Python Test Software Developer Jobs in Fort Lupton, CO, US

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Software Test Automation Engineer

Niwot, Colorado, United States

$90k-$120k/yr HybridFull Time

Particle Measuring Systems: Manufactures particle counters and cleanroom contamination monitoring systems.

5+ YOEBS in CS or software engineering; 5+ years automation testing; strong scripting; framework development; CI/CD experience; cybersecurity awareness.

Java, Python, Selenium, Selenide, JUnit, Ranorex Studio, Jenkins, IntelliJ

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Early Career Software Test Engineer

Houston or Huntsville or Littleton or Sunnyvale

OnsiteFull Time

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

Proficiency in Perl, Python, and C++; active Interim Secret clearance or eligibility for final Secret; bachelor’s degree in a STEM field; ability to work onsite; experience across software lifecycle and testing disciplines.

Perl, Python, C++

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Sr Staff / Senior Python Software Engineer

Boulder, Colorado, United States

$126k-$175k/yr OnsiteFull Time

SciTec: Provides advanced remote sensing and missile defense technology solutions.

6+ YOEBachelor’s degree in CS/Engineering/Math/Physical Sciences; 6+ years of professional Python software engineering; microservices and distributed systems; real-time data processing pipelines; automated testing; Linux; Git; DoD clearance; strong communication.

Python, Linux, Docker, Git, pytest, CI/CD, Microservices, Distributed Systems, REST APIs, protobuf, ZeroMQ, Kafka, gRPC

1mo

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1mo

Software Test Engineer III

Centennial, Colorado, United States

$130k-$178k/yr OnsiteFull Time

Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation

5+ YOEBachelor's degree or equivalent; 5+ years software testing experience; Agile/Scrum; ability to obtain/maintain U.S. security clearance; strong communication and mentoring skills.

Linux, Python, JavaScript, Shell, CI/CD, JIRA, TestRail

1mo

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1mo

Software Development Engineer in Test

Westminster, Colorado, United States

$78k-$108k/yr OnsiteFull Time

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

2+ YOE2-5 years of programmatic web system testing; HTTP/REST/Auth experience; proficient in TypeScript/Java/JavaScript/Python; BS in CS.

TypeScript, JavaScript, Java, Python, HTTP, REST, OAuth2, AWS

2mo

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2mo

Specialist Software Development Engineer in Test (SDET)

Fort Collins or Durham or Spring

$98k-$185k/yr HybridFull Time

Hewlett Packard EnterpriseNYSE: HPE: Provides enterprise computing, storage, networking, and cloud services.

4+ YOEBS/MS in CS or Engineering; 4-6 years of software test automation; experience with Playwright/Selenium; Java/TypeScript/Python; Agile; strong debugging and test planning.

Playwright, Selenium, Java, TypeScript, Python, Agile

2mo

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2mo

Expert Software Development Engineer in Test (SDET)

Ft. Collins or Durham or Spring

$106k-$243k/yr HybridFull Time

Hewlett Packard EnterpriseNYSE: HPE: Sells enterprise servers, storage, networking equipment, and cloud services.

6+ YOEBS/MS in CS or Engineering with 6-9 years of software test automation; Playwright/Selenium; Java/Typescript/Python; Agile testing; regression/performance testing.

Playwright, Selenium, Java, Typescript, Python

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Software Development Engineer In Test, Verifications

Denver, Colorado, United States

$100k-$135k/yr HybridFull Time

bet365: Provides global online sports betting and digital casino games.

5+ YOEDesign automated test suites for complex systems; use AI for testing; CI/CD; languages: C#, JavaScript/TypeScript, Python, Go; Docker/Kubernetes; cloud platforms; mentoring.

Go, React, JavaScript, TypeScript, Python, C#, Docker, Kubernetes, Git, Google Cloud, AWS, Azure, CI/CD

2mo

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2mo

Principal Software Development Engineer in Test (SDET)

Ft. Collins or Durham or Spring

$126k-$239k/yr HybridFull Time

Hewlett Packard EnterpriseNYSE: HPE: Provides cloud, networking, and server solutions for enterprise businesses.

8+ YOEBS/MS in CS/Engineering or equivalent; 8-12 yrs in software test automation; Playwright/Selenium; Java/Typescript/Python; Agile; regression/scale/performance testing; strong troubleshooting and communication.

Playwright, Selenium, Java, TypeScript, Python, Agile, Test automation, UI testing, API testing, Regression testing, Performance testing, Containers, Terraform, Ansible

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Software Test Lead

Arlington or San Diego or Woburn or Denver

$157k-$224k/yr HybridFull Time

Systems & Technology Research: Develops advanced technology for national security and defense applications.

7+ YOEBS CS/IT or related; 7+ years testing; test lead experience; automation; DevSecOps; Python, Kafka, REST; GitLab CI/CD; Kubernetes; Docker; Java; pytest/JUnit; Selenium/Playwright.

Python, Kafka, REST, GitLab CI/CD, Kubernetes, ELK stack, Docker, Java, pytest, JUnit, Selenium, Playwright

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Staff Software Engineer

Westminster, Colorado, United States

$102k-$170k/yr HybridFull Time

Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.

5+ YOEUS citizen; BS degree in CS or Engineering or equivalent experience; 5+ years in complex software development; Python web services; Linux; REST/JSON/YAML; test automation experience.

Python, Django, Linux, REST/JSON/YAML, Cucumber, Gherkin, Behave, Kubernetes, Docker, Jenkins, Helm, Terraform, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Ruby, Go, CI/CD

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Senior Software Developer

Louisville, Colorado, United States

$118k-$144k/yr OnsiteFull Time

CableLabs: Research and development for the broadband and cable industry.

5+ YOE5+ years of professional software development; strong SQL; Python; Git; REST APIs; pytest or similar testing; CI/CD experience; ability to own features end-to-end.

Python, SQL, Git, REST APIs, pytest, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI

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Senior Software Engineer

Longmont, Colorado, United States

$115k-$145k/yr OnsiteFull Time

Intrado: Provides technology and infrastructure for emergency 911 communication services.

5+ YOE5+ years of professional software development; automation testing frameworks; Java, Python, JavaScript/TypeScript, or C#; backend services/APIs; CI/CD; AI-assisted tools.

Playwright, Cypress, Selenium, pytest, REST-assured, Criterion, Java, Python, JavaScript/TypeScript, C#, Copilot, Claude

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Engineer Senior – Embedded Software

Boulder, Colorado, United States

$97k-$165k/yr OnsiteFull Time

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

4+ YOEBS degree or higher; 4+ years’ related experience; active Top Secret/SCI clearance; Rust, C/C++, Python, Embedded Linux; FPGA interaction; MQTT/ZeroMQ; Yocto/PetaLinux; software design, development and testing.

Rust, C/C++, Python, Embedded Linux, Yocto, PetaLinux, MQTT, ZeroMQ, UML

2mo

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2mo

Test Engineer - Secret Clearance Required

Littleton, Colorado, United States

$80k-$100k/yr HybridFull Time

Sherpa 6: Develops mission-critical technology and engineering solutions for defense organizations.

2+ YOEMinimum 2 years of test automation experience; Bachelor's in Information Technology or related field; programming skills (Java, Groovy, JavaScript, Python); cloud services experience (AWS,AWS, Azure, GitHub, Bitbucket); Selenium; Docker; Jira/Rally; CI tools (Bamboo, Jenkins); Mac/Linux proficiency; strong QA skills; agile testing; US citizenship; ...

AWS, Azure, GitHub, Bitbucket, Selenium, Docker, Jira, Rally, Bamboo, Jenkins

1mo

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1mo

Quantum Compiler Test Engineer - 739

Broomfield, Colorado, United States

$130k-$145k/yr OnsiteFull Time

Quantinuum: Building full-stack quantum computing hardware and software systems.

5+ YOEDesign and implement black-box testing for quantum compiler; validate circuits; overview benchmarking; strong Python and quantum programming skills.

Python, Qiskit, Cirq, pytket, Guppy, Q#, QASM

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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

1mo

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1mo

Senior Embedded Software Engineer

Louisville, Colorado, United States

$140k-$175k/yr HybridFull Time

InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.

5+ YOEBachelor's or master's in electrical/embedded systems; 5+ years hardware validation; proficient in C/C++/Rust; Python; Linux; test equipment; Git.

C/C++, Rust, Python, Linux, Git, Oscilloscope, DMM, OSA, VNA, UART, SPI, I2C, USB

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Senior Software Development Engineer in Test (SDET)

Denver or Atlanta

$155k-$185k/yr HybridFull Time

Todyl: Provides a unified cloud-native cybersecurity platform for small businesses.

10+ YOE10+ years in software quality assurance; test automation frameworks; Agile/CI-CD; networking fundamentals; Linux; scripting; REST/gRPC; PCAP tools like Wireshark/tcpdump; network testing tools.

Wireshark, tcpdump, iperf, curl, mtr, Linux, Python, Bash, REST, gRPC, TCP/IP, DNS, DHCP

2mo

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2mo

Senior Electronics Test Engineer II - Automation & Test

Westminster, Colorado, United States

$134k-$161k/yr OnsiteFull Time

CesiumAstro: Designs software-defined phased array communication systems for space missions.

6+ YOEBS/MS/PhD in Software or Computer Engineering; 6+ years spacecraft software testing; Python/C/C++ automation; OpenC3 COSMOS; debugging and strong communication.

Python, C, C++, OpenC3 COSMOS, Linux, Git, Docker, CI/CD

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Senior Engineer - Advanced Test Software

Aurora, Colorado, United States

$97k-$165k/yr OnsiteFull Time

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

4+ YOEBS in Engineering or related technical field; 4+ years experience; Python and Ruby; hardware interfacing; CI/CD; containerization; software lifecycle; security clearance not required to start but obtainable; strong communication.

Python, Ruby, Docker, Podman, CI/CD, Git, OpenC3 COSMOS, Linux, Windows, BASH, PowerShell, LabVIEW, Veristand, RF/Instrumentation

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Senior Engineer - Advanced Test Software

Aurora, Colorado, United States

$97k-$165k/yr OnsiteFull Time

BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.

4+ YOEBachelor's degree in engineering or related field; 4+ years experience; strong Python/Ruby; hardware test integration; CI/CD; Docker/Podman; Linux/Windows scripting; TS/SCI security preferred; Top Secret/SCI clearance may be required.

Python, Ruby, Docker, Podman, CI/CD, Linux, Windows, Bash, PowerShell, LabVIEW, Veristand, OpenC3 COSMOS, Ruby on Rails, OpenC3Cosmos

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Device Management DevOps Software Engineer

Carlsbad or Germantown or Duluth or Tempe or Englewood or Seattle

$117k-$185k/yr HybridFull Time

ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.

3+ YOE3-5 years software engineering; strong problem-solving; clean, maintainable code; excellent communication; agile DevOps; RESTful API design; CI/CD; automated testing.

Python, Java, Clojure, Kubernetes, Docker, AWS, GCP, Azure, REST, CI/CD, NoSQL, SQL

1mo

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1mo

Principal Software I&T Engineer (Contract)

Arlington or Denver or Houston or Merritt Island

RemoteContract

Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.

15+ YOEEmbedded software, testing, and flight software development; 15+ years experience with B.S. or 12+ with M.S.; US citizenship; ability to obtain clearance; periodic travel.

C/C++, TCL, Python, Embedded software development and testing, RTOS, Device driver development, GNC algorithms, Software safety assurance, Test scripting, Simulators, HIL

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Senior Systems Test Engineer

Broomfield, Colorado, United States

$120k-$150k/yr HybridFull Time

Lightship: Manufacturer of aerodynamic all-electric recreational travel trailers.

5+ YOEDesign and implement automated test infrastructure for embedded software/hardware; 5+ years testing firmware; experience with HIL, CAN, Python, CI; safety-critical systems.

Python, C/C++, CAN, UART, MATLAB, Simulink, Jenkins, Pytest, TestRail, dSpace, Speedgoat, VeriStand

1mo

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1mo

Full Stack Software Engineer (TS/SCI) {S}

Aurora, Colorado, United States

$105k-$185k/yr OnsiteFull Time

ARKA Group: Develops advanced space-based sensing and geospatial intelligence technologies.

3+ YOEActive TS/SCI clearance, BS in CS or related field, 3+ years Java/C#/Python, 1+ year JavaScript/TypeScript, experience with Java and Spring Boot or Quarkus, SDLC knowledge, collaborative, unit/integration tests, RESTful APIs, microservices, Agile/Scrum.

Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, RESTful APIs, Microservices, Agile/Scrum, Git, Jira, Confluence, React, Angular, Kubernetes, AWS, Azure

1mo

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1mo

Senior Software Engineer (Big Data)

Westminster, Colorado, United States

$89k-$165k/yr HybridFull Time

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

5+ YOE5+ years of big data software development; proficient in Scala/Python/Java; strong Spark; AWS; Databricks; SQL; data pipelines; unit/integration testing.

Apache Spark, Hadoop, Hive, AWS, Databricks, Kubernetes, Docker, Airflow, ELK

1mo

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1mo

Senior Software Engineer I, Fullstack (AI)

Denver, Colorado, United States

OnsiteFull Time

LG Ad Solutions: Provides advertising and data solutions for connected TV platforms.

3+ YOE3+ years of full-stack experience; React/Angular/VueJS/TypeScript; NodeJS; relational and NoSQL databases; testing; AI tooling awareness.

React, AngularJS, VueJS, TypeScript, NodeJS, MySQL, MongoDB, Redis, Go, Python, Docker, Kubernetes, CI/CD, Tableau, Databricks, GenAI

2mo

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2mo

Senior Airborne Platform Automation Test Engineer

Broomfield, Colorado, United States

$100k-$125k/yr OnsiteFull Time

GogoNASDAQ: GOGO: Provides broadband connectivity and entertainment for business and military aircraft.

4+ YOESenior QA engineer with 4-7 years testing software/firmware; strong automation scripting; Python 3; Linux networking; experience with Linux OS and TCP/IP/UDP.

Python 3, Linux, Jenkins, Git, Docker, Linux networking, ARINC, DO-178C, TCP/IP, UDP

1mo

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1mo

Software Engineering Advisor - Hybrid

Raleigh or Austin or Bloomfield or Denver or Bloomington or Morris Plains or Plano

$112k-$186k/yr HybridFull Time

The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.

8+ YOE8+ years in software automation testing; 3+ years in Agile; automation tools Selenium, Cucumber, Java, Cypress, Robot Framework (Python); OO programming; relational databases; GitHub; strong communication.

Selenium, Cucumber, Java, Cypress, Robot Framework (Python), GitHub, Object-Oriented Programming, Relational Databases, JavaScript, TypeScript, AWS, DynamoDB, S3, Lambda, Pega

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Automation Engineer

Denver, Colorado, United States

$80k-$120k/yr HybridFull Time

Litera: AI-powered document and workflow software for legal professionals.

4+ YOE4+ years in modern test automation; strong programming in TypeScript/JavaScript/Java/Python; design/build of scalable test frameworks; CI/CD experience; cloud experience (AWS/Azure/GCP).

Playwright, Selenium, JUnit, TestNG, TypeScript, JavaScript, Java, Python, GitHub Actions, GitLab, Azure DevOps, AWS, Azure, GCP

1mo

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1mo

Staff SW Engineer

Highlands Ranch, Colorado, United States

$136k-$199k/yr HybridFull Time

VisaNYSE: V: Global payments network facilitating electronic funds transfers.

5+ YOEBachelor's in CS/IS/SE with 5 years of software eng experience or Master's with 2 years; experience with SAS, testing, automation, and tools like Git, Jenkins, JIRA; strong Java/JavaScript/C#/Python; knowledge of ISO 8583 and JSON/XML.

Git, Maven, JIRA, Jenkins, TPF, Java, JavaScript, C#, Python, Unix Shell Scripting, JSON, XML, SOAP, HTML, CSS

1mo

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1mo

V&V and Operations Tools Developer

Broomfield, Colorado, United States

$114k-$150k/yr OnsiteFull Time

IonQNYSE: IONQ: Develops and sells trapped-ion quantum computers and cloud services.

Develop tools and automation for hardware-in-the-loop testing, data acquisition, and testbed management. Proficient in Python, Linux, Docker, and OOP; experience with REST microservices and observability a plus.

Python, Docker, Linux, Bash, REST, Pandas, Matplotlib

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Senior Engineer, Advanced Reliability Test Engineering (Longmont, CO, US)

Longmont or Shakopee

$92k-$132k/yr OnsiteFull Time

Seagate TechnologyNASDAQ: STX: Seagate manufactures hard disk drives and data storage solutions.

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

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Senior AI/ML Engineer, Validation Strategy & Test Architecture

Longmont or Boise

$91k-$193k/yr OnsiteFull Time

Micron TechnologyNASDAQ: MU: Designs and manufactures semiconductor memory and data storage solutions.

4+ YOE4+ years in industry; 5+ years software development in Python; ML fundamentals; experience with ML frameworks; production ML deployment.

Python, scikit-learn, TensorFlow, PyTorch, LLMs, CI/CD, model monitoring

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Marketing Web Developer

Irvine or Lakewood or Las Vegas or Mesa or Provo or San Diego or Seattle

$133k-$175k/yr HybridFull Time

Google Fiber: Provides high-speed fiber-optic and wireless internet access services.

4+ YOE4 years React/Typescript/JavaScript; Bachelor's degree or equivalent; experience with A/B testing and analytics platforms.

React, Typescript, JavaScript, Optimizely, Google Analytics 4, Google Tag Manager, BigQuery, Contentful, Sanity, KMS Lighthouse, Python

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Senior/Lead QA Engineer

Boulder, Colorado, United States

$90k-$125k/yr OnsiteFull Time

Shotover Systems: Manufacturer of gyro-stabilized airborne camera systems and AR software.

5+ YOE5+ years software QA/testing; 2+ years in lead/senior QA; degree in engineering or CS; OS knowledge; Python scripting; regression testing; release management.

Python, Wireshark, TCP Dump, Regression testing tools, Release management tools

1mo

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1mo

Principal GNC Engineer

Denver or Long Beach

$180k-$260k/yr OnsiteFull Time

True Anomaly: Develops autonomous spacecraft and software for space security missions.

15+ YOELead end-to-end GNC design, testing, and operations; develop flight software; perform state estimation, sensor fusion, and navigation analyses; mentor engineers.

C++, Python, GNC flight software, Star trackers, IMUs, GNSS, 6-DOF simulations, SIL/HIL, Monte Carlo, covariance analysis

1mo

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1mo

Intern - Engineer

Boulder, Colorado, United States

$19-$30/hr OnsiteFull Time, Internship

Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.

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)