

Crossing Hurdles
Python Developer | 200k/year Remote
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Python Developer with backend engineering expertise, offering $90k-$200k/hour for over 6 months, remote work. Key skills include Python, Node.js, RESTful APIs, relational and NoSQL databases, and experience in AI model training.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
909
-
ποΈ - Date
October 26, 2025
π - Duration
More than 6 months
-
ποΈ - Location
Remote
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
United States
-
π§ - Skills detailed
#Redis #Debugging #TypeScript #Python #Scala #JavaScript #React #GraphQL #Security #AI (Artificial Intelligence) #Java #PostgreSQL #NoSQL #Databases #MongoDB #Programming #Datasets #Database Performance #Docker #C++ #MySQL
Role description
At Crossing Hurdles, we work as a referral partner. We refer candidates to our partner that collaborates with worldβs leading AI research labs to build and train cutting-edge AI models.
Position: Backend Engineering Specialist (Full Time)
Type: Hourly Contract
Compensation: $90k-$200k/per hour
Location: Remote or in-person
Schedule: 9:00amβ5:30pm PST for the first two weeks; then aligned with your local time zone
Role Overview
β’ Curate advanced coding datasets and benchmark model outputs to improve AI understanding of programming practices
β’ Collaborate with engineering teams to teach AI models human coding techniques including writing, debugging, and optimizing code
β’ Annotate and evaluate AI-generated code across languages to ensure efficiency, scalability, and enterprise-level quality
β’ Provide text, voice, or video data and feedback to help models learn from human expertise
Key Responsibilities (Training support will be provided)
β’ Curate and correct code examples in Python, JavaScript (ReactJS), C/C++, Java, Rust, and Go
β’ Assess and refine AI outputs for adherence to programming efficiency and reliability standards
β’ Collaborate cross-functionally to enhance AI-driven coding tools and benchmark large language model performance
β’ Improve annotation tools and data workflows to bolster training quality
β’ Design coding tasks that challenge AIβs technical reasoning and problem-solving ability
Ideal Qualifications
β’ Strong professional experience of back-end development experience
β’ Skilled in multiple server-side languages, notably Python and Node.js
β’ Expertise designing and implementing RESTful APIs and GraphQL endpoints
β’ Deep knowledge of relational databases (PostgreSQL, MySQL) and NoSQL systems (MongoDB, Redis)
β’ Strong understanding of database performance optimization and web security best practices
β’ Experience with asynchronous job processing and comprehensive test frameworks
Preferred Qualifications
β’ Detail-oriented with excellent logical reasoning and problem-solving skills
β’ Experience in containerization (e.g., Docker)
β’ Familiarity with front-end technologies such as TypeScript or React to aid cross-team collaboration
Application Process
β’ Complete a 15-minute screening interview
β’ Technical deep-dive discussion of software engineering and annotation experience
β’ Take-home coding or annotation challenge
β’ Team meet-and-greet with project collaborators.
At Crossing Hurdles, we work as a referral partner. We refer candidates to our partner that collaborates with worldβs leading AI research labs to build and train cutting-edge AI models.
Position: Backend Engineering Specialist (Full Time)
Type: Hourly Contract
Compensation: $90k-$200k/per hour
Location: Remote or in-person
Schedule: 9:00amβ5:30pm PST for the first two weeks; then aligned with your local time zone
Role Overview
β’ Curate advanced coding datasets and benchmark model outputs to improve AI understanding of programming practices
β’ Collaborate with engineering teams to teach AI models human coding techniques including writing, debugging, and optimizing code
β’ Annotate and evaluate AI-generated code across languages to ensure efficiency, scalability, and enterprise-level quality
β’ Provide text, voice, or video data and feedback to help models learn from human expertise
Key Responsibilities (Training support will be provided)
β’ Curate and correct code examples in Python, JavaScript (ReactJS), C/C++, Java, Rust, and Go
β’ Assess and refine AI outputs for adherence to programming efficiency and reliability standards
β’ Collaborate cross-functionally to enhance AI-driven coding tools and benchmark large language model performance
β’ Improve annotation tools and data workflows to bolster training quality
β’ Design coding tasks that challenge AIβs technical reasoning and problem-solving ability
Ideal Qualifications
β’ Strong professional experience of back-end development experience
β’ Skilled in multiple server-side languages, notably Python and Node.js
β’ Expertise designing and implementing RESTful APIs and GraphQL endpoints
β’ Deep knowledge of relational databases (PostgreSQL, MySQL) and NoSQL systems (MongoDB, Redis)
β’ Strong understanding of database performance optimization and web security best practices
β’ Experience with asynchronous job processing and comprehensive test frameworks
Preferred Qualifications
β’ Detail-oriented with excellent logical reasoning and problem-solving skills
β’ Experience in containerization (e.g., Docker)
β’ Familiarity with front-end technologies such as TypeScript or React to aid cross-team collaboration
Application Process
β’ Complete a 15-minute screening interview
β’ Technical deep-dive discussion of software engineering and annotation experience
β’ Take-home coding or annotation challenge
β’ Team meet-and-greet with project collaborators.





