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Senior Backend Python Jobs in California (NOW HIRING)

HEDRA INC

Senior Backend Engineer

San Francisco, CA · On-site

Senior Backend Engineer As a Senior Backend Engineer, you will design, build, and deploy the ... Experience developing scalable services using Python, using frameworks such as FastAPI and Pydantic

Commure

Senior Backend Engineer

San Francisco, CA · On-site

Senior Backend Engineer At Commure, our engineering team is at the forefront of revolutionizing ... Work across the entire technology stack, including but not limited to Python, Go, FastAPI, Flask ...

Addison Group

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

Title: Sr. Backend Engineer Location: San Ramon, CA Pay: $65-75/hr Job Type: 6 Month Contract ... React, TypeScript • Backend: o Python (API platform, AWS Lambda, dynamic DBs) o Node.js, ...

Hedra

Senior Backend Engineer

San Francisco, CA · On-site

... seeking a Senior Backend Engineer. The role involves designing and deploying backend services ... Required : • Experience developing scalable services using Python, using frameworks such as ...

Hedra

Senior Backend Engineer

San Francisco, CA · On-site

$175K - $275K/yr

As a Senior Backend Engineer , you will design, build, and deploy the backend services that power ... Experience developing scalable services using Python, using frameworks such as FastAPI and Pydantic

Commure

Senior Backend Engineer

Mountain View, CA · On-site

The Senior Backend Engineer will design and influence backend architecture for scalable AI-powered ... limited to Python, Go, FastAPI, Flask, and other frameworks • Lead technical planning and ...

Commure

Senior Backend Engineer

San Francisco, CA · On-site

The Senior Backend Engineer will design and influence backend architecture for scalable AI-powered ... limited to Python, Go, FastAPI, Flask, and other frameworks • Lead technical planning and ...

Addison Group

Sr. Backend Engineer

San Ramon, CA · On-site

$65 - $75/hr

Title : Sr. Backend Engineer Location : San Ramon, CA Pay : $65-75/hr Job Type : 6 Month Contract ... React, TypeScript • Backend: o Python (API platform, AWS Lambda, dynamic DBs) o Node.js, ...

Acceler8 Talent

Senior Backend Engineer

Fremont, CA · On-site

$250K/yr

Senior Software Engineer (Python) - San Francisco, CA A fast-growing deep tech startup is building ... Building AI-powered backend workflows and distributed systems. * Developing scalable infrastructure ...

New

Acceler8 Talent

Senior Backend Engineer

Sunnyvale, CA · On-site

$250K/yr

Senior Software Engineer (Python) - San Francisco, CA A fast-growing deep tech startup is building ... Building AI-powered backend workflows and distributed systems. * Developing scalable infrastructure ...

New

Acceler8 Talent

Senior Backend Engineer

San Jose, CA · On-site

$250K/yr

Senior Software Engineer (Python) - San Francisco, CA A fast-growing deep tech startup is building ... Building AI-powered backend workflows and distributed systems. * Developing scalable infrastructure ...

New

Acceler8 Talent

Senior Backend Engineer

San Francisco, CA · On-site

$250K/yr

Senior Software Engineer (Python) - San Francisco, CA A fast-growing deep tech startup is building ... Building AI-powered backend workflows and distributed systems. * Developing scalable infrastructure ...

New

Phonely Ltd

Senior Backend Engineer

San Francisco, CA · On-site

$200K - $350K/yr

Senior Backend Engineer (Python) At some point in the future, every business will answer their phone with voice AI. We are making sure that when they build that AI agent, the experience of doing so ...

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Senior Backend Python information

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

To thrive as a Senior Backend Python Developer, you need expertise in Python programming, strong knowledge of backend frameworks (such as Django or Flask), and experience with database management, often backed by a degree in computer science or equivalent experience. Familiarity with version control systems like Git, containerization tools like Docker, cloud platforms (e.g., AWS), and possibly certifications in cloud or Python technologies are common requirements. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers help set top performers apart. These competencies ensure the development of robust, scalable, and maintainable backend systems that support business objectives.

What are some common challenges Senior Backend Python developers face when working on large-scale systems?

Senior Backend Python developers working on large-scale systems often encounter challenges such as ensuring application scalability, maintaining code quality across distributed teams, and optimizing performance for high traffic. Balancing the integration of new features with legacy system constraints can also be demanding. Effective communication and collaboration with frontend teams, DevOps, and product managers are crucial for delivering reliable and maintainable backend solutions.

What does a Senior Backend Python Developer do?

A Senior Backend Python Developer designs, builds, and maintains the server-side logic of web applications using Python. They are responsible for creating robust APIs, optimizing databases, ensuring application security, and integrating third-party services. In addition, they often mentor junior developers, contribute to architectural decisions, and collaborate closely with frontend and DevOps teams. Their work ensures that applications are scalable, reliable, and efficient. Senior developers typically have several years of experience and deep knowledge of Python frameworks like Django or Flask.

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

AspectSenior Backend PythonBackend Developer
Required CredentialsBachelor's in CS or related, 5+ years experience, Python expertiseBachelor's in CS or related, 2-4 years experience, Python knowledge
Work EnvironmentTech companies, startups, enterprise systemsTech firms, startups, software agencies
Employer & Industry UsageUsed across industries requiring scalable backend solutionsCommon in web development and software services
Search & Comparison IntentUnderstanding senior roles, responsibilities, salaryEntry to mid-level backend roles, skill requirements

Senior Backend Python professionals typically have more experience, advanced skills, and leadership responsibilities compared to Backend Developers. They often work on complex systems, mentor junior staff, and have a broader understanding of architecture. Backend Developers focus on building and maintaining backend services with less emphasis on leadership or strategic planning.

What are the most commonly searched types of Backend Python jobs in California? The most popular types of Backend Python jobs in California are:
What are popular job titles related to Senior Backend Python jobs in California? For Senior Backend Python jobs in California, the most frequently searched job titles are:
What job categories do people searching Senior Backend Python jobs in California look for? The top searched job categories for Senior Backend Python jobs in California are:
What cities in California are hiring for Senior Backend Python jobs? Cities in California with the most Senior Backend Python job openings:
Senior Backend Python jobs near you
Python Backend Engineer

Python Backend Engineer

BayOne Solutions

San Francisco, CA • On-site

Other

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

Job description

Job Title
Senior Backend Engineer - AI Enablement & Strategy
Overview
Sephora is seeking a highly proactive, strategic Senior Python Backend Engineer with strong AI exposure to help teams do more with less by improving systems, workflows, and decision-making through intelligent tooling. This role is not about executing predefined tasks - it is for a problem solver and collaborator who can assess existing architecture, design best-fit solutions, and help define the path forward in a rapidly evolving environment.
This individual will work closely with cross-functional teams, acting as a thought partner who augments human interactions and enables teams to operate more efficiently.
Key Responsibilities
• Act as a strategic problem solver , not just a task executor
• Evaluate existing backend systems and architecture; design and recommend best-fit solutions
• Apply AI tools and services to improve workflows, automation, and decision-making
• Partner closely with engineering, QA, and platform teams to enable and unblock others
• Provide guidance on model selection and technology tradeoffs (no model training required)
• Help define structure and direction in areas that are still evolving
• Collaborate effectively in high-ambiguity environments; influence without authority
• Support a " do more with less " mindset through smart system design and prioritization
Required Qualifications
• Strong backend engineering background (Python preferred)
• Hands-on experience with modern AI tools and services (e.g., LLMs, agent frameworks, AI platforms)
• Working knowledge of AI/ML concepts and models (selection, evaluation, applicability)
• Ability to reason about architecture, scalability, and system design
• Proven ability to work autonomously and proactively in loosely defined problem spaces
• Excellent communication and collaboration skills
Nice to Have
• Experience building or prototyping AI-enabled workflows or agent-based systems
• Exposure to QA, automation, or platform enablement teams
• Experience in retail, e-commerce, or consumer-facing environments
• Background working in Centers of Excellence or enablement-focused teams
What This Role Is Not
• Not a task-only execution role
• Not a frontend or full-stack position
• Not a pure ML research or model-training role
• Not a principal-level or overly senior position
BayOne Solutions logo

About BayOne Solutions

Sourced by ZipRecruiter

BayOne is a minority owned Talent Solutions Partner based in the Bay Area, and we have a passion for diversity in the Tech Industry. We help companies build teams. We specialize in the following domains: Project & Program Management, Cloud Computing & IT Infrastructure Management, Big Data Services, Software & Quality Engineering, User Experience Design. We help companies to solve their talent gap by providing qualified experts on demand, training their legacy work force on future technologies, and automating their business processes.

Industry

It services

Company size

201 - 500 Employees

Headquarters location

Pleasanton, CA, US

Year founded

2012

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