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Senior Software Engineer, Fullstack (Repayments UX)

  • Remote, Spain
  • Senior
  • Posted 2 days ago
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In one line

Full-stack senior role on a small European team building the screens and flows people use to repay loans, with on-call duty and quarterly goals.

About the role

Repayment UX is a growing full-stack group spread across Europe but run with a Silicon Valley mindset. Work is measured by how it changes what borrowers actually do.

At a glance

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

What you will do

  • Own and deliver your team's quarterly goals, guiding other engineers through open-ended problems.
  • Join product, design and analytics in shaping features, flagging technical limits and weighing trade-offs.
  • Set or raise code review and design standards, and share them through writing and tech talks.
  • Watch service health with metrics, escalate when needed, and take part in on-call rotation.

What they look for

  • Four or more years building and designing mobile apps, ideally with a declarative UI framework such as React Native.
  • Experience shipping web apps with React or Vue, plus backend systems in Python or Kotlin.
  • A track record of technical plans for big features and safe changes inside a large codebase.
  • Clear written and spoken communication for working with engineers across the globe.

Nice to have

  • Mobile architecture experience with declarative UI frameworks is a plus.

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
https://keywordise.com/mcp

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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
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 jaadvnowon
How to connect

Questions about this job

Can I do this job remotely, and from which countries?

Yes. The posting lists Senior Software Engineer, Fullstack (Repayments UX) as a remote role for 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 senior role. The posting asks for: four or more years building and designing mobile apps, ideally with a declarative UI framework such as React Native; experience shipping web apps with React or Vue, plus backend systems in Python or Kotlin; a track record of technical plans for big features and safe changes inside a large codebase. Skills it names include React Native, React, Vue, Python.

How do I apply with Keywordise AI?

Click Apply with Keywordise AI, create an account and upload your CV. Your CV and cover letter are written for this job from what you have really done, then Keywordise applies for you. Trial: 7 days, no card.

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