37 software security engineer jobs at 15 companies in Winters, CA
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Senior Software Engineer
Sacramento County, California, United States
$9k-$12k/mo HybridFull Time
Expert full-stack engineering experience with Python, AI/ML, data engineering, AWS, databases, secure SDLC, APIs, and modern front-end frameworks; strong communication and technical leadership skills required.
Artificial Intelligence (AI), Machine Learning (ML), Python, CrewAI, LangChain, LlamaIndex, FastAPI, React, Angular, AWS, Snowflake, Agentic AI, TypeScript, Node.js, NestJS, REST, GraphQL, OpenAPI, Swagger, SQL Server, PostgreSQL, Cosmos DB, MongoDB, Redis, Next.js, Vue, Amazon EC2, Amazon S3, AWS Lambda, Amazon RDS, Amazon API Gateway, AWS CloudFormation
3w
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DevOps & Software Quality Engineer
Santa Rosa, California, United States
$123k-$199k/yr OnsiteFull Time
2+ YOEBS/MS in software engineering preferred; 2+ years QA/SW toolchain/SW security experience; leadership in software quality, QA tooling, release/deployment and triage; strong communication and quantitative skills.
SAST, C#, Visual Studio
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Senior Software Engineer, Identity & Access Discovery
United States or Chicago or El Dorado Hills
RemoteFull Time
8+ YOERequires 8+ years of backend software development, strong Python, Java or Kotlin, distributed systems, APIs, data pipelines, Active Directory or LDAP, cloud IAM, security practices, and a bachelor's degree or equivalent.
Python, Java, Kotlin, TypeScript, React, Claude, ChatGPT, GitHub Copilot, Active Directory, LDAP, AWS IAM, AWS Organizations, Microsoft Entra ID, GCP IAM, FedRAMP
2mo
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Senior Software Engineer, Back-End (Payments)
United States or Santa Ana or San Francisco or Oakland or Berkeley or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France
$141k-$229k/yr HybridFull Time
6+ YOE6+ years engineering experience, deep C#/.NET backend skills, frontend experience with React/Svelte/TypeScript, payments/gateway and distributed-systems experience, observability and security mindset.
Stripe, PayPal, C#, .NET, React, Svelte, TypeScript, PostgreSQL, DynamoDB, Kafka, Kubernetes, AWS, Datadog
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Senior Staff Security Engineer
Berkeley, California, United States
$170k-$223k/yr OnsiteFull Time
10+ YOE10+ years cyber security experience; systems programming in C/C++/Rust; applied cryptography; hardware root-of-trust, secure boot, HSM/HSE/TPM integration; formal verification and threat modeling.
C, C++, Rust, Go, HSM, HSE, TPM, Delay-Disruption Tolerant Networking (DTN), Bundle Protocol, NERC CIP, NIST IR 7628, NIST SP 800-160
1mo
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Network Software Test Engineer III
Roseville, California, United States
$121k-$243k/yr HybridFull Time
4+ YOE4+ years in network QA or engineering, BS/MS in related field, strong Python and pytest automation skills, CI/CD and Git experience, networking protocol and security testing expertise, virtualization and testbed experience.
Python, pytest, CI/CD, Jenkins, GitHub Actions, Git, Wireshark, tcpdump, VMware, Docker, Kubernetes, GNS3, Mininet, EVE-NG, AI models, LLMs
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Network Software Test Engineer III
Roseville, California, United States
$121k-$243k/yr HybridFull Time
4+ YOE4+ years in network QA or engineering, BS/MS in related field preferred, strong Python and pytest automation skills, networking protocol and security testing experience, familiarity with CI/CD and AI/LLM-driven testing.
Python, pytest, CI/CD, Jenkins, GitHub Actions, Git, Wireshark, tcpdump, VMware, Docker, Kubernetes, GNS3, Mininet, EVE‑NG, AI models, LLMs
2w
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Member of Technical Staff: Research Software Engineer (0652) Job #88102 - BIDS
Berkeley, California, United States
$105k-$196k/yr OnsiteFull Time
Advanced Python and agentic AI/LLM coding experience; software engineering, GitHub, testing, CI/CD, secure development, project leadership, interdisciplinary collaboration, and a related bachelor's degree or equivalent experience.
Python, Claude, Codex, Git, GitHub Actions, GitHub, SLURM, Docker, Apptainer, Singularity, Kubernetes, Snakemake, CWL, Dask, Nextflow
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Network Software Test Engineer III
Roseville, California, United States
$121k-$243k/yr HybridFull Time
4+ YOE4+ years in network QA or security-focused testing, strong Python automation skills, networking protocol knowledge, security testing experience, familiarity with virtualization and network emulation, and BS/MS in a related field.
Python, pytest, Jenkins, GitHub Actions, Git, Wireshark, tcpdump, VMware, Docker, Kubernetes, GNS3, Mininet, EVE-NG, LLMs
3mo
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Senior Software Engineer - Salesforce
Oakland or Alpharetta or Rancho Cordova
HybridFull Time
4+ YOEBS in Computer Science; 4+ years Salesforce platform experience (Apex, LWC, Flows, Flow Orchestration, Sales Cloud); Health Cloud; Partner Portals/Experience Cloud; Data Cloud; Revenue Cloud; Agentforce; Salesforce Certifications (Platform Developer I/II, Administrator); API/integration experience; security/data modeling knowledge; agile experience...
Apex, Lightning Web Components, Salesforce Flows, Flow Orchestration, Sales Cloud, Health Cloud, Partner Portals, Experience Cloud, Data Cloud, Revenue Cloud, Agentforce, AI/LLMs, OpenAI, Anthropic, REST, SOAP, Platform Events, Git, Copado, Gearset, CI/CD
3w
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DevOps & Software Quality Engineer
Santa Rosa, California, United States
$123k-$199k/yr OnsiteFull Time
2+ YOEBS/MS in software engineering or related,2+ years QA/SW toolchain/SW security experience,software development knowledge,QA leadership,backlog/sprint management,excellent communication;C# and Visual Studio experience a plus.
SAST, Microsoft Visual Studio, C#
2w
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Open Source Research Software Engineer: User Interfaces (0652) Job#88093 - BIDS
Berkeley, California, United States
$102k-$190k/yr OnsiteFull Time
Bachelor's degree or equivalent experience; advanced Python and TypeScript; user-interface development, Git, testing, CI/CD, secure software development, open-source collaboration, complex data analysis, and technical communication.
Python, TypeScript, Git, GitHub Actions, GitHub, JupyterLab, Project Jupyter, R, Scientific Python
2w
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Member of Technical Staff: Research Software Engineer (0652) Job #88102 - BIDS
Berkeley, California, United States
$105k-$196k/yr OnsiteFull Time
Requires advanced Python, agentic AI and LLM coding-agent expertise, software development, Git, GitHub Actions, secure development, project leadership, communication, complex problem-solving, and a related bachelor's degree or equivalent experience.
Python, Claude, Codex, Git, GitHub Actions, GitHub, SLURM, Docker, Apptainer, Singularity, Kubernetes, Snakemake, CWL, Dask, Nextflow
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Open Source Research Software Engineer: Agentic AI (0652) Job #88097 - BIDS
Berkeley, California, United States
$105k-$196k/yr OnsiteFull Time
Advanced Python and agentic AI/LLM coding-agent experience required, plus Git, testing, CI/CD, secure software development, open-source collaboration, complex data analysis, communication, and a related bachelor's degree or equivalent.
Python, Claude, Codex, Git, GitHub Actions, GitHub, Jupyter, JupyterAI, R
1w
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Readiness, Response & Recovery Security AI Developer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$59k-$206k/yr FieldFull Time
3+ YOERequires 3+ years cybersecurity and data development, 4+ years client-facing consulting and tool building, 2+ years Azure, 4+ years Python, Power BI, Power Apps/Automate, SQL, or similar, and a relevant degree.
Python, Microsoft Power BI, Microsoft Azure, Power Apps, Power Automate, SQL, KQL, Sentinel Workbooks
3mo
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Senior Research Engineer - Voleon Securities
New York City or Berkeley
$225k-$310k/yr HybridFull Time
5+ YOE5+ years software engineering; backend/distributed systems; Python/Go/C++; databases and APIs; strong collaboration.
Python, Go, C++, PostgreSQL, MySQL, Cassandra, DynamoDB, SQLite, DuckDB, MongoDB, REST, gRPC
1mo
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Senior ServiceNOW Developer
Lakewood or Phoenix or Folsom or Billings
$135k-$155k/yr OnsiteFull Time
U.S. citizen able to pass federal background and obtain Public Trust; bachelor’s in CS/IT/engineering; proven ServiceNow development experience including scripting, integrations, Flow Designer, and secure practices.
ServiceNow, JavaScript, Flow Designer, IntegrationHub, REST, SOAP, MID Server, OAuth, JWT, ServiceNow SDK, Now Assist
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Machine Learning Engineer
Chicago or Washington or Tallahassee or Sarasota or Hartford or Nashville or Costa Mesa or San Jose or Atlanta or Boston or Burlington or Cleveland or Columbus or Dallas or Denver or Fort Lauderdale or Fort Wayne or Grand Rapids or Indianapolis or Knoxville or Lexington or Livingston or Plano or Louisville or Los Angeles or Miami or The Woodlands or New York City or Oakbrook Terrace or Sacramento or San Francisco or South Bend or Springfield or Tampa or Houston or Austin or Charlotte
$62k-$100k/yr OnsiteFull Time
Expert Python and Git skills; ability to develop, test, debug, and document production AI solutions, navigate ambiguity, communicate technical details, and support ethical and security reviews.
Python, Git, ChatGPT Enterprise, Microsoft Copilot, Azure AI Foundry
2w
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Senior Back End Developer (C#)
Berkeley, California, United States
RemoteFull Time
5+ YOE5+ years building C# web applications and backend APIs; architecture, microservices, legacy modernization, MS SQL, API design, testing, CI/CD, Git, secure coding, AI tools, and intermediate-plus English.
C#, .NET Core, .NET Framework 4.8, MS SQL Server, RabbitMQ, REST, GitHub Copilot, Cursor, Claude Code, ChatGPT, NUnit, xUnit, FluentAssertions, Moq, CI/CD, Git, LLM, RAG, MCP
2mo
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Senior Agentic Identity Security Manager
Irving or Milwaukee or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or Dallas
$80k-$294k/yr HybridFull Time
5+ YOE5+ years software engineering with Python, 3+ years OAuth 2.0/OIDC and agent framework experience, cloud/container/IaC/CI/CD expertise, Zero Trust/IGA/secrets management knowledge, MCP server experience, bachelor's degree or equivalent.
Python, OAuth 2.0, OIDC, DCR, PAR, token exchange, Claude Agent SDK, LangGraph, AutoGen, CrewAI, Semantic Kernel, MCP server, CyberArk, HashiCorp, AWS, GCP, Azure, Docker, Kubernetes, Terraform, CI/CD
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