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Software Engineer II, Fullstack (Repayment UX)

  • Remote, Spain
  • Mid-level
  • Posted 2 days ago
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or apply from Claude / ChatGPT / Muse

In one line

Full-stack role on a European team building the screens people use to repay loans, for a company serving over 20 million customers.

About the role

Repayment UX work covers user journeys that handle tens of billions in loan repayments each year. The team sits entirely in Europe in one time zone and runs on agile delivery with close measurement of how changes affect user behaviour.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, Spain
Seniority
Mid-level
Skills
Python, Kotlin, React, Vue, React Native
Posted
27 Oct 2026
Last checked
29 Oct 2026

What you will do

  • Break bigger projects into tasks, ship them in stages and work with others to land them on time
  • Join product, design and analytics in shaping features, flagging technical limits and weighing trade-offs
  • Watch service health through metrics, raise problems when they appear and share on-call duty
  • Take part in hiring and other activities that keep the team growing

What they look for

  • At least 1.5 years working as a software engineer
  • Background building and launching backend systems, with fluency in Python or Kotlin
  • Experience shipping web apps with a declarative UI framework such as React or Vue
  • Comfort reading a large codebase, debugging other people's code and giving review feedback
  • Clear written and spoken communication for a team spread across countries

Nice to have

  • Mobile app development, ideally with React Native

Benefits

  • Base pay plus equity and benefits, with monthly health and wellbeing stipends

How Keywordise applies for you

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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
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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
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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
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How to connect

Questions about this job

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

Yes, it is listed as remote, aimed at candidates in Spain.

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 mid-level role. The posting asks for: at least 1.5 years working as a software engineer; background building and launching backend systems, with fluency in Python or Kotlin; experience shipping web apps with a declarative UI framework such as React or Vue. Skills it names include Python, Kotlin, React, Vue.

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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