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Freelance Junior Python Developer Jobs in New York

Principal Python Engineer

Warren, NJ ยท On-site +1

$140K/yr

Mentor junior and midlevel engineers through code reviews, pairing, and technical guidance. * Drive ... Deep understanding of Python frameworks such as FastAPI, Flask or similar * Experience building and ...

Lead Generative AI Developer

Manhattan, NY ยท On-site

$177 - $265/hr

Python Development: Develop robust, scalable, and production-ready Python services and APIs that ... Technical Leadership: Mentor junior developers, lead code reviews, and contribute to GenAI ...

Lead Generative AI Developer

New York, NY ยท On-site

$176K - $265K/yr

Python Development: Develop robust, scalable, and production-ready Python services and APIs that ... Technical Leadership: Mentor junior developers, lead code reviews, and contribute to GenAI ...

Showing results 41-60

Freelance Junior Python Developer information

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 in New York are hiring for Freelance Junior Python Developer jobs?

Cities in New York with the most Freelance Junior Python Developer job openings:

Infographic showing various Freelance Junior Python Developer job openings in New York as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 9% Part Time, and 5% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

Python Test Engineer

Ethereum Technologies LLC

Jersey City, NJ โ€ข On-site

$110 - $140/hr

Other

This job post hasย expired today.ย Applications are no longer accepted.


Job description

Job Title: Python Test Engineer

Location: Jersey City, NJ โ€“ 5 days Onsite Role

Long Term Project

Job Description
  • Design and build high-performance tools and services to validate the reliability, performance, and correctness of ML data pipelines and AI infrastructure.
  • Develop platform-level test solutions and automation frameworks using Python, Terraform, and modern cloud-native practices.
  • Contribute to the platformโ€™s CI/CD pipeline by integrating automated testing, resilience checks, and observability hooks at every stage.
  • Lead initiatives that drive testability, platform resilience, and validation as code across all layers of the ML platform stack.
  • Collaborate with engineering, MLOps, and infrastructure teams to embed quality engineering deeply into platform components.
  • Build reusable components that support scalability, modularity, and self-service quality tooling.
  • Mentor junior engineers and influence technical standards across the Test Engineering Program.
Required Qualifications
  • Bachelorโ€™s or Masterโ€™s degree in Computer Science, Engineering, or a related technical field.
  • 8+ years of hands-on software development experience, including large-scale backend systems or platform engineering.
  • Expert in Python with a strong understanding of object-oriented programming, testing frameworks, and automation libraries.
  • Experience building or validating platform infrastructure, with hands-on knowledge of CI/CD systems, GitHub Actions, Jenkins, or similar tools.
  • Solid experience with AWS services (Lambda, S3, ECS/EKS, Step Functions, CloudWatch).
  • Proficient in Infrastructure as Code using Terraform to manage and provision cloud infrastructure.
  • Strong understanding of software engineering best practices: code quality, reliability, performance optimization, and observability.

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract

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