• Design, develop, enhance, and maintain EDI applications on IBM i (AS/400 / iSeries) platforms • Develop and optimize solutions using RPG, ILE RPG, CL, IFS and SQL • Perform system-level and structured programming following best practices for performance, stability, and maintainability • Integrate and maintain existing and new customers within the ISIS ERP system • Implement and support 3PL Distribution Center (DC) warehouse integrations • Ensure seamless EDI process integration across customers, partners, and logistics providers • Attend daily EDI project status meetings with project leadership to communicate priorities, progress, risks, and dependencies • Analyze requirements, create technical concepts, and translate business needs into robust technical solutions – search the collaboration with Intl. Delivery Manager to align Processes and Solutions. • Support production systems, troubleshooting, root cause analysis, and continuous improvement initiatives • Collaborate with international teams across IT, EDI, logistics, and business operations

• Design and build MCP (Model Context Protocol) skills and tools for the TC.Net agentic layer • Write production-quality agentic code using Anthropic Claude API, OpenAI, or equivalent LLM providers • Define the team's agentic coding standards — prompt architecture, tool-call design, context management, and evaluation patterns • Own LLM cost management: monitor token usage per feature, set cost budgets, choose the right model tier per use case, and enforce cost-aware development practices • Build and maintain prompt regression and eval suites to ensure quality gates on non-deterministic outputs • Establish guardrails for the agentic Control Layer (governance, approval flows, autonomous action policies) • Stay current with the MCP ecosystem, emerging agent frameworks (LangGraph, CrewAI, AutoGen), and LLM provider updates • Mentor engineers on agentic patterns — tool use, retrieval-augmented generation, multi-agent orchestration • Own sprint ceremonies — planning, review, retrospective, and daily standups • Run quarterly Program Increment (PI) planning, aligning all teams to roadmap milestones and surfacing cross-team dependencies • Track velocity, remove impediments, and escalate blockers to the engineering leadership team • Own the release train — gate what ships, when, and under what conditions • Define and enforce feature-flag strategy to enable safe parallel runs on the live TC.Net platform • Author and maintain rollback playbooks for every major release • Guarantee zero disruption to existing TC.Net customers throughout the modernization • Directly manage team leads and senior individual contributors; run regular 1:1s, set growth plans, lead performance review cycles • Participate in hiring panels — assess both technical bar and team culture fit • Review high-risk pull requests — scheduler refactors, canonical data model changes, authentication flows • Contribute to architecture decisions as a peer, not only as an approver • Debug production incidents directly; write occasional internal tooling to stay technically sharp

• Propose, review and take ownership of technical designs up to the functionality. • Contribute to the code review of its development team in a meaningful way with a visible impact. • Contribute to the resolution of technical debt within its development team. • Mentor developers 1 of your development team. • Implement User Stories and bug work autonomously. • Understand the SDLC best practices and design patterns. • Contribute to the Scrum ceremonies of your development team. • Provide support to operational teams for product issues raised in escalation.

Role Description Citizens Financial Group, Inc. (CFG) seeks a Principal Software Engineer for its Johnston, Rhode Island location. - Designs, modifies, develops, and implements technology solutions. - Builds modern, architecturally sound components, tools, and applications to meet mission-driven strategic business goals. - Participates in an environment rapidly transforming to the Agile methodology, adhering to best practices, and collaborating effectively with teammates. - Infuses quality of service characteristics, including scalability, manageability, and maintainability, into distributed service-based framework to create or expand business or technical capabilities. - Contributes insight when considering design specifications, considering the goals of the consumer-facing product. - Participates in code and design reviews to ensure that solutions meet the enterprise standards and best practices. - Collaborates with experience owners to deliver robust solutions that drive user experience and achieve the project goals. - Experiments with and learns new technologies, participating in internal and external technology communities, mentoring other members of engineering community. - Evaluates technical feasibility and potential project risks. Qualifications - Bachelor’s degree in Engineering, Information Systems, or related field. - 7 years of progressive experience in the role or in a related position. Requirements - Designing innovative solutions to complex technological challenges with a customer-focused mindset. - Implementing Mainframe modernization initiatives. - Conducting return on investment analysis and evaluating financial benefits and risks associated with modernization initiatives. - Conceiving and crafting core banking solutions for financial institutions. - Utilization of Microservices Architecture to facilitate the development of loosely coupled, independently deployable services, including related patterns CQRS, Event Sourcing, and Domain Driven Design (DDD) for building scalable and resilient systems. - Utilizing cloud platforms, including Next-gen technology transformation, using ROSA (Red Hat OpenShift Service on AWS) and AWS platforms to enable cloud compliant, secure, and highly available solutions. - Utilization of CI/CD tools, including Jenkins, GitHub, and Bitbucket to automate software delivery processes, ensuring rapid, reliable, and efficient deployments. - Utilizing container technologies, including Docker and container orchestration platforms including Kubernetes and Rancher, enabling efficient management of containerized applications. - Conducting specialized, stream processing and event-driven architectures using Kafka and Kafka-Streams, to facilitate real-time data processing and analytics. - Utilizing databases, including NOSQL databases like MongoDB, CouchDB, Cassandra, Amazon S3, and Postgres. - Utilization of advanced analytics and monitoring tools including Splunk, Dynatrace, ELK Stack, Jaeger, and Kibana to monitor, analyze, and troubleshoot application performance. - Implementing testing strategies including Behavior-Driven Development (BDD) and Contract Testing to ensure reliability and quality of software products. Benefits - May telecommute from any U.S. location. Equal Employment Opportunity Citizens, its parent, subsidiaries, and related companies (Citizens) provide equal employment and advancement opportunities to all colleagues and applicants for employment without regard to age, ancestry, color, citizenship, physical or mental disability, perceived disability or history or record of a disability, ethnicity, gender, gender identity or expression, genetic information, genetic characteristic, marital or domestic partner status, victim of domestic violence, family status/parenthood, medical condition, military or veteran status, national origin, pregnancy/childbirth/lactation, colleague’s or a dependent’s reproductive health decision making, race, religion, sex, sexual orientation, or any other category protected by federal, state and/or local laws. At Citizens, we are committed to fostering an inclusive culture that enables all colleagues to bring their best selves to work every day and everyone is expected to be treated with respect and professionalism. Employment decisions are based solely on merit, qualifications, performance, and capability. Job Applicant Data Privacy Policy Any offer of employment is conditioned upon the candidate successfully passing a background check, which may include initial credit, motor vehicle record, public record, prior employment verification, and criminal background checks. Results of the background check are individually reviewed based upon legal requirements imposed by our regulators and with consideration of the nature and gravity of the background history and the job offered. Any offer of employment will include further information.