# Software Engineer - Backend

This role is for one of our clients Compensation: $50-$100 per hour Engagement Type: Project-based contractor role, with payment per approved task Time Commitment: Approximately 15 hours per week Estimated Task Duration: Around 5 hours for trainers and 1.5 hours for reviewers Work Arrangement: Fully remote Technical Requirements: Hands-on expertise in at least one of Python, Java, Rust, Go, C++, or TypeScript We are looking for experienced Backend Software Engineers to contribute to the development of Reinforcement Learning Environments (RLEs) designed to evaluate and improve the capabilities of advanced AI models in solving real-world software engineering challenges. In this role, you will create complex, repository-based coding tasks that assess a model's ability to debug sophisticated issues, implement backend features, refactor existing systems, and optimize application performance. You will work with real codebases to define engineering problems, establish reproducible development environments, and develop reliable verification systems that evaluate submitted solutions. The ideal candidate has strong backend engineering experience, excellent problem-solving abilities, and the

- **Id**: 4186088
- **Url**: <https://alion.io/job/weekday-software-engineer-backend>
- **Role**: Backend
- **Role family**: Backend
- **Employment type**: contractor
- **Work mode**: remote
- **Remote scope**: stated_countries
- **Remote scope basis**: board_field
- **Hiring geo confidence**: structured
- **Hiring countries**: US
- **Hiring countries total**: 1
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-12T18:17:58Z
- **Employer posted date**: 2026-11-12
- **Last verified at**: 2026-11-12T18:17:58Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 4564
- **Description truncated**: no
- **Relocation offered**: no

## Company

- **Id**: 7097
- **Name**: Weekday
- **Domain**: weekday.works
- **Url**: <https://alion.io/company/weekday>
- **Size band**: 51-200
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no
- **Ats vendor**: Workable

### Truth index

- **Grade**: B
- **Score**: 80
- **Open postings**: 117
- **Ghost share**: 0
- **Stale share**: 0.983
- **Repost share**: 0
- **Time to fill p50 days**: 5
- **Computed at**: 2026-11-12T10:38:37Z

## Salary

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

## Technologies

- **C++** — Optional: no
- **Go** — Optional: no
- **Java** — Optional: no
- **Machine Learning** — Optional: no
- **Python** — Optional: no
- **Reinforcement Learning** — Optional: no
- **Rust** — Optional: no
- **TypeScript** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

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

## Hiring locations

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

## Lifecycle

- Event: open; At: 2026-11-12T18:17:58Z

## Liveness

- **Score**: 52
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.516
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 5
- **Reasons**: conf:0, agency, win:early, comp:brand
- **Computed at**: 2026-11-12T19:16:34Z

## 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.