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Python Test Software Developer Jobs in Thurmont, MD, US
77 python test software developer jobs from 53 companies hiring in Thurmont, MD, US.
2mo
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CNO Python Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
7+ YOETS/SCI w/ Poly required; 7+ years of programming with BS or 11+ years with HS; Python, JSON/YAML, OOP, version control; experience in CNO context and testing.
Python, JSON, YAML, Git, Subversion, Confluence, Jira
17h
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Software Test Engineer
Germantown, Maryland, United States
$56k-$74k/yr HybridFull Time
0+ YOEEntry-level software test engineer with embedded systems knowledge and willingness to learn; strong communication and collaboration.
Python, C, C++, Windows, Linux, IBM ELM
1mo
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Embedded Software Test Engineer I
New Freedom, Pennsylvania, United States
$75k-$103k/yr OnsiteFull Time
2+ YOE2+ years in software development/testing; experience in embedded systems; C/C++, Python; hardware test tools; US citizen or permanent resident.
C, C++, Python, oscilloscopes, logic analyzers, JTAG
1d
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Software Developer in Test (SDET)
Ashburn, Virginia, United States
RemoteFull Time
10+ YOEStrong programming in C#, Java, or Python; experience in software testing; familiar with SDLC/Agile; US citizenship and Public Trust clearance; remote work.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, JIRA, SQL, JMeter, Gatling
2mo
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Test Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr HybridFull Time
1+ YOEExperience with automated testing, Python development, DevOps, and CI/CD; TS/SCI clearance with polygraph.
Python, PyTest, unittest, nose2, doctest, Robot, tox, hypothesis, CI/CD, Splunk, Jenkins
6d
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Mission Systems Software Test Engineer II
Reston, Virginia, United States
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
BS in engineering or physics; software testing experience; space systems knowledge; programming in Python/Golang/Rust/C++ ; cloud experience; strong communication.
AWS, Azure, Confluence, JIRA, Git, Python, Golang, Rust, C++
1mo
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Software Development Engineer In Test (SDET)
Baltimore, Maryland, United States
$105k-$125k/yr HybridFull Time
3+ YOEBachelor's in CS/IT or related field; 3+ years in QA/SDET; AI-assisted testing experience; manual testing; Python; Playwright; CI/CD; Agile collaboration.
Python, Playwright, Robot Framework, GitHub Copilot, ChatGPT, Claude, Selenium, Cypress, CI/CD
1mo
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Test Engineer
Tysons, Virginia, United States
$82k-$153k/yr OnsiteFull Time
3+ YOE3-5 years as Test/QA Engineer; Bachelor's in CS/SE; automation testing; Selenium; Java/Python; Linux; SQL/NoSQL; API testing; Agile.
Selenium, Java, Python, Linux, SQL, NoSQL, Postman, JMeter, LoadRunner
3w
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Principal / Principal/ Sr. Principal Cyber Software Test Engineer
Chantilly, Virginia, United States
$104k-$155k/yr OnsiteFull Time
5+ YOEActive Secret clearance; Bachelor’s degree with 5+ years (or Master’s with 3+ years; PhD with 1 year) in relevant field; experience in software/hardware testing; ability to translate requirements into test plans; strong communication.
Python, JavaScript, UNIX, Linux, Windows, Android, Microsoft Azure DevOps, Jira, SmartBear TestComplete
1w
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Software Test Engineer Level 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
14+ YOEActive TS/SCI with poly; 14+ years SWE experience; BS in Computer Science or related; 4 years' substitute experience; strong test, automation, Linux, and systems integration knowledge.
Linux, Python, CI/CD, JIRA, Git, Docker, ESB, CORBA, JBuilder, Eclipse, NOSQL, RabbitMQ, MongoDB, Google Protocol Buffers, gRPC, NoSQL
3w
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Autonomy Test and Evaluation Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
5+ YOEBS in software engineering/CS or related field; 5+ years software development; full lifecycle; autonomous systems/robotics/simulation experience; V&V/M&S tools; strong teamwork and communication; eligible for interim Secret clearance.
Python, C++, ROS, Gazebo, Unity, Machine Learning, Data Analysis
2w
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Software Engineer 2 (Test Engineer)
Annapolis Junction, Maryland, United States
OnsiteFull Time
5+ YOE5+ years software engineering; 2 years in SIGINT/IA/IT; BS in computer engineering or computer science (4 years experience may substitute); active security clearance with polygraph.
REST, JSON, XML, Groovy, Perl, Python, Ruby, Java, Git, SVN, CVS, SQL, Selenium, SoapUI, JUnit, JRunner
1mo
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Software Engineer Integration & Test
Herndon or King of Prussia or Littleton or Sunnyvale
$77k-$135k/yr OnsiteFull Time
Active TS/SCI clearance; strong programming/scripting skills; experience with CI/CD and cloud; excellent communication and detail orientation.
Bash, Python, GitLab, Atlassian tools, CI/CD, AWS
1mo
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Senior Software Engineer
Waltham or Lexington or North Bethesda
$119k-$155k/yr HybridFull Time
6+ YOE6+ years in software development; full-stack experience; Python backend; React/Typescript; AWS; SQL and MongoDB; Docker/Kubernetes; strong debugging and testing.
Python, React, Typescript, HTML, CSS, AWS, SQL, MongoDB, Docker, Kubernetes
1mo
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Software Engineer, Senior
McLean, Virginia, United States
$130k-$196k/yr OnsiteFull Time
5+ YOESenior Software Engineer with 5-7 years in production software, Python/Java, data engineering, AWS, Spark, Snowflake, and ETL pipelines. Strong design and testing skills.
AWS, AWS EMR, Snowflake, Apache Spark, Java, Python, ETL/ELT
2mo
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ME00533-Security Verification Test (SVT) Software Engineer
Annapolis Junction, Maryland, United States
$160k-$235k/yr OnsiteFull Time
Active Top Secret/SCI with NSA Full Scope Polygraph; strong Java experience; multi-language skills (Java/JEE, Python, C/C++, SQL, scripting); web services and UI exposure; cryptographic tech knowledge; Windows/Linux proficiency; strong communication and independent work capability.
Java, Python, C/C++, SQL, SOAP, WSDL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins, JSON, XML, XSLT, Cryptography
1w
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Software Signals Engineer
El Segundo or McLean
$69k-$158k/yr OnsiteFull Time
3+ YOE3+ years in signal processing/DS/software development; RF testing; Python/C/C++; Agile tools; TS/SCI; BS in CS/CE/EE/STEM
Python, C, C++, Jira, Confluence, GitHub, Linux
1mo
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Software Development Engineer (US Federal)
McLean, Virginia, United States
$137k-$205k/yr HybridFull Time
8+ YOE8+ years software development experience; Python, Go, Ruby; Bachelor's in CS/Engineering or equivalent; API development; testing; OO design; mentorship; technical writing.
Python, Go, Ruby, APIs
3w
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Software Engineer (mobile)
Chantilly or McLean
HybridFull Time
Experience with Agile; development, maintenance, and testing of applications; enterprise SecDevOps tools (GitHub, Jenkins); independent testing throughout lifecycle; maintenance of existing infrastructure; development in Ruby, Java, JavaScript, TypeScript, HTML, C/Objective C, R, Python; ensure unit/integration/UAT testing and system changes; mobil...
GitHub, Jenkins, Ruby, Java, JavaScript, TypeScript, HTML, C, Objective C, R, Python, XCode, Swift, SwiftUI
2mo
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Software Engineer
Baltimore, Maryland, United States
$85k-$130k/yr HybridFull Time
Campbell & Company: A systematic investment manager specializing in quantitative multi-strategy portfolios.
3+ YOE3+ years in C#/.NET development; SQL Server/Oracle experience; CI/CD and testing; strong communication and problem-solving.
C#, NET, Python, ASP.NET, SQL Server, Oracle, CI/CD, Testing Frameworks
2w
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Software Engineer-7975
Reston, Virginia, United States
HybridFull Time
2+ YOEBachelor's degree in Computer Science or Engineering and 2 years' experience with Python/Scala/SQL, Databricks; AWS (IAM, S3, Airflow, Athena); Big Data (Spark, Presto, Snowflake); Linux; ML model development and A/B testing.
Python, Scala, SQL, Databricks, AWS, IAM, S3, Airflow, Athena, Spark, Presto, Snowflake, Linux, LightGBM
5d
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CNO Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Proficient in C/C++, Python, and Assembly; OS internals; network programming; debugging; testing frameworks; team collaboration; willingness to lead and mentor.
C, C++, Python, Assembly, Windows, Linux, Android, iOS, Embedded, Ghidra, IDA Pro, Binary Ninja, Radare2, Git, Svn, GoogleTest, CMock, Catch2, pytest, WinDBG, gdb, lldb, adb, OllyDbg, MsBuild, CMake, make, ninja, wheel, tox, Valgrind, clang-tidy, pylint, black, Docker, Ansible, CI/CD, Atlassian, GitLab, CircleCI, Jenkins
2w
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Software Engineer SWE2 - 26010
Hanover, Maryland, United States
OnsiteFull Time
Front-end and back-end development across JavaScript/TypeScript, React, Node.js, Rust, Python; microservices; cloud tooling; testing; data stores; messaging; and security labels.
JavaScript, TypeScript, React, Node.js, Rust, Python, Shell scripting, Kubernetes, Helm, Microservices, Service mesh, Load balancing, Terraform, Ansible, Salt, WebSockets, Grafana, InfluxDB, Elasticsearch, Redis, MySQL, Apache Superset, RabbitMQ, Kafka, Neo4j
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
1mo
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Software Developer (Automation & Distributed Integration Systems)
Ashburn, Virginia, United States
$115k-$117k/yr HybridFull Time
5+ YOE5+ years software testing and test automation; strong C#/.NET Core; experience with backend services, APIs, distributed systems; CI/CD; test frameworks.
C#, NET Core, PowerShell, Python, HTTP/REST, TCP/IP, Sockets, xUnit, NUnit, MSTest, Git, CI/CD, Postman, Newman, RestAssured, Docker
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
1mo
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Senior Software Automation Testing Engineer
Ashburn, Virginia, United States
$85k-$100k/yr HybridFull Time
5+ YOE5+ years in software testing; strong Python 3.8+; web frameworks (FastAPI, Django, Flask); REST API testing; AWS; automation; SQL; Git/Jenkins/Harness; Locust.
Python, FastAPI, Django, Flask, pytest, unittest, Locust, Gitlab, Harness, Jenkins, Oracle, Postgres, SQL, AWS
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
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
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
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
3w
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Test Engineer
Hanover or United States
$94k-$198k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph; BA/BS in computer engineering or related; 5+ years software engineering; 2+ years in SIGINT/IA/IT; 4 years with no degree accepted for 9 total years of experience.
Behave!, SoapUI, JUnit, JRunner, Groovy, Python, Perl, Ruby, Go, SQL, Git, SVN, CVS
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
1w
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Software Engineer - Core Platform
Ashburn, Virginia, United States
$110k-$130k/yr RemoteFull Time
4+ YOE4+ years in software development; strong Java expertise; experience with SQL/NoSQL; AWS, Spark, Snowflake, DynamoDB; Git and CI/CD; proficient in Scala, Python or R; adept at data processing and testing.
Java, Scala, Python, R, SQL, NoSQL, MySQL, AWS, Spark, Snowflake, DynamoDB, CartoDB, Git, GitHub Actions, REST, JSON, XML
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
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
HiringCafe market data
Python Test Software Developer Jobs market signals in Thurmont, 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
77
Hiring companies
53
Fresh sample
48% new in 30d
Salary visibility
68% show pay
Companies appearing in this market
Booz Allen HamiltonFreddie MacGoogleSyms Strategic GroupT. Rowe PriceCACIManTechPeraton
Work location mix in visible results
Onsite: 35Hybrid: 16Remote: 5