First CircleHiring

Senior Backend Engineer

  • Remote, Serbia
  • Senior
  • Posted 7 days ago
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In one line

Senior Backend Engineer is a remote role in Serbia at a fast-growing SME neobank in Southeast Asia.

About the role

The team works on the credit gap for small businesses in developing markets, where digital infrastructure is thin and most systems are built in-house. Good work means shipping features that hold up as the bank scales.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, Serbia
Seniority
Senior
Skills
Kotlin, Java, Ruby, API design, Relational databases, Data modeling
Posted
28 Oct 2026
Last checked
2 Nov 2026

What you will do

  • Build and evolve backend services and APIs that stay fast, reliable and easy to change
  • Take features from early idea through shipping, measuring results and iterating
  • Weigh in on architecture, write clear technical proposals and balance speed against durability
  • Set up ways to catch problems early, respond fast and support users when things break
  • Review code, share knowledge and help other engineers grow

What they look for

  • Five or more years running production backend systems in Kotlin, Java or Ruby
  • Solid grasp of API design, relational databases and data modeling, including keeping data consistent at scale
  • Hands-on production experience: debugging, incident investigation and hardening systems afterwards
  • Comfortable when priorities shift, plus curiosity about AI and practical use of AI tools

Benefits

  • Remote work with flexible hours, co-working space in Belgrade, MacBooks, private health insurance and training budgets

How Keywordise applies for you

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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
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ChatGPT

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Connector URL
https://keywordise.com/mcp

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Muse

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Message for Muse
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Muse is available in the US only for now.

Prompt
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How to connect

Questions about this job

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

Yes. The posting lists Senior Backend Engineer as a remote role for candidates in Serbia.

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: five or more years running production backend systems in Kotlin, Java or Ruby; solid grasp of API design, relational databases and data modeling, including keeping data consistent at scale; hands-on production experience: debugging, incident investigation and hardening systems afterwards. Skills it names include Kotlin, Java, Ruby, API design.

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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First CircleRemote, Serbia
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