5,818 software engineer 4 jobs at 1,851 companies in United States
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Software Engineer 4
United States or Canada or United Kingdom or India or Armenia or Australia or New Zealand
RemoteFull Time
Experienced software engineer with strong SaaS engineering skills, AI-assisted development, test-driven practices, and full-stack experience across backend, frontend, databases, and CI/CD.
Ruby, Rails, PHP, REST, GraphQL, Playwright, HAML, React.js, jQuery, CoffeeScript, Bootstrap, WebSocket, RSpec, Cucumber, FactoryGirl, Postman, PostgreSQL, MySQL, MongoDB, DynamoDB, GitLab, GitHub, AWS, Docker, Kubernetes, Cursor, Microsoft Teams
2mo
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Software Developer 4
United States
$100k-$235k/yr OnsiteFull Time
6+ YOE6+ years software engineering experience as an individual contributor to define, design, develop and debug software applications or operating systems; US hiring range $99,600–$234,600; visa sponsorship not available.
1w
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Software Engineer (Level 4) - AHT
Redondo Beach, California, United States
$142k-$213k/yr OnsiteFull Time
4+ YOEActive U.S. Top Secret clearance, 4+ years software engineering experience (varies by degree), strong Java or Python skills, containerization (Docker), Apache Kafka, Linux, cloud and CI/build tool experience.
Java, Python, Docker, Apache Kafka, Linux, Maven, Gradle, CMake, Git, JUnit, pytest, GoogleTest, TestComplete, Kubernetes, OpenShift, AWS, Azure, GCP, Sonar, Fortify
1d
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Software Engineer Level 4
Fairborn, Ohio, United States
$125k-$139k/yr OnsiteFull Time
7+ YOE7+ years of software engineering experience, strong Python and Git skills, containerized application experience, technical leadership, and a technical college degree; TS/SCI clearance preferred or obtainable.
Python, Git, Docker, Kubernetes, REST APIs, WSL, Linux, Scrum
1w
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Software Engineer 4
Bethesda, Maryland, United States
OnsiteFull Time
10+ YOEActive TS/SCI with CI polygraph ability, Bachelor's with 10+ years, strong Linux, containers and Kubernetes, CI/CD and GitLab, Elasticsearch/Logstash/Kibana, Kafka, and cross-functional engineering experience.
Kubernetes, Elasticsearch, Logstash, Kibana, Kafka, Helm, Helmfile, GitLab, Linux, Prometheus, Grafana, Python, Java, Bash, PowerShell, SALT, Groovy, Nexus, CI/CD
1w
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Software Engineer 4 - DevOps, CI/CD
Los Gatos, California, United States
$250k-$413k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience; proficiency in JavaScript/TypeScript or Java; experience with CI/CD tooling, GenAI systems, testing concepts, debugging, and on-call operations.
JavaScript, TypeScript, Java, GitHub Actions, Jenkins, CircleCI, Jest, Playwright, Mocha, Selenium, Cypress, Datadog, Honeycomb, Splunk, GraphQL, LLMs, RAG, Braintrust
1w
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Software Engineer Sys 4
Fremont, California, United States
$119k-$261k/yr HybridFull Time
3+ YOEDesign and develop embedded and application software for semiconductor equipment; 3+ years experience (PhD) or 6–8+ years depending on degree; knowledge of OOP, multithreading, and hardware communication protocols required.
C++, C#, Inter-Integrated Circuit (I2C), Service Provider Interface (SPI), Universal Asynchronous Receiver-Transmitter (UART)
2mo
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Software Engineer 4, AI-Native
United States
$88k-$158k/yr RemoteFull Time
Strong engineering fundamentals, production software ownership, experience directing coding agents and rigorous code review, eval-driven development, FedRAMP/SOC2/WCAG compliance familiarity.
Microsoft Teams, Headspace
2mo
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Software Engineer 4
Annapolis Junction or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii
$84-$138/hr OnsiteFull Time
11+ YOEUS citizen with position-appropriate clearance (TS/SCI with polygraph). Bachelor's in CS or related +11 years (or equivalent). Strong experience with Java, Python, JavaScript, shell scripting; devops and infrastructure management; security analysis experience.
Java, Python, JavaScript, shell scripting, Android, OSX, Selenium, AI
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Software Engineer 4
Annapolis Junction, Maryland, United States
$196k-$265k/yr OnsiteFull Time
15+ YOERequires BS degree, active Top Secret/SCI with Polygraph, U.S. citizenship, 15+ years related experience, proficiency with Splunk, Linux, Python, CI/CD, Ansible, GitLab CI, and Git.
CI/CD, Linux CLI, Python, Unix Shell, Splunk, Splunk SPL, Syslog-ng, rsyslog, Kafka, Ansible, GitLab CI, Git, JIRA, Confluence
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Software Engineer 4
Annapolis Junction, Maryland, United States
$196k-$265k/yr OnsiteFull Time
12+ YOEActive Top Secret/SCI with Polygraph and U.S. citizenship; Bachelor of Science; 12+ years related experience; proficiency with Python, Linux/Unix shell, Splunk (SPL), CI/CD, Ansible, Git/GitLab, Kafka, and log management tools; Shell/Perl scripting.
CI/CD, Linux, Linux CLI, Python (Programming Language), Unix Shell, Perl, Splunk, Splunk SPL, Syslog-ng, rsyslog, Kafka, Ansible, GitLab CI, Git, JIRA, Confluence
1w
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Software Engineer Sys 4
Fremont, California, United States
$119k-$261k/yr HybridFull Time
8+ YOEDegree in engineering or equivalent experience, 8+ years (B.S.) /6+ (M.S.)/3+ (PhD) experience, OOP/OOD, multithreading, embedded communications (I2C,SPI,UART), C++/C# experience preferred.
Object-Oriented Programming (OOP), C++, C#, I2C, SPI, UART
3mo
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Software Design Engineer/Game Developer 4
Orlando, Florida, United States
OnsiteFull Time
8+ YOE8+ years professional software engineering experience in real-time 3D/simulation/games, 3+ years with Unreal Engine 4/5, advanced C++, OOD, performance profiling, multi-threading, and GIT experience; U.S. citizenship and Secret clearance required.
Unreal Engine 4/5, Unreal Engine 5, C++, Windows, Linux, GIT, Kubernetes, Docker, Python, VMs, Cesium for Unreal, HLSL
3mo
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Software Design Engineer/Game Developer 4
Orlando, Florida, United States
OnsiteFull Time
8+ YOEBachelor's in a technical discipline or equivalent experience; 8+ years software engineering in real-time 3D/simulation/games; 3+ years Unreal Engine 4/5; advanced C++; experience with profiling, memory optimization, multithreading, and GIT; U.S. citizenship and secret clearance eligibility.
C++, Unreal Engine 5, Unreal Engine 4, Windows, Linux, GIT, Kubernetes, Docker, Python, Cesium for Unreal, HLSL
3w
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Software Development Engineer 4
San Jose or Seattle or San Francisco
$139k-$258k/yr OnsiteFull Time
3+ YOE3+ years shipping software, mobile development in Kotlin or Swift, TypeScript/JavaScript experience, strong debugging, multi-threading and memory management, CI/CD familiarity.
Kotlin, Swift, TypeScript, Javascript, MVC, MVVM, Lit, MobX, Web Components, CI/CD
1mo
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Software Development Engineer 4
Portland or San Francisco or Washington or Boston
$141k-$173k/yr OnsiteFull Time
Staff/lead level engineer with deep experience architecting autonomous/agentic AI systems, cross-platform architecture, security-by-design, CI/CD, cloud reliability, and mentoring senior engineers.
Helm Charts, Argo Workflows, CI/CD, LLMs
1d
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Engineer 4, Software Development
Philadelphia, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's degree preferred; 7–10 years of relevant experience; proficiency in C and Python; software design, system analysis, releases, performance metrics, QA collaboration, and mentoring experience.
C, Python, Operating Systems (OS)
1mo
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SaaS Software Engineer (4+ Years Experience)
Indianapolis, Indiana, United States
HybridFull Time
4+ YOEApproximately 4+ years professional software development experience; hands-on Python and modern web framework (preferably Django); React with TypeScript; REST APIs; PostgreSQL/relational DB; Docker, Git, CI/CD; cloud experience (preferably AWS).
Python, Django, React, TypeScript, JavaScript, HTML5, CSS3, REST APIs, PostgreSQL, SQL Server, AWS, Docker, GitHub, GitHub Actions, CI/CD, Terraform, CloudFormation, OAuth 2.0, OpenID Connect, SAML, Amazon Cognito, Auth0, Microsoft Entra ID
1d
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Software Engineer Stf - Level 4
Fort Worth, Texas, United States
$121k-$224k/yr OnsiteFull Time
5+ YOERequires 5+ years in Linux, scripting/software development, and configuration management, with Red Hat, Ansible, Python, Bash, revision control, and DevOps automation experience.
Linux, Red Hat Enterprise Linux, Palo Alto firewalls, Windows Server, Windows Client OS, Ansible, Python, Bash, Bitbucket, Git, GitLab, GitLab CI, SE Linux, IDM, FreeIPA, LDAP, Docker, Kubernetes, bootc, Terraform, ARM templates, Solaris 10, Red Hat OpenShift, Oracle Database, SQL
1mo
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Software Engineer, iOS, Level 4
Los Angeles or Santa Monica or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent, 2+ years post-Bachelor software development experience, iOS development experience, strong CS fundamentals, Objective-C/iOS expertise, multithreading and performance optimization skills.
Objective-C, Swift, C/C++, OpenGL, Metal
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