Backend Engineer: Scale APIs, Data & Security

Caplia Technologies Ltd.; United Kingdom; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Caplia Technologies Ltd. is seeking a Backend Engineer to own the backbone of the platform in a hybrid UK role. You will design and run production backend systems, APIs, and data pipelines to scale securely as Caplia connects capital workflows for multiple customers.

You’ll work in a small, fast team, prioritizing security, reliability and performance, with ownership of critical components from day one.

Qualifications

• Production backend systems design and operation experience.
• Strong skills in API design, databases and cloud infrastructure.
• Security, reliability and scale should be considered from the start.
• Ownership mindset in a small, fast team.

Responsibilities

• Platform APIs: the APIs behind the product and integrations shipped.
• Connectivity: CRMs, data rooms and customer agents via REST and MCP.
• Data and scale: pipelines, performance, reliability as volume grows.
• Security at every layer: encryption, access control and auditability.

Skills

Backend design

API design

Databases

Cloud infrastructure

Job description

Caplia Technologies Ltd. is seeking a Backend Engineer to own the backbone of the platform in a hybrid UK role. You will design and run production backend systems, APIs, and data pipelines to scale securely as Caplia connects capital workflows for multiple customers.

You’ll work in a small, fast team, prioritizing security, reliability and performance, with ownership of critical components from day one.