Crossing Hurdles

Python Developer | 200k/year Remote

⭐ - 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.
🌎 - Country
United States
πŸ’± - Currency
$ USD
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πŸ’° - Day rate
909
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πŸ—“οΈ - Date
October 26, 2025
πŸ•’ - Duration
More than 6 months
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🏝️ - Location
Remote
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πŸ“„ - Contract
Unknown
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πŸ”’ - Security
Unknown
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πŸ“ - Location detailed
United States
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🧠 - 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 world’s 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: 9:00am–5:30pm 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 AI’s 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.