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 ...
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 ...
Competitive Programming Expert - Freelance AI Trainer
Austin, TX · On-site
$90/hr
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 ...
Competitive Programming Expert - Freelance AI Trainer
Austin, TX · On-site
$90/hr
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 ...
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 ...
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 ...
Competitive Programming Expert - Freelance AI Trainer
Austin, TX · On-site
$90/hr
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 ...
Competitive Programming Expert - Freelance AI Trainer
Austin, TX · On-site
$90/hr
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 ...
Competitive Programming Expert - Freelance AI Trainer
Houston, TX · On-site
$90/hr
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 ...
Competitive Programming Expert - Freelance AI Trainer
Houston, TX · On-site
$90/hr
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 ...
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 ...
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 ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
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If you find this helpful, hit that like button and subscribe for more tips from Degree Hacked." We ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
If you find this helpful, hit that like button and subscribe for more tips from Degree Hacked." We ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
If you find this helpful, hit that like button and subscribe for more tips from Degree Hacked." We ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
How to Earn Your Bachelor's Degree in 2 Years with Degree Hacked Your goal: make test prep and ... How to Become a Freelancer with Study.com About Study.com The mission of Study.com is to make ...
Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. Apply innovative testing methodologies to ensure cutting-edge security practices.
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Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. Apply innovative testing methodologies to ensure cutting-edge security practices.
Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. Apply innovative testing methodologies to ensure cutting-edge security practices.
Stay abreast of the latest trends and developments in AI security, ethical hacking, and cyber threats. Apply innovative testing methodologies to ensure cutting-edge security practices.
Freelance Hacker information
See salary details
$23.52 is the 25th percentile. Wages below this are outliers.
$14.90 - $25.57
31% of jobs
The median wage is $32.14 / hr.
$25.57 - $36.23
31% of jobs
$36.23 - $46.90
4% of jobs
$56.23 is the 75th percentile. Wages above this are outliers.
$46.90 - $57.56
10% of jobs
$57.56 - $68.23
9% of jobs
$68.23 - $78.89
5% of jobs
$78.89 - $89.55
0% of jobs
$89.55 - $100.22
8% of jobs
$100.22 - $110.88
0% of jobs
$110.88 - $121.55
0% of jobs
$121.55 - $132.21
1% of jobs
$14
$47
$132
How much do freelance hacker jobs pay per hour?
What is a freelance hacker?
A Freelance Hacker is a cybersecurity professional who offers ethical hacking and security consulting services on a contract basis. They assess vulnerabilities, conduct penetration testing, and help organizations strengthen their digital defenses. Unlike malicious hackers, freelance hackers work legally and ethically, often obtaining certifications like CEH or OSCP. They may work with businesses, government agencies, or individuals to improve cybersecurity.
What types of projects and clients do freelance hackers typically work with?
Freelance Hackers often work with a variety of clients, including small businesses, large corporations, and startups, to test and improve their digital security. Projects can range from application and network penetration testing to social engineering assessments, security audits, and consulting on compliance requirements. Depending on skillset and certifications, you might focus on certain industries such as finance, healthcare, or technology. The freelance structure allows you to choose projects that align with your expertise and interests, and often involves working independently or collaborating remotely with client IT teams. Success in this role typically requires strong self-management and the ability to communicate findings and recommendations clearly to technical and non-technical stakeholders alike.
What are the key skills and qualifications needed to thrive as a freelance hacker, and why are they important?
To succeed as a Freelance Hacker, you need a deep understanding of cybersecurity principles, penetration testing, and vulnerability assessment, often backed by experience in programming and network security. Commonly used tools and certifications include Kali Linux, Metasploit, Wireshark, and credentials such as CEH (Certified Ethical Hacker) or OSCP (Offensive Security Certified Professional). Strong problem-solving skills, ethical judgment, clear communication, and adaptability are critical soft skills in this position. These abilities ensure effective, responsible identification and remediation of security risks for diverse clients while maintaining trust and professionalism.
What cities are hiring for Freelance Hacker jobs?
Cities with the most Freelance Hacker job openings:
What are the most commonly searched types of Hacker jobs?
The most popular types of Hacker jobs are:
What states have the most Freelance Hacker jobs?
States with the most job openings for Freelance Hacker jobs include:
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The top searched job categories for Freelance Hacker jobs are:

$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.