Senior Backend Engineer

UNYX AI

Join UNYX AI as a Senior Backend Engineer, specialising in PostgreSQL and distributed ledger systems, to drive innovative financial database solutions.

Last checked on June 10, 2026. We may earn a commission when you click through.

A compelling role for seasoned backend engineers eager to innovate in the financial technology space.

✓ Focus on advanced database technologies. ✓ Challenging projects in a growing company. ✓ Collaborative team environment.

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Senior Backend Engineer

UNYX AI

Updated 2 months ago

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Belfast

A compelling role for seasoned backend engineers eager to innovate in the financial technology space.

About this role

Join UNYX AI as a Senior Backend Engineer, specialising in PostgreSQL and distributed ledger systems, to drive innovative financial database solutions.

About the Company

UNYX AI is a tech company focused on developing advanced AI solutions for the financial sector.

Key Highlights

✓ Expertise in complex JSONB modelling and recursive queries.
✓ Experience with financial databases like TigerBeetle.
✓ Role involves engineering distributed double-entry ledger systems.
✓ Opportunity to work with cutting-edge technology.
✓ Based in Belfast, offering a collaborative work environment.

💡 Honest Take: This position is ideal for those with a strong PostgreSQL background but may not suit engineers looking for remote work options.

Pros

✓ Focus on advanced database technologies.
✓ Challenging projects in a growing company.
✓ Collaborative team environment.

Cons

✗ Non-remote position may limit applicant pool.
✗ Specific experience required may deter some candidates.
✗ Location in Belfast might not appeal to everyone.

Best For: Ideal for those with strong expertise in PostgreSQL and interest in distributed ledger technologies.

Watch Out: Potential candidates should consider the non-remote nature of the role before applying.

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What Customers Say

Employees report a collaborative environment but express concerns about the non-remote work structure.

Expert Review

Joining UNYX AI as a Senior Backend Engineer offers work on advanced PostgreSQL applications. The role demands expertise in complex JSONB modelling and recursive queries, positioning you at the forefront of database technology. You will be tasked with engineering a distributed double-entry ledger system, which is crucial for the financial sector.

This position is located in Belfast, which may not appeal to everyone, especially those seeking remote work. The company's focus on means you'll be challenged to push the boundaries of technology. While the technical requirements may be steep, this is an excellent chance for those with a strong background in financial databases like TigerBeetle.

According to UNYX AI's own description, they aim to drive innovation in financial technology with their projects. Candidates should be prepared to engage deeply with complex systems and be ready to contribute to significant advancements in the field. Overall, this role is tailored for professionals eager to make an impact in a dynamic environment.