2,121,750open jobs
134,157companies
240,427added this week
Browse all
Salary
$60k – $200k per year
Location
Remote (United States)

Confirmed on the employer's own hiring board on Nov 6, 2026. First seen by Alion on Nov 5, 2026.

Overview
Company
Impact
Profile match
YO AI Labs is an artificial intelligence platform specializing in AI model training, evaluation, and data annotation services. Headquartered in San Francisco, California, United States, the company connects domain experts and remote specialists across the globe to review, test, and benchmark generative AI model outputs. Through its decentralized workforce solutions and structured evaluation workflows, it enables frontier technology developers to enhance the accuracy, safety, and reliability of next-generation artificial intelligence systems.

Senior Software Engineer - Cybersecurity & Backend

Job Type: Contractor (~15 hrs/week)

Location: Remote

Schedule: Flexible

Required Skills

  • Python 3, Java, Rust, TypeScript, C++
  • Algorithms & Data Structures
  • Bug Fixing & Feature Implementation
  • Codebase Refactoring
  • Performance Optimization
  • Penetration Testing
  • Security Auditing

Job Summary

Work on challenging coding and security tasks designed to help train next-generation AI systems. You'll create realistic coding problems, implement features and bug fixes, and build deterministic verifiers to evaluate solutions.

What We're Looking For

  • Strong backend development experience in Java, Node.js, Go, Rust, TypeScript, Python, C++, or similar
  • Experience building scalable services and APIs
  • Strong debugging, performance optimization, and automated testing skills
  • Solid code review and software engineering practices
  • Experience with cybersecurity, penetration testing, vulnerability assessment, or security audits
  • Familiarity with secure coding, AppSec, OWASP, and CWE is a plus

Responsibilities

  • Develop and debug complex software
  • Implement new features and resolve software issues
  • Refactor and optimize existing codebases
  • Create realistic coding and security tasks
  • Develop reliable deterministic verification systems
  • Identify vulnerabilities and potential security risks
  • Apply strong algorithms, data structures, and software engineering principles

Preferred Qualifications

  • Proven backend development experience
  • Cybersecurity or security engineering background
  • Experience with penetration testing or security audits
  • Strong understanding of algorithms, data structures, and computer science fundamentals
  • Excellent analytical, problem-solving, and technical communication skills
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,121,750 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
New York
Remote (United States) · Full-Time
Python
SQL
Databases
Databricks
AI/ML
LangGraph
AutoGen
LangChain
Claude
Spark
Model Context Protocol
Fine-tuning
Embeddings
Scikit-learn
Prompt Engineering
Multimodal AI
AI Agents
Transformers
TensorFlow
PyTorch
Gemini
LLM
RAG
Ray
Anomaly Detection
OpenAI
Anthropic
Hugging Face
Amazon SageMaker
GPT-4
LLM Guardrails
Multi-Agent Systems
Machine Learning
DevOps
GCP
Azure
CI/CD
AWS
Apply
In office · Internship · Master's Degree · Santa Clara · Austin · Redmond
Python
Rust
C++
AI/ML
vLLM
Reinforcement Learning
Function Calling
AI Agents
SGLang
LLM
CUDA
Multi-Agent Systems
Machine Learning
Robotics
Reinforcement Learning
Apply
Remote (Australia, AEST hours) · Full-Time · Melbourne
AI/ML
AI Agents
Design
Canva
Apply
In office · Part-Time · Plano
Python
SQL
Python
pySpark
Databases
PostgreSQL
Milvus
pgvector
Pinecone
Qdrant
AI/ML
AutoGen
LangChain
Spark
LlamaIndex
AI Agents
TensorFlow
PyTorch
CrewAI
LLM
RAG
LLMOps
Multi-Agent Systems
Machine Learning
DevOps
GCP
Azure
Apply
In office · Contractor · Bachelor's Degree · Redwood City
Python
Databases
Databricks
AI/ML
AI Agents
LLM
OpenAI Agents SDK
Structured Outputs
Machine Learning
DevOps
Git
Apply
In office · 8+ years exp · Bachelor's Degree · New York
Python
SQL
Databases
Google BigQuery
AI/ML
AI Agents
LLM
Apply
$203k – $280k per year · In office · Full-Time · 5+ years exp · Bachelor's Degree · Fort Lauderdale · Louisville · Dallas · Chicago · New York
Apply
In office · Full-Time · 4+ years exp · High School Diploma · Stamford · Chicago · Orlando · San Francisco · Dallas
Marketing
Salesforce
Apply
$105k – $135k per year · In office · Full-Time · 7+ years exp · Bachelor's Degree · Los Angeles · New York
Apply
LPN Supervisor 1 day ago
In office · Full-Time · 1+ year exp · New York
Apply
See all jobs
This is one of many
2,121,750 more open roles from verified company boards, updated every day.