Principal Kotlin Software/ Data Engineer

JR United Kingdom; Slough; Hybrid; GBP 100,000 - 140,000; Full time

Job summary

A remote-first organization seeks an experienced Principal Kotlin Software/ Data Engineer to tackle complex engineering challenges in a high-impact team. The ideal candidate will possess strong Kotlin and Java skills, focusing on building data-intensive systems. This role is crucial for a tier one financial player, featuring significant responsibilities in ensuring system reliability and performance.

Qualifications

• Strong Kotlin or Java experience with a preference for Kotlin.
• Experience with large-scale data architectures and systems.
• Knowledge of distributed systems.

Responsibilities

• Design and build highly concurrent, data-intensive systems.
• Optimize distributed architectures for low latency and high throughput.
• Ensure reliability and performance under heavy load.

Skills

Kotlin

Java

Data Architectures

Distributed Systems

Relational Databases

Tools

Redis

Couchbase

Cassandra

Job description

Social network you want to login/join with:

Principal Kotlin Software/ Data Engineer, slough

col-narrow-left

Client:

Source Technology

Location:

slough, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

col-narrow-right

Job Views:

3

Posted:

31.05.2025

Expiry Date:

15.07.2025

col-wide

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 preferred).
• 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.