Full Stack Software Engineer Analyst

Full Stack Software Engineer AnalystWe are seeking a talented, detail-oriented Full Stack Software Engineer Analyst to design, build, test, and maintain mission-critical, customer-facing web and mobile applications. In this role, you will be instrumental in delivering scalable, resilient microservices architectures powered by Java Spring Boot, coupled with dynamic, responsive user experiences built with modern front-end frameworks (Angular or React).Quality engineering and security are central to our development lifecycle. In addition to core feature engineering, you will actively participate in end-to-end quality assurance by creating automated test suites, developing robust test scripts, and performing hands-on functional and regression testing. If you are passionate about building secure, reliable customer experiences and thrive in a collaborative, positive-sum engineering team, we encourage you to apply.ResponsibilitiesArchitect, implement, and maintain responsive, high-performance customer-facing web and mobile applications.Develop clean, modular, and reusable front-end components using Angular or React along with modern CSS/HTML frameworks.Build resilient, scalable, and loosely-coupled backend services using Java and SpringBoot microservices.Design, build, and maintain robust RESTful APIs, asynchronous event streams, and database integrations.Quality Assurance & Test AutomationDrive quality engineering by authoring and maintaining automated unit, integration, and end-to-end (E2E) test scripts.Develop comprehensive test automation frameworks using tools such as Selenium, Playwright, JUnit, Mockito, or Jest.Perform actual hands-on functional, regression, API, and performance testing across staging and production-like environments.Partner with Quality Assurance (QA) and DevOps teams to integrate automated test suites directly into CI/CD release pipelines.Security & Defensive EngineeringPractice secure and defensive coding by default across all layers of the architecture.Proactively identify, prevent, and remediate security vulnerabilities (e.g., OWASP Top 10, CWEs, injection vectors, broken access controls).Implement enterprise-grade authentication/authorization (OAuth2, OIDC, JWT), data sanitization, and secure communication protocols.Observability, Debugging & Operational SupportUtilize Splunk, distributed tracing, and APM tools to monitor system health, analyze performance bottlenecks, and rapidly troubleshoot production incidents.Support scheduled weekend production deployment windows and participate in rotational release validations.Conduct thorough post-deployment verifications, root cause analyses, and operational runbook enhancements.Collaboration & Team CultureCollaborate effectively with Product Owners, UX/UI Designers, QA Analysts, and Solutions Architects in an Agile/Scrum environment.Champion code reviews, mentoring, and technical knowledge sharing.Foster an inclusive, high-trust environment with a positive, solutions-oriented mindset.Qualifications:2-5 years in an Apps Development role. Demonstrated execution capabilities.Strong analytical and quantitative skills; Data driven and results-orientedExperience in running high traffic, distributed, cloud based servicesExperience in affecting large culture changeExperience leading infrastructure programsSkilled at working with third party service providersExcellent written and oral communication skillsEducation:Bachelor's/University degree or equivalent experienceAdditional Preferred QualificationsExperience with containerization and orchestration technologies (Docker, Kubernetes, OpenShift).Hands-on experience with modern CI/CD automation tools (e.g., GitLab CI, GitHub Actions, Jenkins, Harness, Tekton).Familiarity with cloud platforms (AWS, GCP, or Azure) and distributed messaging platforms (Apache Kafka, RabbitMQ).Experience developing hybrid or native mobile applications (e.g., React Native, Flutter, iOS/Android).Knowledge of Behavior-Driven Development (BDD) / Test-Driven Development (TDD) using Cucumber or similar frameworks.Job Family Group:TechnologyJob Family:Digital Software EngineeringTime Type:Full timePrimary Location:Irving Texas United StatesPrimary Location Full Time Salary Range:$84,580.00 - $118,020.00In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.Anticipated Posting Close Date:Oct 12, 2026Citi 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. View Citi's EEO Policy Statement and the Know Your Rights poster.