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Java Python Developer Jobs in California, United States
2,000+ java python developer jobs from 740+ companies hiring in California, United States.
2mo
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Sr. Engineer, Machine Learning
Redwood City, California, United States
$151k-$215k/yr OnsiteFull Time
4+ YOE4+ years experience applying ML at scale; BS/MS in CS, Statistics, or related field; strong CS fundamentals; ML lifecycle expertise; Python/SQL/Java or Scala; knowledge of big data tech and production ML.
Python, SQL, Java, Scala, PyTorch, TensorFlow, Sklearn, Flask, FastAPI, Docker, Kubernetes, Spark, Kafka, RabbitMQ, Redis, Redshift, MongoDB, Milvus, Airflow, Databricks, MLFlow, Sagemaker, Grafana, Datadog
1w
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Senior Software Engineer - Backend
San Francisco, California, United States
$180k-$215k/yr OnsiteFull Time
10+ YOE10+ years of relevant experience; Bachelor's degree in CS/Engineering or equivalent; strong backend (Python, Java, Go, Django, Flask) and database skills; distributed systems and REST APIs; Agile methodologies; security and regulatory awareness (FDA/HIPAA).
Python, Java, Go, Django, Flask, Vue.js, React, Angular, SQL, NoSQL, AWS, OpenID, OAuth2, SAML, REST APIs
2mo
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Sherpa 6 - Test Engineer - Secret Clearance Required
United States
$80k-$100k/yr RemoteFull Time
2+ YOETwo years of test automation experience; BS in Information Technology or related field; proficient in Java, Groovy, JavaScript, or Python; cloud services experience; Selenium; Docker; CI tools; Mac/Linux proficiency; US citizenship; background check.
Selenium, Docker, Jenkins, Bamboo, Jira, Rally, AWS, Azure, GitHub, Bitbucket, Android, iOS, Java, Groovy, JavaScript, Python
1w
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Member of Technical Staff (Software Engineer, Computer)
San Francisco or Palo Alto or New York City
$220k-$405k/yr HybridFull Time
4+ YOE4+ years of professional software engineering experience; strong in at least one language (Python, Go, TypeScript, JavaScript, Swift, Rust, Java, or C++); experience building and operating production systems; strong product judgment; interest in AI products.
Python, Go, TypeScript, JavaScript, Swift, Rust, Java, C++
1mo
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ServiceNow Developer IV
San Diego, California, United States
$95k-$161k/yr OnsiteFull Time
3+ YOE3+ years software engineering; .NET/.NET Core; Java; strong C#; SQL/ETL; REST/Web services; Git/Jenkins; AWS data experience preferred.
C#, .NET, .NET Core, Java, Git, Jenkins, SQL Server, SQL, REST, Web Services, Postman, Python, CI/CD, HTML, XML, JSON, APIs, SSIS, AWS
1w
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Senior Fullstack Developer
United States
$130k-$150k/yr RemoteFull Time
5+ YOE5 to 8 years of software development experience; strong coding, project management, and communication skills; experience with full-stack development and REST APIs.
Java, C++, Python, REST APIs, TypeScript, Express, FastAPI, PostgreSQL, Angular/React
1w
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Full Stack Software Engineer
United States
RemoteFull Time
Bachelor’s in CS/Software Engineering; front-end exp (React/Angular/Vue.js); back-end exp (Java/Python/C#); RESTful API, MVC patterns; relational and NoSQL databases; Git; technical documentation; active Secret clearance.
React, Angular, Vue.js, Java, Python, C#, MVC, REST, PostgreSQL, MySQL, MongoDB, Git, Django, CI/CD, Docker, Kubernetes, AWS, Azure, Google Cloud, Generative AI APIs
2mo
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Staff Machine Learning Engineer
United States
$225k/yr RemoteFull Time
6+ YOE6+ years of engineering experience with at least 4 years in production ML; strong Python and SQL; experience with Go/Rust/Java; ML frameworks; ML/NLP; MLOps; data engineering; cloud and on-prem environments; cybersecurity domain helpful.
Python, SQL, Go, Rust, Java, PyTorch, TensorFlow, scikit-learn, HuggingFace
2mo
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Software Engineer Sys 3 (Fremont, CA, US, 94538)
Fremont, California, United States
$99k-$220k/yr HybridFull Time
5+ YOEBachelor’s degree with 5+ years or Master’s with 3+ years; PhD with no prior experience; experience with Python and Java; cloud-native data pipelines on Azure; big data/enterprise analytics; strong OO design; excellent communication.
Python, Java, Azure, Azure Data Lake Storage, HDInsight, Azure SQL, Cosmos DB, Event Grid, Azure Functions, Azure Batch, FastAPI, Celery, Redis, Docker, Kubernetes, Kafka, Spark, Git, Jira, Confluence, Maven, Jenkins
1mo
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Senior Machine Learning Engineer, Gen AI
United States
RemoteFull Time
5+ YOE5+ years backend/software experience; strong ML/AI focus; distributed systems; cloud; Python/Go/Java; ML tools; production-grade; open to fully remote US.
Python, Go, Java, Jupyter, Dagster, MLFlow, Kubeflow, DVC, Triton Server, PostgreSQL, Kubernetes, GKE
1w
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Senior Backend Engineer II - AI-Native, Devices Cloud
United States or Canada
$148k-$217k/yr RemoteFull Time
5+ YOE5+ years backend experience; strong Java/Go/Python; AI-native workflows; AWS and microservices; experience with AI tooling and large language models.
Java, Go, Python, AWS, EKS, Lambda, DynamoDB, SQS, Kafka, Prometheus, Grafana, OpenTelemetry, DataDog, Claude Code, Cursor, GitHub Copilot
2mo
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[Pipeline] Staff+ Software Engineer, Systems
New York City or San Francisco
$405k-$485k/yr HybridFull Time
10+ YOE10+ years software engineering; leadership of multi-team initiatives; deep distributed systems and cloud experience (Kubernetes, IaC, AWS/GCP); proficient in at least one systems language (Python, Rust, Go, Java).
Kubernetes, IaC, AWS, GCP, Python, Rust, Go, Java
2w
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Staff Server Software Engineer
Sunnyvale, California, United States
$160k-$240k/yr OnsiteFull Time
10+ YOE10+ years in software development; 5+ years leading technical teams; strong Java, Spring Boot; REST APIs; JVM-based systems; MySQL; microservices; able to design scalable backend services.
Java, Spring Boot, MySQL, REST API, JVM, Microservices, Python, Google Cloud
1mo
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Principal Machine Learning Engineer, Ads & Promos Delivery
Sunnyvale, California, United States
$269k-$395k/yr OnsiteFull Time
5+ YOE5+ years ML/AI experience; BS/MS/PhD in CS/Engineering; deep learning/LLMs/retrieval, ranking; Python/Java/C++; ML lifecycle; cross-functional collaboration; strong communicator.
Python, Java, C++, PyTorch, TensorFlow, XGBoost
1mo
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Senior Full Stack Engineer, Digital Experience
Bloomington or Remote or United States
$110k-$146k/yr RemoteFull Time
7+ YOE7+ years software engineering; front-end (JavaScript/TypeScript, React/Next.js/Vue); back-end (Node.js, Python, Java); CMS and headless architectures; cloud, CI/CD; analytics and integrations; collaboration with cross-functional teams.
JavaScript, TypeScript, HTML, CSS, React, Next.js, Vue, Node.js, Python, Java, CMS, Headless CMS, Cloud, CI/CD, Analytics, CRM, Marketing Automation, A/B Testing, SEO
3d
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Software Test Engineer
United States
$69k-$118k/yr RemoteFull Time
5+ YOE5+ years in software test automation; Bachelor's degree in a related field; hands-on in programming (C#, .NET, Python, Java), IDEs (Visual Studio, Eclipse), SQL, test design; experience with container-based testing; Agile; accessibility testing (Section 508/WCAG 2.1); DevSecOps practices; Jira; Git/GitLab; distributed teams; release planning.
C#, .NET, Python, Java, Visual Studio, Eclipse, MS SQL, Test design patterns, Container-based testing, Jira, Git, GitLab, Selenium, Gherkin
3d
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Sr. Developer - Quality Engineering
United States
$105k-$125k/yr RemoteFull Time
3+ YOE3+ years of development experience with TypeScript/JavaScript; experience with containers, cloud platforms, CI/CD, and data tools; strong collaboration and communication skills.
TypeScript, JavaScript, Python, Java, Ruby, Docker, Google Cloud Run, Google Cloud Functions, AWS Lambda, Kubernetes, GitHub Actions, Jenkins, BigQuery, Data Studio, SQL, Grafana, Cypress, Playwright, Selenium, JUnit
3w
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Senior Backend / Systems Engineer (AI) - San Mateo, CA
San Mateo, California, United States
$150k-$220k/yr HybridFull Time
5+ YOE5+ years backend or infrastructure experience; strong Python/Go/Java; API and data pipeline design; experience with LLM-based systems; cloud-native infra (AWS, Kubernetes, CI/CD).
Python, Go, Java, AWS, Lambda, Kubernetes, CI/CD, Django, Snowflake, React, Step Functions
1w
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Software Engineer in Test (SET)
Orange or New Braunfels
$95k-$110k/yr HybridFull Time
3+ YOEBachelor’s degree in computer science, engineering, or related field; 3+ years in software testing with test automation; programming in Java, C#, Python, or JavaScript; experience with Playwright, Selenium, or Cypress; strong QA lifecycle and CI/CD knowledge.
Playwright, Selenium, Cypress, Java, C#, Python, JavaScript, .Net, REST, GraphQL, CI/CD
1w
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Intern, Software Development Engineer in Test
San Francisco, California, United States
OnsiteInternship, Full Time
Hands-on test strategy, test planning, design, and execution for functional, integration, and PSR testing; experience with robustness testing tools like JMeter; Python and/or Java; cloud test environments (GCP, AWS); agile team experience.
Python, Java, JMeter, Google Cloud Platform, Amazon Web Services
2mo
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High Side Technology - Software Test Automation Engineer
San Diego, California, United States
OnsiteFull Time
Experience in test automation; proficiency in Java, JavaScript, Python, HTML/CSS; Git/GitLab; Docker and AWS; PostgreSQL; IntelliJ; load testing; top secret SCI eligibility; strong communication.
Java, JavaScript, Python, HTML, CSS, Git, GitLab, Docker, AWS, PostgreSQL, IntelliJ, Locust, Postman, Swagger, Playwright, Selenium, Eggplant
2mo
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Forward Deployed Software Engineer Internship
Irvine, California, United States
$250-$625/hr OnsiteMultiple Commitments Available
Part-time internship for a student; strong programming skills across Python/Java/C++/TypeScript; collaboration with technical and non-technical stakeholders; able to work independently and 10-25 hrs per week.
Python, Java, C++, TypeScript/JavaScript, Cloud, Front-end frameworks
1mo
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Sr. Staff Software Engineer (Conversational AI & Automation)
San Jose or United States
$175k-$200k/yr HybridFull Time
7+ YOESenior software engineer with 7+ years experience in microservices and distributed systems; proficient in Java, Python; cloud (AWS/GCP); SaaS; AI/ML; collaboration across product and data science teams.
Java, Python, SQL, NoSQL, AWS, GCP, SaaS, ServiceNow, Salesforce, AI/ML
1w
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FSO LABS - AI Developer Senior - Bay Area (San Jose, CA, US, 95110)
San Jose, California, United States
$103k-$188k/yr HybridFull Time
4+ YOE4+ years software development; SDLC experience; AI/automation focus; Azure cloud; Python and frontend tech; integration design; cross-functional work.
Azure, Python, JavaScript, TypeScript, Angular, React, Docker, Kubernetes, Power BI, Hadoop, Spark, Kafka, NoSQL, C++, C#, Java, SQL
2w
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Sr Software Engineer I
United States
RemoteFull Time
8+ YOE8+ years software development; BS/MS in CS/Software Engineering or related field preferred; experience with scalable databases (PostgreSQL) and DynamoDB/Cassandra; distributed systems in cloud; Golang (preferred) or Python/Java; MySQL; AWS (ECS/Lambda/RDS); Docker/Kubernetes; CI/CD (GitHub Actions/CircleCI); IaC (CloudFormation/Terraform); REST/HTT...
PostgreSQL, DynamoDB, Cassandra, Golang, Python, Java, MySQL, AWS, ECS, Lambda, RDS, Docker, Kubernetes, GitHub Actions, CircleCI, CloudFormation, Terraform, REST API
1w
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IT Applications Engineer V - Data Science, Data & AI Engineering, Application Engineering
Pleasanton, California, United States
OnsiteFull Time
5+ YOESenior IT engineer with 5+ years in data science/AI, leadership, CS-related degree, proficient in Python/Java/SQL, cloud/CI/CD, GenAI–Healthcare focus.
Python, Java, TypeScript/JavaScript, SQL, Databricks, Spark, Delta Lake, GitHub Actions, Azure DevOps, Jenkins, MLflow, LangChain, LangGraph, MONAI, MedGemma
1mo
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Senior AI Engineer (Evals/Observability Concentration)
United States
RemoteFull Time
3+ YOE3-5 years full-stack engineering; strong OOP; AI-focused system design; production experience in Python/C#/Java; LLM evaluation and observability tooling; guardrails and safety for AI systems; experience with RAG and multi-agent architectures; cloud deployments.
Python, C#, Java, LLM evaluation tooling, Langfuse, LangSmith, OpenTelemetry, RAG, Multi-agent architectures, Model Context Protocol, SFT, CI/CD tooling, Cloud platforms (AWS/Azure/GCP)
1w
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Senior Data Platform Engineer
Pleasanton, California, United States
$168k-$228k/yr OnsiteFull Time
5+ YOE5+ years in data platform development; cloud-based data pipelines; experience with AWS/GCP/Azure; Python/Java; Snowflake; ETL/ELT; data governance.
Snowflake, Python, Java, Kafka, AWS, Apache Iceberg, Amazon S3, Snowpipes, Streams, Stored Procedures, Airflow
3w
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Software Developer I
United States
RemoteFull Time
0+ YOE0-3 years full-stack development, strong problem solving, team collaboration, learning mindset.
React, Angular, Vue.js, Node.js, Python, Django, Flask, Java, PHP, Docker, Kubernetes, Terraform, Helm, Git, GitHub, GitLab, Bitbucket, CI/CD, GCP
6d
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Full Stack Software Engineer
United States
RemoteFull Time
8+ YOEUS citizen with active DoD Secret clearance; 8+ years full stack exp; BS in CS/Software Engineering; strong frontend/backend with JS/TS, React, Java/Kotlin/Go/Python; SQL/NoSQL; Linux; Agile/DevSecOps; Kubernetes, Docker, Azure; REST/gRPC/WebSockets.
JavaScript, TypeScript, React, HTML, CSS, Java, Kotlin, Go, Python, SQL, NoSQL, Linux, Kubernetes, Docker, Azure, REST, gRPC, WebSockets, CI/CD, Git, Observability, TDD, Testing, Runbooks, Playbooks
6d
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PHP Developer (Business Financing)
Poland or Bulgaria or Georgia or Lithuania or Mexico or Moldova or Poland or Romania or Ukraine or United States
RemoteFull Time
6+ YOE6+ years in software development; strong PHP; AWS; scalable systems; English communication; US EST hours.
PHP, CakePHP, Python, AWS, RDS, OpenAPI, Java, Spring Boot, MSSQL, MySQL, NoSQL
1mo
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Senior Machine Learning Engineer, Platform
San Jose, California, United States
$230k-$367k/yr HybridFull Time
5+ YOE5+ years in software; strong CS fundamentals; proficient in Java/Scala/Kotlin/Python; experience with big data systems (Spark, Kafka, Flink, S3, AirFlow); ML framework/tools (Ray, PyTorch, HuggingFace, AWS Sagemaker); MS in CS or related field.
Java, Scala, Kotlin, Python, Spark, Kafka, Flink, S3, AirFlow, Ray, PyTorch, HuggingFace, AWS Sagemaker
1mo
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Staff AI Engineer - Applied AI (Remote)
Los Angeles or United States
$207k-$243k/yr RemoteFull Time
8+ YOE8+ years AI/ML development; 5+ years Python; backend experience; foundation models; evaluation pipelines; LLM integration; AIOps; strong communication; Bachelor’s in ML or related field.
Python, JavaScript, TypeScript, Java, Go, LangChain, LlamaIndex, DSPy, Haystack, Pinecone, Weaviate, FAISS, Milvus, OpenAI, Anthropic, Bedrock, Gemini, RAG, tool calling, vector databases
2mo
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Software Engineer - Product
Palo Alto, California, United States
$170k-$290k/yr HybridFull Time
3+ YOEBachelor's in CS or equivalent; 3+ years software engineering; proficient in Python/TypeScript/Go/Java; shipping software; internships or personal projects count.
3d
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Data Engineer
Arlington or United States
$110k-$166k/yr RemoteFull Time
4+ YOE4–6 years of experience in Agile software development; strong Python and Java; experience with high-volume ETL; AWS services; SQL; Linux; JSON; DevSecOps tools; TS/SCI clearance; Bachelor's degree in Computer Science or related field.
Python, Java, AWS, SQL, Linux, JSON, Jenkins, Ansible, Terraform, Vault
2mo
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Senior Software Engineer II, Core Infrastructure
Mountain View, California, United States
$140k-$240k/yr OnsiteFull Time
7+ YOE7+ years in design, build, ship, and maintain products or platforms; BS/MS in CS; experience with API-based platforms, REST/RPC; microservices in Python/Golang/Java/C++; startup pace; strong communication; eager to learn and iterate
Python, Golang, Java, C++, REST, APIs
1mo
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Technical Lead Platform Engineer
Palo Alto, California, United States
$220k-$280k/yr HybridFull Time
8+ YOE8+ years experience; Bachelor's in CS/SE/Math/Statistics; technical lead experience; production scale of Gen AI; Python plus TypeScript/Java; cloud (AWS/GCP/Azure); Terraform; Docker/Kubernetes; REST APIs; DevOps/CI/CD; agile; on-site in Palo Alto 3 days/week.
Python, TypeScript, Java, Go, Rust, Terraform, Docker, Kubernetes, AWS, GCP, Azure, React, Angular, Vue.js, TensorFlow, PyTorch, CI/CD
2mo
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Data Engineer
United States
$104k-$144k/yr RemoteContract, Temporary
5+ YOEDesign, build, and maintain Azure-based data pipelines and data warehouse; strong SQL, Python/Scala/Java, and data modeling.
Azure Synapse Analytics, ADLS Gen2, Azure Data Factory, Spark, Python, SQL, Scala, Java
3w
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Full Stack Developer
United States
$99k-$207k/yr RemoteFull Time
5+ YOE5-7 years of software development experience; hands-on with AWS; strong frontend and backend skills; RESTful APIs; Docker; Git.
AWS, React, Vue.js, Angular, Node.js, Express, Python, Django, Flask, Go, Java, Spring Boot, C#/.NET Core, PostgreSQL, MySQL, MongoDB, DynamoDB, Git, Docker, Kubernetes, Terraform, CloudFormation, Jest, Pytest, JUnit, Webpack, Vite, TypeScript
2w
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Senior Database Developer
Westlake Village, California, United States
$90k-$150k/yr OnsiteFull Time
2+ YOE2+ years in scripting languages (Perl, Python, PowerShell) or programming languages (C#, Java); experience in OLAP, data visualization, DBA tasks, SQL query design.
Perl, Python, PowerShell, C#, Java, SQL, Transact-SQL, ETL, OLAP, Data Visualization
HiringCafe market data
Java Python Developer Jobs market signals in California, United States
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
2,000+
Hiring companies
740+
Fresh sample
53% new in 30d
Salary visibility
81% show pay
Companies appearing in this market
CDC FoundationEYFiservAnthropicCACIDoorDashLam ResearchManTech
Work location mix in visible results
Remote: 26Hybrid: 17Onsite: 16
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