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Senior Python Developer Jobs in Rancho Cucamonga, CA

Senior Scientist

Riverside, CA ยท On-site

$95K - $130K/yr

Job Title Senior Scientist Location Riverside, CA US (Primary) Category Research, Development, and ... Programming or scripting languages (Python, R, or similar). * Data visualization and analytics ...

TypeScript, JavaScript, NodeJS, Bootstrap, React, Angular, and other responsive web frameworks or extensive experience with C++, .NET and/or Python * Knowledge of Agile software engineering processes ...

LoopNet - Senior Software Engineer

Orange, CA ยท On-site

$130K - $172K/yr

Familiarity with CI/CD pipelines, DevOps practices, and Infrastructure as Code tools. * Application ... Python for data engineering or analytics workflows. What's in it for You: When you join CoStar ...

Sr. Data Engineer

Highland, CA ยท On-site

$113K - $136K/yr

The Senior Data Engineer leads complex data engineering projects, establishes data standards and ... Advanced proficiency in Python and data engineering methodologies. * Advanced knowledge with ...

Senior Finance AI & Automation Developer

Chino, CA ยท On-site +1

$95K - $119K/yr

Job Purpose The Senior Finance AI & Automation Developer's primary responsibilities are to design ... Experience with Python and/or other code languages required * 6 Sigma Black Belt certification ...

Showing results 41-60

Senior Python Developer information

See Rancho Cucamonga, CA salary details

$56.2K

$145.1K

$199.3K

How much do senior python developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior python developer in Rancho Cucamonga, CA is $145,087.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,200.00 and $167,100.00 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 Rancho Cucamonga, CA? The most popular types of Python Developer jobs in Rancho Cucamonga, CA are:
What are popular job titles related to Senior Python Developer jobs in Rancho Cucamonga, CA? For Senior Python Developer jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:
What job categories do people searching Senior Python Developer jobs in Rancho Cucamonga, CA look for? The top searched job categories for Senior Python Developer jobs in Rancho Cucamonga, CA are:
What cities near Rancho Cucamonga, CA are hiring for Senior Python Developer jobs? Cities near Rancho Cucamonga, CA with the most Senior Python Developer job openings:

Senior Software Engineer in Test

Econolite Group, Inc.

Anaheim, CA โ€ข On-site

$100K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago


Job description

Econolite® is an innovator of Intelligent Transportation System (ITS) solutions, products, and services. Our technology is helping save lives and making the Smart City a reality. If you want to be at the forefront of this intelligent technology revolution, we want to talk to you about being part of our team. Econolite is committed to employing the best talent that will make significant contributions to building a safer, connected world.

Econolite’s ITS solutions ease traffic congestion, provide safer mobility, and improve quality of life. As the one-stop-shop leader for traffic management systems, sensor products, and services, Econolite is committed to the advancement of connected and autonomous vehicles, smart cities, and cybersecurity.

The Senior Software Engineer in Test (SSET) will contribute to the overall effectiveness of Econolite’s test automation systems and infrastructure, supporting our market-leading traffic controller and detection products. This role within the Test and Support Engineering team focuses on developing and maintaining automated tests, tools, and frameworks in collaboration with other engineers. Candidates should have strong programming skills, hands-on experience with automation, and the ability to work across both Windows and embedded Linux environments.

DUTIES:

  • Design, develop, and maintain automated tests and tools using C++, Python, Qt, and C#/.NET (Visual Studio).
  • Support and enhance existing automation frameworks to validate traffic controller and detection products.
  • Develop comprehensive automated tests covering smoke, functional, integration, load, and regression testing for Web services, APIs, and embedded software features.
  • Build and refine automation and installation tools that are easy to use and maintain across engineering teams.
  • Contribute to the setup and maintenance of scalable continuous integration (CI) and deployment pipelines for test automation programs.
  • Debug and troubleshoot issues across Windows and embedded Linux systems, leveraging debugging tools and log analysis.
  • Effectively document and communicate testing activities, results, and recommendations in verbal and written forms.
  • Participate in code and design reviews, providing feedback on product testability, reliability, and maintainability.

QUALIFICATIONS:

  • Bachelor of Science in Computer Science or Engineering/Technology, or equivalent work experience
  • Strong programming skills in C++, Python, and experience with Qt (signals/slots, UI design)
  • Familiarity with C#/.NET (Visual Studio) for maintaining or extending internal tools
  • Experience with embedded Linux environments and test development for embedded systems
  • Solid understanding of automation frameworks and test methodologies (smoke, regression, functional, integration)
  • Knowledge of networking concepts (TCP/IP, SNMP, REST APIs) and experience validating distributed systems
  • Demonstrated advanced knowledge of web protocols, networking, and systems
  • Knowledge of cybersecurity and security testing tools for evaluating applications and networks
  • Familiarity with debugging tools and troubleshooting techniques across hardware/software layers
  • Exposure to CI/CD pipelines and tools (e.g., Jenkins, GitHub Actions, or equivalent)
  • Strong analytical and problem-solving skills, along with the ability to work independently and as part of a cross-functional team
  • Experience and knowledge of open-source automated functional testing tools is desirable
  • Aptitude and willingness to learn traffic/ITS industry concepts; prior experience is a plus

PHYSICAL REQUIREMENTS

  • Must be able to stand, walk, squat, and bend at the waist for extended periods of time
  • Ability to occasionally lift up to 25 pounds (e.g., test equipment or hardware prototypes).
  • May require standing, bending, or reaching during hardware setup or lab testing.

PRE-EMPLOYMENT

All candidates who accept employment will be subject to a background investigation and drug screening. For applicable roles, candidates who accept employment will also be subject to a Motor Vehicle/Driving Record screening.

COMPENSATION

The base pay range for this full-time exempt position is $100,000.00 - $140,000.00 per year plus benefits. Pay ranges are determined by various factors, including role, experience, and location. The pay range displayed reflects the minimum and maximum target for new hire base pay rates for this position. Within the range, actual individual compensation is determined by various factors, including location, job-related skills, experience, and relevant education or training.

BENEFITS

This role is eligible for benefits: weekly pay, weekly PTO accrual, paid holidays. Various medical plans, dental, vision, flexible spending accounts, direct deposit. Basic life, LTD, 401k discretionary match. Other voluntary benefits include: identity theft protection.

DISCLAIMER

The above statements are intended to indicate the general nature and level of work performed by employees within this classification. They are not designed to contain or be interpreted as an exhaustive list of all duties, responsibilities, skills, and qualifications required of employees assigned to this job.

We conform to all the laws, statutes, and regulations concerning equal employment opportunities and affirmative action. We strongly encourage women, minorities, individuals with disabilities and veterans to apply to all of our job openings. We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, marital status, lactation, ancestry/national origin, citizenship, age, disability, arrest and court records, military & veteran's status, Genetic Information & Testing, Family & Medical Leave, or any other classification protected by state or federal law.

We prohibit Retaliation against individuals who bring forth any complaint, orally or in writing, to the employer or the government, or against any individuals who assist or participate in the investigation of any complaint or otherwise oppose discrimination.

An Equal Opportunity Employer - Non-Smoking Facility