Senior Java Engineer (Payments)

Location: Bucharest, Romania — Dacia One

Company

hirify.global Romania provides software development, data management, risk and compliance, audit, and retail operations services to ING units worldwide from Bucharest.

What you will do

• Design, develop, test, deliver, and maintain Java Spring Boot microservices and robust APIs for the Order Manager as a Platform.
• Create, route, warehouse, and track payment orders throughout their lifecycle, including instant payment processing and external API exposure.
• Integrate services with Kafka, Elastic, Cassandra, and other distributed-system components.
• Collaborate with Operations engineers on API integrations, deployment automation, monitoring, and alerting with Prometheus.
• Work in two-week Agile Scrum sprints and deliver working software to production through continuous delivery.
• Provide functional and technical support for the application and coordinate complex functionality in production.

Requirements

• Proven experience with Java 17+ and Spring Boot microservices in distributed environments.
• Hands-on expertise with Kafka, Docker, OpenShift, Azure DevOps, Cassandra, and the ELK stack.
• Strong experience designing and maintaining RESTful APIs, domain models, validation flows, and integration contracts.
• Knowledge of architecture topics including service boundaries, data models, event-driven communication, and performance.
• Experience with code reviews, engineering standards, mentoring, estimation, sprint planning, unit testing, and integration testing with JUnit and Karate Framework.
• Excellent communication skills in English, plus the ability to investigate production issues and maintain technical documentation.

Culture & Benefits

• Work in a collaborative environment with fair and constructive feedback.
• Follow an Agile Scrum process with iterative development and regular stakeholder milestone reviews.
• Use a DevOps-oriented approach with automated deployment, functional testing, and technical testing.
• Deliver software to production every two weeks and use regular feedback loops to improve customer impact.