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43 associate junior software engineer jobs at 28 companies in Arlington, VA

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Associate Software Engineer
Fort Meade, Maryland, United States
$77k-$128k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
0+ YOEBachelor's in CS or related,0–2 years software development experience or internships,knowledge of Python/Java/JavaScript/C/C++,EMR not mentioned,active TS/SCI with polygraph required.
Python, Java, JavaScript, C/C++, AWS, Docker, Kubernetes, React, Angular
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1mo
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Software Engineer, Associate II
McLean, Virginia, United States
$85k-$127k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
1+ YOE1-3 years software engineering experience; college degree or equivalent preferred; AWS cloud experience (ECS/EKS, Lambda, EC2, RDS, DynamoDB, S3, IAM, CloudWatch; CloudFormation/CDK/Terraform); CI/CD and SDLC practices; observability and production support; strong communication skills.
AWS, ECS, EKS, Lambda, EC2, RDS, DynamoDB, S3, IAM, CloudWatch, CloudFormation, CDK, Terraform, CI/CD, Docker, Kubernetes
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2027 Global Technology - Associate Software Engineer
Baltimore or Maryland or Colorado or Washington or Washington or New York or California or United States
$78k-$165k/yr HybridFull Time
T. Rowe Price
T. Rowe PriceNASDAQ: TROW: Global investment management firm providing funds and retirement services.
Full-time student graduating Dec 2025–May/June 2026, minimum 3.0 GPA, major in CS/Statistics/Math/Engineering, competency in at least one programming language, familiar with modern software methodologies (e.g., Scrum).
Java, JavaScript, Python, SQL, Git, CI/CD, Docker, iOS/Swift, Android/Java, Apple Testflight, Google Firebase, Amazon Web Services, Linux, Machine learning
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Senior Associate Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
2+ YOE2+ years experience, US citizen with Secret clearance, bachelor\u0002s or master\u0002s in related field, experience with Java/C++/Python, Git, Linux and Docker, RHEL, strong communication and troubleshooting skills.
Java, Python, C++, Git, Linux, Docker, RHEL 8, RHEL 9, Kubernetes, Podman, KVM, Helm, Jenkins, Ansible, GitOps, Nexus, Robot Framework
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Associate Software Developer — Recent Graduates
Arlington, Virginia, United States
$50k-$80k/yr OnsiteFull Time
Spatial Front
Spatial Front: IT solutions and mission support for government agencies.
Bachelor's degree in a technical field, recent graduate or early-career, basic programming knowledge, strong problem-solving and communication, U.S. citizenship required, ability to work full-time onsite in Arlington, VA.
PeopleSoft, PeopleTools, PeopleCode, Application Engine, SQL, Java, JavaScript, TypeScript, Python, C++, C#, Artificial intelligence, AWS, ServiceNow, Esri, Git, Azure DevOps
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Associate, Software Engineering (39089)
Herndon, Virginia, United States
$76k-$141k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
Pursuing or recently completed Bachelor’s in Computer or Electrical Engineering; experience with C/C++/VC++; knowledge of OOD, software lifecycle, Linux/Windows; containerization (Docker,Kubernetes) and CUDA are a plus.
C, C++, VC++, Linux, Windows, Docker, Kubernetes, CUDA
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FLEX Associate Software Engineer - CDP
Bethesda, Maryland, United States
$32-$50/hr HybridFull Time
Marriott International
Marriott InternationalNASDAQ: MAR: Operates and franchises a global network of hotels and resorts.
0+ YOEBachelor's degree or equivalent,0–3 years relevant experience, knowledge of REST APIs/JSON, Python/Java/JavaScript, basic SQL, Adobe ecosystem exposure preferred, privacy/consent familiarity, strong communication.
REST APIs, JSON, Python, Java, JavaScript, Adobe Experience Platform (AEP), Adobe Real-Time Customer Data Platform, Adobe Launch (Tags), AEP Web/Mobile SDK, Adobe Target, SQL
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2w
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DevSecOps Research Computing Software Engineer
Reston, Virginia, United States
$69k-$103k/yr OnsiteFull Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
2+ YOEAbility to develop/deploy research software and Infrastructure-as-Code (Ansible/IaC), integrate with HPC and cloud, optimize performance, and obtain Secret-level clearance; associate+2 years or bachelor's (no prior required).
Ansible, Infrastructure as Code (IaC), CI/CD, HPC
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2d
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2026 - Associate Cyber Software Engineer - Annapolis Junction MD
Annapolis Junction, Maryland, United States
$97k-$104k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
Active TS/SCI with full-scope polygraph, U.S. citizenship, STEM bachelor's degree (GPA≥3.0), programming in C#, C/C++, Java or Python, Agile experience, and strong problem-solving and collaboration skills.
C#, C/C++, Java, Python, Agile, CNO
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2d
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2026 - Associate Cyber Software Engineer - Annapolis Junction MD
Annapolis Junction, Maryland, United States
$97k-$104k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
Active TS/SCI with polygraph required, U.S. citizenship, STEM degree with 3.0+ GPA, experience with C#, C/C++, Java and/or Python, Agile development experience, strong problem-solving and collaboration skills.
C#, C/C++, Java, Python, Agile
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Junior Appian Developer
Reston, Virginia, United States
$90k-$110k/yr RemoteFull Time
Forge Group
Forge Group: Provides professional consulting and IT solutions for federal agencies.
0+ YOEU.S. citizen with 0–3 years Appian or application development experience; Appian Associate certification within 6 months; CompTIA Security+ within 30 days; active Tier 2 background investigation within 18 months; foundational SQL, REST, and Appian knowledge.
Appian, SQL, REST, Python, Java, JavaScript, Git, CI/CD
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3w
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Associate AI/ML Software Developer (req-261)
Tysons, Virginia, United States
$99k-$120k/yr OnsiteFull Time
CATHEXIS
CATHEXIS: Provides consulting and technology services to federal government agencies.
0+ YOEActive Secret clearance required, bachelor’s in computer science or related, 0–3 years relevant experience, experience with JavaScript/Java/Python, OOP, data structures, algorithms, and modern LLM tool workflows.
JavaScript, Python, Java
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2mo
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Associate Application Engineer
McLean, Virginia, United States
OnsiteFull Time
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
Bachelor’s degree in Engineering/CS/Math or related field; AWS experience; strong problem-solving; proficient English; strong communication.
AWS, Appian
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1mo
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Design Engineer Associate
Tysons, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
0+ YOEBachelor's in Electrical Engineering required; 0+ years engineering experience. Must perform electrical calculations, medium-voltage design, PLC/ladder logic, 2D CAD/BIM, and use engineering software; CEM/CPQ/LC/CLEP/DBIA/INCOSE certifications preferred.
PLC, AGI32, ETAP, SKM, AutoCAD, AutoCAD Inventor, Revit, Microsoft Office, Microsoft SharePoint, EDMS, IMMS, Bluebeam
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2w
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Tax Innovation - Software Engineering - Senior Associate
Dallas or Chicago or Washington or New York City
$77k-$214k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's degree and at least 2 years' experience; proficiency in Java, Python, C#.NET, JavaScript; experience with ATDD, CI/CD, APIs and microservices; strong communication and critical thinking.
Java, Python, C#.NET, JavaScript, Acceptance Test Driven Development (ATDD), CI/CD, API, microservices
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1d
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Associate Appian Developer
Largo or Dayton or Washington
RemoteFull Time
Graham Technologies
Graham Technologies: Provides secure IT services and modernization solutions.
1+ YOEBachelor's degree required; 1+ years software development; experience with Appian or low-code platforms, Agile, APIs and integrations; ability to obtain Public Trust; Appian Certified Associate Developer preferred.
Appian, REST, AWS, Azure
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3mo
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AI Engineer- Associate
Washington or Orlando or Montvale or New York City or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
1+ YOE1+ year software engineering or data science experience, bachelor’s in CS or related, strong Python skills, Git, willingness to work with Azure, Docker, Kubernetes, LangChain, Semantic Kernel, and US work authorization required.
Python, Git, Azure, Docker, Kubernetes, LangChain, Semantic Kernel
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Associate AOCS Engineer
Lanham, Maryland, United States
OnsiteFull Time
AST SpaceMobile
AST SpaceMobileNASDAQ: ASTS: Space-based cellular broadband network for standard mobile devices.
0+ YOEBachelor's or Master's in engineering, 0–2 years relevant experience, experience with attitude control design or HIL testing preferred, ability to develop/validate control software and test plans, strong communication and analytical skills.
MATLAB, Simulink, C++, Jira, Microsoft Office
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3mo
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Associate Test Engineer
Manassas, Virginia, United States
$67k-$124k/yr OnsiteFull Time
SWIFT
SWIFT: Provides secure messaging services for global financial transactions.
1+ YOEBachelor's in CS or IT; 1-2 years in software/testing; experience with CI/CD, integration or functional testing.
Python, Shell, Linux, CI/CD
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Associate Java Developer
Arlington, Virginia, United States
HybridFull Time
Sprezzatura Management Consulting
Sprezzatura Management Consulting: Provides digital modernization and management consulting for federal agencies.
1+ YOE1–3 years software development experience with Java, SQL/Oracle, REST/SOAP, OOP, and Agile; Bachelor's in CS or related (or equivalent experience); U.S. citizen or permanent resident required; strong communication and problem-solving skills.
Java, Spring Framework, Struts, JSP, WebLogic, Oracle, REST, SOAP, Java 17, Spring Boot, SQL, Git, JavaScript, HTML, React
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