Citi is embarking on a multi-year technology initiative in our Wholesale Lending Credit Risk (WLCR) space of Institutional Clients Group(ICG). We are building the brand new Helios platform, which supports various Messaging, API, and Workflow Components for Loans Services across the bank. Helios platform is being built from the scratch using latest technologies, including Messaging, APIs, Workflow, Relational and No-SQL DB Solutions, Containers, Microservices, and Vendor Loan Processing Platforms, and integration with Peer and Legacy Systems using Enterprise Application Integration Patterns. We work in a Hybrid-Agile customized SDLC environment.

Responsibilities:

• Write good and well-tested code in Java
• Daily Coding as an Individual Contributor
• SOA API middleware implementation (both REST and SOAP)
• MOM Messaging middleware implementation
• Workflow Integration
• Writing High Performance Parallel Processing using Multi-Threading and Multi-Processing
• Writing Unit Tests and participating in dev testing throughout the SDLC (SIT, UAT, etc)
• Dev, SIT and UAT environments support (mostly automation using Jenkins/Tekton CI, Harness/Udeploy CD)
• Evaluate and adopt new dev tools, libraries, and approaches to improve delivery quality
• Perform peer code review of project codebase changes
• Write user/supporter documentation

• Serve as an advisor or coach to mid-level developers and analysts

Skills Required:

• At least 10 years of experience in software development
• At least 10 years of experience as a Java developer
• Java concurrency (practical experience and good knowledge)
• Experience in developing Microservices and Distributed Systems
• Experience in writing both REST and SOAP Web Services.
• Expert Knowledge of: Threading, Collections, Exception Handling, JDBC, Java OOD/OOP Concepts, GoF Design Patterns, MoM and SOA Design Patterns, File I/O, and parsing XML and JSON, delimited files and fixed length files, String matching, parsing, building, working with binary data / byte arrays.
• Good Knowledge of Spring including Spring Framework, Spring Boot, Spring Security, Spring Web, Spring Data
• Good knowledge of SQL (Oracle dialect is preferable), Entity Relationships
• Good knowledge of JAXB / XML, UML and JSON

• Good knowledge of Maven/Gradle, Postman/SOAP UI

• Up-to-date overview of modern software development tools and techniques

Nice to have experience:

• Messaging Systems: RabbitMQ, ActiveMQ, Kafka, Tibco. IBM MQ, etc.
• Tomcat, Jetty, Apache HTTPD
• Linux Ecosystem, OpenShift Container Platform, Kubernetes, Docker, Helm Charts, GraphQL
• Able to work with build/configure/deploy automation tools
• API Management tools: IBM API Connect, Apigee, etc.
• APM Tools: Dynatrace, AppDynamics, New Relic etc.
• Log Analysis Tools: Splunk, Elastic Stack (ELK), etc.
• Caching Technologies: Redis, Hazelcast, MemCached, Gemfire, etc.
• DB schema changes deployment tools: Liquibase, Flyway etc.
• Java Performance Testing tools: Apache JMeter, Locust
• Python, other scripting tools
• Autosys Job scheduler

Skills Required:

• Bachelor's degree/University degree or equivalent experience
• Master's degree preferred

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Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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