Senior Java & Kotlin Engineer for Banking Data & Reporting

JUXT; Greater London; On-site; GBP 110,000 - 160,000; Full time

Benefits offered by this job

Health insurance

Job summary

JUXT is seeking a senior engineer to join the embedded team within Prime Brokerage. You will own data-intensive data pipelines and modernise systems delivering regulatory reports and client data feeds in Kotlin and Java.

You'll work on large-scale databases and messaging, transforming stored procedures into Kotlin services while ensuring performance and correctness in a regulated banking environment.

Qualifications

• Extensive Java and Kotlin experience in large-scale systems.
• Deep SQL Server database expertise and performance optimization.
• Hands-on with MongoDB document data models.
• Experience with Kafka or similar messaging systems.
• Building and consuming REST APIs and RPC services.
• Containerization and orchestration with OpenShift/Kubernetes.
• Strong observability with ELK, OpenTelemetry, Grafana or Prometheus.
• Automated integration testing and end-to-end testing.
• Experience in banking or regulatory reporting domains.
• Experience migrating large batch workloads to modern platforms.
• Familiarity with Starburst/Trino or Snowflake.
• Ability to modernise legacy systems incrementally.

Responsibilities

• Drive delivery of regulatory and client reporting work, where change is constant.
• Build data transformation pipelines between SQL Server, MongoDB, Kafka/EMS, and downstream consumers.
• Engage with upstream data providers and downstream SMEs to understand requirements.
• Modernise the stack by transforming large SQL Server procedures into Kotlin services.
• Dig into database performance and correctness; optimise reads for reports.
• Assist platform modernisation, e.g., migrating scheduling to Kubernetes/OpenShift.

Skills

Java & Kotlin

SQL Server

MongoDB

Kafka / EMS

REST APIs

Kubernetes / OpenShift

Observability

Automation testing

Banking domain

BigData cloud

Batch workloads

Legacy modernization

AI coding tools

Tools

Kafka

OpenShift

Prometheus

Grafana

ELK

Snowflake

Starburst/Trino

Job description

JUXT is seeking a senior engineer to join the embedded team within Prime Brokerage. You will own data-intensive data pipelines and modernise systems delivering regulatory reports and client data feeds in Kotlin and Java.

You'll work on large-scale databases and messaging, transforming stored procedures into Kotlin services while ensuring performance and correctness in a regulated banking environment.