The Full stack Engineer is a seasoned professional role. Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flow for the area or function. Integrates subject matter and industry expertise within a defined area. Requires in-depth understanding of how areas collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the function and overall business. Evaluates moderately complex and variable issues with substantial potential impact, where development of an approach/taking of an action involves weighing various alternatives and balancing potentially conflicting situations using multiple sources of information.Requires good analytical skills in order to filter, prioritize and validate potentially complex and dynamic material from multiple sources. Strong communication and diplomacy skills are required. Regularly assumes informal/formal leadership role within teams. Involved in coaching and training of new recruits Significant impact in terms of project size, geography, etc. by influencing decisions through advice, counsel and/or facilitating services to others in area of specialization. Work and performance of all teams in the area are directly affected by the performance of the individual. Responsibilities:<ul><li>Accountable for executing and driving mid-size feature application design and development efforts to completion, serving as a development lead on medium-scale projects and supporting the execution of larger efforts.</li><li>Proficient at operating with considerable autonomy and discretion as you will significantly influence the way an application is designed and developed by providing subject specific expertise and an advanced level of understanding of application programming principles.</li><li>Sought after due to ability to analyze and troubleshoot coding, application performance and design challenges.</li><li>Capable of research in root cause of development and performance concerns as well as the resolution of defects.</li><li>Have a deep understanding of the technical requirements for the solutions being built.</li><li>Understand engineering needs including those required to build, maintain, and operate the system through all phases of its life.</li><li>Proficient in information modeling, data structures and algorithms.</li><li>Understand maintenance characteristics, runtime properties and dependencies that exist in support of your system’s software. These dependencies will include but not limited to: hardware, platform, operating system, performance and load requirements, as well as contingencies with upstream and downstream systems.</li><li>Demonstrate an advanced understanding of supported main system flows and possess a comprehensive understanding of how the system and others (i.e. architecture or infrastructure) collectively integrate to contribute towards achieving business objectives. Using this expertise, assist with the development of standards for coding, testing, debugging and implementation. This will ensure application design adheres to the overall architecture blueprint.</li><li>Participate in design discussions as a Development Lead and as such will play the part of a key decision maker in driving design decisions. This is evidenced by your knowledge of the application code details and your experience with the technology and teams engaged.</li><li>Work with limited guidance, seeking guidance only as needed as the development and delivery strategy is defined; the design is not.</li><li>Exhibit the ability to turn complex application design into a well written application.</li><li>Partner with industry vendors that provide technology or user experience design components that support our Digital architecture and work with vendors on our implementation plans and roadmaps identifying partnership opportunities to increase our development velocity and our learnings.</li><li>Participates in the full development life cycle, identify dependencies between agile and waterfall delivery, working within broadly defined parameters, including test plan execution and software quality needs</li><li>Directly impact the business by influencing strategic functional decisions through advice, counsel or provided services. This will require persuading and influencing others through strong and comprehensive communication and diplomacy skills.</li><li>Communicate progress, anticipate bottlenecks, provide escalation management, identify, assess, track and mitigate issues/risks at multiple levels.</li><li>Recognize discordant views and take part in constructive dialog to resolve them.</li><li>Work across teams to optimize processes.</li><li>Regularly review metrics and proactively seek out new and improved mechanisms for visibility ensuring your program stays aligned with organization objectives.</li><li>Continuously assess development processes, test plans, and operations.</li><li>Work with teams to improve concurrent project delivery.</li><li>Streamline and / or eliminate excess process in any area of architecture, build, delivery, production operations environment, or business area where the same efforts (or issues) are repeated year-over-year.</li><li>Share knowledge with the team in various forums (brown bags, engineering forums etc.) and demonstrate a higher level of knowledge through industry certifications</li><li>Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firms reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.</li></ul>Qualifications:<ul><li>5-8 years as a Full Stack Engineer</li><li>Strong understanding of Python web frameworks such as Django, Flask, or FastAPI.</li><li>Expertise in building RESTful APIs and microservices architecture.</li><li>Proficiency in working with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB).</li><li>Experience in caching-based solution using cache such as Redis/Gemfire.</li><li>Experience with cloud platforms such as AWS, Azure, or Google Cloud.</li><li>Solid understanding of software design patterns, algorithms, and data structures.</li><li>Hands-on experience with containerization tools like Docker and orchestration tools like Kubernetes.</li><li>Familiarity with CI/CD pipelines and version control systems (e.g., Git).</li><li>Strong debugging and problem-solving skills.</li><li>Excellent communication and collaboration skills</li><li>Strong analytical and quantitative skills; Data driven and results-oriented</li><li>Experience delivering with an agile methodology</li><li>Experience in affecting large culture change</li><li>Experience leading infrastructure programs</li><li>Skilled at working with third party service providers</li></ul>Added Skills (Good to Have):<ul><li>Experience in Java based web development using SpringBoot framework.</li><li>Knowledge on various Spring modules such as, and not limited to, Data, Web, ORM, Cloud, AOP, Batch.</li><li>Strong understanding of unit test case development using Junit, Mockito.</li><li>Experience in building Generative AI based solutions in Python.</li><li>Knowledge on Prompt Engineering, various techniques to build prompts.</li><li>Familiarity with Vector stores such as FAISS, PgVector, Pinecone.</li><li>Exposure to AI-ML frameworks (e.g., LangChain, TensorFlow, PyTorch).</li><li>Excellent written and oral communication skills</li></ul>Education:<ul><li>Bachelor’s/University degree or equivalent experience</li></ul><ul></ul>------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location:Irving Texas United States------------------------------------------------------Primary Location Full Time Salary Range:$107,120.00 - $160,680.00 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 &amp; 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:Aug 20, 2025------------------------------------------------------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 <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.