100 jr software engineer jobs at 65 companies in United States

6d
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Jr. Software Engineer
Centennial or Colorado Springs or Tucson or Chantilly
$98k-$123k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Employee-owned defense providing digital signal processing products and services to U.S. defense and intelligence communities.
Bachelor's, Master's, or PhD in Computer Engineering or Computer Science; C++ and Python in Linux; software system design; U.S. citizenship; ability to obtain and maintain TS/SCI clearance.
C++, Python, Linux, Docker, Kubernetes, PIP, React, Git, REST API, CUDA, Shell Scripting, CI/CD, DevOps, Cloud computing, AI/ML, LLM
1w
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JR Software Engineer
Chantilly or Columbia or Beavercreek or King of Prussia or San Antonio or El Segundo or Clearfield
$78k-$115k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provider of science, technology, and engineering solutions.
0+ YOERequires active TS/SCI clearance with ability to obtain a CI polygraph, and a computer science, software engineering, or related qualification with 0–3 years of experience or equivalent experience.
3w
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Jr. Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Teledyne Brown Engineering
Teledyne Brown Engineering: Private U.S. engineering and advanced-manufacturing serving defense, space, maritime, energy, and environmental customers.
0+ YOEBachelor's degree in software engineering, computer science, or related field; 0–2 years of development experience; object-oriented programming knowledge; U.S. citizenship; ability to obtain and maintain DoD Secret clearance.
C#, .NET, WinForms, WPF, Blazor, ASP.NET, SQL, Amazon Web Services (AWS), GitHub Copilot, Cursor, Azure DevOps, Microsoft Visual Studio, C++, Java
2mo
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Jr. Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
DigiFlight
DigiFlight: Veteran-owned minority U.S. defense contractor providing aviation, aerospace, intelligence, cybersecurity, and IT services.
0+ YOEDevelop, modify, test, and deploy software in Python and Java for cross-platform systems; support HWIL simulation integration, debugging, and maintain documentation.
Python, Java, Linux, Windows, WINSERV, IntelliJ IDEA, VS Code, Google Gemini, PyCharm
1mo
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Jr. Software Engineer
Annapolis Junction, Maryland, United States
$90k-$120k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNew York Stock Exchange: ACN: Technology and management consulting for U.S. federal agencies.
0+ YOE0-2 years experience with at least one programming language; bachelor’s degree in CS/Systems or 4 years relevant experience; TS/SCI with polygraph required; familiarity with software development, CI/CD, databases, cloud, and containerization.
Java, Python, C++, JavaScript, Spring, Hibernate, React, Angular, Vue.js, Django, Flask, STL, Qt, Boost, Git, Jenkins, PostgreSQL, MySQL, Oracle, ElasticSearch, MongoDB, AWS, Docker, Kubernetes
1mo
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JR Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Sentar
Sentar: Employee-owned cyber-intelligence contractor serving U.S. national-security agencies with cybersecurity, intelligence, and systems-engineering services.
0+ YOEBachelor's in STEM (or 4 years' additional experience), ability to obtain SAP access/active Secret within 6 years, experience with object-oriented languages (Java or C++), familiarity with SysML/UML/CAMEO, and full lifecycle software skills.
Java, C++, C, JS, SysML, UML, CAMEO, Atlassian, JIRA, Confluence, Git, RTOS, Linux, VxWorks
1mo
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Jr Software Developer
Scottsdale, Arizona, United States
OnsiteFull Time
Pinnacle Fertility
Pinnacle Fertility: Physician-centric fertility care and reproductive health services platform.
1+ YOEBachelor's in CS/IT required, 1–2 years software development experience, familiarity with C#, Python, JavaScript, SQL, cloud platforms (Azure/AWS) preferred, Git, APIs, and agile methodologies.
C#, Python, JavaScript, SQL, Azure, AWS, Git, APIs
1w
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Jr. Software Developer
Stafford or North America
$45k/yr HybridFull Time
Ariel Partners
Ariel Partners: Woman-owned IT consulting firm providing software development, digital transformation, training, and coaching to government and enterprise clients.
1+ YOERequires active Secret clearance, 1+ year software development experience, C#/.NET, testing, databases, web applications, REST APIs, Agile methods, and Certified Scrum Developer certification within 8 months.
C#, HTML, Blazor, Entity Framework, NUnit, xUnit, SQL Server, CSS, RESTful APIs, Azure DevOps, Jenkins, GitHub, Angular, React, AWS, Azure, Docker, Kubernetes
2w
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Jr Software Engineer / Software Developer I
Washington, District of Columbia, United States
$85k-$96k/yr OnsiteFull Time
Endictus
Endictus: Woman-owned federal contractor providing cybersecurity, IT modernization, and professional services to U.S. defense and intelligence customers.
2+ YOEProficiency in Python, C# .NET, Git, and software development processes. Requires a relevant technical degree, U.S. citizenship, and clearance eligibility; 2 years' experience with a bachelor's or 4 with an associate's.
Python, C#, .NET, Git, JavaScript, HTML, Docker, SQL, MongoDB
1w
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Jr. Software Engineer
Warner Robins, Georgia, United States
OnsiteFull Time
Silvervine
Silvervine: Silvervine is a private insurance software serving property-and-casualty insurers and managing general agents.
0+ YOEWorking knowledge of C# and .NET 6+, REST APIs, JSON or XML serialization, SQL, Git, and pull-request workflows; requires 0–3 years of experience, a relevant degree, or an equivalent portfolio.
C#, .NET 6, ASP.NET Core, SQL, REST, JSON, XML, Git, Azure, Microsoft Azure App Service, Microsoft Azure SQL Database, Microsoft Azure Service Bus, Microsoft Azure Application Insights, Microsoft Azure DevOps, Entity Framework Core, Dapper, xUnit, NUnit, MSTest, FluentValidation, OpenAPI, Swagger, Bicep, Terraform, ARM, ColdFusion
1mo
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Jr. Software Developer
Alexandria, Virginia, United States
$75k-$98k/yr OnsiteFull Time
Space Ground System Solutions
Space Ground System Solutions: Space Ground System Solutions is a private engineering-services developing satellite ground-system software for U.S. government customers.
1+ YOEUS citizen eligible for DoD TS/SCI, BS in CS/SE/CE, 1+ year professional experience, proficiency in Python/Go/Java/Node.js/C/C++, Linux, containers and Kubernetes, strong debugging and communication skills.
Python, Go (Golang), Java, JavaScript, Node.js, C, C++, Linux, Docker, Kubernetes, NATS.io, Protobuf, React, Vue, Terraform, Ansible, Prometheus, Grafana
4w
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Jr. Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
VTG
VTG: Provider of national security and digital transformation solutions.
3+ YOEActive TS/SCI with Polygraph, BS degree,3-5 years experience, strong Java/Springboot/AWS backend skills, PKI knowledge, Linux and scripting (Bash/Python), Git, CloudFormation, REST APIs, and relational DB experience.
Java, Springboot, Amazon Web Services, EC2, Git, CloudFormation, XML, JSON, YAML, JavaScript, bash, BASH, Python, Linux, PostgreSQL, MySQL, SQL, PLSQL, RESTful API, Jira, PKI
1w
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Jr-to-Mid Software Developer
Dahlgren, Virginia, United States
$79k-$110k/yr RemoteFull Time
SimVentions
SimVentions: Employee-owned defense contractor developing engineering and technology solutions for U.S. military and government customers.
3+ YOEBachelor of Science in an engineering, scientific, or technical discipline; 3–5 years of experience; interim Secret clearance and U.S. citizenship; software development and foundational AI/ML knowledge.
Go, Python, JavaScript, Vue.js, MongoDB, PostgreSQL, SQL, Docker, Software Development Kits (SDKs), Application Programming Interfaces (APIs), S3, VAST
6d
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Jr. IT Software Engineer, AMR
Guntersville, Alabama, United States
$73k-$102k/yr HybridFull Time
JST Corporation
JST Corporation: Private electrical-connector manufacturer serving automotive, electronics, appliance, and industrial-equipment makers.
Bachelor's degree in computer science, software engineering, robotics, or related field; C++ and/or Python, software development lifecycle, Linux, analytical problem-solving, communication, and factory troubleshooting skills required.
C++, Python, Linux, ROS
1w
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Jr-to-Mid Software Developer
Dahlgren, Virginia, United States
$79k-$110k/yr OnsiteFull Time
SimVentions
SimVentions: Employee-owned defense contractor developing engineering and technology solutions for U.S. military and government customers.
Bachelor of Science in an engineering, scientific, or technical discipline; software development experience with Go, Python, JavaScript, and Vue.js; foundational AI/ML knowledge; interim Secret clearance and U.S. citizenship required.
Go, Python, JavaScript, Vue.js, S3, Software Development Kits (SDKs), Application Programming Interfaces (APIs), Docker, MongoDB, PostgreSQL, SQL
1mo
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Jr. Software Developer
Mechanicsburg, Pennsylvania, United States
$70k-$80k/yr HybridFull Time
Connected Logistics
Connected Logistics: Veteran-owned government services contractor providing IT, cybersecurity, logistics, and modernization support to U.S. defense agencies.
Bachelor's or equivalent experience; understanding of OOP, web dev, relational databases; exposure to C#, VB.NET, .NET, JavaScript, SQL; Git experience; U.S. citizen with current T3 investigation; ability to work onsite three days/week.
C#, VB.NET, .NET, .NET 8, JavaScript, SQL, Git, React, Angular, jQuery, SQL Server, Entity Framework, APIs
1mo
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Jr. Software Developer: HSV-26122
Huntsville, Alabama, United States
OnsiteFull Time
deciBel Research, Inc.
deciBel Research, Inc.: Employee-owned defense contractor providing radar and sensor modeling, testing, engineering, and analysis for DoD customers.
2+ YOEBS in Computer Science/Engineering, 2+ years software development (Python preferred), Linux and Git proficiency, experience building services/APIs, familiarity with LLMs/AI frameworks, active Secret clearance and U.S. citizenship required.
Python, C++, Rust, Linux, Git, Cameo Systems Modeler, Tableau, Power BI, Plotly Dash, Streamlit, LangChain, LangGraph, Semantic Kernel, REST APIs, AWS, Azure, Google Cloud, Large Language Model (LLM), Retrieval-Augmented Generation (RAG)
2mo
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Jr. ADAS Software Engineer
San Jose, California, United States
$140k-$145k/yr OnsiteFull Time
Bertrandt
BertrandtFrankfurt Stock Exchange: BDT: Engineering and technology consulting for the mobility sector.
1+ YOEBachelor's in engineering, 1+ years automotive/ADAS or embedded systems experience, ECU flashing and ADAS sensor knowledge, familiarity with automotive networks and diagnostic tools, valid US driver's license, willing to travel up to ~30%.
CAN, FlexRay, Automotive Ethernet, CANoe, DTS Monaco, Wireshark, JIRA, OBD
2mo
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390 - Jr. Software Engineer
Fort Meade or Linthicum
$103k-$115k/yr OnsiteFull Time
ARSIEM Corporation
ARSIEM Corporation: Private IT consulting and engineering firm providing cybersecurity and software services to U.S. government agencies.
2+ YOEBachelor's degree plus 2 years (or equivalent) experience; active TS/SCI with polygraph and U.S. citizenship required; proficiency in Java, Python, PySpark, ETL, Pig, MapReduce, JSON, BSON, and Hadoop; analytics and SIGINT data experience preferred.
Java, Python, PySpark, ETL, Pig, MapReduce, JSON, BSON, Hadoop, Large Language Models (LLM)
1mo
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Jr Software Developer (OH, Dayton)
Dayton, Ohio, United States
OnsiteFull Time
J.F. Taylor
J.F. Taylor: Family-owned defense contractor designing and manufacturing mission, training, avionics, unmanned, and ground systems for U.S. military customers.
Knowledge of software requirements, design and systems integration; object-oriented C++ development; modeling, simulation and analysis; strong communication and technical writing. No prior professional experience required.
C++, Modeling, Simulation, and Analysis (MS&A)