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Senior Backend Developer Python Jobs in Lake Elsinore, CA

Cotality

Principal Software Engineer (Python)

Irvine, CA · On-site

$144K - $194K/yr

This senior-level position is responsible for creating scalable, high-quality software solutions ... Expert Python/FastAPI Developer: Proven experience in designing, scaling, and maintaining existing ...

Cotality

Principal Software Engineer (Python)

Irvine, CA · On-site +1

$144K - $194K/yr

This senior-level position is responsible for creating scalable, high-quality software solutions ... Expert Python/FastAPI Developer: Proven experience in designing, scaling, and maintaining existing ...

Cotality

Principal Software Engineer (Python)

Irvine, CA · On-site

$144K - $194K/yr

This senior-level position is responsible for creating scalable, high-quality software solutions ... Expert Python/FastAPI Developer:** Proven experience in designing, scaling, and maintaining ...

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Senior Backend Developer Python information

See Lake Elsinore, CA salary details

$15.5K

$144K

$185.6K

How much do senior backend developer python jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior backend developer python in Lake Elsinore, CA is $144,031.00, according to ZipRecruiter salary data. Most workers in this role earn between $141,400.00 and $162,800.00 per year, depending on experience, location, and employer.

What does a senior backend developer Python do?

A Senior Backend Developer Python designs, builds, and maintains the server-side logic and databases for web applications, primarily using the Python programming language. They are responsible for ensuring high performance, responsiveness, and security of applications, integrating with front-end elements, and working closely with other developers and stakeholders. Additionally, they often mentor junior developers, review code, and contribute to architectural decisions to ensure scalable and robust backend systems.

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

To thrive as a Senior Backend Developer Python, you need deep expertise in Python programming, software architecture, and experience with databases and API development, usually supported by a computer science degree and several years of professional coding experience. Familiarity with frameworks like Django or Flask, cloud platforms (e.g., AWS, Azure), and version control systems such as Git is typically expected, along with knowledge of containerization tools like Docker. Strong problem-solving skills, collaboration, and clear communication set top performers apart in this role. These skills ensure the development of robust, scalable backend systems that meet business needs and support seamless integration with other technologies.

What are some common challenges faced by senior backend developers working with Python, and how can they be addressed?

Senior Backend Developers working with Python often encounter challenges such as ensuring high performance and scalability of applications, especially when dealing with large volumes of data or high user traffic. Managing dependencies and maintaining clean, modular codebases can also be demanding in complex projects. These challenges are typically addressed by leveraging advanced Python frameworks, implementing robust testing practices, and collaborating closely with DevOps and frontend teams to optimize system architecture and deployment pipelines. Continuous learning and staying updated with best practices in Python and backend development are also key to overcoming these obstacles.

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

AspectSenior Backend Developer PythonBackend Developer Python
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsRelevant certifications (e.g., AWS, Python)Optional, entry-level certifications
Work EnvironmentDesigning architecture, mentoringImplementing features, coding
ResponsibilitiesSystem design, team coordinationCode development, bug fixing

The main difference between a Senior Backend Developer Python and a Backend Developer Python lies in experience, responsibilities, and leadership. Senior developers typically lead projects and mentor others, while backend developers focus on coding and feature implementation. Both roles require strong Python skills and relevant certifications, but senior roles demand more experience and strategic involvement.

What job categories do people searching Senior Backend Developer Python jobs in Lake Elsinore, CA look for?

The top searched job categories for Senior Backend Developer Python jobs in Lake Elsinore, CA are:

What cities near Lake Elsinore, CA are hiring for Senior Backend Developer Python jobs?

Cities near Lake Elsinore, CA with the most Senior Backend Developer Python job openings:

Senior Backend Developer Python jobs near you
Infographic showing various Senior Backend Developer Python job openings in Lake Elsinore, CA as of August 2026, with employment types broken down into 2% Internship, 82% Full Time, 9% Part Time, and 7% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $144,031 per year, or $69.2 per hour.

Software Development Engineer II - Back-End (Mission-Focused | ArcGIS)

Redlands, CA

Esri
Scientific Research and Development Services • 1 - 5K employees
Learn more about Esriexternal

Full-time

Re-posted 17 days ago

Esri rating

9.6

Company rating: 9.6 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

6th of 247 rated software companies

Job description

Overview

Join Esri`s team and build backend systems that power mission critical geospatial applications supporting Defense and Intelligence operations.

As a Software Development Engineer II, you will design and develop scalable backend services and APIs that enable complex data processing, system integration, and real time analytics. Your work will directly support high impact operational systems, helping organizations transform large scale data into actionable insights. 

You will collaborate with cross functional teams to build reliable, high performance systems that operate across secure, distributed environments.

This role is ideal for engineers who enjoy solving complex backend challenges and want to apply their skills in mission drive environments where performance and reliability matter.

Esri has a Relocation Assistance Program and can provide support with relocating to the Redlands, CA area for this position. 

Responsibilities

  • Build backend services that power geospatial processing, automation, and user-facing capabilities
  • Develop APIs, proxies, and integration services using Node.js and Python
  • Create and maintain backend tooling that extends ArcGIS Enterprise in containerized environments
  • Develop and maintain geoprocessing services, automation scripts, and operational workflows
  • Build connectors and ingestion pipelines across diverse enterprise data sources
  • Support deployments across cloud-native and on-prem environments
  • Improve reliability and performance through API design, testing, monitoring, and observability
  • Collaborate with platform, DevOps, and GIS teams to translate requirements into production solutions

Requirements

  • 2+ years of professional backend software engineering experience
  • Professional experience developing backend services using Python, JavaScript/Node,js and Java
  • Experience designing and building REST APIs and service-based architectures
  • Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms
  • Familiarity with geoprocessing workflows, proxies and middleware services and automation of GIS or data processing tasks
  • Experience working in containerized environments (Docker, Kubernetes, or similar)
  • Solid fundamentals in API design, software/system design, and testing and debugging distributed services
  • Strong problem-solving, communication, and collaboration skills
  • US citizenship with Active or Current (within 2 years of active) Top Secret Security Clearance with SCI eligibility
  • Bachelor's degree in Computer Science, Mathematics, Geographic Information Systems (GIS), or STEM related field

Recommended Qualifications

  • Master's degree in Computer Science, Mathematics, Geographic Information Systems (GIS), or Stem related field
  • Esri certification
  • CompTIA Security + certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practices and secure development pipelines
  • Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions
  • Experience building services for geospatial analysis, data pipelines, or map services
  • Familiarity with enterprise authentication, proxies, and secure service architectures
  • Experience with relational and spatial databases (PostgreSQL,PostGIS, SQL Server, and more)
  • Exposure to event-driven architecture, batch processing, or distributed data workflows

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#LI-Onsite

What Esri employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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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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