> Markdown version of [/jobs/ext/3594820-senior-java-developer](https://www.wearedevelopers.com/jobs/ext/3594820-senior-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** 26998296by Joining Citi - **Location:** Cookstown, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Customer Information Control System (CICS), COBOL (Programming Language), Continuous Integration, NoSQL, SQL Databases, Systems Architecture, Virtual Storage Access Methods, Working Model 2D, Event Driven Architecture, Apache Kafka - **Published:** October 6, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-java-developer/50574755 ## About the Role mechanisms, * Knowledge of resilient enterprise systems* Knowledge of mainframe development technologies (eg COBOL, CICS, VSAM* Experience with pub/sub infrastructure (eg Kafka) and sql/no-sql databases**Qualifications** * Bachelors/Masters degree in technology disciplines **What we can offer you** By joining Citi, 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 such as:* 27 days annual leave (plus bank holidays)* A discretional annual performance related bonus* Private Medical Care & Life Insurance* Employee Assistance Program* Pension Plan* Paid Parental Leave* Special discounts for employees, family, and friends* Access to an array of learning and development resources Visit our Global Benefits page to learn more. Alongside these benefits Citi is committed to ensuring our ## Description with data/event-driven design and implementation skills to implement our next generation Custody technology. This is a delivery-focused role, and includes elements of design, engineering, implementation and quality. **What you'll do** * Software Engineer to deliver end to end development* Work closely with wider stakeholders to deliver projects* Provide technical and functional expertise to the team* Work proactively & independently to address project requirements, and articulate issues/challenges with enough lead time to address project delivery risks* Contribute to design and system architectures.**What we'll need from you** * Strong event-driven architecture, design and development skills* Java experience with modern IoC frameworks* Experience working in mixed/virtual/diverse environments (small co-located team with a larger team in another location)* Understanding and passion for writing clean code Desirable:* Financial services experience* Experience with, CICD / agile delivery