35 software engineer i jobs at 22 companies in Littleton, CO
2w
Save
Mark Applied
Hide
Engineer I - Software
Boulder or Broomfield or Westminster
$65k-$110k/yr OnsiteFull Time
BS in engineering or related required; experience with satellite ground systems, ground-system tools, cloud, web services, and back-end/front-end languages; eligible for Top Secret/SCI clearance.
COSMOS, ECLIPSE, OS/COMET, OASIS, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, SQL, NoSQL, JPA/ORM, Java, C++, Rust, Ada
2d
Save
Mark Applied
Hide
Software Development Engineer I
Louisville, Colorado, United States
$76k-$129k/yr OnsiteFull Time
1+ YOEBachelor's degree in Computer Science, Software Engineering, or STEM; 1+ years' software development experience; JavaScript, TypeScript, Python, React, REST APIs, HTML, CSS, and responsive design skills.
React, JavaScript, TypeScript, Python, REST APIs, HTML, CSS, Agile, Scrum, Waterfall, UML, PostgreSQL, SQL Server, Oracle, ArcGIS, ArcGIS Maps SDK for JavaScript, ArcGIS API for Python, Esri Calcite Design System
2d
Save
Mark Applied
Hide
Flight Software Engineer I
Littleton, Colorado, United States
$85k-$100k/yr OnsiteFull Time
Bachelor's degree in aerospace, computer science, electrical engineering, or equivalent; embedded software experience; C and C++; RTOS or Embedded Linux experience; U.S. citizenship required.
Real Time Operating System (RTOS), Embedded Linux, C, C++, Continuous Integration, CAN, CAN-FD, UDP, TCP, PDR, CDR
1d
Save
Mark Applied
Hide
CESM Software Engineer I
Boulder, Colorado, United States
$67k-$83k/yr HybridFull Time
Bachelor’s degree in a computer-related field or equivalent education and experience; software development skills, performance analysis, modernization, and one compiled language required.
Fortran, C, C++, MPI, OpenMP, OpenACC, JAX
1mo
Save
Mark Applied
Hide
Software Engineer I - Ground Software
Greenwood Village or Austin or Laurel
$70k-$125k/yr HybridFull Time
0+ YOEEarly‑career full‑stack engineer; 0–1 years experience; bachelor's (or pursuing) in CS or related; foundational React/Angular knowledge; familiarity with TypeScript, C#, REST, Git, SQL, front-end tools; ability to obtain security clearance.
React, TypeScript, C#, .NET, Docker, Kafka, REST, Yarn, Babel, Material-UI, Git, SQL, TanStack Query
3mo
Save
Mark Applied
Hide
Software Engineer I
East Lansing or Denver or Canada or India
$63k/yr HybridFull Time
No experience required. Proficiency in coding languages/frameworks, SDLC, Agile/Scrum; knowledge of relational and NoSQL databases helpful; strong communication, analytical skills, and ability to learn quickly.
Agile, Scrum, NoSQL, Relational databases, AI
2d
Save
Mark Applied
Hide
Flight Software Engineer I
Littleton, Colorado, United States
$85k-$100k/yr OnsiteFull Time
Bachelor's degree in a technical field, embedded software development experience, C and C++ proficiency, RTOS or Embedded Linux experience, and U.S. citizenship required.
Real Time Operating System (RTOS), Embedded Linux, C, C++, Continuous Integration, CAN, CAN-FD, UDP, TCP
2mo
Save
Mark Applied
Hide
Software Engineer I, QA
Denver or Long Beach
$65k-$110k/yr OnsiteFull Time
0+ YOE0-2 years in software QA/testing; BS in CS or related field; knowledge of SDLC, Agile; familiarity with Jira and Git; strong attention to detail and communication; US citizen eligible for DoD Secret or TS/SCI clearance
Playwright, Cypress, Selenium, API testing tools, Git, Jira, GitHub Actions, Jenkins
2mo
Save
Mark Applied
Hide
Staff Software Engineer, Salesforce
Beaverton or Denver or Seattle or Portland or Springfield or Toronto or Bengaluru
$195k-$221k/yr HybridFull Time
7+ YOEBachelor's/Master's in CS or related, 7+ years enterprise software experience with 4+ years on Salesforce; Salesforce Platform Developer I or II required; proficiency in Apex, LWC, Flows, SOQL, integrations, cloud platforms, and modern engineering practices.
Salesforce, Apex, Lightning Web Components, Flows, SOQL, ERP, CPQ, Revenue Cloud Advanced (RCA), Java, Python, Node.js, AWS, Azure, Google Cloud, REST APIs, Microservices, DevOps, CI/CD
3w
Save
Mark Applied
Hide
Project Engineer I- Software
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBS in Engineering plus 6+ years related experience, current Secret clearance with ability to obtain TS/SCI, experience leading software teams, agile leadership, Atlassian (Confluence,Jira).
Confluence, Jira, Jama, DOORS
3mo
Save
Mark Applied
Hide
Electronics Engineer I - SATCOM
Westminster, Colorado, United States
$82k-$98k/yr OnsiteFull Time
BS in Electrical Engineering; experience in board-level electronics design, analysis, and test; strong EE fundamentals; knowledge of software and mechanical interfaces; proficiency with lab equipment; excellent communication.
Altium, Cadence, KiCAD, LTSpice, Oscilloscopes, Power supplies, Multimeters, Logic analyzers
1mo
Save
Mark Applied
Hide
Software Engineer I, Model and Simulation
Broomfield, Colorado, United States
$90k-$125k/yr OnsiteFull Time
1+ YOE1-3 years modeling & simulation experience, 2-3 years C++ and Python, BS in a STEM field, strong OOP and distributed systems understanding, problem-solving and attention to detail.
C++, Python, Basalisk, STK, GMAT
5d
Save
Mark Applied
Hide
CIRES / NOAA NCEI Software Engineer Associate Scientist I
Boulder, Colorado, United States
$62k-$78k/yr HybridFull Time
Bachelor's degree in computer science, engineering, mathematics, physical sciences, or STEM field; programming proficiency and ability to independently write and maintain code. U.S. work authorization required.
Java, JavaScript, Bash, Linux, AWS, Crosschq
4d
Save
Mark Applied
Hide
2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
2mo
Save
Mark Applied
Hide
Senior Systems Software Engineer - Data Path
Centennial or Mendota Heights
$160k-$200k/yr HybridFull Time
15+ YOE15+ years C/C++ systems development experience; expertise in low-latency code, concurrency, distributed systems, storage protocols, Linux I/O and performance optimization; strong communication and teamwork; able to work hybrid in Centennial, CO or Mendota Heights, MN.
C, C++, NVMe-over-Fabrics (NVMe-oF), RDMA, Linux I/O subsystem, Linux, Kubernetes, Git, Jira, SMB, NFS
2w
Save
Mark Applied
Hide
Civil Engineer I
Lakewood, Colorado, United States
$65k-$80k/yr HybridFull Time
Bachelor's in civil engineering required. Entry-level role; EIT preferred. Experience with land/site development, drainage and modeling tools preferred; proficiency with civil design software and Microsoft Office required.
Civil3D, AutoCAD, AES, CIVILD, WSPGW, PCSWMM, StormCAD, HEC-HMS, HEC-RAS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft Projects
1mo
Save
Mark Applied
Hide
Electrical Engineer I
Lakewood, Colorado, United States
$70k-$85k/yr OnsiteFull Time
0+ YOEBSEE or BSEET, EIT/FE preferred, 0+ years engineering experience, AutoCAD and Microsoft Office proficiency, knowledge of power system software (Aspen, PSSE, ETAP, SKM), ability to travel ~25-30%.
AutoCAD, Microsoft Excel, Microsoft Word, Aspen, PSSE, ETAP, SKM, SCADA, PLC
3mo
Save
Mark Applied
Hide
Lead Engineer I - GenAI
Denver, Colorado, United States
HybridFull Time
5+ YOE5+ years software development and systems architecture experience; Bachelor’s in computer science/engineering required, Master’s preferred; strong Python, ML framework, microservices, REST, Azure, and GenAI experience.
Angular, TypeScript, Python, .NET Framework, C#, SQL, T‑SQL, Azure, App Services, Functions, SQL Database, DevOps, PyTorch, TensorFlow, scikit‑learn, Azure OpenAI, LangChain, LangGraph
2mo
Save
Mark Applied
Hide
Software Engineering Manager I
Denver, Colorado, United States
$120k-$160k/yr HybridFull Time
Proven experience leading development teams; hands-on with C#, Golang, TypeScript; familiarity with cloud (GCP/GKE), Google Spanner, Kafka, microservices, performance testing, mobile tech, and mentoring engineers.
Golang, Google Spanner, C#, SQL, GCP, Kafka, WPF, React, TypeScript, GKE, SaaS
4d
Save
Mark Applied
Hide
Engineer I
Aurora, Colorado, United States
$25/hr OnsiteFull Time
High school diploma or GED preferred, driver's license required, and some general maintenance, painting, or hotel engineering experience preferred. Must handle physical maintenance tasks and use basic computer skills.
Lockout/Tagout, computers
Explore Jobs