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Python Test Software Developer Jobs in Deale, MD, US
150+ python test software developer jobs from 88 companies hiring in Deale, MD, US.
2mo
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Cloud Software Engineer
Annapolis Junction, Maryland, United States
$135k-$216k/yr OnsiteFull Time
5+ YOEFive+ years in software development; experience in requirements analysis, installation/integration, evaluation, enhancement, maintenance, testing, and problem diagnosis; active TS/SCI with poly; Bachelor's in CS or related field; DoD 8570 IAT Level I; relevant certifications.
Java, Database technologies, Linux, Docker, Kubernetes, Python, Ansible, MapReduce (Hadoop/Hive/Pig), MongoDB, Git, Terraform, Nginx, RHEL
6d
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PNT Flight Software Developer
Houston or Glen Burnie
$95k-$203k/yr OnsiteFull Time
5+ YOEMS or PhD in aerospace or related field; 5+ years; C/C++, Python; real-time software; GN&C hardware and sensors; SWIL/HWIL testing; Agile tools; Git.
C, C++, Python, Real-time software, GN&C hardware, IMU, Star Trackers, GPS, LIDAR, OpNav, JIRA, Git, Trick, Bash, GEONS, CSPICE, GMAT, Monte Carlo analysis
1mo
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Software Engineer (entry level)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Bachelor's degree in Computer Science or equivalent experience; US Citizenship; TS/SCI with Poly; experience with JavaScript, Node.js, Java, Python, Git, testing.
JavaScript, Node.js, Java, Python, Git, Jest, IDE, Spring Boot, Django, Virtualization, Streaming frameworks, Testing
1mo
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Security Software Engineer, Emerging On-prem AI infrastructure
Reston, Virginia, United States
$147k-$211k/yr OnsiteFull Time
2+ YOEBachelor’s degree or equivalent; 2+ yrs in software development (C/C++/Python); 2+ yrs in large-scale infra/distributed systems; 2+ yrs testing/launching software; TS/SCI clearance.
C++, C, Python, Security, Operating Systems, Networking
1w
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Automation Test Engineer (Active TS/SCI Required)
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI clearance, BS in CS/Engineering, 5+ years test automation, frameworks Selenium/Cypress/Playwright/TestNG/JUnit, Python/Java/JS/C#, Git, API testing, Agile, embedded/hardware, cloud (AWS/Azure/GCP), performance testing, ISTQB a plus.
Selenium, Cypress, Playwright, TestNG, JUnit, Python, Java, JavaScript, C#, Git, Postman, REST Assured, Jenkins, GitLab CI, Azure DevOps, JMeter, LoadRunner
1w
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Backend Software Engineer - HYBRID
Annapolis Junction, Maryland, United States
$144k-$147k/yr HybridFull Time
7+ YOEBachelor's in computer science or related field plus seven years of software engineering experience in similar programs; experience with test procedures, technical documentation, Agile, AWS; proficient with Java, C++, or Python, Git, SQL/PostgreSQL, Jira/Confluence.
Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services, Jira, Confluence
2w
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Automated Testing Software Engineer (mid-level)
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
5+ YOE5-8 years of professional software development and automated testing experience; on-site at Dahlgren, VA; DoD/Secret clearance required.
Python, C++, Git, GitLab, Docker, Jenkins, RedHat Linux, Rust, Automated testing frameworks
1mo
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Senior Test Engineer
Fort Meade, Maryland, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEPlan, execute, and evaluate system tests across hardware, software, networking, virtualization, and cloud environments; DoD testing experience; Python and Linux skills.
Python, Linux, Suricata, Snort, Selenium, JUnit, TestNG, Java, JavaScript
2mo
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Software Engineer Level 1 - 3 TS/SCI/FS Poly ONLY
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOETS/SCI/Full Scope Poly clearance required; bachelor’s degree with 8+ years of experience (or 12 years without a degree); proficiency in C/C++/Java/Perl/Python; strong software development and testing skills.
C, C++, Java, Perl, Python
2mo
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Signals Software Engineer (RC-3)
Annapolis Junction, Maryland, United States
$210k-$250k/yr OnsiteFull Time
12+ YOEExperience with C++, Java, Linux; RF signal processing; software design and testing; leadership of software teams; TS/SCI with polygraph clearance.
C++, Java, Linux, Jenkins, Bamboo, Docker, Kubernetes, Python, Git, Clearquest, Trac, Subversion, Matlab, Simulink, GNU, REDHAWK, SCA
2mo
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Associate Software Engineer
Arlington or Mount Laurel
$72k-$114k/yr OnsiteMultiple Commitments Available
0+ YOE0-1 years of experience; BS in CS/CE/EE/Physics/Math or equivalent; ability to travel up to 25%; strong Java, JavaScript, Python or C++ skills; distributed systems knowledge; SDLC and OO programming familiarity; experience with Git/SVN; testing and configuration management.
Java, C++, Python, JavaScript, Linux, Git, SVN, Docker, Kubernetes, Openshift, React, Angular
2mo
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Sr. Software Engineer (AI Solutions)
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOEBachelor’s in CS or related field with 5+ years of progressive experience; proficient in Java or Python, Node/TypeScript; cloud-native architectures (AWS/Azure); containerized microservices; agent frameworks; strong testing and API design.
Java, Python, Node, TypeScript, AWS, Azure, microservices, containerization, agent frameworks
2mo
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O-RAN DU Test Engineer
Arlington, Virginia, United States
HybridFull Time
6+ YOEDesign, develop, and execute tests for O-RAN DU software and hardware; ensure conformance, interoperability, performance, and reliability; automate tests and support CI/CD.
Python, Shell, Kubernetes, Docker, Linux, CI/CD tools
1mo
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Principal Software I&T Engineer (Contract)
Arlington or Denver or Houston or Merritt Island
RemoteContract
15+ YOEEmbedded software, testing, and flight software development; 15+ years experience with B.S. or 12+ with M.S.; US citizenship; ability to obtain clearance; periodic travel.
C/C++, TCL, Python, Embedded software development and testing, RTOS, Device driver development, GNC algorithms, Software safety assurance, Test scripting, Simulators, HIL
2w
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Software Engineer (Journeymen - SME Level)
Bethesda, Maryland, United States
OnsiteFull Time
6+ YOEAgile DevOps focus; Java, Python, cloud (AWS/GCP/Azure); JUnit/Katalon; TS/SCI with Full Scope Poly; 6+ years experience (high school) or advanced degrees; strong testing and automation.
Java, Spring, Hibernate, JUnit, Katalon, AWS, Google Cloud, Azure, GitHub, Jenkins, Bash, Jira, Confluence
2mo
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Security Verification Test (SVT) Software Engineer - Mid -Senior Level - FULLY CLEARED with POLYGRAPH REQUIRED
Annapolis Junction or Fort Meade
$200k-$235k/yr OnsiteFull Time
14+ YOEMust be US citizen with TS/SCI clearance and polygraph; 14+ years experience; bachelor’s in engineering; strong Java, Python, C++, SQL; web services; able to work independently and in a team.
Java, Python, C++, SQL, Oracle, MongoDB, Jenkins, Web Services, JSON, XML, PowerShell
1mo
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SOFTWARE ENGINEER – Front End/Testing - 7+ yrs of Experience - TS/SCI w/Poly clearance is required- RC
Columbia, Maryland, United States
$186k-$192k/yr OnsiteFull Time
6+ YOEFront-end UI testing/development; experience with UI test scripts (Robot Framework, Python/React/Java/C++); BS in CS or 11+ years SWE; TS/SCI with poly clearance.
Robot Framework, React, Java, C++, Python
2d
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Software Quality Assurance Engineer
Chantilly, Virginia, United States
$132k-$290k/yr OnsiteFull Time
7+ YOETS/SCI with poly, 7+ years QA engineering, automated testing, Windows/Linux, test scripts, agile
Selenium, Jira, Confluence, Python, Java, test automation framework
1w
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Junior/Mid Full Stack Software Engineer
Bethesda, Maryland, United States
RemoteFull Time
1+ YOE1–4 years experience; strong Python; React/Next.js; APIs (GraphQL/REST); Docker; Linux; authentication; automated testing; full-stack exposure.
Python, React, Next.js, GraphQL, REST, Docker, Linux, Selenium, Testing frameworks
1mo
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1644 - Software Integration Engineer
Patuxent River Naval Air Station, Maryland, United States
$90k-$120k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
2+ YOE2-5 years experience in installing, testing, configuring, upgrading, and supporting COTS/GOTS; SRE familiarity; Linux; IaC; containerization; Git; scripting; US citizenship; active Secret clearance or higher.
RHEL, JAVA, Python, Bash Scripting, Docker, Hypervisors
2mo
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Lead Software Engineer –Hybrid NYC
New York City or Baltimore
HybridFull Time
8+ YOE8+ years in object-oriented languages; cloud-native solutions on AWS/Azure; leadership of engineering teams; strong communication; CI/CD and automated testing; focus on AI/ML platforms.
Java, Python, JavaScript, AWS, Azure, Docker, Kubernetes, CI/CD, AI frameworks
3w
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Software Architect
McLean, Virginia, United States
OnsiteFull Time
8+ YOE8-10 years in software development with DevSecOps experience; design, develop, deploy microservices; strong CI/CD and test automation.
AWS, Kubernetes, Docker, CI/CD, Git, Jenkins, GitHub, GitLab, CircleCI, TravisCI, Terraform, Java, Python
3mo
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Eng Sr Prin II - Test
Annapolis Junction, Maryland, United States
$150k-$254k/yr OnsiteFull Time
8+ YOEMust have strong Java experience; multi-language experience (Java/JEE, Python, C/C++); web services, databases, JSON/XML; cryptography basics; Windows/Linux; strong SDLC practices.
Java, Python, C/C++, SQL, SOAP, WSDL, WADL, Perl, PowerShell, VBScript, Eclipse, PostgreSQL, Oracle, Jenkins, JSON, HTML, XML, XSLT, Cryptography, Windows, Linux, Web Services
1w
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Principal Integration & Test Engineer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in EE/CE/CS or related field; 9+ years in embedded systems integration and test; strong hardware/software debugging; experience with avionics or aerospace hardware.
C/C++, Python, FPGA, Lab instrumentation
2mo
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Security Verification Test Engineer | Annapolis Junction, MD (FS Poly Required)
Annapolis Junction, Maryland, United States
OnsiteFull Time
8+ YOEMid-level SVT software engineer with Java, scripting, and web services experience; FS poly clearance required; Bachelor's degree and 8+ years preferred.
Java, JEE, Python, C, C++, SQL, SOAP, WSDL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins, JSON, HTML, XML, XSLT
3mo
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Security Verification Test (SVT) Engineer - TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$150k-$220k/yr OnsiteFull Time
8+ YOEExperienced software engineer with Java and multiple languages; strong web services, cryptography knowledge, and agile/DevOps experience.
Java, Python, C/C++, SQL, SOAP, WSDL, XML, JSON, Jenkins, Eclipse, Postgres, Oracle, PowerShell, JUnit
2w
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Test Engineering Leader - Evinova
Gaithersburg, Maryland, United States
$166k-$217k/yr HybridFull Time
10+ YOE10+ years in software test engineering; lead testing strategy; automation focus; AI/ML testing preferred; GxP experience a plus; strong REST API, CI/CD, and data validation.
Playwright, Selenium, Cypress, Python, REST API testing, PostgreSQL, MongoDB
3w
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Senior Software Development Engineer L4
Bowie or Bowie Government Office
$85k-$170k/yr OnsiteFull Time
5+ YOE5+ years software development; strong C# and MS SQL; testing/architecture experience; AWS interest; independent contributor; strong collaboration.
C#, MS SQL Server, Python, Lua, AWS
1mo
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Software Tester / QA Engineer (Web & API Testing)
Chantilly, Virginia, United States
$160k-$190k/yr OnsiteFull Time
3+ YOE3+ years in software testing; strong web and REST API testing; API tools; test automation; JavaScript/Python/Java; Agile/Scrum.
Postman, Swagger, Cypress, Git, JavaScript, Python, Java, JSON
1mo
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System Test Intern
Edgewood, Maryland, United States
$15-$35/hr OnsiteInternship
0+ YOEUndergrad in process or completed; 0 years experience; familiar with Windows, Linux, virtualization, and Python.
Windows, Linux, Python, Virtualization
2mo
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Software Tester
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOEActive TS/SCI with a polygraph; associate or bachelor in CS/cyber security/engineering/mathematics; 8 years of experience; automated test scripting in Python/Bash/Java/JavaScript; functional and regression testing; UNIX/Windows; JIRA; customer and stakeholder interaction.
Python, Bash, Java, JavaScript, Selenium, JIRA, Unix, Windows
2w
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Cleared Embedded Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Embedded software design, development, testing; TS/SCI with Full Scope Polygraph required.
C/C++, Python, RTOS, VxWorks, uC/OS, Windows, Linux
1mo
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Software QA Lead
Arlington, Virginia, United States
$145k-$185k/yr OnsiteFull Time
4+ YOE2+ MgmtBachelor’s degree; 4+ years software engineering; 2+ years leadership in QA; diverse testing methodologies; SDLC knowledge; test automation; CI/CD; strong communication.
Python, pytest, C++, GoogleTest, Selenium, CI/CD, DevOps tools
3mo
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CNO Automated Test Engineer (Active TS/SCI with Poly/NEW HIRE SIGN-ON BONUS UP TO $30,000) (Open))
Hanover, Maryland, United States
$183k-$247k/yr OnsiteFull Time
15+ YOE15+ years of related experience; US citizenship required; active Top Secret/SCI with Poly clearance; on-site location in Hanover, MD.
Unix, Linux, VxWorks, Python, Shell, Confluence, Git, C/C++
4w
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Senior Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...
Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git
1mo
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Modernization Engineer (Mid-level)
Manassas, Virginia, United States
OnsiteFull Time
Software engineer with Rust, C/C++, Docker/Kubernetes, CI/CD, Terraform/Pulumi, Kafka/Redpanda, Python; focus on modernization, reliability, testing, and performance.
C/C++, Rust, Kafka/Redpanda, Docker, Kubernetes, Terraform, Pulumi, Python
3mo
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Eng Sr Prin II - Test
Annapolis Junction, Maryland, United States
$150k-$254k/yr OnsiteFull Time
10+ YOEJava expertise; broad experience with Java/JEE, Python, C/C++, SQL, SOAP/WSDL; UI development; cryptography knowledge; Windows/Linux; web services; strong software principles; effective communication; independent thinker.
Java, Python, C/C++, SQL, SOAP/WSDL, PERL, PowerShell, Eclipse, Postgres, Oracle, Jenkins, JSON, HTML, XML, XSLT
2w
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Software Quality Assurance Lead
Arlington, Virginia, United States
$130k-$217k/yr OnsiteFull Time
4+ YOE2+ MgmtSenior QA lead with 4+ years software engineering/testing, 2+ years leadership; strong testing methodologies; SDLC/DevOps; TS/SCI clearance eligibility.
Python, pytest, C++, GoogleTest, Selenium, CI/CD, DevOps
4w
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Principal Engineer - Agentic AI Applications
Washington, District of Columbia, United States
$168k-$230k/yr HybridFull Time
12+ YOE12+ years software engineering; 4+ years in technical leadership; production experience with LLM-powered or agentic systems; Python backend expertise; strong observability, architecture, and testing skills
Python, LangGraph, AutoGen, CrewAI, TypeScript, Node.js, RAG pipelines, vector databases, tool-calling APIs, multi-step reasoning
1mo
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UI/UX Front-End Development Engineer
Bethesda, Maryland, United States
$125k-$220k/yr HybridFull Time
4+ YOEDevelop web apps using ReactJS and Python; implement UIs, perform testing; work in Agile; TS/SCI clearance required.
ReactJS, Python, HTML, CSS, JavaScript, Docker, Podman, HTTP, JSON, Elasticsearch, NoSQL
HiringCafe market data
Python Test Software Developer Jobs market signals in Deale, MD, 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
150+
Hiring companies
88
Fresh sample
38% new in 30d
Salary visibility
69% show pay
Companies appearing in this market
CACIGoogleT. Rowe PriceBAE SystemsFalls TechnologyPeratonRed Arch SolutionsSteampunk
Work location mix in visible results
Onsite: 40Hybrid: 10Remote: 2