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Senior Python Developer Jobs in Rancho Cucamonga, CA

Esri

Sr. Product Engineer - Web Services

Redlands, CA · On-site

... API for Python, ArcGIS Maps SDKs) • Working knowledge of cloud-native service fundamentals ... developer-focused products • Comfortable reading and reasoning about code in languages such as ...

Esri

Sr. Product Engineer - Web Services

Redlands, CA · On-site

$93K - $159K/yr

Experience supporting enterprise-scale or other developer-focused products * Comfortable reading ... such as Python, JavaScript, TypeScript, and SQL (hands-on implementation is not required)

Esri

Sr. Product Engineer - Geodatabase

Redlands, CA

Our Product Engineers work with developers and engineers to design, develop, certify, and release ... Experience using an application development language, such as C#, Java, C++, or Python * Strong ...

Invoca

Senior ML Engineer

Anaheim, CA · On-site +1

$109K - $150K/yr

Senior ML Engineer About Invoca Invoca is an AI-powered revenue execution platform that brings ... Advanced Python and deep learning proficiency (PyTorch, HuggingFace Transformers, spaCy)

Garmin

Senior Software Engineer- GNSS Receiver

Brea, CA

$134K - $167K/yr

We are looking for a full-time Senior Software Engineer in our Salem, OR location who is interested ... MATLAB, python, etc.) Preferred Qualifications: * Experience with digital signal processing and ...

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$59 - $79/hr

They are seeking a Sr. Application Security Engineer to enhance the security of their applications ... Python, Typescript, Java, or PowerShell • Experience creating and maintaining reusable GitHub ...

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$59 - $79/hr

Esri is a leader in GIS technology, and they are seeking a Sr. Application Security Engineer to ... Python, Typescript, Java, or PowerShell • Experience creating and maintaining reusable GitHub ...

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$59 - $79/hr

Esri is a leader in GIS technology, and they are seeking a Sr. Application Security Engineer to ... Python, Typescript, Java, or PowerShell • Experience creating and maintaining reusable GitHub ...

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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 Jun 20, 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.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

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 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 Python Developer jobs near you
Sr. Product Engineer - Web Services

Sr. Product Engineer - Web Services

Esri

Redlands, CA • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Summary:
Esri is a leading company in geographic information systems, enabling better decision-making through location science. As a Senior Product Engineer – Web Services, you will guide the evolution of backend services that enhance customer workflows across the ArcGIS platform.
Responsibilities:
• Own the end‑to‑end evolution, quality, and customer impact of one or more ArcGIS web services, including enhancements, defects, reliability improvements, and technical investments
• Serve as the primary product decision‑maker for assigned services, balancing customer needs, platform health, and long‑term sustainability
• Define and act on service goals, success metrics, and quality standards, using telemetry and customer feedback to guide prioritization and investment
• Maintain and prioritize a comprehensive product backlog, making informed tradeoffs across features, defects, technical debt, and operational work
• Own service contracts, API behavior, versioning, and backward compatibility, evaluating downstream impact across the ArcGIS ecosystem
• Champion operational excellence, advocating for reliability, performance, scalability, and observability best practices
• Influence product direction and multiply impact through cross‑team collaboration, mentorship, and shared standards
• Validate and triage enhancement and defect requests in collaboration with Esri Support Services
Qualifications:
Required:
• 5+ years of experience in a product-focused role such as Product Engineer, Technical Product Owner, Product Manager, or similar
• Strong experience working in Agile software development environments
• Deep familiarity with web services and APIs, including RESTful services, service contracts, versioning, and backward compatibility
• Experience working with ArcGIS applications and technologies (such as ArcGIS Hub, ArcGIS Map Viewer, ArcGIS REST APIs, ArcGIS API for Python, ArcGIS Maps SDKs)
• Working knowledge of cloud-native service fundamentals, including availability, performance, monitoring, and operational concerns
• Excellent written and verbal communication skills, with the ability to convey complex concepts to both technical and non-technical audiences
• Proven ability to operate with high autonomy while collaborating effectively across teams
• Bachelor’s degree in Computer Science, GIS, Information Science, or another related field
Preferred:
• Experience supporting enterprise-scale or other developer-focused products
• Comfortable reading and reasoning about code in languages such as Python, JavaScript, TypeScript, and SQL (hands-on implementation is not required)
• Experience working with CI/CD pipelines and modern DevOps practices from a product and quality perspective
Company:
Esri is a software company that devolops geographic information system software, location intelligence, and mapping. Founded in 1969, the company is headquartered in Redlands, USA, with a team of 5001-10000 employees. The company is currently Late Stage.
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About ESRI

Sourced by ZipRecruiter

Our passion for improving quality of life through geography is at the heart of everything we do. Esri's geographic information system (GIS) technology inspires and enables governments, universities, and businesses worldwide to save money, lives, and our environment through a deeper understanding of the changing world around them.

Industry

Scientific research and development services

Company size

1,001 - 5,000 Employees

Headquarters location

Redlands, CA, US

Year founded

1969

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