An international business aviation technology companyHiring

Senior Backend Developer

  • Remote, worldwide
  • Senior
  • Posted 2 days ago
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or apply from Claude / ChatGPT / Muse

In one line

Hands-on Java role on a large backend serving web, mobile and external integrations, fully remote across Europe.

About the role

Ownership sits with engineers who ship features end to end, in a team that cares about code quality and uses AI tools in a practical way rather than as research.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, worldwide
Seniority
Senior
Skills
Java, Spring Boot, Hibernate, Kafka, Git, Maven, REST APIs
Posted
29 Oct 2026
Last checked
29 Oct 2026

What you will do

  • Build and improve a large Java backend behind web and mobile products
  • Deliver features end to end with product and engineering colleagues
  • Work with distributed services, async event processing and AI-assisted development
  • Apply LLM workflows such as retrieval and tool use where they fit the product

What they look for

  • Six or more years of Java backend work, ideally Java 17 with Spring Boot and Hibernate
  • Event-driven development with Kafka or similar messaging technology
  • Familiarity with functional principles, LLM agents and AI coding tools like Cursor or Copilot

Nice to have

  • Model Context Protocol, autonomous agents or multi-agent workflows
  • Scala, Kotlin, Vavr, Elasticsearch, vector search, Redis, Docker, Kubernetes, AWS, Terraform

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.

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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

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 yqbvqy6ggm
How to connect

Questions about this job

Is this job fully remote, and from where?

Yes, it is listed as remote, and the posting does not tie it to one country.

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: six or more years of Java backend work, ideally Java 17 with Spring Boot and Hibernate; event-driven development with Kafka or similar messaging technology; familiarity with functional principles, LLM agents and AI coding tools like Cursor or Copilot. Skills it names include Java, Spring Boot, Hibernate, Kafka.

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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An international business aviation technology companyRemote, worldwide
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