Senior Software Engineer
- Remote, Spain
- Senior
- Posted 9 days ago
or apply from Claude / ChatGPT / Muse
Backend role in Go on a five-person platform team, building services that read web, TV and in-app content for ad targeting; remote-friendly and global.
About the role
The team works on understanding what content is about and how people respond to it, without cookies or tracking. Success means AI experiments turning into reliable services that hold up under heavy query loads.
At a glance
- Pay
- Not stated in the posting
- Remote scope
- Remote, Spain
- Seniority
- Senior
- Skills
- Go, Python, Node.js, TypeScript, LLM APIs, Embeddings, RAG, Terraform
- Posted
- 20 Oct 2026
- Last checked
- 28 Oct 2026
What you will do
- Build and run high-throughput, low-latency services in Go for a real-time bidding system
- Turn data science experiments and LLM features into production systems
- Write APIs, services and pipelines that handle large volumes of contextual data
- Prototype and test new ways to understand content on the open web, connected TV and in apps
- Take part in architecture decisions and improve performance and reliability
- Work with data scientists, AI teams and product managers
What they look for
- Hands-on Go experience running backend services in production
- Understanding of distributed systems, especially high-throughput or low-latency setups
- Experience with LLM APIs, embeddings or RAG
- Interest in AI-driven systems at scale
How Keywordise applies for you
Alex Demo
[email protected]
From your CV
Yes, fully remote
- Sent
- 09:41
- Attached
- Your tailored CV
- 1Upload your CVAdd your CV once. It takes about a minute.
- 2Tailored to this jobKeywordise writes a CV and a cover letter for this job from your real experience.
- 3The form fills itselfName, email, experience and screening questions, field by field.
- 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.
Claude
- In Claude, open Settings, then Connectors, and choose Add custom connector.
- Name it Keywordise and paste the connector URL.
- Click Connect, log in to Keywordise and approve. Then send the prompt in a new chat.
https://keywordise.com/mcpDisconnect any time in your Keywordise settings.
ChatGPT
- In ChatGPT, open Settings, then Connectors. On plans that need it, turn on developer mode first.
- Add a new connector with the connector URL and choose OAuth. Leave the client ID and secret empty.
- Log in to Keywordise and approve. Then send the prompt in a new chat.
https://keywordise.com/mcpDisconnect any time in your Keywordise settings.
Muse
- Open Muse (muse.ai or the app) and send it the message below.
- If Muse asks how to sign in, answer OAuth. Open the sign-in link it sends, log in to Keywordise and approve.
- Send the prompt. Muse asks before it sends anything.
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.
Apply to Keywordise job 3ddsjma3niQuestions about this job
Is this a remote job, and where can I work from?
The posting lists it as remote for people in Spain.
What does this job pay?
No pay range is stated in the posting.
What experience is needed?
It is a senior role. The posting asks for: hands-on Go experience running backend services in production; understanding of distributed systems, especially high-throughput or low-latency setups; experience with LLM APIs, embeddings or RAG. Skills it names include Go, Python, Node.js, TypeScript.
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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