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Freelance Python Engineer Jobs in Elizabeth, NJ (NOW HIRING)

Publicis Groupe Holdings B.V

Data Engineer

Manhattan, NY · On-site

$73K - $112K/yr

Experience with Python for data processing, automation, or pipeline development. * Working ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Data Engineer

Manhattan, NY · On-site

$73K - $112K/yr

Experience with Python for data processing, automation, or pipeline development. * Working ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Alice

Freelancer - AI CBRN Experts

New York, NY · On-site +1

Knowledge of AI prompt engineering concepts and practices, including adversarial prompt writing All applicants will be required to complete a screening exam and background check.

Alice

Freelancer - AI CBRN Experts

New York, NY · Remote

Knowledge of AI prompt engineering concepts and practices, including adversarial prompt writing All applicants will be required to complete a screening exam and background check.

Publicis Groupe Holdings B.V

Senior Consultant

Manhattan, NY · On-site

$110K - $173K/yr

... programming and model construction, and model interpretation. This is a hybrid role requiring 3 ... Highly proficient in statistical computing, like R, Python, and SAS * Highly proficient in data and ...

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Showing results 21-40

All JobsPython Engineer JobsFreelance Python Engineer JobsFreelance Python Engineer Jobs in Elizabeth, NJ

Freelance Python Engineer information

See Elizabeth, NJ salary details

$23.1K

$140.9K

$203.8K

How much do freelance python engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for freelance python engineer in Elizabeth, NJ is $140,870.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,200.00 and $165,600.00 per year, depending on experience, location, and employer.

What is a freelance Python engineer?

Freelance Python Engineers are independent professionals who use the Python programming language to develop software, automate tasks, analyze data, or create web applications for clients on a project-by-project basis. Unlike full-time employees, freelancers work with multiple clients and often set their own schedules and rates. They may be hired for short-term projects, ongoing maintenance, or to fill skill gaps within a team. Freelance Python Engineers typically possess strong coding skills, adaptability, and the ability to work independently. Their roles can range from backend development to machine learning and data analysis.

What are the key skills and qualifications needed to thrive as a freelance Python engineer?

To thrive as a Freelance Python Engineer, you need advanced proficiency in Python programming, a solid understanding of algorithms, and practical experience with software development, often demonstrated through a portfolio or relevant degree. Familiarity with popular frameworks (such as Django or Flask), version control systems like Git, and cloud platforms is typically expected, and certifications like PCEP or PCAP can be advantageous. Strong problem-solving, self-management, and client communication skills help you stand out in remote and project-based work. These skills and qualities are crucial for delivering reliable solutions independently, building client trust, and successfully managing multiple projects in a competitive freelance environment.

What are some common challenges freelance Python engineers face when managing multiple clients and projects?

Freelance Python engineers often juggle several projects at once, which can make time management and prioritization challenging. Balancing client expectations, meeting overlapping deadlines, and maintaining clear communication are key hurdles. Additionally, freelancers are responsible for their own project scoping, contract negotiation, and ensuring code quality across varying industries and tech stacks. Building strong organizational habits and using project management tools can help address these challenges while maintaining high client satisfaction.

What is the difference between Freelance Python Engineer vs Python Developer?

AspectFreelance Python EngineerPython Developer
CredentialsOften self-taught or with certifications in Python, no formal degree requiredTypically holds a degree in Computer Science or related field, with Python certifications
Work EnvironmentIndependent, project-based, remote or on-siteUsually employed full-time by companies or agencies, remote or office-based
Employer & IndustryClients across various industries, freelance platformsTech companies, startups, or corporate teams
Search & Comparison IntentLooking for flexible, project-based Python workSeeking full-time or long-term Python development roles

Freelance Python Engineers typically work independently on diverse projects, often without formal degrees, while Python Developers are usually employed full-time with formal education. Both roles require strong Python skills but differ in work setup and employment type.

What job categories do people searching Freelance Python Engineer jobs in Elizabeth, NJ look for?

The top searched job categories for Freelance Python Engineer jobs in Elizabeth, NJ are:

Freelance Python Engineer jobs near you

Competitive Programming Expert - Freelance AI Trainer

Brooklyn, NY • On-site

Mindrift
See more jobs at Mindriftexternal

$90/hr

Part-time

This job post has expired today. Applications are no longer accepted.

Job description

Please submit your CV in English and indicate your level of English proficiency. 

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.

What this opportunity involves

We're building competitive-programming problems and their automatic graders (test cases + checkers) used to train advanced AI coding models. You'll create problems, write both correct and deliberately-wrong solutions, and design the tough test cases that catch subtly-broken code. Your work is what makes the training signal trustworthy.

To apply, share: your competitive-programming handle(s) + current/peak rating, any problem-setting experience, and IOI/ICPC/olympiad history.

What you'll do

  • Write original algorithmic problems - clear statement, sound constraints, an intended solution;
  • Write correct solutions in C++ and Python;
  • Write realistic wrong solutions (common mistakes) to test against;
  • Build and harden test cases: generators, edge cases, stress and "hacking" tests;
  • Write checkers/interactors (testlib) for problems with more than one valid answer;
  • Confirm the quality bar: correct solutions pass, wrong ones fail, within time limits.

What we look for

  • Strong competitive programming background, shown by a public profile - a Codeforces rating (see levels below), OR an IOI / ICPC / national-olympiad record;
  • Fluent contest C++ (STL, complexity); comfortable writing Python;
  • Can explain why a solution is wrong and build an input that breaks it;
  • Strong written English (C1+).

Levels (by Codeforces rating, or equivalent olympiad achievement):

  • Associate - 1700-2100 (Expert / Candidate Master): easier problems;
  • Expert - 2200-2600 (Master / Grandmaster): harder problems
  • Senior / Reviewer - 2600+ (Int'l Grandmaster) or IOI/ICPC medalist: hardest problems + quality review.

Nice to have

  • IOI / ICPC alumni and top competitive programmers especially encouraged to apply;
  • Experience setting or testing problems for real contests (Codeforces rounds, ICPC, national olympiads, online judges);
  • Testlib experience (checkers, validators, generators);
  • Experience creating data for LLM code benchmarks or similar RL / evaluation datasets.

How it works 

Apply Pass qualification(s) Join a project Complete tasks Get paid

Project time expectations 

For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. Tasks must be submitted by the deadline and meet the listed acceptance criteria to be accepted. 

Compensation

Paid per accepted task. Your rate depends on the qualification tier you reach and how efficiently you complete tasks - up to the equivalent of $90/hr. Because payment is per task, a faster pace raises your effective hourly rate.

Apply