ZigZagHiring

Senior Full Stack Engineer (Ruby on Rails)

  • Remote, Bulgaria
  • Full-time
  • Senior
  • Posted 2 days ago
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or apply from Claude / ChatGPT / Muse

In one line

Senior Rails engineer on a remote team building and maintaining a returns and post-purchase platform used by large retailers.

About the role

Strong Ruby on Rails hands-on experience matters most here, along with an appetite for hard technical problems and for sharing what you know. Work happens alongside product managers, designers and other engineers on a modern, scalable platform.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, Bulgaria
Seniority
Senior
Employment
Full-time
Skills
Ruby on Rails, Go, TypeScript, React, Elasticsearch, RabbitMQ, Kubernetes
Visa
No sponsorship
Posted
27 Oct 2026
Last checked
27 Oct 2026

What you will do

  • Build, maintain and improve Ruby on Rails applications and backend services
  • Write and look after APIs and integrations with internal and external systems
  • Ship clean, well tested code and take part in code reviews and technical talks
  • Troubleshoot bugs and production issues, and help with performance, reliability and scaling
  • Contribute to testing, deployment and continuous integration, and document technical solutions

What they look for

  • Solid Ruby on Rails experience at a senior level
  • Comfort solving complex technical challenges and delivering high quality solutions
  • Willingness to share knowledge with the wider engineering team
  • Right to work in Bulgaria, since visa sponsorship is not available

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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Apply from your AI assistant

Connect Keywordise to your assistant once, then send it the prompt. It applies for you.

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 bmo43pvsvv
How to connect

Questions about this job

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

The posting lists it as remote for people in Bulgaria.

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: solid Ruby on Rails experience at a senior level; comfort solving complex technical challenges and delivering high quality solutions; willingness to share knowledge with the wider engineering team. Skills it names include Ruby on Rails, Go, TypeScript, React.

How do I apply with Keywordise AI?

Select Apply with Keywordise AI, sign up and upload your CV. Keywordise writes a CV and a cover letter for this job from your real experience and applies for you. The 7-day free trial needs no card.

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