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Python Test Software Developer Jobs in South Bel Air, MD, US
80 python test software developer jobs from 52 companies hiring in South Bel Air, MD, US.
6d
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CNO Python Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
7+ YOEBachelor’s in CS or related field with 7 years programming, or 11 years experience; Python; Docker; Kubernetes; Ansible; CI/CD; Windows and Linux; security clearance TS/SCI w/ Poly; experience with SQL/NoSQL; software testing and deployment.
Python, Docker, Kubernetes, Ansible, CI/CD, VMware, Java, SQL, NoSQL, Git, Subversion, Confluence, Jira, Crucible
2mo
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Senior Software Test Engineer (onsite)
New Freedom, Pennsylvania, United States
$80k-$110k/yr OnsiteFull Time
5+ YOESenior Software Test Engineer with 5+ years in software development and testing; 4+ years manual testing (preferably automated); proficient in C/C++, Python; hardware testing with oscilloscopes, logic analyzers, and JTAG; experience leading testing for embedded systems; US citizen or permanent resident.
C, C++, Python, Oscilloscopes, Logic Analyzers, JTAG
2w
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Software Engineer - Python
Annapolis Junction, Maryland, United States
OnsiteFull Time
Develop Python/FastAPI middleware; build pipelines; implement REST API; ensure testing; participate in Agile sprints; documentation.
Python, FastAPI, REST API, Git, Agile, DevSecOps, Axway, Windows NAS, SQL, UAT
1w
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Software Test Engineer
Annapolis Junction, Maryland, United States
$159k-$204k/yr OnsiteFull Time
5+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; Technical Bachelor’s degree with 5 years’ relevant experience, or High School diploma with 9 years’ relevant experience; strong testing background in manual and automated QA.
Behave, SoapUI, Selenium, JUnit, JRunner, REST, JSON, XML, Groovy, Perl, Python, Ruby, Cron, Java, LDAP, PKI, Git, SVN, CVS, SQL
19h
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Software Developer in Test (SDET)
Annapolis, Maryland, United States
RemoteFull Time
10+ YOEStrong programming skills in C#, Java, or Python; extensive software testing experience; familiar with Agile/SDLC; remote; US security clearance.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, Git, Subversion, JIRA, Bugzilla, JMeter, Gatling, SQL, APIs, AWS, Azure
1mo
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Software Test Engineer - MDFM 1645
Fort Meade, Maryland, United States
OnsiteFull Time
3+ YOE3-5 years in test automation, FE/ integration testing; experience with CNO Tools, CI/CD, and containerization.
CNO Tools, Docker, VMware, Bash, Python, Java, C, Gitlab, Atlassian Bamboo
2w
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Test Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
1+ YOE1+ year automated testing, Python development, CI/CD, test case design, and experience with lab/DevOps environments.
Python, PyTest, unittest, nose2, doctest, Robot, tox, hypothesis, GIT, Splunk, Jenkins
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
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
3w
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Experienced Software Engineer Java / Python (Full Stack or Back End)
Wilmington, Delaware, United States
OnsiteFull Time
Experience in Java or Python; design, develop, test, and troubleshoot software; knowledge of SDLC, Agile, CI/CD, cloud, and data-driven approaches.
Java, Python, CI/CD, Cloud, SQL
1w
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Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Experience designing, developing, and testing software; Python/C/C++; Linux; APIs/IPC; Git; debugging/integration; TS/SCI clearance.
Python, C/C++, Linux, Sockets, ZMQ, NATS, Git, Docker
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; Bachelor's degree or higher in computer engineering or computer science; polygraph security clearance.
Behave!, SoapUI, Selenium, JUnit, JRunner, JSON, XML, Groovy, Perl, Python, Ruby, Git, SVN, CVS, REST, Cron
2mo
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Associate Electrical Software Test Engineer
Lanham, Maryland, United States
OnsiteFull Time
1+ YOEBachelor's in engineering; 1-3 years in electrical/software testing; C/C++, Python; testing tools; Git; Linux/Windows; good communication.
C/C++, Python, Git, MATLAB, Simulink, Speedgoat, dSPACE, Oscilloscopes, Logic analyzers, Multimeters, DC power supplies, Linux, Windows
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
1w
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Senior Lead Software Engineer - Python/PySpark/AWS/AI
Wilmington or Plano
OnsiteFull Time
5+ YOE5+ years of applying software engineering with hands-on design, development, testing, and operations.
Python, PySpark, AWS, Databricks, Snowflake, ETL, datapipelines
1mo
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Manuel Test Engineer
Annapolis Junction, Maryland, United States
$150k-$240k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance with Polygraph; 8+ years of relevant experience; full SDLC testing; experience with formal test events; collaboration with developers; lab testing with physical equipment; strong communication.
Automated testing tools, Java, Shell, Python
4w
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RF Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Experience in RF software design, development, and testing; proficient in C++, Python, MATLAB; DSP experience; ability to obtain US security clearance with polygraph.
C++, Python, MATLAB, Simulink, LabVIEW
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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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
4+ YOEBachelor’s degree in Computer Science; 4+ years software development; experience with Java, Python, C#; CI/CD tools like Jenkins, GitLab, TeamCity; software design, testing, and automation.
Java, Python, C#, CI/CD, Version Control, Bug Tracking, Automation Frameworks
1w
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Automated Test Engineer
Annapolis Junction, Maryland, United States
$134k-$241k/yr OnsiteFull Time
7+ YOESeven or more years in automated testing; BS in systems engineering, CS, cybersecurity, IS or related; cloud AWS in classified env; TS/SCI with poly required; Python scripting; experience with SVN/GIT and JIRA; strong documentation and agile experience.
Python, SVN, GIT, JIRA, Cloud (AWS)
3w
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Software Engineer, Level 3 (FORECASTED)
Fort Meade, Maryland, United States
OnsiteFull Time
Lead software development, provide technical leadership, design, develop, test, and maintain complex software; SDLC/Agile, SQL, architecture, and team leadership.
Java, Python, C, C++, SQL, Spring, Hibernate, Jenkins, CI/CD, Docker, Kubernetes, OpenShift, Kibana, Grafana, Nagios, Shell, Bash
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
3w
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Aerospace Flight Software Engineer (cFS)
Greenbelt, Maryland, United States
OnsiteFull Time
15+ YOEDevelop, test, and integrate flight software; write cFS apps; work with C, Python, Ruby; 15+ years experience; BS in a related field.
C, Python, Ruby, COSMOS
4d
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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
1mo
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Senior Software Developer (Hybrid)
Annapolis Junction, Maryland, United States
HybridFull Time
9+ YOEProficiency in OOP with Python or Java (~9 years); at least one language required, with experience in the other; reverse engineering or LLM app development skills preferred; testing and RPC familiarity a plus.
Python, Java, IDA, Ghidra, Langchain, LangGraph, LangSmith, vector databases, gRPC, JUnit, Pytest, ARM, PPC
1w
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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
1mo
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Flight Test Engineer
Coatesville, Pennsylvania, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years in VTOL/system development; experience with mechanical/electrical testing; Python and design software proficiency; bachelor’s in engineering; ability to obtain security clearance.
Python, Microsoft Office, Engineering design software
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
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
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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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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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
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
HiringCafe market data
Python Test Software Developer Jobs market signals in South Bel Air, 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
80
Hiring companies
52
Fresh sample
52% new in 30d
Salary visibility
53% show pay
Companies appearing in this market
Booz Allen HamiltonJPMorgan ChaseManTechMomentum EngineeringNavstarAST SpaceMobileCACIIndependent Software
Work location mix in visible results
Onsite: 48Hybrid: 10Remote: 2