
Java Senior Applications Developer - Payments Domain
- Job Req Id:
- 25890621
- Location(s):
- Dublin, Leinster, Ireland
- Job Type:
- Hybrid
- Posted:
- Oct. 08, 2025
Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.
Job Overview
We are seeking a highly motivated and experienced Java Senior Applications Developer to join our team and play a key role in developing, enhancing & implementing our global payments platform. This role requires a strong techno functional background, experience with various payment schemes and messaging formats, and proven leadership skills. You will be responsible for providing technical leadership across multiple large-scale and complex software solutions, ensuring seamless integration with in-house and vendor solutions to create a comprehensive platform that meets key business needs.
Responsibilities:
Provide technical leadership for multiple large-scale/complex software solutions, extending the existing platform through custom development, customization, and integration with internal and vendor solutions.
Lead the implementation of a payments product processor across multiple countries, designing robust hardware and software solutions.
Design, code, test, document, and implement application releases as part of the development team.
Work extensively with various payments schemes (e.g., RTGS/ACH) and messaging formats (e.g., ISO 8583, ISO 20022, SWIFT).
Adhere to CBPR+ guidelines for cross-border payments.
Build enterprise-level transaction-based systems with a focus on recovery, stability, reliability, scalability, and performance.
Collaborate with Program Management and Quality Control teams to deliver high-quality software within project schedules.
Proactively communicate risks, bottlenecks, problems, issues, and concerns to the Development Project Manager.
Comply with Citi's System Development Lifecycle (SDLC) and Information Security requirements.
Qualifications you should have:
Several years of relevant experience in software development.
Basic understanding in Banking & payments systems
Solid programming knowledge in Java and Spring boot.
In-depth working experience in configuring/maintaining the CI/CD pipeline
Shell/Unix scripting with Python skills
Troubleshooting the Java/micro services based application
Hands-on experience in middleware's like Kafka or MQ and hands on experience in schemeless db's like Mongo or equivalent
Strong in handling the Production Failover and fallback activities
Expertise in automation of Iaas, PaaS, SaaS
Should have an hands on experience either on AWS or Azure or GCP or equivalent clouds
Basic experience in handling Generative AI, predictive analysis tools is also welcome
Strong hands on experience in Monitoring and Observability tools, and creating & maintaining the staging & prod environments
Knowledge in containerized tools Docker, Kubernetes, Openshift
Ensures system reliability, scalability and security across dev and prod environments.
Configuring/maintaining Observability tools like Grafana, Appd, Splunk, Kibana or equivalent tools.
Bachelor’s degree in Computer Science or a related field.
What we can offer you:
By joining Citi Dublin, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits that support you (and your family) to be well, live well and save well. Discover more here.
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.
Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities.
#LI-OD1
------------------------------------------------------
Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Development------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.

Global Benefits
Discover the top benefits offered to our global workforce, designed to support your well-being, growth and work-life balance. Explore a few of the highlights that make working with us rewarding.

Explore More Jobs
-
Wholesale Credit Risk– Public Sector – Assistant Vice President
- Mumbai, Maharashtra
-
Wealth Collateral Operations Analyst
- Belfast, Northern Ireland
-
VP - Non-Employee Staffing Office Onboarding Lead
- Mumbai, Maharashtra, Chennai, Tamil Nadu
-
Universal Banker - C04 - ROCKVILLE
- Rockville, Maryland
-
Early Careers Talent Network
Sign up to receive personalized job matches based on your skills and interests. We'll help you discover opportunities that align with your goals.
-
Career Professionals Talent Network
Sign up to receive tailored job matches based on your skills and experience. Discover opportunities that align with your ambitions.