**About the Role** We are looking for a highly skilled and hands-on Software Engineer to drive modern engineering practices and technology transformation within our teams. You will play a critical role in designing, developing, and maintaining scalable, high-quality software solutions while ensuring best-in-class engineering standards, including trunk-based development, test automation, security, and modern ways of working. This role requires deep expertise in system design, hands-on coding, and strong problem-solving skills to create resilient, high-performing, and secure applications. **Key Responsibilities** **Software Architect & System Design** • Design, develop, and maintain robust, scalable, and high-performance applications. • Implement trunk-based development practices to enable continuous integration and rapid delivery. • Develop clean, maintainable, and testable code following SOLID principles and software design best practices. • Ensure high levels of unit test coverage, test-driven development (TDD), and behavior-driven development (BDD). • Actively contribute to hands-on coding, code reviews, and refactoring to maintain high engineering standards. • Lead the design and architecture of complex software systems using Domain-Driven Design (DDD) principles. • Collaborate with business stakeholders, domain experts, and engineering teams to model real-world business problems into software solutions. • Implement strategic DDD patterns, such as anti-corruption layers, context maps, and event-driven architectures. • Work closely with product and engineering teams to ensure scalable and maintainable system design. • Define technical governance and best practices for domain modeling and software architecture. **Engineering Excellence & Best Practices** • Drive the adoption of modern engineering ways of working, including Agile, DevOps, and CI/CD. • Advocate for automated testing, infrastructure as code, and continuous monitoring to enhance software reliability. • Apply Behavior-Driven Development (BDD), Test-Driven Development (TDD), and unit testing to ensure code quality and functionality. • Conduct thorough code reviews, ensuring adherence to best practices in readability, performance, and security. • Implement and enforce secure coding practices, performing vulnerability assessments and ensuring compliance with security standards. • Collaborate effectively in agile environments, embracing DevOps principles and fostering a culture of continuous delivery and improvement. **Technical Leadership & Collaboration** • Partner with architects, product owners, and cross-functional teams to design scalable and distributed systems. • Mentor junior engineers and foster a culture of engineering excellence and continuous learning. • Collaborate closely with DevOps teams to optimize deployments, observability, and production resilience. • Lead technical discussions, contribute to design documentation, and provide guidance on modern software architectures **Skills and Qualifications** • Strong hands-on experience in coding (Java, Python, or any modern programming language). • 12-15 years of relevant experience in Apps Development or systems analysis role • Deep expertise in system design and microservices architecture. • Experience with trunk-based development, feature flags, and progressive delivery strategies. • Proficiency in TDD, BDD, and automation-first mindset to ensure high test coverage and reliability. • Strong understanding of CI/CD pipelines, and DevOps practices. • Experience conducting code reviews, vulnerability assessments, and secure coding. • Familiarity with modern cloud-native technologies (AWS, Kubernetes, Docker). • Excellent problem-solving skills and ability to work in fast-paced, agile environments. • Strong communication and collaboration skills. • Experience with event-driven architecture and distributed systems. • Knowledge of performance tuning, observability, and production monitoring. • Familiarity with Agile frameworks and modern ways of working in product development ------------------------------------------------------ **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._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.