We are seeking a highly motivated and experiencedJava Senior Applications Developerto 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 systemsSolid programming knowledge in Java and Spring boot.In-depth working experience in configuring/maintaining the CI/CD pipelineShell/Unix scripting with Python skillsTroubleshooting the Java/micro services based applicationHands-on experience in middleware's like Kafka or MQ and hands on experience in schemeless db's like Mongo or equivalentStrong in handling the Production Failover and fallback activitiesExpertise in automation of Iaas, PaaS, SaaSShould have an hands on experience either on AWS or Azure or GCP or equivalent cloudsBasic experience in handling Generative AI, predictive analysis tools is also welcomeStrong hands on experience in Monitoring and Observability tools, and creating & maintaining the staging & prod environmentsKnowledge in containerized tools Docker, Kubernetes, OpenshiftEnsures 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.Job Family Group:TechnologyJob Family:Applications DevelopmentTime Type:Full timeMost Relevant SkillsPlease see the requirements listed above.Other Relevant SkillsFor 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 reviewAccessibility at Citi.View Citi's EEO Policy Statement and the Know Your Rights poster.