Java developer Messenger

Middle–Senior On-site Almaty, Kazakhstan $1,900+/mo Full-time Posted 3 months ago

Skills & stack

Languages

Kotlin

Frameworks

Spring

Tools & Infra

Kafka Redis

Skills

Oracle

About the role

Java developer Messenger at Kaspi.kz is a Middle to Senior backend position based in the Almaty, Kazakhstan office. Messenger handles customer notifications through push messages and SMS, with work spanning service availability during technical failures and new business features.

Work format

This is a full-time, office-based position.

Skills and tools

Kotlin
coroutines
Oracle
SQL Server
JDBI
REST
JMS
Kafka
Redis
Prometheus
ELK
Spring Core
Netty
Jersey

What to prepare

Prepare a Kotlin code sample that demonstrates your use of coroutines.
Outline a Kafka integration you have worked on, including the technical decisions you made.
Prepare a walkthrough of diagnosing a service performance issue using Prometheus or ELK.

Responsibilities

Build new services and maintain existing services.
Improve performance and fault tolerance across existing functionality.
Make technical decisions and propose service optimization improvements.
Address business problems through product development work.
Coordinate with stakeholders and collaborate with teammates.

Requirements

Experience using Kotlin and coroutines for backend development.
Working knowledge of Oracle and SQL Server databases.
Experience with integrations using REST, JMS and Kafka.
Skills in Redis caching and monitoring with Prometheus and ELK.
Familiarity with Spring Core and the Netty and Jersey frameworks.

Nice to have

Experience working with services that handle high loads.
Strong database knowledge and skills in multithreaded programming.
Experience configuring monitoring and understanding how it works.

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Kaspi.kz

Product

Almaty-headquartered fintech and e-commerce super-app listed on Nasdaq and the London Stock Exchange, providing payments, marketplace and banking services across Kazakhstan and the region.

Location: Almaty, Kazakhstan
Team size: 5000+
Remote policy: Hybrid

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