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Freelance Junior Python Developer Jobs in California, MO

DDN

Senior Staff Engineer - AI Data Path

California, MO · On-site

$180 - $250/hr

Mentor junior engineers and provide technical leadership across cross-functional teams. Required ... Proficiency in Python and/or C/C++, with advanced debugging, profiling, and performance tuning ...

Joby Aviation

Staff Flight Test Engineer

California, MO · On-site

$173.70 - $219/hr

Provide mentorship and guidance to junior flight test engineers in the assigned technical area ... Data analysis experience using Matlab, Python or similar.Civil aircraft certification experience ...

Fractal Analytics Ltd.

Data Scientist_5

California, MO · On-site

$150 - $170/hr

Provide technical mentorship to junior data scientists and AI engineers. Required Qualifications ... Proficiency in Python and ML libraries like PyTorch, TensorFlow, scikit‑learn. * Experience with ...

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Freelance Junior Python Developer information

See California, MO salary details

$21.5K

$79.6K

$123.1K

How much do freelance junior python developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for freelance junior python developer in California, MO is $79,628.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,000.00 and $77,900.00 per year, depending on experience, location, and employer.

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 are the key skills and qualifications needed to thrive as a freelance junior Python developer?

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 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 freelance jobs can I do with a freelance junior python developer?

A freelance junior Python developer can take on tasks such as building and maintaining web applications, automating workflows, data analysis, and scripting projects. These roles often involve working with frameworks like Django or Flask, and require basic programming skills, problem-solving, and familiarity with version control tools like Git.

What cities near California, MO are hiring for Freelance Junior Python Developer jobs?

Cities near California, MO with the most Freelance Junior Python Developer job openings:

Freelance Junior Python Developer jobs near you

Senior Machine Learning Scientist - Agentic Experience

Jobtailor

California, MO • On-site

$150 - $200/hr

Other

Posted 17 days ago

Job description

Job Responsibilities
  • Design, build, and evaluate multi-step agentic AI systems, including autonomous agents capable of planning, tool use, memory management, and multi-agent collaboration.
  • Research and implement state‑of‑the‑art techniques in agentic architectures, such as ReAct, reflection loops, chain‑of‑thought prompting, and tool‑augmented reasoning.
  • Develop and maintain agent orchestration frameworks, defining how agents decompose tasks, delegate to sub‑agents, and handle failure and recovery.
  • Integrate large language models (LLMs) with external tools, APIs, databases, and code execution environments to enable real‑world task completion.
  • Define and own evaluation frameworks for agentic systems, measuring task success, reliability, latency, cost, and safety across diverse benchmarks and production scenarios.
  • Collaborate closely with product, engineering, and research teams to translate business requirements into agentic system designs and deliver production‑grade solutions.
  • Identify and mitigate risks specific to agentic systems, including prompt injection, unintended actions, hallucination in long‑horizon tasks, and unsafe tool use.
  • Stay current with the rapidly evolving agentic AI landscape, synthesizing academic research and industry developments to inform the team’s technical direction.
  • Mentor junior ML engineers and scientists, providing technical guidance on agentic design patterns, LLM best practices, and experimentation methodology.
Requirements
  • 8+ years of related industry experience.
  • Demonstrated experience designing and deploying agentic or multi‑step AI systems (e.g., ReAct, tool‑calling agents, multi‑agent pipelines) in production or research settings.
  • Strong proficiency in Python and ML frameworks (PyTorch, TensorFlow, or JAX); experience with LLM APIs and orchestration libraries (e.g., LangChain, LlamaIndex, or similar).
  • Experience integrating LLMs with external tools, APIs, and structured data sources for real‑world task completion.
  • Solid understanding of prompt engineering techniques including chain‑of‑thought, few‑shot prompting, and structured output generation.
  • Experience defining and running evaluation frameworks for ML systems, including offline benchmarking and production monitoring.
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