# [Remote] Software Engineer - Backend

Note: The job is a remote job and is open to candidates in USA. micro1 is recruiting for an unnamed client for a backend software engineering role focused on creating challenging coding tasks from real repositories. The work includes building reproducible environments, writing deterministic verifiers and reference solutions, and flagging ambiguous or unverifiable tasks. Responsibilities Create realistic, challenging coding tasks for frontier AI models, drawn from repositories you know well Design problems that require real engineering skill — subtle bugs, non-trivial features, meaningful performance work — not lookup or boilerplate Build a reproducible environment for each task Write deterministic verifiers that accept correct solutions across different valid implementations, while rejecting incorrect, incomplete, or hard-coded approaches Provide a reference solution showing how the task can be solved Flag tasks that turn out to be ambiguous or unverifiable rather than submitting them Skills Hands-on expertise in at least one of Python, Java, Rust, Go, C++, or TypeScript Significant hands-on expertise in at least one of: Python3, Java, Rust, Go, C++, or TypeScript Deep understand

- **Id**: 4138301
- **Url**: <https://alion.io/job/invisible-technologies-remote-software-engineer-backend>
- **Role**: Backend
- **Role family**: Backend
- **Employment type**: full_time
- **Work mode**: remote
- **Remote scope**: stated_countries
- **Remote scope basis**: posting_text
- **Hiring geo confidence**: explicit
- **Locations**: United States
- **Countries**: US
- **Hiring countries**: US
- **Hiring countries total**: 1
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T03:45:53Z
- **Last verified at**: 2026-11-12T03:45:53Z
- **Board verified**: no
- **Days open**: 0
- **Description format**: text
- **Description chars**: 2201
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Business Process Outsourcing (BPO), AI Training Data & Annotation, AI Evaluation & Observability

## Company

- **Id**: 4483647
- **Name**: Invisible Technologies
- **Domain**: invisibletech.ai
- **Url**: <https://alion.io/company/invisible-technologies-2>
- **Size band**: 201-500
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 13
- **Ghost share**: 0
- **Stale share**: 0.615
- **Repost share**: 0
- **Time to fill p50 days**: 58
- **Computed at**: 2026-11-11T05:49:22Z

## Salary

- **Min**: 50
- **Max**: 100
- **Currency**: USD
- **Period**: hour
- **Usd annual**: 200000

## Technologies

- **C++** — Optional: no
- **Go** — Optional: no
- **Java** — Optional: no
- **Python** — Optional: no
- **Rust** — Optional: no

## Trust

- **Level**: not_scored
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-12T04:19:30Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 18; Filings 12m: 18

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 77
- **Reasons**: seen:0, win:early, comp:brand
- **Computed at**: 2026-11-12T07:15:53Z

## Pay

- **Stated usd annual**: 200000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.