CareerPlanSign in

Kotlin Engineer

Ukraine💼 Full-time🗓 2026-07-31 → 2026-09-26

Core

Design and develop backend functionality for the core payment processing services, ensuring high reliability and speed for card, Apple Pay, and Google Pay transactions.

Role type

Mid-to-Senior Backend Software Engineer (Kotlin)

Builds

High-load, low-latency microservices for payment orchestration and processing

Domain

Fintech / Payments Infrastructure

Deliverable

production ML models | product features

Required skills

Kotlin, Java, PostgreSQL, distributed systems design, cloud environments (AWS/GCP), AI tools

Preferred skills

Fintech experience, Observability (Prometheus, Grafana), Infrastructure as Code (Terraform), Event-driven systems (Kafka)

Technologies

Kotlin, Protobuf, Buf, Connect, PostgreSQL, Kafka, AWS/GCP, Terraform

Responsibilities

Design and develop backend functionality for payment products, collaborate on product decisions across the development lifecycle, improve system performance and scalability, maintain SLOs for critical payment paths

Seniority

Mid-level, hands-on IC

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.