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Java Python Developer Jobs in Vallejo, CA, US
550+ java python developer jobs from 210+ companies hiring in Vallejo, CA, US.
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Senior Software Engineer, API Enablement
Columbus or Austin or San Mateo
$164k-$226k/yr RemoteFull Time
4+ YOEBachelor’s degree in CS/Engineering/Mathematics or equivalent + 4 years experience; proficiency in Kotlin/Java/Python/Ruby/TypeScript; strong communication; automated testing; building observable systems.
Kotlin, Java, Python, Ruby, TypeScript, Kafka, gRPC
1mo
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Senior Software Engineer, Enterprise PKI
San Francisco or Bellevue or New York
$149k-$246k/yr HybridFull Time
5+ YOE5+ years PKI systems; 8+ years scripting (Python, Golang, Java); X.509, CRLs, OCSP; SCEP/EST/ACME/CMP; CLM; Linux; AWS; DevOps.
Python, Golang, Java, Linux, Git, AWS
1w
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AI Software Engineer - HP IQ
San Francisco, California, United States
$127k-$175k/yr OnsiteFull Time
1+ YOEMasters in CS/Engineering/Data Science/AI; 1+ year backend dev with Python/Java/C++; LLM integration; DB/streaming tech; problem-solving in agile env.
Python, Java, C++, PyTorch, TensorFlow, ONNX Runtime, CoreML, SQL, NoSQL, Kafka
2mo
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Software Engineer – In-Vehicle Infotainment (IVI)
San Francisco Bay Area, California, United States
$150k-$165k/yr OnsiteFull Time
3+ YOEBachelor's in CS/engineering; 3+ yrs embedded software (Android/QNX/Linux); C++, Java, or Python; multimedia/HMI/connectivity; strong debugging; cross-functional collaboration; willing to travel internationally.
Android Automotive OS, QNX, Linux, C++, Java, Python, Bluetooth, Wi-Fi, LTE/5G
1mo
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Integration Engineer, People Technologies
Bellevue or Livingston or New York or San Francisco or Sunnyvale
$165k-$242k/yr HybridFull Time
5+ YOE5+ years as a Full-Stack or Integration Engineer; strong React frontend; backend in Node.js/Python/Java; API/microservices; enterprise integrations; Workato/Boomi/Tray.io; Camunda/Airflow/Zapier; GenAI and cloud/AWS/GCP/Azure; data pipelines and API security.
React, Angular, Vue, Node.js, Python, Java, Workato, Boomi, Tray.io, Camunda, Apache Airflow, Zapier, OpenAI, LangChain, RAG, AWS, GCP, Azure, API security, Data pipelines
1mo
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2026 Intern - Machine Learning Engineer
San Jose or San Francisco
$45-$55/hr HybridFull Time
Pursuing BS/MS/PhD in CS/CE or related field; strong ML, Python/Java/C; familiar with R/Matlab; able to work May–September; team player with good communication.
Python, Java, C, R, Matlab, scikit-learn
1mo
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Principal Software Engineer
San Francisco, California, United States
$164k-$257k/yr RemoteFull Time
9+ YOE9+ years backend, data, or infrastructure engineering; distributed systems; big data; applied AI/ML; proficient in Java, Go, Python; strong SQL and data modeling; familiarity with ClickHouse, DynamoDB, Bigtable, Kafka, Kinesis, Snowflake; experience with LLMs and AI workflows.
Java, Go, Python, SQL, ClickHouse, DynamoDB, Bigtable, Memcached, Kafka, Kinesis, Firehose, Airflow, Snowflake, LangGraph, MCP
3w
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Staff Backend Engineer - Commerce
San Francisco, California, United States
$230k-$270k/yr OnsiteFull Time
8+ YOE8+ years in backend systems; leadership; relational DB design; cross-functional collaboration; proficient in Golang/TypeScript/Python/C/C++/Java; distributed systems knowledge; IaC; payments experience; Kubernetes; CS/CE degree.
Golang, TypeScript, Python, C++, Java, Terraform, AWS CDK, Pulumi, Kubernetes, Stripe
2w
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Senior Machine Learning Engineer*
Redwood City, California, United States
$170k-$256k/yr HybridFull Time
5+ YOE5-7+ years of ML engineering; strong production-grade coding; Python/Scala/Java; MLOps/DevOps; MS/PhD in CS or related; experience with LLM/RAG and distributed frameworks a plus.
Python, Scala, Java, CI/CD, Terraform, Containerization, Kubernetes, Langchain, LlamaIndex, Guardrails, Elasticsearch, Spark, Kafka
2mo
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Staff Software Engineer, Data Ops
Palo Alto, California, United States
$207k-$258k/yr OnsiteFull Time
5+ YOE5+ years of software engineering or ML/Dev/Data Ops; Kubernetes, AWS CI/CD, Terraform, IaC; cloud monitoring; Python/Go/Java; GitLab/Jenkins; microservices; AWS security knowledge.
Kubernetes, AWS, Terraform, AWS CloudFormation, AWS CDK, Datadog, Prometheus, GitLab, Jenkins, Allure, Python, Go, Java, EKS, ECS, S3, Lambda, RDS, CloudWatch, Docker, GitOps
1w
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Senior Software Engineer, Reporting Experience
New York City or Reno or San Ramon
$153k-$210k/yr HybridAll Commitments Available
5+ YOE5+ years in software engineering; 5+ years front-end with React/Jest/JavaScript/TypeScript; proficiency in Kotlin/Java/Python; experience with automated testing; eagerness to learn; strong problem-solving and communication.
React, Jest, JavaScript, TypeScript, Kotlin, Java, Python, Docker, AWS, GraphQL, RESTful APIs
2mo
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Senior Software Engineer - Data Engineering - Moloco Commerce Media
Menlo Park, California, United States
$184k-$244k/yr OnsiteFull Time
6+ YOE6+ years software engineering; strong in Java, C#, Go, C++, Python; SQL/NoSQL; cloud platforms; distributed systems; data pipelines; ETL; data modeling; collaboration and mentoring.
Java, C#, Go, C++, Python, SQL, NoSQL, AWS, Azure, Google Cloud, ETL, Distributed Systems
1mo
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Senior Solutions Engineer
Redwood City, California, United States
$190k-$220k/yr HybridFull Time
5+ YOE5+ years in technical consulting or solutions engineering; strong Python, Golang, or Java; experience with TypeScript/JavaScript/React; OpenAPI 3.0 and API security familiarity; proven project estimation and delivery; distributed applications in on-site and cloud datacenters; CS fundamentals; interest in AI/NLP/LLM.
Python, Golang, Java, Typescript, Javascript, React, OpenAPI 3.0, API security, PyTorch, JAX, Transformers, GPT, LLAMA, MoE, gRPC, Kubernetes, GCP, Vertex AI
1mo
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Technical Lead - Software Developer, Data Foundry
San Francisco or San Diego or Boston or Louisville or Indianapolis
$152k-$244k/yr OnsiteFull Time
5+ YOE5–10+ years scientific software development; Python and another language; REST APIs, data pipelines, microservices; experience with scientific datasets.
Python, Java, C#, Go, TypeScript, Rust, SQL, REST APIs, Microservices, MLflow, Weights & Biases, Docker, Kubernetes, AWS, Azure, GCP, Prefect, Airflow, Nextflow, Postgres, Redshift, Snowflake, BigQuery, LIMS, ELN, Benchling, RDKit, Schrödinger, MOE, Git, Linux, Bash
2mo
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Software Development Engineer in Test (Application Pod)
Bengaluru or San Mateo
HybridFull Time
3+ YOE3+ years SDET/QA automation; strong Python, Go, JS/TS/Java; AWS, distributed systems, CI/CD; observability tooling; performance/chaos testing.
Python, Go, JavaScript, Typescript, Java, AWS (EC2, ECS, CloudWatch, Lambda, DynamoDB, S3), AWS OpenSearch/Elasticsearch, CI/CD (GitHub Actions), pytest, Postman, JMeter, Grafana, Prometheus, OpenSearch, Kubernetes, Kafka, SQS, S3, Lambda, DynamoDB, EC2
1mo
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Staff AI Engineer – Agentic AI and Automaton
San Francisco or Lehi or Plano
$195k-$244k/yr HybridFull Time
10+ YOE10+ years of experience building scalable backend/data/AI systems; strong Java/Spring Boot and/or Python; cloud-native architectures (AWS/GCP); data pipelines; AI/ML integration; leadership and mentoring.
Java, Spring Boot, Python, AWS, GCP, Kubernetes, Docker, PostgreSQL, React, Angular, Claude Code, GitHub Copilot, Cursor, Gemini
2mo
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Senior Developer
Santa Rosa, California, United States
$172k-$192k/yr OnsiteFull Time
5+ YOEBachelor’s degree in computer science or related field; 5 years software development/architect experience; API and integration tooling experience.
Java, .NET, Python, MS SQL Server, IBM DB2, Oracle, SOA, Microservices, SCRUM, WebMethods, MuleSoft, Tibco, API Gateway
1w
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Application Engineer
San Jose, California, United States
OnsiteFull Time
5+ YOEMaster or bachelor in engineering; 5+ years experience; Java/C++ and scripting; IC test/Applications experience; customer interaction; travel ~20%
Java, C, C++, Python, Perl, SmarTest
2mo
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IT Application Developer (AI-Driven IT Ops) Intern
Palo Alto, California, United States
$28-$60/hr OnsiteInternship
Master’s student or recent graduate; proficient in Python/Go/Node.js/Java; familiar with Next.js/Vue/React and TypeScript; knowledge of MySQL/PostgreSQL/NoSQL; experience with AI apps, RAG, or agent frameworks; strong English communication.
Python, Go, Node.js, Java, Next.js, Vue, React, TypeScript, MySQL, PostgreSQL, NoSQL, Git, LangChain, LlamaIndex, Autogen, Kubernetes, Docker, Prometheus, Grafana
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
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++
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
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
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
2w
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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
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
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
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.
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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Matterport - Senior Software Engineer
Sunnyvale, California, United States
$177k-$232k/yr HybridFull Time
8+ YOESenior software engineer with 8+ years in cloud SaaS, Kotlin/Java, SQL databases; strong problem solving, agile; mentor.
Kotlin, Python, Java, MySQL, PostgreSQL, Docker, Kubernetes, RabbitMQ, Kafka, Elasticsearch, React, Angular
4d
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Engineer I
Dublin, California, United States
OnsiteFull Time
5+ YOE5-8 years data engineering, Snowflake/Azure, Python/Java, SQL, ETL/ELT, Airflow/dbt, Agile, Retail domain preferred
Snowflake, Azure, Hive, Spark, Ctrl-M, Apache Airflow, dbt, MicroStrategy, Power BI, Python, Java, SQL
6d
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Staff Engineer
Seattle or Oakland
$184k-$225k/yr HybridFull Time
Lead design and implementation of a robust, scalable data platform; expert in data engineering and cloud ecosystems; strong Python/Scala/Java; mentor and guide engineers.
Python, Scala, Java, AWS, GCP, Azure, dbt, Spark, Airflow, Dagster, Snowflake, BigQuery, Databricks, Kafka
1mo
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Software Engineer Associate
Tiburon, California, United States
$75k-$83k/yr OnsiteFull Time
0+ YOEBS in Computer Science or relevant work experience; proficiency in C#, Java, Javascript, Golang, Python, and CSS; US work authorization without employer sponsorship.
1w
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Senior Software Engineer, Backend
San Francisco, California, United States
$170k-$220k/yr HybridFull Time
Sleeper: Mobile platform for fantasy sports leagues and fan communities.
5+ YOE5+ years backend software engineering; distributed systems; proficient in Go, Python, Node.js, or Java; SQL/NoSQL databases; caching; message queues; RESTful/GraphQL APIs; cloud (AWS/GCP); containers (Docker); orchestration (Kubernetes a plus); strong collaboration and communication; Elixir (Bonus); passion for sports/gaming.
Go, Python, Node.js, Java, SQL, NoSQL, Kafka, RabbitMQ, Pub/Sub, REST, GraphQL, AWS, GCP, Docker, Kubernetes, Elixir
1mo
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Software Engineer - Solutions
San Francisco or Illinois or New York or West Virginia
$70k-$110k/yr HybridFull Time
0+ YOEBachelor's degree in a technical field; hands-on web or mobile development; proficiency in at least one language; knowledge of databases and web tech; HIPAA awareness preferred.
Java, Python, C++, JavaScript, TypeScript, Git
3w
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Software Engineer II
San Francisco, California, United States
$151k-$227k/yr HybridFull Time
Backend software engineer responsible for designing, developing, and maintaining services and data processing pipelines.
Java, Scala, Python, Kubernetes, Docker, GitLab CI, Apache Spark
1w
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Senior Software Engineer, Streaming Platform
San Francisco, California, United States
$190k-$280k/yr HybridFull Time
5+ YOE5+ years in software engineering with distributed systems or real-time streaming; strong Python or Rust experience; Kafka/streaming tech; cloud experience.
Python, Rust, Go, Java, Kafka, Flink, Spark, Kubernetes, AWS, GCP, ClickHouse, Arrow, Materialize, RisingWave
2mo
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Vice President, Services Developer, AI Enablement
San Francisco, California, United States
$155k-$214k/yr OnsiteFull Time
Lead architecture and design of distributed systems; strong Java/JVM, Kubernetes, and AI-enabled backend experience; collaborate with product and research teams; drive architecture decisions.
Java, JVM, Spring Boot, REST, gRPC, Linux, Maven, Gradle, CI/CD, Kubernetes, Docker, AI/ML, Azure, Python
2mo
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Senior Staff Software Engineer, Infrastructure
San Francisco, California, United States
$207k-$362k/yr OnsiteFull Time
10+ YOE10+ years in software engineering; distributed systems; backend depth in Go/Java; experience influencing architecture; strong communication.
Go, Java, Python, Ruby, CI/CD, Docker
HiringCafe market data
Java Python Developer Jobs market signals in Vallejo, CA, US
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
550+
Hiring companies
210+
Fresh sample
44% new in 30d
Salary visibility
87% show pay
Companies appearing in this market
AdvantestRipplingRivianSalesforceAnthropicLam ResearchMSCIAdobe
Work location mix in visible results
Hybrid: 31Onsite: 28Remote: 2