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Backend Developer Python Jobs in California (NOW HIRING)

SynergisticIT

Backend Engineer (Python)

Encino, CA · On-site

On Job Technical support Certification on Python Developer Permanent Position Interested candidates please send a word or PDF copy of your resume at Sid@synergisticit.com or call at (510)347-8194 ...

CYNET SYSTEMS

Python Developer

San Jose, CA · On-site

$65/hr

We are looking for a Python Developer to build the backbone of our platform. You will be ... Architect the backend systems that power our AI agents, managing long-running tasks, state ...

CMP.jobs

Staff Backend Engineer

San Francisco, CA

Continuously improve system performance, observability, and maintainability. Tech stack Python ... of backend engineering experience,​ ideally with a focus on technical leadership and cross ...

Redolent, Inc

Backend Engineer

Sunnyvale, CA

Backend Engineer LOCATION:Sunnyvale, CA Duration: 6 to 12+ Months Rate: DOE Description ... Must have Skills: Java, Spring Boot, Javascript, Python, RDBMS/SQL, Kubernetes Job Duties ...

Redolent, Inc

Backend Engineer

Sunnyvale, CA

Backend Engineer LOCATION: Sunnyvale, CA Duration: 6 to 12+ Months Description: Job Duties ... Skills (Must have): - Experience in programming in Java, Scala and Python - Experience working with ...

Redolent, Inc

Back-End Engineer

Sunnyvale, CA

One of our direct client is urgently looking for a Back-End Engineer @ Sunnyvale CA TITLE: Back-End ... Skills (Must have): - Experience in programming in Java, Scala and Python - Experience working with ...

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$15.8K

$146.3K

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How much do backend developer python jobs pay per year?

As of Jun 21, 2026, the average yearly pay for backend developer python in California is $146,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $143,600.00 and $165,300.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Backend Developer Python position, and why are they important?

To thrive as a Backend Developer Python, you need in-depth proficiency in Python programming, expertise with backend frameworks (such as Django or Flask), experience designing APIs, and a strong understanding of database technologies. Familiarity with version control systems like Git, cloud platforms (AWS, Azure), and containerization tools (Docker) is typically expected, and certifications in these areas can be beneficial. Strong problem-solving abilities, effective communication skills, and a collaborative mindset help professionals succeed in team environments. These skills and qualities are vital to building robust, scalable applications and ensuring seamless integration within multidisciplinary development teams.

What is a Backend Developer Python job?

A Backend Developer Python job involves building and maintaining the server-side logic of web applications using Python. This includes developing APIs, working with databases, ensuring application performance, and integrating third-party services. Python frameworks like Django or Flask are commonly used. Backend developers collaborate with frontend developers, DevOps engineers, and other team members to create efficient and scalable applications.

What does a typical day look like for a Backend Developer Python, and how does this role interact with other team members?

A typical day for a Backend Developer Python involves writing and testing server-side code, designing APIs, optimizing application performance, and reviewing code from team members. You’ll often participate in daily stand-up meetings, collaborate with front-end developers to ensure seamless integration, and work closely with QA testers to resolve bugs or issues. Communication with product managers or designers is also common to clarify requirements and ensure project goals are met. This collaborative and dynamic environment provides continuous opportunities for learning and professional growth.

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Backend Developer Python jobs near you
Sr. Java backend developer

Sr. Java backend developer

Cognizant Technology Solutions

Sunnyvale, CA • On-site

$90K - $101K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

Cognizant rating

7.5

Company rating: 7.5 out of 10

Based on 83 frontline employees who took The Breakroom Quiz

37th of 57 rated business consultants

Job description

Cognizant is looking for a Sr. Java backend developer to join our team of IT professionals in a permanent role. If you meet our background requirements and skills and are looking for an opportunity with these skills and expertise, here is the ideal opportunity for you!
Please note, this role is not able to offer visa transfer or sponsorship now or in the future
Role: Java Backend Developer
Location: This is an onsite role in Sunnyvale, CA. No Remote will be considered
Experience: 10+ years
Salary and Other Compensation:
The annual salary for this position is between $90,000/Year to $101,000/Year depending on the experience and other qualifications of the candidate.
This position is also eligible for Cognizant's discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant's applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Responsibilities
  • Design and implement resilient cloud native applications on Azure using advanced Java and Spring Boot to deliver scalable and maintainable enterprise solutions that support critical business processes
  • Develop performant backend services and APIs using Spring Boot and advanced Java that enable secure data exchange across internal platforms and external partner systems
  • Build and optimize Python based services and utilities to support AI and ML workflows including data preparation feature engineering and model integration into production systems
  • Apply prompt engineering techniques to design test and refine prompts that improve accuracy reliability and relevance of AI driven features embedded in user facing and internal applications
  • Design and integrate AI and ML concepts such as model selection feature pipelines and inference services to deliver intelligent capabilities that enhance decision making and automation
  • Implement agentic AI patterns by creating modular autonomous agents that can coordinate tasks reason over complex workflows and interact with APIs to achieve defined business objectives
  • Collaborate with architects product managers and other engineers to translate business requirements into technical designs that align with enterprise standards and long term technology strategy
  • Ensure reliability security and observability of solutions by implementing robust logging monitoring authentication and authorization mechanisms aligned with organizational compliance practices
  • Conduct code reviews provide constructive feedback and maintain high coding standards to ensure readability performance testability and long term maintainability of services and components
  • Optimize application performance and cost efficiency on Azure by tuning resource utilization using managed services and applying best practices for caching scaling and storage
  • Coordinate with data science and AI specialist teams to integrate models into production services ensuring robust interfaces efficient data flows and clear operational ownership
  • Prepare technical documentation including solution designs deployment guides and operational runbooks that support smooth handover stable operations and future enhancements
  • Support continuous improvement by analyzing production issues identifying root causes and implementing preventative enhancements that elevate reliability and user satisfaction
  • Participate actively in agile ceremonies and hybrid collaboration sessions to plan sprints clarify requirements and provide transparent progress updates enabling predictable delivery

Qualifications
  • Possess strong experience in designing and developing applications using advanced Java and Spring Boot including hands on exposure to microservices patterns RESTful services and enterprise integration
  • Demonstrate practical expertise in Azure cloud services such as compute storage networking and platform services with proven ability to design secure scalable and cost conscious architectures
  • Show hands on proficiency in Python for scripting backend services data processing and integration tasks supporting AI ML workflows and operational automation activities
  • Apply a solid understanding of AI and ML concepts including model lifecycle basics feature engineering evaluation metrics and deployment considerations in production environments
  • Exhibit working experience with agentic AI approaches such as orchestrating multiple agents managing tool use and designing workflows that allow AI components to act autonomously within defined guardrails
  • Display competency in prompt engineering techniques including prompt design prompt tuning and evaluation strategies that enhance generative AI solution quality and consistency
  • Bring familiarity with modern engineering practices such as test automation CI CD version control branching strategies and code quality tools to support reliable and repeatable delivery
  • Communicate clearly in hybrid work settings using collaboration tools and documentation practices to coordinate effectively with distributed teams and stakeholders

About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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