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Application Security Engineer (AppSec)

micro1

LocationRemote
SeniorityUnspecified
Companymicro1
Verified recentlyChecked today
Compensation

$62k-$208k

Salary details are shown when available from the source listing. Sign in before applying so the role can be reviewed against your resume, salary goals, seniority, timezone, and location eligibility.

Requirements and working style

Decision details from the source listing

Schedule

flexible

These fields are normalized from the employer's text. Confirm details on the employer site before applying.

WFH.team analysis

What this posting tells you

Remote contractor role, approximately 15 hours per week, creating coding tasks and deterministic verifiers to train AI systems. Hours and days are flexible. Compensation is output-based and paid per task meeting specifications; the listing gives no pay range and states minimum weekly task submissions apply.

Role lane

Backend, Customer success, Data, Frontend, Medical billing, Operations, Product, QA and testing, Security, Software

Where you can work

Eligible countries are not stated.

Working hours

Timezone overlap is not stated.

Arrangement

Unspecified · Contractor

Required signals
Backend development in Java, Node.js, Go, Rust, TypeScript, Python, C++ or similarBuilding scalable services and APIsDebuggingPerformance optimizationAutomated testingCode reviewCreating coding tasks and implementing deterministic verifiers
Preferred signals
Cybersecurity or SecOpsSecure codingApplication securityPenetration testingVulnerability assessmentOWASP/CWESecurity-focused code reviewsCodebase refactoringAlgorithms and data structures
Confirm before applying
  • Eligible hiring countries are not stated
  • Required timezone overlap is not stated
Market context

Backend hiring on WFH.team

3,769active related roles
2,293new in the latest period
171.1jobs per 100 candidates
$199kmedian of comparable listed ranges

This role's listed pay is below the median among 200 comparable roles shown here. Category counts come from WFH.team's latest published remote job market snapshot.

Explore the remote job market
Skills and signals
Backend development in Java, Node.js, Go, Rust, TypeScript, Python, C++ or similarBuilding scalable services and APIsDebuggingPerformance optimizationAutomated testingCode reviewCreating coding tasks and implementing deterministic verifiersCybersecurity or SecOpsSecure codingApplication securityPenetration testingVulnerability assessmentOWASP/CWESecurity-focused code reviewsCodebase refactoringAlgorithms and data structuresRemote
Job description

Application Security Engineer (AppSec) at micro1

Job Type: Contractor (~15 hrs a week)

Location: Remote

Schedule: Flexible, you pick the hours and days (including weekends if desired)

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

You'll create realistic, interesting and challenging coding tasks for AI to solve involving feature implementation and bug fixes, and implement deterministic verifiers that accept reasonable valid solutions and reject everything else.

What we're looking for

Strong backend experience in Java, Node.js, Go, Rust, Typescript, Python, C++ or similar

A track record building scalable services and APIs

Comfort with debugging, performance work and automated testing

Solid code review instincts

A cybersecurity or SecOps background is a big plus — secure coding, appsec, pentesting, vulnerability assessment, OWASP/CWE, or security-focused reviews.

Preferred qualifications

Proven experience in backend development, with a track record of delivering high-quality and performant projects.

Background in cybersecurity, such as penetration testing, vulnerability assessment, or security code reviews.

Demonstrated success in identifying and resolving software bugs and system bottlenecks.

Experience with codebase refactoring and implementing complex features in large-scale applications.

Strong understanding of algorithms, data structures, and foundational computer science concepts.

Excellent analytical, problem-solving, and technical communication skills.

A note on the process: our interview and assessment stages are designed to see how you think, so we ask that you complete them without outside assistance. The same applies once you're on the project — the value of the work comes from your own judgment.

Process

Apply to the role, filling out the screening questions

Complete AI Interview (approx. 30 minutes)

Technical Assessment (Tentative)

Hiring Manager review

Compensation Structure

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.

Start Timeline & Availability

We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding.

Company context

Working remotely at micro1

micro1 builds human-expertise data and evaluation infrastructure for AI models and agents. It recruits core-team employees and domain experts for AI training projects.

Headquarters
San Francisco Bay Area, California, United States
Founded
2022
Remote policy

Expert opportunities are remote and can be flexible. International applicants are considered, subject to country exclusions and each project's requirements. Core-team work arrangements vary by opening; check the individual posting.

Application process

Apply through the official posting. Expert applicants complete an AI interview and skills certification, followed by project selection and onboarding. Certification does not guarantee a project or immediate work.

Research micro1
Remote Application Security Engineer (AppSec) at micro1 | WFH.team