📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Java Python Developer Jobs in Kersey, CO, US
120+ java python developer jobs from 41 companies hiring in Kersey, CO, US.
3mo
Save
Mark Applied
Hide
Senior Java Software Engineer (Onsite)
State College or Fort Meade or Aurora
$87k-$165k/yr OnsiteFull Time
5+ YOEActive TS/SCI with Polygraph; 5+ years STEM software experience; Java in Linux; scripting (Perl/Python); Agile/DevOps.
Java, Linux, JUnit, Perl, Python, Agile, DevOps, Jenkins, Ansible, Spring, Containers, Git, SQL, Scripting
4d
Save
Mark Applied
Hide
Software Engineer
Aurora, Colorado, United States
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years software development; Java, Python, Rust, or Go; microservices; TS/SCI/Top Secret clearance; Bachelor's degree.
Java, Python, Rust, Go, Docker, Kubernetes, Linux
2mo
Save
Mark Applied
Hide
Senior Cloud Developer - Virtualization
Fort Collins or Spring or Andover
$144k-$273k/yr HybridFull Time
7+ YOESenior cloud developer with 7-10 years of experience in cloud architectures and microservices; proficient in Python, Java, Golang, or JavaScript; Kubernetes experience.
Python, Java, Golang, JavaScript, Kubernetes, Docker, Microservices, Cloud-native
2mo
Save
Mark Applied
Hide
Principal Cloud Developer
Fort Collins, Colorado, United States
$152k-$349k/yr HybridFull Time
10+ YOESenior cloud developer with 10+ years experience in Python/Java/Golang/JavaScript; strong design and leadership skills; cloud security knowledge.
Python, Java, Golang, JavaScript
4w
Save
Mark Applied
Hide
Software Engineer
Westminster, Colorado, United States
$74k-$137k/yr OnsiteFull Time
1+ YOE1+ years software development experience with Java/Python; SQL; Unix; BS in CS/CE; cloud and big data tech a plus.
Java, Python, SQL, Unix, Hadoop, Spark, Spring, Hibernate, Maven, Angular, Docker, Kubernetes, AWS, Databricks, AI tools
2mo
Save
Mark Applied
Hide
Software Engineer
Fort Collins, Colorado, United States
$144k-$273k/yr HybridFull Time
7+ YOEBachelor’s or Master’s in CS/Engineering/IS; 7-10 years’ experience; strong Python/Java/Golang/JavaScript; microservices and Kubernetes; cloud-native development.
Python, Java, Go, JavaScript, Kubernetes, Docker, Cloud platforms, Microservices
3d
Save
Mark Applied
Hide
Full Stack Developer
Denver or Naperville
$95k-$115k/yr HybridFull Time
2+ YOEExperience building UI and backend services with Java, Node.js, SQL, and Python; API/DB development; collaborative mindset; familiar with modern web technologies and DevOps; financial services experience a plus.
Java, Node.js, SQL, Python, APIs, Web Sockets, Unix, SQL Databases
4w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
Senior Software Engineer
Longmont, Colorado, United States
$115k-$145k/yr OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
Software Engineer
Westminster, Colorado, United States
$106k-$145k/yr OnsiteFull Time
Proficiency in C#, Java, or Python; experience building microservices and RESTful APIs; familiarity with Agile; relational/document databases; optional cloud and DevOps exposure.
C#, Java, Python, Microservices, RESTful APIs, Agile, AWS, Azure, GCP
3w
Save
Mark Applied
Hide
Principal Software Development Engineer (P5)
Boulder, Colorado, United States
$182k-$274k/yr HybridFull Time
12+ YOE5+ Mgmt12+ years backend software development, Java, RESTful APIs, SQL, CI/CD, leadership/architecture experience.
Java, REST, SQL, Kubernetes, Docker, CI/CD, Jenkins, TestRail, Python, Scala
1w
Save
Mark Applied
Hide
Software Engineer
Aurora, Colorado, United States
OnsiteFull Time
5+ YOEBachelor’s degree in software engineering, computer science, information systems, or equivalent; 5+ years in software engineering; Java/JEE/C++/Python; SpringBoot, Mockito, Lombok, OpenAPI; microservices and containerization; systems design; TS/SCI clearance with polygraph.
Java, JEE, C++, Python, SpringBoot, Mockito, Lombok, OpenAPI, Swagger, Kafka, MongoDB, ActiveMQ, NiFi, Gradle, Git, AWS, Linux, Kubernetes, Helm
4w
Save
Mark Applied
Hide
Full Stack Software Engineer
Aurora, Colorado, United States
$90k-$190k/yr OnsiteFull Time
3+ YOEActive TS/SCI clearance; BS in computer science or related field; 3+ years Java/C#/Python; 1+ year JavaScript/Typescript; experience with Java/Spring Boot or Quarkus; SDLC; microservices and REST APIs; Agile/Scrum.
Java, C#, Python, JavaScript, Typescript, Spring Boot, Quarkus, AWS, Azure, Kubernetes, Git, GitLab, Jira, Confluence, REST, SDLC
2mo
Save
Mark Applied
Hide
Advisory Software Engineer
Boulder, Colorado, United States
$93k-$110k/yr OnsiteFull Time
5+ YOEMS in CS/CE/EE or related field; 5+ years in software development; strong C/C++, Rust, Python; Linux IPC; AI/ML experience; Agile; travel up to 10%
C++, Rust, Python, Git, CI/CD, SQL, Java, JavaScript, AWS, Django, ReactJS, Linux
2w
Save
Mark Applied
Hide
Web Solutions Engineer III, gTech Ads
Boulder, Colorado, United States
$129k-$185k/yr OnsiteFull Time
4+ YOEBachelor's in CS/EE/Math or equivalent practical experience; 4 years full-stack dev and system design; backend (Java, Python, C++); frontend (JavaScript/TypeScript); databases (SQL/NoSQL).
Java, Python, C++, JavaScript, TypeScript, SQL, NoSQL
2mo
Save
Mark Applied
Hide
Staff Software Engineer (Secret) {S}
Aurora, Colorado, United States
$130k-$185k/yr HybridFull Time
5+ YOEBachelor's in CS or related; 5+ years in Java/C#/Python; 1+ year in JavaScript/TypeScript; in-office 3+ days/week; experience with Spring Boot/Quarkus; SDLC; microservices and REST APIs; active Secret clearance.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, REST APIs, Kubernetes, AWS, Azure, React, Angular, Git, Jira, Confluence
2mo
Save
Mark Applied
Hide
Staff Software Engineer (Secret) {S}
Aurora, Colorado, United States
$130k-$185k/yr HybridFull Time
5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JavaScript/TypeScript; in-office 3+ days; Spring Boot/Quarkus; SDLC; RESTful APIs; microservices; Agile; active Secret clearance.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, AWS, Azure, Kubernetes, Git, Jira, Confluence, REST APIs, Microservices
4w
Save
Mark Applied
Hide
Staff Software Reliability Engineer (Longmont, CO, US)
Longmont or Shakopee
$106k-$154k/yr OnsiteFull Time
6+ YOEBS in CS/engineering; 6+ years in collaborative development; strong C/C++ and Python; Linux OS/Kernel and HBA driver/firmware; CI/CD; storage (HDD/SSD) knowledge; JIRA tools; experience with CI/CD environments; familiarity with NVMe, SATA/SAS; Java/JavaScript helpful.
C, C++, Python, Linux, JIRA, Fisheye, Bamboo, Bitbucket, CI/CD, NVMe, SATA, SAS, Java, JavaScript
3w
Save
Mark Applied
Hide
Lead Firmware Engineer (C++ Embedded) (Fort Collins, CO, US, 80525)
Fort Collins, Colorado, United States
$130k-$175k/yr OnsiteFull Time
8+ YOE8+ years embedded software engineering; C/C++, MCU (ARM); I2C/SPI/PCIe/Ethernet/USB; scripting (Python/Java/NodeJS/Perl) experience; hardware interfacing; leadership skills.
C, C++, Embedded Systems, Python, Java, NodeJS, Perl, I2C, SPI, PCIe, Ethernet, USB, DDR3/4, ARM
1w
Save
Mark Applied
Hide
Software Engineer
Boulder, Colorado, United States
$120k-$160k/yr OnsiteFull Time
5+ YOE5+ years software engineering; Bachelor's in science/engineering/computer science; Java and C/C++; scripting; SQL; DoD SECRET clearance; onsite in Boulder, CO; DevSecOps focus; CI/CD; Kubernetes/Docker; strong collaboration and communication.
Java, C/C++, Python, Unix Shell Scripting, Batch File, Windows Script File, SQL, Windows, Linux, Kubernetes, Docker, OpenShift
3w
Save
Mark Applied
Hide
Software Engineer
Boulder, Colorado, United States
$120k-$145k/yr OnsiteFull Time
3+ YOEUS citizenship; Bachelor’s in computer science; 3+ years in software development, with OPIR domain experience; eligibility for Secret clearance.
Typescript, Python, Java, DevSecOps
2mo
Save
Mark Applied
Hide
Sr Software Engineer
Norcross or Omaha
HybridFull Time
5+ YOE5-8 years in software development; proven leadership; payments/regulated industry preferred.
Java, J2EE, Python, Spring Boot, REST API, PostgreSQL, Oracle, CI/CD (Jenkins, Azure Pipelines), Docker, Kubernetes, AWS, Prometheus, Grafana, RabbitMQ, Angular, Confluence, Azure DevOps, Claude, Microsoft Copilot
1w
Save
Mark Applied
Hide
Sr Software Engineer
Lafayette, Colorado, United States
$125k-$187k/yr OnsiteFull Time
4+ YOEBachelor's in CS or engineering; 4+ years of software development; 4+ years with C++; embedded programming; OOA&D concepts; strong software practices; Agile experience.
C++, Python, Rust, Java, Git, GNU/Linux, Scrum, Scaled Agile Framework, Test Driven Development
1w
Save
Mark Applied
Hide
Field Site Senior ISR Engineer / Analyst - Colorado
Aurora, Colorado, United States
$100k-$245k/yr OnsiteFull Time
7+ YOEBachelor's in engineering or related field; 7+ years experience; expertise in ISRT-related areas; proficiency in MATLAB/Python/C++/Java; strong communication; multi-tasking; willingness to work at Denver sites; eligible for U.S. citizenship and security clearance.
MATLAB, Python, C++, Java, Linux
2mo
Save
Mark Applied
Hide
Software Developer III
Aurora, Colorado, United States
$98k-$171k/yr OnsiteFull Time
3+ YOEMid-level software engineer with experience in Java, Scala, Python, and Go; strong algorithms, Kalman/IMM filters, data fusion, and back-end systems; familiarity with PostgreSQL, Hadoop, Kafka, and cloud tools.
Kafka, AWS, NiFi, GeoMesa, Kalman filter, IMM filter, Java, Scala, Python, Golang, PostgreSQL, Hadoop, Git, Docker, Kubernetes, Knative, Helm, Rancher, Azure, CI/CD
1w
Save
Mark Applied
Hide
Engineer II – Ground/Application Software
Aurora, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBS in engineering with 2+ years of related experience; active Secret clearance with ability to obtain TS/SCI; cloud, embedded, and software development experience.
AWS, Docker, Kubernetes, Lambda, Spring, Jersey, Flask, Ruby on Rails, JavaScript, Angular, React, Java, C++, Python, Qt, PostgreSQL, SQL, NoSQL, JPA/ORM, MVC
2w
Save
Mark Applied
Hide
Application Developer
Broomfield, Colorado, United States
$78k-$97k/yr HybridFull Time
2+ YOEBachelor’s degree in CS/related field or equivalent; 2 years financial institution dev experience; strong programming skills; familiarity with enterprise platforms and SDLC.
PowerOn, SQL, HTML, JavaScript, C#, Java, COBOL, RPG, Unix, Python, PowerShell, Bash, ITIL
1w
Save
Mark Applied
Hide
Software Test Automation Engineer
Niwot, Colorado, United States
$90k-$120k/yr HybridFull Time
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
1w
Save
Mark Applied
Hide
Senior Software Systems Engineer
Westminster, Colorado, United States
$134k-$161k/yr OnsiteFull Time
5+ YOEBachelor's in related field; 5-8 years in systems/software engineering; Python, C++, C, Java, Bash; experience decomposing system requirements; verification planning.
Python, C++, C, Java, Bash
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Mid-level Full Stack Software Engineer
Herndon or Westminster
$125k-$145k/yr OnsiteFull Time
8+ YOEUS citizen with TS/SCI poly; 8+ years in frontend and backend development, REST APIs, databases; able to work with distributed teams.
React, Angular, Vue, Python, Java, JavaScript, Node.js, REST, SQL, NoSQL, Linux, Kubernetes, Spark, Hadoop, Kafka, NiFi, Airflow, OpenStack, AWS, Azure, GCP, CI/CD
2w
Save
Mark Applied
Hide
Site Reliability Engineer II
Denver, Colorado, United States
$75k-$120k/yr HybridFull Time
2+ YOE2-3.5 years in SRE/DevOps or software engineering; SRE fundamentals; coding in C#, .NET, Java, Python, or React; AWS, CI/CD, IaC; Linux/Windows; BS in CS.
AWS, CI/CD, GitLab, Jenkins, Infrastructure as Code, Linux, Windows, Relational Databases, Python, Java, C#, .NET, React
3mo
Save
Mark Applied
Hide
Software Engineer, Senior
Aurora, Colorado, United States
$100-$120/hr OnsiteFull Time
20+ YOE20+ years of software engineering experience; experience in complex systems; TS/SCI clearance with polygraph; Bachelor's degree or HS Diploma with 24+ years of experience; strong communication and team collaboration.
Java, AWS, Docker, Kubernetes, JIRA, OCI containers, Python, Pydantic, ReactJS, SQL
2w
Save
Mark Applied
Hide
Engineer Senior - Ground Software Developer
Fairborn or Boulder or Broomfield
$88k-$150k/yr OnsiteFull Time
4+ YOEBS degree in Engineering or related field plus 4+ years of experience; active Top Secret/SCI clearance with polygraph; experience in Java, RESTful services, SpringBoot, Kubernetes, Git, Kafka/MongoDB; leadership experience.
Java, SpringBoot, Mockito, Lombok, OpenAPI, REST, Kubernetes, Helm, Git, Kafka, MongoDB, ActiveMQ, NiFi, Python, C++
3w
Save
Mark Applied
Hide
Lead Sr Staff Software Engineer - Front End Fundamentals
Bellevue or Boulder or Chicago or Denver or Irvine or Los Angeles or New York or San Francisco or San Jose or Seattle or Ventura
$166k-$305k/yr HybridFull Time
13+ YOE1+ MgmtSenior frontend leadership role requiring 13+ years of software development, 1+ year of people management, strong TypeScript/JavaScript or other languages, cloud and distributed systems experience, and mentoring.
TypeScript, JavaScript, C#, Java, C, C++, Python, SQL, Scala
2mo
Save
Mark Applied
Hide
Software Developer IV
Aurora, Colorado, United States
$106k-$190k/yr OnsiteFull Time
3+ YOEBachelor's degree plus extensive software development experience; 6+ years with bachelor, 4+ with master, or 2+ with PhD; strong tracking, data fusion, and software skills.
Java, Scala, Python, Golang, PostgreSQL, Hadoop, Kafka, HBase, Accumulo, Git, Docker, Kubernetes, Knative, Helm, Rancher, AWS, Azure
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Site Reliability Engineer, Senior
Chantilly or Aurora
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years Linux system engineering; 2+ years software development with Java, Python, Rust, or Go; experience with Jenkins, Packer, Git, Docker, Kubernetes, Nessus, Jira, Confluence; TS/SCI clearance with polygraph; HS diploma or GED; ability to obtain Security+ CE, SSCP, CCNA-Security, or GSEC within 6 months.
Jenkins, Packer, Git, Docker, Kubernetes, Nessus, Jira, Confluence, Linux
1mo
Save
Mark Applied
Hide
Staff Engineer - AI
Fort Collins, Colorado, United States
$152k-$225k/yr HybridFull Time
BillGO: Digital bill payment network for businesses and consumers.
10+ YOE10+ years software engineering; proven AI/ML in production; payments/fintech experience a plus; strong backend, distributed systems, cloud, CI/CD, containers; leadership in AI initiatives.
Java, C#, Python, AWS, Azure, Docker, Kubernetes, CI/CD
3w
Save
Mark Applied
Hide
Product Line Development Lead Level 5
Aurora, Colorado, United States
$177k-$266k/yr OnsiteFull Time
12+ YOEBachelor’s or Master’s degree in Science with 10+ years (Bachelor’s with 12+ years) of relevant experience; active Top Secret clearance with SCI eligibility; experience leading software development teams; strong Java/Python coding; containerization with Kubernetes; cross-functional communication.
Java, Python, Kubernetes, Elasticsearch, MongoDB, MySQL, Linux, Jira, Confluence, Bitbucket
HiringCafe market data
Java Python Developer Jobs market signals in Kersey, 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
120+
Hiring companies
41
Fresh sample
51% new in 30d
Salary visibility
96% show pay
Companies appearing in this market
Hewlett Packard EnterpriseARKA GroupBooz Allen HamiltonCACIGoogleNorthrop GrummanPublicis GroupeRTX
Work location mix in visible results
Onsite: 46Hybrid: 34Remote: 2