Full Stack Software Engineer Analyst

We 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. Responsibilities: 1. Application Design & Full Stack Engineering Architect, 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. 2. Quality Assurance & Test Automation Drive 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. 3. Security & Defensive Engineering Practice 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. 4. Observability, Debugging & Operational Support Utilize 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. 5. Collaboration & Team Culture Collaborate 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-oriented Experience in running high traffic, distributed, cloud based services Experience in affecting large culture change Experience leading infrastructure programs Skilled at working with third party service providers Excellent written and oral communication skills Education: Bachelor’s/University degree or equivalent experience Additional Preferred Qualifications Experience 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: Technology ------------------------------------------------------ Job Family: Digital Software Engineering ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location: Irving Texas United States ------------------------------------------------------ Primary Location Full Time Salary Range: $84,580.00 - $118,020.00 In 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. ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Anticipated Posting Close Date: Oct 12, 2026 ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents – AI Notice and Right ------------------------------------------------------ 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 . View Citi’s EEO Policy Statement and the Know Your Rights poster.