Senior Java Cloud App Developer

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills of software development with flexibility and agility in a fast-evolving technological environment while interacting with clients, delivering results and taking ideas to production.

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

Team/Role Overview

XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs.

Our team owns multiple Java Spring Boot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment with resiliency to provide a seamless experience for clients. 

XiP Compute Services is a mature product and is deployed onto OpenShift and Amazon’s Elastic Kubernetes Service (EKS). An important initiative in 2025 will be onboarding Google’s Kubernetes Engine to further expand our coverage. Our system scales on-demand, and we can run up to tens of thousands of replicas of our services across all asset classes. 

What you’ll do:

The Senior Java Cloud App Developer will be responsible for leading a variety of engineering and infrastructure activities, including developing new features to our Java calculation services to be compatible with multiple public clouds, interfacing with the High-Performance Compute team to determine and challenge requirements/needs to use public cloud providers, and integrating our Java applications with these cloud providers to improve the scalability of the platform.

• Development of high-quality software, emphasizing simplicity, maintainability, testability, and reuse. 
• Identifying and implementing automation opportunities around testing, monitoring, deployment, and any other manual operations.
• Participation in code and design reviews, contribute to architectural standards, development best practices, and promoting adherence to these standards.
• Develop features on our Java Spring boot Services along with teammates.
• Collaborate with the Citi Tech and Infrastructure colleagues and 3rd party public cloud vendors such as AWS and Google Cloud while working closely with Citi Cloud Security team to ensure public cloud services undergo proper evaluations speedily, with business priorities upheld.
• Partner with multiple teams to ensure appropriate integration of functions to meet our business and technology goals and perform support tasks such as troubleshooting with clients and working with production support to triage production stability issues. 
• Identify and define necessary system enhancements to improve current processes and architecture. Appropriately assess risk when business decisions are made, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets. 

What we’ll need from you:

The overall objective of this role is to develop our Java services to be on native cloud services as soon as possible with specific focus on delivering robust technology solutions to XiP Clients.

• Expertise with Java based services in Public Cloud with minimum 8 years’
• Proven experience in developing and deploying enterprise level applications for container platforms, such as the public cloud Kubernetes services in Amazon Web Services / Google Cloud, or on-premises platform such as RedHat OpenShift.  
• Familiarity with Java, Spring and SpringBoot frameworks, Public Cloud Storage offerings such as AWS S3, FsX, DynamoDB/MongoDB, and Google Cloud Storage/Filestore solutions. 
• SME in Kubernetes related technologies such as Kubernetes cluster autoscaler, Karpenter and KEDA. In-depth knowledge in using tools such as Terraform, Helm, kubectl, Hashicorp vault. 
• Deep understanding of event-driven and streaming microservices. Extensive experinece using Kafka and Cloud-native messaging systems (AWS SQS/SNS or Google Pub/Sub or Equivalent) 
• Familiarity with asynchronous programming using promises/futures (e.g., CompletableFuture). Extensive experience with multi-threaded applications. 
• Working knowledge of SQL and NoSQL databases such as Oracle and MongoDB 
• Understanding of agile methodologies and experience using developer tools such as GitHub, Bitbucket, JIRA, Artifactory and Jenkins. Advocate for industry best practice, especially with regards to clean code, testing, continuous integration, and deployment. 

What we can offer you:

By joining Citi Solutions Center Poland, 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:

• Private Medical Care Program
• Life Insurance Program
• Pension Plan contribution (PPE Program)
• Employee Assistance Program
• Paid Parental Leave Program (maternity and paternity leave) 
• Sport Card
• Holidays Allowance
• Sport and team recreation activities
• Special offers and discounts for employees
• Access to an array of learning and development resources 
• A discretional annual performance related bonus
• A chance to make a difference with various affinity networks and charity initiatives

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.