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Sr Python Engineer Jobs in Colorado (NOW HIRING)

Senior Software Engineer

Denver, CO · On-site

$126K - $166K/yr

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect ... We are looking for someone with a strong background in Python, Rust, GoLang, and cloud ...

Senior Engineer

Boulder, CO

$108K - $148K/yr

Our Senior Engineer will leverage their deep engineering expertise to ensure that our renewable ... Proficiency with Python, R, and SQL. Timeline and Location The ideal candidate will be able to work ...

Senior Surface Mining Engineer

Denver, CO · On-site

$107K - $147K/yr

Your Opportunity Stantec is seeking qualified candidates for an experienced Senior Surface Mining ... Ability to use Python programming/ scripting language. * Ability to direct others in the use of ...

Senior Software Engineer

Denver, CO · On-site

$140 - $190/hr

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect ... We are looking for someone with a strong background in Python, Rust, GoLang, and cloud ...

Senior DevOps Engineer

Denver, CO · On-site

$133K - $171K/yr

Position: Senior DevOps Engineer Location: Denver, CO (Hybrid) Long Term Contract DUTIES AND ... Strong knowledge on common LINUX operating systems and Python scripting * Expert knowledge and use ...

Python and Terraform for automation. Strong analytical skills to interpret AWS billing and usage data. Senior Data Engineer Responsibilities: AWS Cost Optimization & FinOps Analysis o Analyze AWS ...

Python and Terraform for automation. * Strong analytical skills to interpret AWS billing and usage data. Senior Data Engineer Responsibilities: • AWS Cost Optimization & FinOps Analysis o Analyze ...

Sr. Elastic Engineer

Colorado Springs, CO · On-site

$100K - $138K/yr

... Sr. Elastic Engineer to join their Managed Security Services team. The role involves implementing ... Python, PowerShell, Bash, etc.) to streamline operations, data processing, and monitoring. • ...

Senior Agentic AI Engineer

Englewood, CO · On-site

$116K - $158K/yr

The Sr. Agentic AI Engineer role exists to lead technical onboarding of users, teams, and data ... Mastery of Python, SQL, and PySpark for building data pipelines that perform reliably under ...

Showing results 41-60

Sr Python Engineer information

What does a Sr Python Engineer do?

A Sr Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often lead projects, mentor junior engineers, and work on complex problems that require deep technical expertise. Their responsibilities may include writing efficient code, optimizing performance, integrating with APIs or databases, and ensuring the overall quality of software solutions. Additionally, they may collaborate with cross-functional teams to deliver robust and scalable applications.

What are the key skills and qualifications needed to thrive as a Sr Python Engineer?

To thrive as a Sr Python Engineer, you need advanced proficiency in Python programming, strong knowledge of software design patterns, and experience with scalable application development, often supported by a degree in computer science or related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and cloud platforms like AWS or Azure is typically required, with certifications in cloud or Python development considered a plus. Excellent problem-solving abilities, strong communication, and leadership skills help you collaborate effectively and mentor junior engineers. These competencies are critical for delivering robust, efficient solutions and driving technical excellence within development teams.

What is the difference between Sr Python Engineer vs Python Developer?

AspectSr Python EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in Python, often some leadership skillsBachelor's degree in CS or related field, strong Python skills, often less emphasis on leadership
Work EnvironmentTeam lead, project architect, involved in system design and optimizationCode writing, feature development, bug fixing
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects

While both roles require strong Python skills, Sr Python Engineers typically have more experience, leadership responsibilities, and involvement in system architecture, whereas Python Developers focus more on coding and feature implementation.

What are some common challenges Sr Python Engineers face when working on large-scale applications?

Sr Python Engineers often encounter challenges related to maintaining code quality and scalability as applications grow. Managing dependencies, ensuring optimal performance, and coordinating with cross-functional teams can be complex, especially in distributed systems. Additionally, integrating new technologies or frameworks while maintaining backward compatibility requires careful planning and communication. Proactive code reviews, clear documentation, and collaborative problem-solving are essential to overcoming these challenges.
What are popular job titles related to Sr Python Engineer jobs in Colorado? For Sr Python Engineer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Sr Python Engineer jobs in Colorado look for? The top searched job categories for Sr Python Engineer jobs in Colorado are:
Infographic showing various Sr Python Engineer job openings in Colorado as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Software Engineer

DomainTools

Denver, CO • On-site

$126K - $166K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago


Job description

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect for a creative problem-solver with deep expertise in large-scale data engineering and a passion for technical leadership and continuous improvement. You'll be a key technical collaborator, not only designing and maintaining complex systems but also accelerating engineering productivity and mentoring the next generation of engineers.

We are looking for someone with a strong background in Python, Rust, GoLang, and cloud infrastructure (AWS, Docker, Kubernetes) who is eager to take on big challenges and deliver high-quality, impactful results.

Job Responsibilities

  • Design, code and maintain web-scale data systems
  • Discover, analyze and validate new data sets to add value for our customers
  • Creative problem solving to necessarily complex systems
  • Research, prove and employ cutting edge techniques & technologies
  • Provide code reviews, design feedback, demos, technical requirements & documentation
  • Provide accurate, scope, estimates for time, capacity & costs of projects
  • Improve the lives of your coworkers by accelerating engineering productivity, reducing operational toil and increasing consistency
  • Provide technical leadership, assist in on-boarding & mentoring of junior engineers

Requirements

  • 5+ years of professional development experience with Python, GoLang, Rust or equivalent languages. Expertise in Rust and Python is highly valued.
  • 3+ years of experience with cloud infrastructure, specifically AWS, Docker, and Kubernetes.
  • 3+ years of experience with web-scale data engineering, leveraging data stores such as OpenSearch, Postgres (or PSQL), CockroachDB and Spark.
  • 3+ years of professional experience with Kafka.
  • 5+ years of experience working with Linux/Unix environments.
  • Excellent written and verbal communication skills.
  • Proven ability to coordinate effectively between multiple teams.
  • A positive attitude, strong interpersonal skills, and a genuine enjoyment of collaborating with, mentoring and assisting teammates.
  • Exceptional attention to detail and a commitment to delivering high-quality results.
  • Demonstrated history of high initiative and productivity that consistently adds value.
  • A proactive attitude towards continuous learning, particularly in unfamiliar domains.
  • Excited and passionate about working within the security space.

Pluses

  • Bachelor's degree or higher in Computer Science/related field or equivalent experience
  • Design, implementation and/or maintenance of CICD & microservices
  • Experience with Data Pipelines such as ElasticSearch, NATS or Apache Airflow
  • Experience with data mining or machine learning techniques
  • Experience with text codec, encoding & web protocols
  • Bash, Scala, C, or Hive development experience
  • Experience with full stack development

Benefits

DomainTools is the global leader for Internet intelligence and the first place security practitioners go when they need to know. The world's most advanced security teams use our solutions to identify external risks, investigate threats, and proactively protect their organizations in a constantly evolving threat landscape. DomainTools constantly monitors the Internet and brings together the most comprehensive and trusted domain website and DNS data to provide immediate context and machine-learning driven risk analytics delivered in near real-time. 

DomainTools offers a comprehensive benefits package to our employees that includes fully paid medical, dental and vision insurance premiums, a 401k retirement plan with company matching, basic life insurance, flexible PTO and additional well-being benefits. 

DomainTools embraces diversity, equity and inclusion to its fullest as an equal opportunity employer. We build our teams so creativity and innovation can flourish. We believe inclusivity and equity fosters innovation and growth, and we harness this mindset to drive a culture that serves our employees and our customers. We encourage people of all backgrounds, ages, perspectives and skill sets to apply; and do not discriminate based on age, religion, color, national origin, gender, sexual orientation, gender identity, marital status, veteran status, disability or any other characteristic protected by law.