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Freelance Junior Python Developer Jobs in California

PayPal, Inc.

Sr Software Engineer - Python

San Jose, CA · On-site

As a Backend Python Engineer, you will architect and develop large-scale, high-performance backend ... Guides junior engineers * Operates with little day-to-day supervision, making technical decisions ...

PayPal

Sr Software Engineer - Python

San Jose, CA

As a Backend Python Engineer, you will architect and develop large-scale, high-performance backend ... Guides junior engineers * Operates with little day-to-day supervision, making technical decisions ...

SynergisticIT

Junior PL/SQL Developer

Bakersfield, CA

$69.30K - $90K/yr

Currently, We are looking for entry-level software programmers, Java Full stack developers, Python ... if its Junior or entry level position the additional skills and Project work with hands on ...

Easy Street Capital

Junior-Level Developer

Irvine, CA

$71.90K - $93.40K/yr

We are looking for a detail-oriented and collaborative Junior-Level Developer to join our growing ... Experience with Python AI programming or machine learning. * Experience developing behavior driven ...

Easy Street Capital

Junior-Level Developer

Irvine, CA · On-site

$60K - $80K/yr

We are looking for a detail-oriented and collaborative Junior-Level Developer to join our growing ... Experience with Python AI programming or machine learning. * Experience developing behavior driven ...

SuperDial

Forward Deployed Engineer

Burlingame, CA · On-site

$125K/yr

Help shape engineering best practices, mentoring junior developers as we grow About You: * 3+ years of backend engineering experience, with deep Python expertise * Strong background in building and ...

Jobsbridge

Junior UI Developer II

Los Angeles, CA

$72.20K - $93.70K/yr

... bring junior developers to your level and skill Openness to learn new skills and techniques ... Python or Java Experience with common template frameworks (django, JSP) Working knowledge of ...

Saransh Inc

Junior Gen AI Engineer

Santa Clara, CA · On-site

Role: Junior GenAI Engineer Location: Santa Clara, CA (Onsite from Day 1) Job Type: Contract ... Demonstrate advanced programming expertise, particularly in Python, with deep proficiency in AI ...

Fortinet

Junior Software Developer

Santa Clara, CA

$101K - $124K/yr

Join Fortinet as a Junior Software Developer and play a pivotal role in the entire software ... Strong proficiency in Python on Linux is required. Experience with additional programming languages ...

Nokia

Software Engineering Coop

Sunnyvale, CA · On-site

On Site, Sunnyvale EDUCATIONAL RECOMMENDATIONS Currently a candidate for Junior or Senior in ... Experience with Python and familiarity with AI interfaces. * Strong problem-solving skills and a ...

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Freelance Junior Python Developer information

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

To thrive as a Freelance Junior Python Developer, you need a solid understanding of Python programming, basic software development principles, and familiarity with version control systems, typically supported by a relevant degree or coding bootcamp certification. Competence with tools like Git, basic web frameworks (e.g., Flask or Django), and cloud platforms (such as AWS or Heroku) is often required. Strong communication, time management, and problem-solving abilities help you collaborate with clients and deliver projects on schedule. These skills enable you to produce reliable code, respond effectively to client needs, and build a reputation for professionalism in the competitive freelance market.

What are some common challenges faced by Freelance Junior Python Developers, and how can they be addressed?

Freelance Junior Python Developers often encounter challenges such as managing multiple projects simultaneously, communicating effectively with clients who may have limited technical knowledge, and keeping up with rapidly evolving technologies. To address these challenges, it's important to develop strong organizational skills, set clear expectations with clients, and continuously invest time in learning new libraries and frameworks. Joining online communities and seeking mentorship can also provide valuable support and opportunities for growth.

What does a Freelance Junior Python Developer do?

A Freelance Junior Python Developer is an entry-level programmer who works independently or through contracts to build, test, and maintain software using the Python programming language. They often assist with coding small features, fixing bugs, and supporting more senior developers on projects. Their tasks may include writing simple scripts, working on websites or applications, and learning best practices in software development. Because they are freelancers, they typically work for multiple clients rather than a single employer.

What is the difference between Freelance Junior Python Developer vs Freelance Data Analyst?

AspectFreelance Junior Python DeveloperFreelance Data Analyst
Required SkillsPython, basic programming, problem-solvingData analysis, SQL, Excel, Python (optional)
Work EnvironmentProject-based, remote or freelance platformsProject-based, remote or freelance platforms
Common IndustriesTech, startups, software developmentFinance, marketing, healthcare
CertificationsNone mandatory, some may have Python coursesData analysis certifications (e.g., Google Data Analytics)

Freelance Junior Python Developers focus on coding and software tasks, while Freelance Data Analysts analyze data sets to provide insights. Both roles often operate remotely and require some technical skills, but their core responsibilities differ significantly.

What are the most commonly searched types of Junior Python Developer jobs in California? The most popular types of Junior Python Developer jobs in California are:
What are popular job titles related to Freelance Junior Python Developer jobs in California? For Freelance Junior Python Developer jobs in California, the most frequently searched job titles are:
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What cities in California are hiring for Freelance Junior Python Developer jobs? Cities in California with the most Freelance Junior Python Developer job openings:
Freelance Junior Python Developer jobs near you
Senior Full Stack Engineer (Python, Serverless, AI Fluency)

Senior Full Stack Engineer (Python, Serverless, AI Fluency)

VYNYL

Los Angeles, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 27 days ago

Job description

Vynyl's technologists, designers and product strategists are experts at system modernization, new product development, and rescuing projects in distress. We use the best cloud-native and AI-enabled tools, and apply a battle-tested combination of Agile, Lean, and design thinking to collaboratively solve our client's most pressing challenges - and do it right the first time. We often work in regulated industries, such as healthcare, financial services, government and education. Our work helps detect diseases, identify kids who need special educational support, applies AI to support complex legal settlements, helps people access mental health services, and so much more.
The Role
As a Senior Full Stack Engineer, you will be a key leader across the entire software development lifecycle, from conceptual design to deployment and monitoring. You will be responsible for building robust, scalable backend services using Python and AWS Serverless technologies (Lambda, DynamoDB, SQS, EventBridge), developing event-sourced systems that provide complete state history and auditability.
A critical component of this role is a demonstrated fluency with modern AI/ML development tools (e.g., GitHub Copilot, Claude Code, agentic coding tools, large language models). We are looking for candidates who not only use these tools daily but can articulate a clear, thoughtful perspective on their limitations, security implications, and the strategic opportunities they create for the engineering profession.
Key Responsibilities
  • Lead the design and implementation of highly scalable, cost-efficient serverless backend services using Python and AWS (Lambda, API Gateway, DynamoDB, SQS, EventBridge).
  • Architect and build event-sourced systems and event-driven pipelines, ensuring reliable message processing, idempotency, and eventual consistency across distributed services.
  • Collaborate with product managers and designers to translate requirements into technical designs and shippable code.
  • Implement best practices for security, logging, monitoring, and infrastructure-as-code (e.g., Terraform or CloudFormation).
  • Perform rigorous code reviews, mentor junior and mid-level engineers, and drive technical excellence across the team.
  • Actively research, propose, and integrate new technologies and patterns, with a focus on optimizing development velocity and system performance.
  • Clearly articulate a professional point of view on how to effectively, securely, and ethically integrate AI tools into the software development lifecycle.
Qualifications
Required
  • 5+ years of professional experience in full-stack software development.
  • Expert-level proficiency in Python for backend development.
  • Strong working proficiency with Node.js.
  • Deep practical experience designing, deploying, and maintaining applications using serverless architectures (preferably AWS Lambda, API Gateway, and managed services).
  • Hands-on experience with DynamoDB, including single-table design patterns, GSI/LSI strategies, and performance optimization at scale.
  • Solid understanding of event sourcing and event-driven architecture patterns, including experience with message brokers or streaming services (e.g., SQS, SNS, EventBridge, or Kinesis).
  • Experience with CI/CD pipelines, automated testing, and Infrastructure-as-Code.
  • Demonstrated Fluency in AI-Assisted Development: Candidates must be able to demonstrate practical, hands-on experience using AI-powered coding tools to achieve specific, quantifiable productivity gains, while also clearly understanding and mitigating the associated risks (e.g., code quality, security, IP concerns).
Nice to Have
  • Experience with advanced AWS services (e.g., Kinesis, SageMaker, Step Functions).
  • Familiarity with TypeScript for robust front-end or Node.js development.
  • Proficiency with a modern front-end framework (e.g., React, Vue, or Angular).
  • Experience working in a regulated or compliance-focused environment.
  • A Bachelor's or Master's degree in Computer Science or a related technical field.
AI and the Evolution of Software Engineering & Ops
All candidates must be prepared to discuss and demonstrate the following during the interview process:
  • Practical AI Tool Usage: Specific examples of AI tools used in professional or personal projects to enhance productivity, solve complex problems, or accelerate development. If you have a preferred agentic tool setup, please share!
  • Understanding of AI Limitations: A clear understanding and articulation of the current technical, ethical, and accuracy limitations of modern AI tools in the engineering context.
  • Strategic AI Opportunity: A viewpoint on how AI tools create new opportunities for software engineering, such as shifting focus from boilerplate code to complex problem-solving or architectural design.
  • Evolution of the Engineering Role: A well-articulated point of view on how your role has already changed (e.g., new workflows, skills, ways of collaborating) due to the introduction of AI and how you expect the role to evolve in the coming years based on your assessment of coming advancements in AI tools and technologies.
Application Process
To apply, please submit your resume and a cover letter. Your cover letter should be informed by the "AI and Forward-Looking Requirements" section above.
The hiring process includes:
  • Initial screening email
  • A Technical Assessment Interview
  • A Panel Interview
Salary Range $140,000 - $175,000
Benefits for Full-Time Employees
Excellent health, dental, vision, and life insurance
Excellent 401(k) plan with annual employer match of 4%

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