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Senior Python Developer Jobs in Denver, CO (NOW HIRING)

AtkinsRéalis

Senior Software Developer

Denver, CO · On-site

$56 - $74/hr

They are seeking a Senior Software Developer to lead the design, development, and delivery of ... C#, .NET (Razor/Blazor), Python and JavaScript/Node.js • Collaborate with clients and ...

Raytheon

Senior Software Developer (Onsite)

Aurora, CO · On-site

$55.25 - $73/hr

Raytheon, the world's largest aerospace and defense company, is seeking a Senior Software Developer ... and Python • The ability to obtain and maintain a U.S. government issued TS/SCI security ...

Paradigm

Senior ML Ops Engineer

Denver, CO · On-site

$123K - $170K/yr

... DevOps, or a related technical discipline. · Strong understanding of the machine learning ... in Python programming, ML Framework and Agentic AI. Implemented model monitoring, experiment ...

Wolters Kluwer

Senior DevOps Engineer

Greenwood Village, CO

$131K - $169K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Greenwood Village, CO

$131K - $169K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

Wolters Kluwer

Senior DevOps Engineer

Greenwood Village, CO

$131K - $169K/yr

As a Senior DevOps Engin eer , you will be a key technical contributor responsible for designing ... Strong background in software development, with experience in languages such as Python, .NET, or ...

AtkinsRéalis

Senior Software Developer

Denver, CO · On-site

$80K - $130K/yr

Overview We're hiring an experienced and motivated Senior Software Developer in our National ... Experience with Python preferred * Experience with JavaScript/TypeScript and Node JS. * Strong ...

Placed

Senior DevOps Engineer

Aurora, CO · On-site

$70/hr

We need a senior DevOps and Observability Engineer, on contract. The role covers infrastructure ... Bash, Python, PowerShell * CI/CD pipelines: GitHub Actions, including integration of SAST, DAST ...

Baker

Senior Full Stack Developer (Node.js)

Denver, CO · On-site

$100K - $150K/yr

Minimum 2 years credited experience working as a senior engineer * Senior level knowledge of ... Competency in other coding languages such as Javascript, PHP, Python, Java, RoR, etc * In-depth ...

Baker

Senior Full Stack Developer (Node.js)

Denver, CO · On-site

$100K - $150K/yr

Minimum 2 years credited experience working as a senior engineer * Senior level knowledge of ... Competency in other coding languages such as Javascript, PHP, Python, Java, RoR, etc * In-depth ...

IonQ

Senior Staff DevOps Engineer

Denver, CO · Hybrid

$133K - $171K/yr

We are looking for a Senior Staff DevOps Engineer to join our Quantum Platform Network Security ... Python, Bash, Go). * 4 years of direct experience with Infrastructure-as-Code (OpenTofu, Terragrunt ...

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All JobsPython Developer JobsSenior Python Developer JobsSenior Python Developer Jobs in Denver, CO

Senior Python Developer information

See Denver, CO salary details

$56.6K

$146.1K

$200.7K

How much do senior python developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior python developer in Denver, CO is $146,133.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,100.00 and $168,300.00 per year, depending on experience, location, and employer.

What are the main responsibilities of a senior Python developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

How much does a senior Python developer make?

A senior Python developer's salary typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Django or Flask and may have certifications or experience with cloud platforms, which can influence compensation.

What are the key skills and qualifications needed to thrive as a senior Python developer?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by senior Python developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.
What are the most commonly searched types of Python Developer jobs in Denver, CO? The most popular types of Python Developer jobs in Denver, CO are:
What are popular job titles related to Senior Python Developer jobs in Denver, CO? For Senior Python Developer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Senior Python Developer jobs in Denver, CO look for? The top searched job categories for Senior Python Developer jobs in Denver, CO are:
What cities near Denver, CO are hiring for Senior Python Developer jobs? Cities near Denver, CO with the most Senior Python Developer job openings:
Senior Python Developer jobs near you
Infographic showing various Senior Python Developer job openings in Denver, CO as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $146,133 per year, or $70.3 per hour.

Senior Software Developer

AtkinsRéalis

Denver, CO • On-site

$56 - $74/hr

Full-time

Re-posted 24 days ago

Job description

Job Summary:
AtkinsRéalis is a world-class engineering services and nuclear organization. They are seeking a Senior Software Developer to lead the design, development, and delivery of enterprise applications, collaborating with clients to translate business needs into technical specifications.
Responsibilities:
• Lead and participate in the design, development, and delivery of enterprise applications using modern technologies including C#, .NET (Razor/Blazor), Python and JavaScript/Node.js
• Collaborate with clients and stakeholders to analyze business needs, define scope, and translate requirements into technical specifications and scalable software solutions.
• Design and develop backend services, APIs, and data-driven Web, desktop and mobile applications, ensuring high performance, reliability, and maintainability.
• Contribute to and lead application architecture and system design leveraging established design patterns and reusable frameworks.
• Develop, maintain, and optimize SQL-based data solutions, including:
• Writing and maintaining SQL scripts
• Designing stored procedures, views, and data transformations
• Supporting data integrity and performance tuning
• Participate in DevOps best practices, including:
• Building and maintaining CI/CD pipelines in Azure DevOps
• Managing code repositories using Git
• Supporting automated build, release, and deployment processes
• Work across development, test, and production environments, ensuring smooth deployments, environment consistency, and release quality.
• Develop high-quality, well-documented code that adheres to best practices and coding standards, minimizing rework and ensuring long-term maintainability.
• Lead or contribute to code reviews, mentoring junior developers and promoting continuous improvement in development standards.
• Produce and maintain technical documentation, including system diagrams, data documentation, and design artifacts, clearly communicating architectural decisions.
• Provide database design and management expertise, ensuring efficient data models and alignment with application requirements.
• Participate in or lead software development best practices initiatives, helping define standards, improve processes, and drive engineering excellence.
Qualifications:
Required:
• Bachelor's degree (B.S. or B.A.) in Computer Science, Information Technology, or a related discipline; or equivalent experience with four or more years of relevant programming experience in engineering or a related field.
• This level is typically achieved with 8–10+ years of professional experience in software development or related areas.
• Experience applying AI and machine learning technologies(e.g., large language models, computer vision) to enhance enterprise applications, automate workflows, and deliver data-driven solutions.
• Ability to integrate AI capabilities into software development workflows using tools such as GitHub Copilot to improve productivity, accelerate delivery, and maintain code quality.
• Experience with C# and the .NET platform, including ASP.NET Core
• Experience with JavaScript/TypeScript and Node JS.
• Strong background in database design and/or administration of enterprise relational database management systems.
• Demonstrated excellent interpersonal, communication, and technical writing skills.
Preferred:
• Enterprise software solutions
• Power BI
• SharePoint
• SQL Server and other relational databases (e.g., Postgres, Oracle)
• Experience with Python preferred
Company:
AtkinsRéalis is a global firm offering engineering project management, and design solutions across infrastructure and energy sectors. Founded in 1911, the company is headquartered in Montréal, CAN, with a team of 10001+ employees. The company is currently Late Stage.

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