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We are seeking a highly analytical Python Developer with a computational background to design research-grade scientific problems and Python solutions for frontier AI model training.
Python
Java
Go
+7
Software Development
Software Architecture
Debugging
Observability
Code Review
Quality Assurance
AI Evaluation
Remote contractor role building coding-agent benchmark tasks from production-like repositories: define utility and safety requirements, develop visible and hidden test suites, and analyse rollouts from frontier agents such as Claude Code and Codex. 8+ years experience, 4-8 week engagement, 20 hrs/week with 4-hour PST overlap.
Python
Docker
FastAPI
+8
Flask
Django
Git
REST API
Microservices
Backend Development
API Development
AI Evaluation
Remote contractor role on a frontier AI data initiative: build Python backends that replicate SaaS tools (Slack, Linear, Jira, Notion, Gmail), author realistic long-horizon tasks from mined workflows, and write evaluation rubrics used to train and evaluate AI agents. $300 per approved task, 2-3 week engagement.
We're looking for engineers who have shipped production search systems (especially agentic ones now that we're in the era of LLMs and agents) and are thinking hard about the requirements and optimizations of those systems.
Remote contractor role evaluating and improving agentic coding models: reviewing model trajectories, verifying solutions, designing realistic coding tasks, and producing high-quality annotations. 5+ years of software engineering.
Quality Assurance
Automation
AI
+12
Testing
Strategic Thinking
Triage
Accuracy
Training
Engineering
Research
English
Flexible
Payments
Contracts
Automated Testing
Apply QA and test automation expertise to AI datasets — validate testing content, annotate automation workflows, and improve software-quality AI models.
AI
Architecture
iOS SDK
+12
Android SDK
React
Accuracy
Training
Research
English
Flexible
Payments
Contracts
Mobile Development
React Native
Mobile Architecture
Contribute mobile development expertise to AI datasets — validate code and architecture content, annotate technical examples, and improve coding AI models.
AI
Training
Precision
+12
Flexible
Logic
Organization
Labelbox
Accuracy
Compliance
Formatting
Engineering
Git
Infrastructure
JSON
Automation
What if your precision with configuration files and structured data could directly influence how AI understands and generates code for engineers around the world?
AI
Infrastructure
APIs
+12
Model Serving
Microservices
Flexible
Organization
Architecture
Training
Engineering
Databases
Scalability
Microsoft Teams
Python
Go
What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines…
AI
Infrastructure
Engineering
+12
Research
Flexible
Organization
Training
Python
TypeScript
APIs
Cross-Functional Collaboration
Microsoft Teams
Machine Learning
Programming
JavaScript
What if your engineering skills could directly shape the platforms and systems behind the AI revolution? We're looking for Senior Software Engineers to design, build, and scale the infrastructure that powers cutting-edge AI products used by millions of people worldwide.
AI
Training
Engineering
+12
Flexible
Reasoning
Organization
Logic
Programming
Python
JavaScript
Java
C++
Go
TypeScript
Algorithms
What if the code you write could directly shape how the next generation of AI understands and generates software? We're looking for Software Engineers to build, evaluate, and improve AI-generated code — helping train AI systems to think like real developers.
AI
Engineering
Writing
+12
Debugging
Rubrics
Diagnosis
Git
Observability
Infrastructure
APIs
Manufacturing
SaaS
Monitoring
Datadog
Grafana
Alignerr is building a dataset of expert tasks that train and evaluate advanced AI agents on real enterprise work. As a Task Author for the Software Engineer role, you will design and calibrate real engineering tasks — diagnosing failing integrations from logs, tracing bugs…
Python
AI
Engineering
+12
Flexible
Organization
Modeling
SQL
Precision
Architecture
Optimization
Debugging
Consulting
REST API
APIs
Communication
What if your Python skills could directly influence how AI systems reason about code, data, and complex engineering problems?
AI
Engineering
Infrastructure
+12
Research
Microsoft Teams
Make
Organization
Testing
Benchmarking
APIs
Architecture
Documentation
Python
Pandas
NumPy
What if your engineering skills could directly determine whether the world's most advanced AI systems are actually working?
JavaScript
Labelbox
AI
+12
Logic
Problem Solving
English
Communication
Node.js
React
RLHF
Training
Flexible
Microsoft Teams
Angular
Algorithms
Labelbox • Remote (United States preferred) Shape the data that powers frontier AI Quick facts - Engagement - Hourly, at‑will contractor- Schedule - Fully remote & asynchronous (min.
C++
AI
Training
+12
Management
Architecture
Flexible
Algorithms
Programming
Logic
STL
OOP
Templates
Writing
Finance
Optimization
We're looking for experienced C++ developers to help evaluate and improve AI systems that write and reason about code. Your expertise will directly shape how AI understands C++ — from low-level memory management to complex systems architecture.
Go
AI
Training
+12
Research
Engineering
Microsoft Teams
Organization
Labelbox
Flexible
Reasoning
Problem Solving
Channels
Concurrency
Programming
Microservices
We're looking for experienced Go (Golang) developers to help train and evaluate the next generation of AI coding models. Your expertise will directly influence how AI understands, writes, and reasons about Go — making a measurable impact on the tools used by top research labs…
Rust
AI
Training
+12
Programming
Research
Organization
Labelbox
Flexible
Reasoning
Logic
Lifetimes
Concurrency
Decision Making
Communication
English
We're looking for experienced Rust developers to help evaluate and improve AI systems that generate and reason about code.
Java
Labelbox
AI
+12
Logic
Problem Solving
English
Communication
OOP
Spring Boot
Android SDK
RLHF
Training
Flexible
Microsoft Teams
Optimization
Labelbox • Remote (United States preferred) Shape the data that powers frontier AI Quick facts - Engagement - Hourly, at‑will contractor- Schedule - Fully remote & asynchronous (min.
Labelbox
AI
Node.js
+12
Python
Java
Go
Scalability
Logic
Problem Solving
English
Communication
REST API
APIs
Databases
Programming
Labelbox • Remote (United States preferred) Shape the data that powers frontier AI Quick facts Engagement - Hourly, at‑will contractor Schedule - Fully remote & asynchronous (min.
AI
Infrastructure
Engineering
+12
Annotation
Make
Go
Rust
Python
C++
Organization
Training
Benchmarking
Scalability
Research
Microsoft Teams
What if your systems engineering expertise could directly shape how the world's most advanced AI models are built, trained, and evaluated?
Rust
AI
Infrastructure
+12
Programming
Annotation
Organization
Research
Engineering
Microsoft Teams
Training
Architecture
Writing
Concurrency
Consistency
Machine Learning
What if your systems programming expertise could directly shape the infrastructure powering next-generation AI? We're looking for a Senior Rust Engineer to build and optimize the high-performance data pipelines, annotation tooling, and evaluation systems that sit at the heart of…
Rust
Infrastructure
AI
+12
Annotation
Engineering
Research
Microsoft Teams
Organization
Training
Architecture
English
Communication
Writing
Command Line
Machine Learning
What if your Rust expertise could directly shape the infrastructure powering the world's most advanced AI systems? We're looking for a Senior Rust Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to…
