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Senior Python Developer Jobs in Rancho Cucamonga, CA

Esri

Sr. Product Engineer - Cloud Automation

Redlands, CA · On-site

$56 - $75/hr

The ArcGIS Enterprise team is seeking a Sr. Cloud Automation Engineer to partner closely with ... and DevOps practices for automated testing and deployment * Working knowledge of Python for ...

Esri

Sr. Product Engineer - Web Services

Redlands, CA · On-site

$93.60K - $159.33K/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 · On-site

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 ...

Esri

Sr. Integration Developer

Redlands, CA

As an Enterprise Data/Integration Developer at Esri, you will work with our team to ensure sound ... Net, Python, R, MDX, C#, Java, or JavaScript * Experience with integration and/or ETL solutions ...

Invoca

Senior ML Engineer

Anaheim, CA · On-site +1

$109.40K - $150.20K/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)

Esri

Sr. Software Development Engineer - Gen AI

Redlands, CA · On-site

$123.14K - $202.49K/yr

... Sr. Software Development Engineer to help advance the next generation of geospatial data quality ... Develop Python-based machine learning components that enhance how users assess, understand, and ...

Garmin

Senior Software Engineer- GNSS Receiver

Brea, CA

$134.70K - $167.80K/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 ...

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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 May 31, 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 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 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 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 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 Python Developer jobs near you
Senior Specialist, Software Engineering

Senior Specialist, Software Engineering

Harris Corporation

Anaheim, CA

$122.50K - $177.50K/yr

Other

Medical, Retirement, PTO

Posted 9 days ago

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Senior Specialist, Software Engineering
Job Code: 34734
Job Location: Anaheim, CA
Schedule: 9/80
JOB DESCRIPTION:
L3Harris Maritime Power & Energy Solutions (MPES) has an opening in the software engineering organization within its Maritime Systems sector site located in Anaheim, CA. Under general direction of the Management of Software Engineering, this position develops and applies advanced software engineering methods in the investigation and solution of complex and advanced technical problems power system architectures and power conversion equipment. The Senior Software Engineer shall lead software engineer team to support for all stages of product development from design through implementation and system integration under minimal supervision.
ESSENTIAL DUTIES
  • Interpret customer specification to define requirements for software design.
  • Capture and document existing software product to meet qualification standards at highly regulated and safety critical government contracts.
  • Provide software technical leadership for the software developer team members.
  • Reviews project progress and helps in earned value reporting. Recommends corrections in technical approach to maximize efficiency of engineering resources.
  • Proactively seek performance improvement/enhancement for the SW team with DevSecOp assisted automation and streamlining.
  • Support new programs from conceptual design, through detail design to completion.
  • Responsible to lead and operate Agile sprint/Kanban team, sprint planning, Jira ticket-based workflow management, and tracking toward team deliverable objectives.

QUALIFICATIONS
  • Bachelor of Science degree in Computer Engineering, Computer Science, Electrical Engineering, or equivalent from a four-year college or university; and minimum 6 years of experience in design and analysis of systems software for power conversion equipment. Master of Science or advanced degree preferred and a minimum of 4 years of prior related experience. Or in lieu of a degree, minimum of 10 years of prior related experience.
  • Ability to obtain and maintain a secret/security clearance.
  • Expertise in embedded real-time systems software design.
  • Experienced in object and service-based software architectures, a plus.
  • Experienced in embedded C and C++ programming.
  • Expertise with communication protocols, such as RS-232, RS-485, and Ethernet.
  • Proven effective communication with Senior Project Management and customer representatives is essential.

Preferred Additional Skills:
  • Experience in development and releasing software products meeting highly regulated and safety critical standards, medical or military grade software product, preferred.
  • Design familiarity with control systems and power conversion concepts is highly preferred.
  • Knowledge of power electronics and analog circuits, a plus.
  • Must be able to work as a key member of the design team with Power Design Engineers, Digital and Analog Engineers, System Engineers, Control System Engineers and Mechanical Engineers
  • Knowledge of Python or C-Sharp is beneficial.

In compliance with pay transparency requirements, the salary range for this role for California is $122,500- 177,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
#LI-RTC1
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .
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About Harris Computer Systems

Sourced by ZipRecruiter

Harris Computer Systems, based in Ottawa, ON, CA, is an established player in the field of public sector software technology. Since its inception in 1976, the company has been striving to make clients' operations more efficient through reliable, practical, and flexible software solutions. Its extensive portfolio primarily serves utility, healthcare, public sector, and educational institutions, contributing to the betterment of public services through technology. Harris strongly believes in the value of forward-thinking technology and the power it has to drive progress for the public sector. This methodology is entirely in line with their mission to ensure customer success by providing reliable, practical, and robust software solutions.

Industry

Accounting services

Company size

1,001 - 5,000 Employees

Headquarters location

Ottawa, ON, CA

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