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Junior Software Engineer Python Jobs in Arvada, CO, US
43 junior software engineer python jobs from 26 companies hiring in Arvada, CO, US.
2w
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Junior Software Engineer
Warrenton or State College or Fort Eisenhower or Centennial
OnsiteFull Time
Bachelor’s in CS/CE/EE or related field; strong Java and JavaScript/Typescript experience; experience with Python, Angular, ELK, Redis, REST, Docker/Kubernetes; TS/JS stack experience preferred; Must have Top Secret clearance.
Java, JavaScript, TypeScript, Python, Angular, React, ElasticSearch, ELK stack, Redis, REST, Docker, Kubernetes, Helm, NoSQL, SQL, Xmidas
2w
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Junior Software Engineer (AI ML)
Denver, Colorado, United States
$64k-$128k/yr HybridFull Time
Bachelor's in Computer Science; frontend and backend development; AWS experience; JavaScript with Angular/React; Python/Java/Node.js/C/C++; Docker/Kubernetes; databases; US citizenship with TS/SCI clearance willingness.
AWS, CDK, SAM, EKS, JavaScript, Angular, React, Python, Java, Node.js, C++, Go, Rust, Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, Redis, Kafka
21h
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FreeWheel - Junior Python Engineer (AdTech) - Chicago, IL or Denver, CO- ONSITE 4 X Week
Chicago or Denver
$93k-$146k/yr OnsiteFull Time
1+ YOEBachelor’s degree in computer science or related field; 1+ years Python experience; Nice to have AdTech, Django.
Python, Django, MySQL
4d
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Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years in software development; experience with Java, Python, Rust, or Go; microservices; TS/SCI clearance; bachelor's degree.
Java, Python, Rust, Go, Linux, Docker, Kubernetes, AWS, Azure, Google
9h
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Software Engineer Associate
Littleton, Colorado, United States
OnsiteFull Time
Early career software engineer with proficiency in Python and familiarity with C/C++, Git; requires security clearance.
Python, C++, Git
3w
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Software Engineer
Westminster, Colorado, United States
$78k-$108k/yr OnsiteFull Time
0+ YOE0-1 year software development experience; Python; serverless, REST APIs; CI/CD, git; NoSQL; agile methods; debugging/scripts a plus.
Python, AWS, Azure, REST APIs, Git, CI/CD, NoSQL, Serverless
1w
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Software Engineer
Littleton, Colorado, United States
OnsiteFull Time
1+ YOETop Secret/SCI eligibility; BS degree; 1+ years of software engineering experience; programming/scripting knowledge.
C++, Java, Python, Cucumber, Selenium, JUnit, REST Assured, Docker, Kubernetes, JIRA, Confluence
4w
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Software Engineer
Westminster, Colorado, United States
$74k-$137k/yr HybridFull Time
1+ YOEBachelor’s degree in CS/CE or related field; 1+ years in software development with Java or Python; SQL; Unix; cloud and big data tools; Docker/Kubernetes and AWS/Databricks plus AI tools a plus.
Java, Python, SQL, Unix, Hadoop, HBase, Spark, Spring, Hibernate, Maven, Angular, HTML, JavaScript, Docker, Kubernetes, AWS, Databricks, AI tools
1mo
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Software Developer Intern
Louisville or Remote
$24-$26/hr RemoteAll Commitments Available
Pursuing a Bachelor’s degree in CS/Software Engineering; basic software concepts; one programming language; Git familiarity.
Git, Python, JavaScript, C#, Java
1w
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Associate AI Software Developer
Longmont, Colorado, United States
$90k-$110k/yr OnsiteFull Time
1+ YOEBachelor's in CS/Engineering or equivalent; 1–3 years software dev exp; Java, Python, TypeScript; cloud platforms; AI/ML exposure; strong communication.
Java, Python, TypeScript, Cloud platforms, Docker, Microservices, CI/CD, APIs, Version control
1mo
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Software Engineer 1
Boulder, Colorado, United States
$95k-$105k/yr OnsiteFull Time
Bachelor’s degree in CS, EE, CE, SE, Aerospace, Math, Physics or related field or equivalent; GPA 3.0+; basic software in C/C++/C#/Java/assembly or similar.
AWS, Kubernetes, GitLab, GitHub, Python, Java, Bash, Go, EC2, EKS
2w
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Software Engineer I
Littleton, Colorado, United States
$72k-$103k/yr OnsiteFull Time
0+ YOEBachelor's degree in Computer Science or related field; proficiency in Java or Python; strong OO, REST APIs; cloud-native concepts; Generative AI experience; agentic AI concepts; data stores and testing knowledge.
Java, Python, REST, Cloud-native, Serverless, Containerization, AWS, Lambda, Databases, CLI, Testing (unit/integration), AI/ML, Agentic AI
6d
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AI Software Engineer - Greenwood Village, CO Office
Greenwood Village, Colorado, United States
$80k-$120k/yr OnsiteFull Time
0+ YOEBachelor’s degree in computer science or software engineering; recent graduate; strong interest in AI; proficient in C#, Python, or Java; familiarity with AI tooling; able to work onsite in Greenwood Village, CO; authorized to work in the United States.
C#, Python, React, APIs, AI tooling
20h
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Software Engineer, Intern
Denver, Colorado, United States
$80k-$100k/yr OnsiteFull Time, Internship
0+ YOEInternship; experience with data structures, group projects, cross-stack work; autonomous, communicative, outcome-driven.
Django, Python, React, TypeScript, GraphQL, AWS, vLLM, Linear, Slack, Notion, Metabase
3w
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Software Engineer, Data Assembly
Denver, Colorado, United States
$135k-$180k/yr HybridFull Time
Experience building data pipelines and working with distributed systems. Strong Python/TypeScript skills preferred. Located in or willing to relocate to Denver, CO.
Python, TypeScript, OpenCV, AWS, Docker, Linux, Node.js, Express, NestJS, Next.js, React, Tailwind CSS, SQL, Bash, IoT
1w
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Software Engineer II
Denver, Colorado, United States
$77k-$103k/yr OnsiteFull Time
5+ YOEBS in Computer Science or related field; 5+ years in software development; strong communication and learning ability; experience with Agile, Git, Angular 2+, C#, Python/JavaScript; CI/CD a plus.
Angular 2+, Git, Azure DevOps, C#, Python, JavaScript, TypeScript, CI/CD
4w
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Engineer II - Space Vehicle Systems – Simulators Software
Boulder, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in Engineering with 2+ years related experience; TS/SCI clearance; experience with Matlab/Simulink, embedded coder, C/C++, Python; real-time simulations; Linux/VxWorks; software development lifecycle.
Matlab/Simulink, C/C++, Python, Linux, VxWorks, Git
4w
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Engineer II - Space Vehicle Systems – Simulators Software
Boulder, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS degree in engineering or related field plus 2+ years experience; MS/PhD may substitute; active TS/SCI clearance required; experience with Matlab/Simulink and real-time simulations; C/C++, Python or Ruby; familiarity with Linux/VxWorks.
Matlab, Simulink, embedded coder, git, Linux, VxWorks, C, C++, Python, Ruby, Simulink coder, matlab coder
1mo
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Software Engineering Summer Intern (Undergrad)
Denver or New York or Remote
$20-$22/hr HybridMultiple Commitments Available
Currently enrolled in a Bachelor's program in computer science/software engineering or related field; entering junior or senior year in Fall 2026; familiar with Python and React; SQL basics; AWS helpful; strong collaboration and communication.
Python, Flask, SQLAlchemy, React, Typescript, AWS
4w
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Engineer I - Space Vehicle Systems – Simulators Software
Boulder, Colorado, United States
$65k-$110k/yr OnsiteFull Time
4+ YOEBS in engineering required; 4+ years experience or equivalent; TS/SCI clearance; MATLAB/Simulink experience; C/C++, Ruby, Python; real-time simulations knowledge.
MATLAB, Simulink, Embedded C/C++, Python, Linux, GitLab
6d
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Software Development Intern – Summer 2026
Westminster, Colorado, United States
$23-$40/hr OnsiteInternship
enrolled in a bachelor’s or master’s program in computer science or software engineering; strong Python and JavaScript/TypeScript; experience building web/desktop apps; REST APIs; databases; GPA 3.0+ desirable; prior internship or project experience preferred.
Python, JavaScript, TypeScript, REST APIs, React, Vue, Flask, FastAPI, Electron, PostgreSQL, SQLite, NoSQL
3w
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2026 Software Engineering Summer Intern
Westminster, Colorado, United States
$24-$34/hr OnsiteInternship
0+ YOEStudent pursuing CS/CE with Linux, Python, C++, and ML coursework; internship focuses on embedded or desktop software.
Python, C++, Linux
4w
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Senior Engineer, Advanced Reliability Test Engineering (Longmont, CO, US)
Longmont or Shakopee
$92k-$132k/yr OnsiteFull Time
5+ YOE5+ years experience in reliability test engineering; strong communication and data analysis skills; experience with test planning, data analysis, and reporting; knowledge of software (Python, JMP, Reliasoft, R, MATLAB) preferred
Python, JMP, Reliasoft, R, MATLAB, Data Analysis Tools
1mo
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Intern - Engineer
Boulder, Colorado, United States
$19-$30/hr OnsiteFull Time, Internship
0+ YOEPursuing a Bachelor's/Master's/Doctoral in engineering/computer science; embedded hardware/software development; familiarity with I2C/SPI/UART/USB; test equipment usage; ability to work 40 hours/week in Boulder, CO; US citizenship compliance.
Python, C++, MATLAB, UNIX, Jenkins, PCB Design (Altium)
1w
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2026 Raytheon Part Time Co-op - SW Platform Engineer (Remote)
Aurora, Colorado, United States
$37k-$82k/yr RemotePart Time
Part-time remote co-op in Computer Science or related STEM; scripting and DevOps tools; ability to obtain TS/SCI clearance.
Python, Perl, Ruby, Bash, Shell, Docker, Kubernetes, Rancher, Ansible, Chef, Git, Jenkins, Jira, Confluence
2mo
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Cloud Software Engineering Bachelor's Intern
Greenwood Village, Colorado, United States
$21-$27/hr HybridAll Commitments Available
0+ YOEPursuing a bachelor's degree in Computer Science, Math/Statistics, or AI Analytics; interested in cloud software and internship experience; open to flexible work location.
Python, Java, Azure, Azure Functions, Storage, App Services, Git, GitHub, Jira, REST API, Docker, Kubernetes, OpenAI, BOT framework, CI/CD, Reporting, Power BI
1mo
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Summer 2026 Artificial Intelligence / Machine Learning Intern - Graduate Student
Seattle or Los Angeles or Denver
$38/hr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEU.S. citizen or permanent resident or asylum/refugee status; enrolled undergrad with at least one semester/quarter remaining; completed at least one year of post-high school coursework; available for full-time internship (~12 weeks); strong communication; interest in mission; ML/AI exposure plus Python/Torch skills.
Python, Torch, AWS, Git, Docker, Kubernetes, React, JavaScript, HTML, CSS
1w
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AI Engineering Intern
Boulder or Charlotte
$17-$25/hr OnsiteInternship
0+ YOEPursuing or recently completed BS/MS in CS/Engineering; strong Python; ML/AI familiarity; APIs and backend experience.
Python, APIs, Backend development, Machine learning, AI
1mo
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Full Stack & AI Engineering Intern - Denver
Denver, Colorado, United States
$800-$2k/mo OnsiteMultiple Commitments Available
0+ YOEInternship in software/AI engineering; strong interest in full stack development and machine learning; able to start immediately.
React, React Native, TypeScript, FERN stack, Python, FastAPI, Express, Firestore, PostgreSQL, BigQuery, Google Cloud Platform, Firebase, Cloud Functions, Pub/Sub, Cloud Run, AWS, Docker, GitHub Actions, CI/CD, TensorFlow, PyTorch, scikit-learn, OpenAI, LangChain, Twilio Segment, Zoho CRM, Voucherify, OneSignal
3w
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Computer Science Robotics Intern (Boulder, CO)
Boulder, Colorado, United States
OnsiteInternship
Undergrad/grad student in CS or engineering; experience with Linux, Git, C++, Python; strong collaboration and learning mindset.
Linux, Git, Command Line, C++, Python, Claude Code
HiringCafe market data
Junior Software Engineer Python Jobs market signals in Arvada, CO, 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
43
Hiring companies
26
Fresh sample
79% new in 30d
Salary visibility
84% show pay
Companies appearing in this market
BAE SystemsLockheed MartinCACIBlisswayCompaEchoStarSeagate TechnologyAdvanced Space
Work location mix in visible results
Onsite: 32Hybrid: 9Remote: 2