A national security software and data engineering firmHiring

Senior Principal Software Engineer

  • USD 145,900 to 248,000 per year
  • Remote, worldwide
  • Full-time
  • Lead
  • Posted 10 days ago
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or apply from Claude / ChatGPT / Muse

In one line

Senior engineering role on an AI research program for defense and intelligence customers, prototyping small focused solutions and turning them into working software.

About the role

The program researches AI capabilities that extend existing tools, and the engineer proposes and proves out compact prototypes for known needs. Effort is individual, with room to research, design and demonstrate what works.

At a glance

Pay
USD 145,900 to 248,000 per year
Remote scope
Remote, worldwide
Seniority
Lead
Employment
Full-time
Skills
Python, LLMs, Embeddings, GitLab, Docker, Podman, gRPC, Protobuf
Posted
19 Oct 2026
Last checked
28 Oct 2026

What you will do

  • Join architecture discussions and deliver priority features
  • Write quality software that meets user requirements and ships on schedule
  • Build automated testing into the codebase
  • Keep the feature backlog groomed and work in sprints

What they look for

  • Able to obtain and hold a TS security clearance, which requires US citizenship
  • Comfortable collaborating with a team yet executing alone
  • Strong in Go and Python
  • Experience designing new capabilities or leading that design
  • Work with LLMs, embeddings and smaller trained models, including evaluating accuracy and limits

Nice to have

  • Containers with Docker or Podman
  • Building and using GitLab CI pipelines
  • GRPC or Protobuf

How Keywordise applies for you

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  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

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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 f3g7322zgj
How to connect

Questions about this job

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

The posting lists it as remote with no single country named, so candidates from different countries can apply.

What does this job pay?

The posting states USD 145,900 to 248,000 per year.

What experience is needed?

It is a lead role. The posting asks for: able to obtain and hold a TS security clearance, which requires US citizenship; comfortable collaborating with a team yet executing alone; strong in Go and Python. Skills it names include Python, LLMs, Embeddings, GitLab.

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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A national security software and data engineering firmRemote, worldwide
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