Principal Kotlin Software/ Data Engineer

ZipRecruiter; London; Hybrid; GBP 100,000 - 140,000; Full time

Job summary

A leading technology company is seeking a Senior/Principal Software Engineer specializing in Kotlin and Java to join a high-impact team focused on building data-intensive systems. This role involves designing concurrent systems and optimizing distributed architectures for a tier one financial player, offering a competitive salary and the opportunity to tackle complex engineering challenges.

Qualifications

• Strong experience in Kotlin or Java.
• Background in data architectures and large-scale systems.
• Knowledge of distributed systems and scalable data architectures.

Responsibilities

• Design and build highly concurrent, data-intensive systems.
• Work on distributed architectures, optimizing for low latency and high throughput.
• Solve challenging engineering problems at scale.

Skills

Kotlin

Java

Data architectures

Distributed systems

Relational databases

Job description

Job Description

Senior/ Principal Software Engineer - Data - (Kotlin/Java)

London

Remote-first organisation, but will involve some visits to London office

£100,000-£140,000 (potential flex for exceptional candidates)

We're after an experienced Java/ Kotlin engineer who wants to solve hard technical problems, with experience in building data-intensive, high-throughput systems. This is a small, high-impact team working on a central data store supporting mission-critical platforms at a global scale.

What you'll do:

• Design and build highly concurrent, data-intensive systems.
• Work on distributed architectures, optimizing for low latency and high throughput.
• Leverage big data technologies like Redis, distributed caches, and modern data stores (e.g., Couchbase, Cassandra).
• Solve challenging engineering problems at scale, ensuring reliability and performance under heavy load.

What you'll need:

• Strong Kotlin or Java experience (Kotlin ).
• Background in data architectures and large-scale systems.
• Experience with relational databases (Oracle a plus, but not essential).
• Knowledge of distributed systems and scalable data architectures.

This is an exciting and absolutely mission-critical project for a tier one financial player - if you're looking to solve hard technical problems and have experience with the technologies above, apply now for a fast turnaround.