26 software developer intern jobs at 20 companies in Fredericksburg, VA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
1mo
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Software Engineer Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Independent technology and consulting firm.
0+ YOEBachelor's in CS/CE/EE; proficient in Python, Java, HTML, JavaScript; Windows/Linux API knowledge; client/server experience; strong problem solving and communication; self-motivated team player.
Python, Java, HTML, JavaScript, Git, Jenkins, Windows API, Linux API
2mo
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Software Engineer - Platform & Infrastructure
Washington or San Francisco
$165k-$220k/yr HybridFull Time
Promise
Promise: Providing payment and financial assistance systems for government agencies.
5+ YOE5+ years of software or infrastructure experience in a platform/infra/SRE role; production Kubernetes; Terraform IaC; internal systems; on-call; AI tools experience.
Kubernetes, Terraform, Google Cloud Platform, CI/CD, ArgoCD, Typescript, Golang, AI tools
2mo
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Software Engineering Intern
Washington, District of Columbia, United States
HybridInternship
Social Impact
Social Impact: Provide management consulting for global development effectiveness.
0+ YOEPursuing CS/SE/Data Science degree; strong problem-solving; able to work independently and with others; interest in scalable enterprise systems; US citizen; DC area; internship; background check.
Node.js, React, Python, PostgreSQL, REST APIs, Git/GitHub
2d
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Software Developer, GO Systems
Austin or Menlo Park or Washington or New York City
$171k-$240k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.
PHP, Hack, JavaScript, React
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
1mo
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AI Developer Intern
McLean or Washington
HybridInternship, Full Time
iCatalyst
iCatalyst: Provides IT modernization and AI solutions to federal agencies.
Current college student in a STEM field; foundational Python and software development skills; exposure to AI/ML tools and cloud platforms; interest in LLMs, prompt engineering, and building AI applications; strong communication and problem-solving.
Power Apps, Power Automate, Azure AI, Python, Power BI, CMMI ML 3 DEV, ISO 9001:2015, ISO/IEC 27001:2022, RPA, Natural Language Processing (NLP)
1mo
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Software Development Summer Internship
Alexandria, Virginia, United States
OnsiteInternship, Seasonal
SimonComputing
SimonComputing: Develops software and IT solutions for government agencies.
2+ YOE2+ years of Java coding (school or other venues), strong problem-solving, interest in software development, ability to work in Agile teams and learn full‑stack technologies.
Java
1mo
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Vulnerability Researcher (iOS) / Software Engineer (VR), Senior-Level
Chantilly, Virginia, United States
OnsiteFull Time
REDLattice
REDLattice: Provides advanced cybersecurity software and vulnerability research services.
8+ YOEBachelor's or equivalent,8+ years in vulnerability research/reverse engineering/exploit development,deep iOS expertise,proficiency in C/C++ and Python,experience with IDA Pro/Ghidra/Frida,OS internals knowledge,TS/SCI eligibility.
C, C++, Python, IDA Pro, Ghidra, Frida
1d
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Unity 3D Developer Intern
Fredericksburg, Virginia, United States
$21-$30/hr OnsiteInternship
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
Currently enrolled senior or recent graduate in CS/Software Engineering, experience with Unity and C#, familiarity with Git, portfolio/GitHub required, strong problem-solving and communication skills.
Unity, C#, Git, GitHub, VERTEX, WebGL, Android, REST API, Blender, Maya, AR/VR
1w
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Appian Intern (Paid Internship)
Washington, D.C. or United States
$20/hr HybridInternship, Full Time
Horizon Industries
Horizon Industries: Provides IT and management consulting services to government clients.
Bachelor's in a technical field required; strong analytical, communication, and teamwork skills; eagerness to learn Appian low-code development; preferred familiarity with Java/Python/JavaScript/SQL and Agile.
Appian, Java, Python, JavaScript, SQL
2mo
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Android Developer
McLean, Virginia, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOETop Secret clearance required; 3+ years EXP; Python and C; UNIX makefiles; CNO tools; socket programming; debuggers; reverse engineering; exploit software; OS internals; mitigations; version control.
Python, C, UNIX, Makefiles, WinDbg, gdb, IDA Pro, Git, GitLab
1mo
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Windows CNO Developer
Herndon, Virginia, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
3+ YOEActive TS/SCI with Full Scope Poly, 3+ years in CNO/CNE development on Windows, strong C, Windows internals, debugging, reverse engineering tools, and scripting.
C, Windows, IDA, Ghidra, x64dbg, Python
3mo
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AI/ML Research and Development Intern
State College or Reston
OnsitePart Time
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
Bachelor's degree required; enrolled in a master’s or higher degree program; experience in AI/ML preferred.
PyTorch, Pandas, PostgreSQL, AWS, Docker
1mo
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Sales Engineer, Federal
Brooklyn or Washington
$100k-$115k/yr HybridFull Time
Altana
Altana: AI-powered visibility and risk management for global supply chains.
3+ YOE3+ years in public sector with knowledge of international trade, defense, or economic security; experience delivering software tools; strong presentation skills; ability map customer problems to Altana solutions.
AI tools, software tools, Altana platform
3d
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Fall Internship, International Advocacy
Washington, District of Columbia, United States
$25-$35/hr OnsiteInternship
PhRMA
PhRMA: Advocates for public policies supporting biopharmaceutical research and innovation.
Current student or recent graduate with interest in health policy, quantitative methods, and pharma industry; experience with statistical software and Excel; strong synthesis, organizational, and communication skills.
SQL, SAS, Stata, R, Python, Microsoft Excel
1w
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Product Analyst - Software Development
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
5+ YOEAdvanced degree in CS/Engineering plus 5+ years (or BS plus 8+ years) IT experience, system design and requirements expertise, strong communication, US work authorization, international travel as required.
1mo
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Director, Internal Audit Technology
McLean, Virginia, United States
$203k-$305k/yr OnsiteFull Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
12+ YOE4+ Mgmt12+ years in Internal Audit or related fields; 4+ years of management; hands-on data pipelines and platform development; familiarity with GenAI; cloud, data architecture or software development experience.
GenAI, Cloud platforms, Data pipelines, Audit automation, Artificial intelligence governance
3w
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Internal Use Software (IUS) Accounting & Audit Remediation Analyst
Andrews AFB, Maryland, United States
$110k-$122k/yr OnsiteFull Time
Bowhead
Bowhead: Federal government contracting and professional services provider.
5+ YOE5+ years federal financial management/accounting or audit support; experience with GPP&E/IUS accounting, policy and control development, valuation methodologies, audit support, strong Microsoft Excel skills; CPA/CIA/CISA/CDFM/CGFM preferred; Secret clearance and U.S. citizenship required.
Microsoft Excel