Kotlin/Java Developer

Hydrogen Group ·www.hydrogengroup.com

Location London, London, England
Work type Remote
Salary GBP 550 - 700 / month
Type Full time
Level Mid
Source Shazamme
Technology
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Senior Software Engineer – Kotlin / Java (Financial Services)

We’re supporting a major financial services programme that is scaling rapidly and looking to add several experienced backend engineers to the team.

We’re looking for strong Software Engineers with proven experience building scalable systems within regulated financial services environments.


Strong commercial experience with:

Kotlin

Java

Experience building scalable backend systems and microservices

Strong understanding of distributed systems and event-driven architecture

Previous experience working within Financial Services environments

Experience working within Agile engineering teams

Strong API and integration development experience


Desirable Experience

Payments / payment gateway experience

Banking or fintech platforms

Kafka or messaging systems

AWS / Kubernetes / cloud-native environments

High-volume transactional systems

Settlement, reconciliation or transaction processing exposure


Tech Stack

Java

Kotlin

Spring Boot

Kafka

Microservices

AWS / Kubernetes

REST APIs




Additional Details

London-based

Hybrid working (2–3 days onsite)

Inside IR35

Strong communication and stakeholder engagement skills preferred



We’re particularly interested in engineers who are comfortable working on complex, enterprise-scale systems within highly regulated environments.

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Frequently asked questions

Who is hiring for the Kotlin/Java Developer role?
Hydrogen Group is hiring for the Kotlin/Java Developer position, a Shazamme client. Apply directly on the employer's career site.
Where is the Kotlin/Java Developer job located?
The Kotlin/Java Developer role with Hydrogen Group is based in London, GB. The role is remote-friendly.
Is the Kotlin/Java Developer role remote?
Yes — the Kotlin/Java Developer position at Hydrogen Group is remote. Candidates based in GB are preferred.
What does the Kotlin/Java Developer role pay?
Hydrogen Group lists the Kotlin/Java Developer role at GBP 550–700 per month.
Is the Kotlin/Java Developer role full-time or contract?
This is a full time position at Hydrogen Group.
What experience level is the Kotlin/Java Developer role?
The Kotlin/Java Developer position is aimed at mid-level candidates.
How do I apply for the Kotlin/Java Developer role at Hydrogen Group?
Apply directly on Hydrogen Group's career page via the Apply button on this listing. ZammeJobs links straight through to the employer's ATS — no third-party form, no resume database.
Apply direct