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Lead Full Stack Engineer, Exception Management and Workflow Platform
Citibank, N.A. United Kingdom
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 11/4/2026
About this role
As a Lead Full Stack Engineer, you will design and build the exception management, workflow orchestration, and governance platform that keeps case resolution running smoothly across Citi's enterprise systems. You will architect scalable microservices and intuitive user interfaces, and translate complex business requirements into secure, high-performing software. This role combines hands-on engineering with technical leadership, giving you ownership over how exceptions, approvals, and entitlements are managed at enterprise scale. Responsibilities * Architect and build scalable microservices and REST APIs in Java and Spring Boot that power enterprise-wide exception and case management. * Design exception and case management workflows, covering intake, validation, case creation, allocation, and resolution tracking. * Develop workflow orchestration using tools such as Camunda or Flowable to enable dynamic routing, task assignment, escalations, and SLA management. * Build configurable maker-checker approval frameworks that enforce multi-level approvals, segregation of duties, and delegation policies. * Implement entitlement and governance controls, including role- and attribute-based access, fine-grained UI permissions, and full audit trails. * Design event-driven integrations with Kafka to support asynchronous processing, real-time notifications, and ServiceNow connectivity. * Build high-volume React and TypeScript interfaces, including dashboards and task inboxes, that give users clear visibility into their work. Required Qualifications & Skills * 6+ years of experience in applications development, and managing complex technical projects within financial services or a similarly regulated industry. * Hands-on proficiency in Java and Spring Boot, with a track record of architecting secure, scalable microservices, REST APIs and shared platform services consumed across multiple enterprise applications. * Experience with workflow orchestration engines such as Camunda, Flowable, or other BPMN-based tools, including dynamic routing, task assignment, escalations and SLA management. * Experience designing maker-checker approval frameworks, segregation of duties, entitlement models such as RBAC or ABAC, and audit trail capabilities. * Event-Driven Architecture: Strong Kafka experience for asynchronous processing, event-based workflows, notifications and ServiceNow integration. * Proficiency in React and TypeScript for building complex, high-volume enterprise user interfaces. * Strong communication and stakeholder management skills, with a bachelor's degree or equivalent experience. * Platform Architecture & Scalability: Proven ability to design secure, resilient, high-performance shared services consumed by multiple enterprise applications. Beneficial Skills & Qualifications * Master's degree in computer science, engineering, or a related field. What We Offer Joining Citi's Applications Development team means working on technology that is central to how the bank manages risk, governance, and operational resilience, while building your career within a global organization. * Work in a hybrid model with 3 days in the office and 2 days working remotely each week. * Lead and grow a team of engineers while deepening your own expertise in modern, event-driven architecture. * Access ongoing learning and development programs to build new technical and leadership capabilities. * Benefit from competitive compensation and resources that support your financial wellbeing. * Collaborate with colleagues and technology teams across Citi's global network on platforms used enterprise-wide. Apply today to lead the team building Citi's next-generation exception management and workflow governance platform. 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](https://www.citigroup.com/citi/accessibility/application-accessibility.htm).* *View Citi’s [EEO Policy Statement](https://www.citigroup.com/global/eeo-aa-policy) and the [Know Your Rights](https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) poster.*