoteContract, Full Time
Mitek Analytics: AI software for aerospace supply chain and aircraft maintenance.
3+ YOEProductized analytical apps; mission-critical teams; math methods; MATLAB; Java; GitHub; documentation; collaboration; US citizenship; engineering degree.
MATLAB, Java, GitHub, Actions
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5d
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Software QA Engineer
San Mateo, California, United States
$60-$80/hr OnsiteContract
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
5+ YOE5+ years software testing; 3+ years automation experience; proficiency in Python/Java/JavaScript; API, UI, backend testing; experience with CI/CD and strong debugging and communication skills.
Python, Java, JavaScript, Pact, Protocol Buffers, gRPC, Selenium, Appium, Postman, REST Assured, GraphQL, Git, Jenkins, Docker, React Native
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3mo
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Software Engineer II, Backend, tvScientific
San Francisco or San Francisco
$124k-$255k/yr RemoteFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding inspiration and creative ideas.
Backend engineering focusing on contract/billing systems; AI-assisted workflows; strong React/Redux front-end knowledge; collaboration with Product, Finance, Data.
Javascript, Python, Java, React, Redux, APIs, Contract/Billing systems
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2mo
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Staff Data Engineer
Foster City, California, United States
$146k-$234k/yr HybridAll Commitments Available
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years data engineering with a Bachelor's or 2+ years with an advanced degree; or 0 years with a PhD. Strong big data, Spark, Hadoop, Python, SQL; Java, REST APIs, and container tech; ML/AI model experience.
Hadoop, Spark, Python, SQL, Java, REST APIs, Docker, Kubernetes, Kafka, Redis, Flink, TensorFlow, Triton, AWS, Unix/Shell, Airflow, Control-M, React, Redux, HTML5, CSS, JavaScript
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3mo
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Software Engineer
Mountain View, California, United States
HybridContract
CENTRL
CENTRL: Automates financial due diligence and risk management using AI.
2+ YOEBachelor's in Computer Science; 2-3 years experience; must be authorized to work in the USA.
Java, Python, Angular, SQL, REST APIs
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1d
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Bioinformatics Research Associate (3 Month Contract)
Fremont, California, United States
$45-$55/hr OnsiteContract
SeqMatic
SeqMatic: Provides specialized genomic sequencing and bioinformatics research services.
B.S. or M.S. in bioinformatics/computational biology/biostatistics or related; experience with Python/R/Perl/Bash/Java/JavaScript, Linux, NGS data, common tools (Bowtie,GATK,STAR,SAMtools,Cell Ranger), HPC; strong analytical skills.
Python, R, Perl, Bash, Java, JavaScript, Linux, Illumina, 10X Genomics, Bowtie, GATK, Picard, STAR, SAMtools, Cell Ranger, AWS, Microsoft Office
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3mo
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Software Engineer - AI Agentic Product Dev Team (US)
Santa Clara, California, United States
$121k-$161k/yr HybridAll Commitments Available
Eightfold.ai
Eightfold.ai: AI-native platform for talent management and workforce optimization.
1+ YOE1-2 years of software engineering; backend or full-stack; Python and another language; experience with LLMs/NLP/ML features; APIs and distributed systems; prompting and embeddings
Python, Java, Go, TypeScript, APIs, Distributed Systems, LLMs, NLP, ML
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3mo
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Sr. Director, Applications Engineering
San Francisco, California, United States
$284k-$423k/yr HybridMultiple Commitments Available
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
15+ YOE15+ Mgmt15+ years leading global engineering teams; BA/BS in Computer Science or related field; strong leadership, coaching, and architectural skills.
JavaScript, TypeScript, React, Angular, Node.js, Java, Python, AWS, Azure, GCP, Microservices, CI/CD, SRE, AI/ML, LangGraph, CrewAI
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