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12 часов назад

Backend Engineer (PL/SQL)

Формат работы
hybrid
Тип работы
fulltime
Английский
b2
Страна
Serbia
Вакансия из списка Hirify.GlobalВакансия из Hirify Global, списка международных tech-компаний
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Описание вакансии

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TL;DR

Backend Engineer (PL/SQL/PostgreSQL): Building and improving backend systems for a global payments platform with an accent on payment flows, compliance processes, and fraud tooling. Focus on modernizing core services through the migration from Oracle to PostgreSQL and optimizing high-volume transactional processing.

Location: Hybrid (Belgrade, Serbia)

Company

A global digital payment network enabling instant cross-border money transfers in over 170 countries.

What you will do

  • Design and implement technical solutions for payment flows, compliance, and fraud scenarios.
  • Develop and maintain PL/pgSQL business logic, process workers, and migration scripts.
  • Optimize PostgreSQL data models and queries for high-volume financial operations.
  • Build integrations and external job handlers using Java, Kotlin, or C#.
  • Manage data-processing workflows for the migration from legacy Oracle platforms.
  • Ensure transactional correctness and system reliability across distributed microservices.

Requirements

  • Strong production experience with PL/pgSQL (core requirement).
  • Proficiency in Java, Kotlin, or C# for backend services.
  • Deep knowledge of PostgreSQL, including JSONB, partitioning, and query optimization.
  • Experience with distributed systems and microservices architectures.
  • Ability to write SQL-based tests and work with CI/CD pipelines.
  • Must be based in Belgrade, Serbia (Hybrid).

Nice to have

  • Experience in fintech, payments, or fraud prevention.
  • Knowledge of RabbitMQ, Kafka, or asynchronous messaging.
  • Experience with Docker and GitLab CI/CD.
  • Background in large-scale data migrations.

Culture & Benefits

  • Direct impact on millions of global users.
  • Internal mobility, mentoring, and continuous learning programs.
  • Collaborative environment within an international organization.
  • Competitive compensation and flexible work arrangements.

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