Junior Python Developer Jobs in Elizabeth, CO, US

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Junior Software Engineer

Warrenton or State College or Fort Eisenhower or Centennial

OnsiteFull Time

Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.

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

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Junior Software Engineer (AI ML)

Denver, Colorado, United States

$64k-$128k/yr HybridFull Time

CACINYSE: CACI: Provides information technology and professional services to government clients.

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

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Junior Security Operations Engineer

Dublin or Amsterdam or San Francisco or Denver

RemoteFull Time, Contract

Telnyx: Provides global carrier-grade voice and messaging services via APIs.

2+ YOEJunior SecOps role focusing on vulnerability management, AI-assisted tooling, and incident response; includes bug bounty triage, SIEM/EDR/DLP usage, and scripting for automation.

SIEM, EDR, DLP, Python, Bash, LLM tooling, Bug bounty platforms

1mo

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1mo

Junior Machine Learning Engineer | AI/ML Gunslinger

Colorado Springs, Colorado, United States

$80k-$90k/yr OnsiteFull Time

Infinity Labs: Develops modeling and simulation solutions for defense and security.

0+ YOEProficiency in ML frameworks (PyTorch, TensorFlow, JAX); RL algorithms; Python; AWS/DoD HPC; Git; U.S. citizenship with eligibility for security clearance.

PyTorch, TensorFlow, JAX, Python, RLlib, Gymnasium, AWS, Git

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Systems Engineer - Junior

Colorado Springs, Colorado, United States

$145k/yr OnsiteFull Time

AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.

4+ YOEActive Top-Secret clearance with SCI or ability to obtain SCI; 4 years IT/systems engineering experience; Windows Server, VMware ESXi, Nutanix, Active Directory; 8140 IAT Level II/III baselines; scripting (PowerShell/Python); travel may be required; 40-hour work week.

VMware ESXi, Nutanix, vCenter, vSAN, Windows Server 2019, Active Directory, PowerShell, Python, SCCM

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Software Engineer

Aurora, Colorado, United States

$69k-$158k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

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

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Software Engineer

Westminster, Colorado, United States

$78k-$108k/yr OnsiteFull Time

TrimbleNASDAQ: TRMB: Provides hardware and software for precision positioning and modeling.

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

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Software Engineer Early Career

Littleton, Colorado, United States

OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and builds aerospace and defense technology systems.

0+ YOEBachelor's in CS or related; software development in Python/C++; Agile; eligible for US security clearance; early career

Python, C++, Git, Jira, DevOps

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Software Engineer

Westminster, Colorado, United States

$74k-$137k/yr HybridFull Time

Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.

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

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AI Research Engineer (hybrid, junior career)

Fort Worth or Grand Prairie or Littleton or Sunnyvale

HybridFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

Bachelor’s degree in Engineering, Computer Science, or related field; experience with machine learning, computer vision, and deep learning libraries; proficient in Python; US citizen required for security clearance.

Python, PyTorch, TensorFlow, Keras, OpenCV, Scikit-learn, CUDA, OneAPI, Triton Inference Server, NVIDIA TensorRT

1mo

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1mo

Test Engineer

Colorado Springs, Colorado, United States

$71k-$123k/yr OnsiteFull Time

ASRC Federal: Provides engineering and IT services to federal government agencies.

0+ YOE2+ years in STEM testing or a Master’s in STEM with 0-2 years; active DoD Secret clearance; Agile, Linux, programming in Python/Java/JavaScript; test planning and performance analysis.

Python, Java, JavaScript, Linux, Git, Docker, REST APIs, SQL, Jenkins, GitHub, Bitbucket, SonarQube, CAMEO, C#, ASP.NET, Curl, CI/CD

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Machine Learning Engineer (0-2 yrs)

Westminster, Colorado, United States

$80k-$101k/yr OnsiteFull Time

Advanced Space: Provides mission design and navigation software for space missions.

0+ YOE0-2 years of experience; BS in CS/ML/SE/AE or related field; Python; neural networks basics; data preprocessing; develop reliable code.

Python, PyTorch, JAX, TensorFlow

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Software Engineer I

Littleton, Colorado, United States

$72k-$103k/yr OnsiteFull Time

EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.

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

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IR PLUME Jr. System Engineer: HSV-2678

Colorado Springs, Colorado, United States

$75k-$100k/yr OnsiteFull Time

deciBel Research: Developing advanced radar and sensor technologies for defense missions.

2+ YOEJunior systems engineer to develop IR signature data; DoD Secret clearance required; STEM degree; 2+ years with Bachelor's or 0+ with Master's; scripting experience in Python/Bash/MATLAB; strong communication and teamwork.

Python, Bash, MATLAB

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Software Engineer, Data Assembly

Denver, Colorado, United States

$135k-$180k/yr HybridFull Time

Blissway: Automated highway tolling solutions using AI and edge sensors.

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

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AI Software Engineer - Greenwood Village, CO Office

Greenwood Village, Colorado, United States

$80k-$120k/yr OnsiteFull Time

Ulteig: Provides engineering and technical services for critical infrastructure sectors.

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

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2026 Enterprise Modeling and Simulation Engineer

El Segundo or Chantilly or Colorado Springs

$100k-$140k/yr OnsiteFull Time

The Aerospace Corporation: Provides technical expertise and research for national space programs.

1+ YOEMaster's degree in CS/EE/optical engineering/physics/m mathematics; 0-1 year experience; strong C++ and Python; modeling and simulation experience; ability to obtain Top Secret/SCI clearance

C++, Python

1mo

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1mo

Software Developer Intern

Louisville or Remote

$24-$26/hr RemoteAll Commitments Available

BDI: Evaluates and monitors structural integrity of civil infrastructure.

Pursuing a Bachelor’s degree in CS/Software Engineering; basic software concepts; one programming language; Git familiarity.

Git, Python, JavaScript, C#, Java

2mo

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2mo

Operations Manager/Engineer (Leadership Program)

Denver, Colorado, United States

OnsiteFull Time

Vorto: Automates industrial supply chains with an AI logistics platform.

Lead cross-functional operations; rotate through roles; develop and own initiatives; strong communication; proficient in Python and SQL; STEM degree with high GPA.

Python, SQL, Microsoft Office

23h

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23h

Software Engineer, New Grad

Denver, Colorado, United States

$90k-$120k/yr HybridFull Time

Compa: AI-powered compensation intelligence platform for enterprise teams.

Spring 2026 graduate; proficiency in at least one modern web framework; able to work across the stack; autonomous; strong collaboration.

Python, Django, React, TypeScript, GraphQL, AWS, vLLM, Linear, Slack, Notion, Metabase

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Software Engineer II

Denver, Colorado, United States

$77k-$103k/yr OnsiteFull Time

ENFRA: Providing integrated energy infrastructure and energy-as-a-service solutions.

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

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Engineer II - Systems

Westminster, Colorado, United States

$79k-$135k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.

2+ YOEBS in Engineering plus 2+ years related test development experience; RF test and hardware/software integration; experience with MATLAB/Python/LabVIEW; ability to analyze test data and resolve anomalies; interim Secret clearance required to start.

MATLAB, Python, LabVIEW, Git, Keysight Network Analyzers, RF Measurement Tools

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RF Engineer

Greenwood Village, Colorado, United States

$85k-$115k/yr OnsiteFull Time

York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.

0+ YOEBS in Electrical Engineering or related field; 0-4 years RF/wireless experience; Python scripting; willingness to obtain DoD security clearance.

Python, Git, VNA, Spectrum Analyzer, 3D EM Software

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Jr. Infrared Hard Body Systems Engineer Level - Colorado Springs, CO

Colorado Springs, Colorado, United States

$90k-$112k/yr OnsiteFull Time

Davidson Technologies: Delivers engineering and technology solutions for national security missions.

2+ YOEBachelor in STEM with 2 years experience or Master in STEM with 0-2 years; programming in MATLAB/Python; DoD Secret clearance; missile/kinematics knowledge.

MATLAB, Python, LaTeX, CAD

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Flight Dynamics Engineer

Denver, Colorado, United States

$90k-$130k/yr HybridFull Time

AstroscaleTokyo Stock Exchange: 186A: Provides on-orbit satellite servicing and orbital debris removal solutions.

2+ YOEDevelop, validate navigation tools; support ground/navigation operations; collaborate on mission design and testing.

Matlab, Simulink, Python, C, C++, STK, GMAT, Orekit

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Associate Analytics Engineer

Denver, Colorado, United States

$81k-$92k/yr HybridFull Time

IbottaNYSE: IBTA: A platform offering cash back rewards for consumer purchases.

0+ YOE0-2 years data engineering/analytics; BS in CS/Engineering/Analytics; Python and SQL; ETL/ELT; data wrangling; problem solving; strong collaboration and communication.

Python, SQL, DataBricks, ETL/ELT concepts

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2026 Raytheon Part Time Co-op - SW Platform Engineer (Remote)

Aurora, Colorado, United States

$37k-$82k/yr RemotePart Time

RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.

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

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Customer Support Engineer

New York City or Denver

$77k-$109k/yr HybridFull Time

FastlyNYSE: FSLY: Provides edge cloud platform for content delivery and cybersecurity.

2+ YOE2-4 years in technical support, sysadmin, or network-focused role; strong HTTP/TCP/IP/TLS/DNS knowledge; coding familiarity (VCL, Python, Ruby/Go, JavaScript, Rust); proficient with SaaS control panels and RESTful APIs; strong written communication and diagnostic skills.

VCL, Python, Ruby, Go, JavaScript, Rust, RESTful APIs, CLI, DataDog, New Relic, Varnish, Varnish Configuration Language

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Space Ops Software Engineer Intern (Summer 2026)

Colorado Springs, Colorado, United States

$23-$40/hr OnsiteInternship

ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.

2+ YOEPursuing a computer science or related degree; 2+ years undergrad with GPA 3.0; strong analytical skills; Java experience; quick learner; English communication; US citizenship.

Java, Python, Vue.js, JavaScript, C++, C#, Git, VS Code, IntelliJ, Eclipse, Rust

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Environmental Test Engineer I

Westminster, Colorado, United States

$96k-$115k/yr OnsiteFull Time

CesiumAstro: Develops phased array communication systems for satellites and aircraft.

0+ YOEDesign and execute environmental tests for space/airborne products; develop test plans, fixtures, and data; collaborate with electronics/mechanical engineers; strong written/verbal communication.

Python

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Automation Engineer

Greenwood Village, Colorado, United States

$70k-$118k/yr OnsiteFull Time

Samuel Engineering: Integrated engineering, procurement, and construction services for industrial projects.

0+ YOEAutomation engineer level roles across IV to I with bachelor's degree; 0-10 years experience; EIT may be required; on-site position.

PLC, Python, MATLAB, SCADA

1mo

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1mo

Gogo Summer 2026 Graduate Intern –AI Engineer

Broomfield, Colorado, United States

$21-$27/hr OnsiteInternship

GogoNASDAQ: GOGO: Provides in-flight connectivity and entertainment for the aviation industry.

Pursuing Master’s in AI/CS/Data Science/Math; enrolled; 30-40 hrs/week; May-Aug internship; Python skills; LLM/RAG exposure.

Python

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Engineer II - Systems

Westminster, Colorado, United States

$79k-$135k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.

2+ YOEBS in Engineering with 2+ years of related experience; higher degrees may substitute for experience; proficiency in test planning, execution, and data analysis; hardware/software integration; OO programming.

MATLAB, Python, git, GitLab, SQL, LabVIEW, Keysight Network Analyzers, RF Measurement Equipment

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Missile Modeling IR Plume Engineer – Level 1

Colorado Springs, Colorado, United States

$105k-$115k/yr OnsiteFull Time

Crossflow Technologies: Provides engineering, cybersecurity, and modeling services for defense programs.

2+ YOEBachelors in STEM + 2 years or Masters in STEM with 0 years; active DoD Secret clearance; on-site daily; Python/Bash/MATLAB scripting; strong analytical and communication skills.

Python, Bash, MATLAB

2mo

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2mo

Space Vehicle Automation Engineer Intern

Greenwood Village, Colorado, United States

$22-$26/hr OnsiteInternship

York Space SystemsNYSE: YSS: Manufactures and operates cost-effective spacecraft and satellite platforms.

0+ YOEEnrollment in a 4-year engineering degree; freshman year completed; 40-hour week; Python, Linux, REST APIs, Git experience; onsite at Greenwood Village, CO; interest in space and future employment at York.

Python, Linux, REST APIs, Git

2mo

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2mo

Entry-Level Systems Engineer

Colorado Springs, Colorado, United States

$74k-$100k/yr OnsiteFull Time

BoeingNYSE: BA: Designs, manufactures, and sells airplanes, satellites, and defense systems.

0+ YOEBachelor’s degree or equivalent; related engineering experience via internships/co-ops; strong interest in missile defense systems.

DOORS, Cameo, SysML, Python, MATLAB, Java

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Database Engineer, Government Cloud

San Francisco or Washington or Denver or Seattle or Herndon

$117k-$177k/yr OnsiteFull Time

SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.

2+ YOE2+ years in distributed apps, containers, Kubernetes, AWS, database engineering, Linux, scripting; AI tools usage; log analytics; on-call readiness.

Docker, Kubernetes, AWS, PostgreSQL, Grafana, Prometheus, ELK (Elasticsearch, Logstash, Kibana), Splunk, Python, Shell, Golang

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Technical Support Engineer

Broomfield, Colorado, United States

$50k-$60k/yr OnsiteFull Time

Exabeam: A leading provider in behavior intelligence for enterprise security.

Bachelor's degree or equivalent experience in Computer Science, Information Systems, Engineering, or Cybersecurity; strong communication and foundational troubleshooting skills.

SIEM, cloud platforms, AWS, Azure, GCP, SQL, Python, Bash, ticketing tools

1mo

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1mo

Systems Engineer I

Denver, Colorado, United States

$83k-$104k/yr RemoteFull Time

DigitalOceanNew York Stock Exchange: DOCN: Simplifies cloud infrastructure for developers, startups, and SMBs.

0+ YOEEntry-level hardware firmware engineer; strong in server hardware concepts; experience with firmware deployment and automation.

Ansible, Chef, Git, Python, Go, Redfish, IPMI, PXE, UEFI, Linux, BIOS, OpenBMC