WeekdayHiring

Senior Software Engineer

  • Remote, United States
  • Contract
  • Senior
  • Posted 10 days ago
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or apply from Claude / ChatGPT / Muse

In one line

Contract engineering role, about 15 hours a week and fully remote with flexible hours, writing coding tasks that test AI systems.

About the role

Suits an engineer with strong backend background and good judgment about what counts as a correct solution. You build realistic problems and the checks that separate good submissions from bad ones.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, United States
Seniority
Senior
Employment
Contract
Skills
Python3, Java, Rust, Algorithms, TypeScript
Posted
19 Oct 2026
Last checked
27 Oct 2026

What you will do

  • Design coding problems around feature work, bug fixes, refactoring and performance
  • Write reference solutions that are correct, efficient and easy to maintain
  • Build deterministic verifiers, validation scripts and test cases
  • Review code for correctness, readability, security and performance

What they look for

  • Professional backend experience on production systems
  • Fluency in languages such as Python, Java, Rust, TypeScript, Go, Node.js or C++
  • Experience designing and maintaining scalable services and APIs
  • Strong debugging and testing know-how

A typical week

  • Pick your own hours and days, weekends included if you like
  • Analyze complex defects and trace bottlenecks to their root cause
  • Diagnose flaky tests and grow large test suites
  • Document task requirements, expected behavior and verification criteria

How Keywordise applies for you

  1. 1Upload your CVAdd your CV once. It takes about a minute.
  2. 2Tailored to this jobKeywordise writes a CV and a cover letter for this job from your real experience.
  3. 3The form fills itselfName, email, experience and screening questions, field by field.
  4. 4Application sentYou get a receipt and follow it in your dashboard.

Apply with Keywordise AI7-day free trial, no card.

Apply from your AI assistant

Connect Keywordise to your assistant once, then send it the prompt. It applies for you.

ClaudeConnectorChatGPTConnectorMuseby Meta

Claude

  1. In Claude, open Settings, then Connectors, and choose Add custom connector.
  2. Name it Keywordise and paste the connector URL.
  3. Click Connect, log in to Keywordise and approve. Then send the prompt in a new chat.
Connector URL
https://keywordise.com/mcp

Disconnect any time in your Keywordise settings.

ChatGPT

  1. In ChatGPT, open Settings, then Connectors. On plans that need it, turn on developer mode first.
  2. Add a new connector with the connector URL and choose OAuth. Leave the client ID and secret empty.
  3. Log in to Keywordise and approve. Then send the prompt in a new chat.
Connector URL
https://keywordise.com/mcp

Disconnect any time in your Keywordise settings.

Muse

  1. Open Muse (muse.ai or the app) and send it the message below.
  2. If Muse asks how to sign in, answer OAuth. Open the sign-in link it sends, log in to Keywordise and approve.
  3. Send the prompt. Muse asks before it sends anything.
Message for Muse
Add a custom connector called Keywordise. It is a remote MCP server at https://keywordise.com/mcp and uses OAuth. Give me the sign-in link.

Muse is available in the US only for now.

Prompt
Apply to Keywordise job nui3sif4fc
How to connect

Questions about this job

Is this a remote job, and where can I work from?

The posting lists it as remote for people in the United States.

What does this job pay?

The posting does not state a salary, so there is no figure to quote.

What experience is needed?

It is a senior role. The posting asks for: professional backend experience on production systems; fluency in languages such as Python, Java, Rust, TypeScript, Go, Node.js or C++; experience designing and maintaining scalable services and APIs. Skills it names include Python3, Java, Rust, Algorithms.

How do I apply with Keywordise AI?

Press the Apply with Keywordise AI button and add your CV. Keywordise tailors your CV and cover letter to this posting and sends the application for you, with a free 7-day trial and no card.

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