Senior Backend Engineer - Create AI Coding Tasks (Remote, Part-Time)

Appsierra Group; American Samoa; On-site; USD 58,000 - 192,000; Full time

Job summary

Appsierra Group is seeking a Senior Software Engineer for a remote, contract role (~15 hours/week). Tasks focus on designing coding challenges for AI systems, implementing features, fixing bugs, debugging, and performance optimization across Java, Node.js, Go, Rust, TS, Python, or C++.

You’ll build deterministic verifiers and ensure engineering quality. The role emphasizes strong backend expertise, scalable services, automated testing, and excellent problem solving.

Qualifications

• Strong backend experience with scalable services.
• Hands-on with Java/Node.js/Go/Rust/TypeScript/Python/C++ or similar.
• Track record of building scalable APIs.

Responsibilities

• Design realistic coding tasks for AI systems.
• Create tasks involving feature implementation, bug fixing, debugging, and performance optimization.
• Develop deterministic verifiers to distinguish valid solutions from incomplete ones.
• Build and evaluate scalable services and APIs.
• Diagnose defects and bottlenecks; apply automated testing.

Skills

Backend development

Code debugging

System design

Performance optimization

Automated testing

Technical communication

Tools

Java

Node.js

Go

Rust

TypeScript

Python

C++

Job description

Appsierra Group is seeking a Senior Software Engineer for a remote, contract role (~15 hours/week). Tasks focus on designing coding challenges for AI systems, implementing features, fixing bugs, debugging, and performance optimization across Java, Node.js, Go, Rust, TS, Python, or C++.

You’ll build deterministic verifiers and ensure engineering quality. The role emphasizes strong backend expertise, scalable services, automated testing, and excellent problem solving.