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Mid‑level Java Engineer role in ING Hubs Romania, building a real‑time payments platform.
Hybrid remote work; focus on RTPE, ISO 20022, Kafka, and modern Java (17/21) in a production environment.
Discover ING Hubs Romania
ING Hubs Romania offers 130 services in software development, data management, non-financial risk & compliance, audit, and retail operations to 24 ING units worldwide, with the help of over 2000 high-performing engineers, risk, and operations professionals.
We started out in 2015 as ING’s software development hub, then steadily expanded our range to include more services and competencies. Now we provide borderless services with bank-wide capabilities and operate from two locations: Bucharest and Cluj-Napoca .
Our tech capabilities remain the core of our business , with more than 1800 colleagues active in Data and Analytics Tech, Tech Foundation and Channels, Retail Core Banking and Architecture , and Global Products and Technology Services .
The Mission
Payments & Settlement Services – Real‑Time Payments Engine (RTPE)
RTPE is a mission‑critical, real‑time payments platform processing high‑volume, low‑latency transactions across ING. It plays a central role in SEPA, instant payments, and ISO 20022 message processing, ensuring availability, resilience, and correctness under strict regulatory and operational constraints.
RTPE operates in a 24/7 production environment , handling millions of messages, integrating with multiple upstream and downstream systems, and supporting continuous modernization (e.g. migration from legacy integrations to Java‑based listeners and modern event‑driven architectures).
Your day to day
Even if you’ll start your day from the comfort of your home or drink your morning coffee in our office’s garden, your day will be quite similar when comes to tasks. Here are your daily responsibilities:
Being an Engineer, work on user stories that have been broke down from features.
Design, develop, and maintain Java‑based real‑time processing components
Implement and maintain message driven integrations (MQ, Kafka, APIs)
Work with ISO 20022 payment messages (e.g. pacs.008, pacs.002, camt messages)
Ensure end‑to‑end ownership of user stories: analysis, development, testing, release, and production support
Participate in incident analysis, root cause investigations, and production improvements
Collaborate closely with SRE, product owners, and other global engineering teams
Contribute to non‑functional requirements : performance, resilience, scalability, security
Ensure compliance with ING IT Risk, audit, and security requirements
Participate in Scrum ceremonies (stand‑ups, refinements, reviews, retrospectives)
Demo delivered functionality to stakeholders when required
What you’ll bring to the team
Experience :
5+ years of experience of java development (Java 17 and Java 21)
Understanding/work exposure to Kafka
Experience/Knowledge of various Java Frameworks – Spring, Spring Boot
Experience working on CI/CD tools - any would do, we are going to use AzDO.
Some experience with XML, XSL, XSD
Experience working with TDD and BDD
Analysis Skills
Good communication skills with an appetite to receive feedback whether it is positive or used for improvements.
Experience in SCRUM with a strong preference for the agile way of working.
Nice to have:
Experience/Knowledge of various Java Frameworks.
Knowledge of ISO 20022 standards.
Some project experience in financial market group treasury.
Exposure to observability tools (Prometheus, Grafana, logging/alerting)
Foreign languages: English (advanced)
Education : nice to have bachelor’s degree (or higher) in an IT related field
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