Backend Engineer, AI Coding Task Design

Devconnectplatform; United States; Remote; USD 41,000 - 138,000; Part time

Benefits offered by this job

Remote work

Flexible schedule

Job summary

OpenTrain AI, a fully remote US-based company, is hiring a Backend Engineer to design AI coding tasks and verifiers. This part-time role emphasizes scalable APIs, robust backend services, and secure coding practices. You will work independently, with flexible hours and task-based pay.

Ideal candidates have strong backend experience across Python, Java, Node.js, Go, Rust, TypeScript or C++. No AI-specific background required; training materials are provided.

Qualifications

• Strong professional backend experience with modern languages and frameworks.
• Experience designing scalable APIs/services and performing code reviews.
• Familiarity with secure coding practices and threat modeling is a plus.

Responsibilities

• Design realistic AI coding tasks for evaluation systems.
• Write deterministic verifiers and assess correctness and quality of code.
• Apply secure coding and security review where relevant.

Skills

Python

Java

Node.js

Go

Rust

TypeScript

C++

Job description

# Backend Engineer, AI Coding Task DesignOpenTrain AISalary not statedPart-timeremote· midUSpythonjavanodegorusttypescriptListed via Hacker News · posted 8 Nov 2026. The application happens there, not on DevConnect.Apply on the company site## DescriptionOpenTrain AI | REMOTE (US) | Part-time | Backend Engineer, AI Coding Task DesignOpenTrain AI connects experienced professionals with paid, part-time AI training work. We are the hiring company and are actively filling this role.- $30–$100 per hour equivalent, paid per accepted task- 100% remote, United States- About 15 hours/week; choose your scheduleWe need backend engineers to design realistic coding tasks for AI systems, write deterministic verifiers, assess correctness and code quality, and apply secure coding and security review where relevant. This work helps improve AI systems that write software.Ideal background- Strong professional backend experience with Python, Java, Node.js, Go, Rust, TypeScript, C++ or similar- Scalable APIs/services, complex features, debugging, bottleneck resolution and code review- Strong analytical, problem-solving and technical communication skills; professional English- Helpful: application security, secure coding, vulnerability assessment, penetration testing, OWASP/CWE or security-focused code review- No AI experience needed; structured task-design guidelines and verification criteria are providedIndependent contractor; pay is per accepted task. Fully remote and flexible, with no fixed shifts. Apply on OpenTrain (resume upload): https://app.opentrain.ai/api/out/cmu9linxg000o0bgm9xiw33b9?c...Then complete a short application on the hiring platform. Shortlisted applicants take a short AI interview.