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Trainee Junior Python Developer Jobs in Denver, CO

CACI

Junior Application Developer

Denver, CO

$53K - $106K/yr

Junior Application Developer Job Category: Information Technology Time Type: Full time Minimum ... Implement web application functionality using Java and/or Python and modern frameworks. Support ...

Contexture

Junior Software Developer

Denver, CO · On-site

$5.1K - $5.8K/mo

Extremely High Summary The Junior Software Developer will be responsible for the development and ... Understanding of Object-Oriented software development using languages such as C++, C#, or Python.

Vets Hired

Jr. Software Developer

Aurora, CO · On-site

$68K - $88K/yr

... prior relevant software engineering/development experience. Additional experience may be ... Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL Experience with User Interface development ...

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Trainee Junior Python Developer information

See Denver, CO salary details

$24.7K

$91.6K

$141.5K

How much do trainee junior python developer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for trainee junior python developer in Denver, CO is $91,581.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,000.00 and $89,500.00 per year, depending on experience, location, and employer.

What is the difference between Trainee Junior Python Developer vs Junior Python Developer?

AspectTrainee Junior Python DeveloperJunior Python Developer
Required CredentialsBasic programming knowledge, often in training or courseworkProven understanding of Python, some project experience
Work EnvironmentTraining programs, supervised tasksIndependent coding, project contributions
Employer UsageEntry-level, internship, or trainee rolesFull or part-time junior roles in companies
Search & Comparison IntentLearning and entry-level opportunitiesJob responsibilities and experience level

The main difference is that a Trainee Junior Python Developer is typically in training or an internship, focusing on learning and gaining experience, while a Junior Python Developer has already acquired foundational skills and is expected to contribute to projects independently.

Trainee Junior Python Developer jobs near you
Infographic showing various Trainee Junior Python Developer job openings in Denver, CO as of August 2026, with employment types broken down into 1% Internship, 82% Full Time, 11% Part Time, and 6% Contract. Highlights an 76% Physical, 6% Hybrid, and 18% Remote job distribution, with an average salary of $91,581 per year, or $44 per hour.

Software (python) Developer - Remote Schedule

Littleton, CO • On-site

CPI Card Group
Finance and Insurance • 1 - 5K employees
Learn more about CPI Card Groupexternal

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago

Key responsibilities

  • Develop, test, debug and maintain both new and existing applications in line with established standards and business requirements

  • Build scalable, secure and maintainable web applications using Python and AWS services, following defined specifications

  • Contribute to the creation and execution of test plans, ensuring code quality across your own work and that of the team

CPI Card Group rating

8.2

Company rating: 8.2 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

Job description

OverviewWe currently have openings for Software Developer I and Software Developer II positions.We are seeking a driven and enthusiastic Junior Software Engineer(back-ended) to join our expanding Python Agile team. In this role, you will contribute to building innovative web and mobile solutions that deliver modern financial services using cutting-edge technologies and platforms. You'll gain hands-on, real-world experience across the full software development lifecycle-from design and development through testing, documentation, and deployment. You'll play a key role in delivering customer-facing and business-critical applications, helping turn innovative ideas into impactful solutions. We are an AI-enabled engineering organization, and developers at CPI Card Group are expected to leverage modern AI tools-such as GitHub Copilot, Claude, and other AI-assisted development platforms-to accelerate development, enhance code quality, and strengthen problem-solving capabilities. This role is ideal for engineers who are eager to blend traditional software development with AI-assisted workflows and who want to play a part in building the next generation of intelligent, scalable financial and manufacturing solutions.  Responsibilities
  • Develop, test, debug and maintain both new and existing applications in line with established standards and business requirements
  • Build scalable, secure and maintainable web applications using Python and AWS services, following defined specifications
  • Contribute to the creation and execution of test plans, ensuring code quality across your own work and that of the team
  • Produce and maintain clear technical documentation, including design specifications and implementation details
  • Collaborate closely with senior developers and cross-functional teams to deliver features on time and to a high standard
  • Participate in code reviews, learning best practices and contributing to continuous improvement of code quality
  • Gain an understanding of PCI compliance and other relevant industry regulations, and apply them in day-to-day development
  • Support the analysis and documentation of detailed software requirements
Qualifications

We are looking for developers that are:We are looking for developers that are:

  • Passionate about programming
  • Self-motivated to learn new technologies and tools
  • Creative, self-starters that are committed to delivering high quality solutions within agreed upon timelines
  • Highly analytical, natural problem-solvers and strong debuggers
  • Strong written and verbal communicators
  • Able to work under pressure and meet tight deadlines
  • Have experience using AI-powered development tools (e.g. Copilot, Claude)

Familiarity with the following would be beneficial:

  • Python frameworks: Django / FastAPI
  • Docker and containerization
  • Basic experience with AWS services (such as Lambda, S3, API Gateway, or DynamoDB)
  • Understanding of RESTful APIs and web services
  • Exposure to object-oriented design and SOLID principles
  • Exposure to version control systems (e.g., Git) and collaborative development workflows
  • Awareness of CI/CD pipelines and automated testing practices
  • Knowledge of front-end technologies (HTML, CSS, JavaScript) is a plus
  • Interest in secure coding practices and data protection standards (e.g., PCI)
  • Role typically performs basic duties and works under general supervision
  • Role works under close supervision and guidance when performing more complex duties

Requirements:

  • B.S. or MS Degree in Computer Science, Information Technology or equivalent work experience
  • 2+ years demonstrated experience with Python and associated Python frameworks

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time

Company Overview:CPI Card Group is a payment technology company and leading provider of credit, debit and prepaid solutions delivered physically, digitally and on-demand. CPI helps our customers foster connections and build their brands through innovative and reliable solutions, including financial payment cards, personalization and fulfillment, and Software-as-a-Service (SaaS) instant issuance.   Learn more at www.cpicardgroup.com.

Benefits:Competitive pay rates and an inclusive, empowering and rewarding culture.Solid benefits package including Medical, Dental, Vision, Long Term Disability, Short Term Disability, Life Insurance, Accident Insurance, Critical Illness Insurance, FSA, HSA, Vacation and Holiday Pay, Tuition Reimbursement and 401(k) with a competitive company match percentage.

CPI is an Equal Opportunity Employer, including disability/vets. A complete background including drug screen is contingent upon hire.

Employment Type: OTHER

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