At a Glance
- Tasks: Design and develop cutting-edge applications for a global financial services platform.
- Company: Join Citi, a leader in enterprise data management and technology.
- Benefits: Enjoy competitive pay, hybrid work options, and continuous learning opportunities.
- Other info: Collaborative environment with excellent career growth and mentorship opportunities.
- Why this job: Make a real impact on critical systems while working with innovative technologies.
- Qualifications: 5-8 years of software engineering experience, strong Python and Oracle skills required.
The predicted salary is between 63000 - 77000 £ per year.
Role Overview
Citi is seeking an experienced and driven Applications Development Senior Programmer Analyst (C12 / AVP) to join our Master Reference Data (MRD) technology organization.
In this role, you will be responsible for the design, development, testing and implementation of the Operating Model & Aritifical Intelligence (OMAI) Fusion application - a critical enterprise platform responsible for centralizing, mastering and distributing high-quality reference data across Citi’s global business lines.
As a Senior Programmer Analyst, you will leverage your expertise in Python and Oracle database technologies to build high-performance data processing pipelines, optimize complex database architectures and deliver resilient software solutions that support mission-critical enterprise operations.
Key Responsibilities
- Application & Pipeline
Development: Design, code, test and implement robust backend services, ETL data pipelines and batch/real-time processing components for the Fusion platform using Python.
- Database Architecture & Optimization: Architect, optimize and maintain complex Oracle databases; write, tune and maintain advanced SQL queries, stored procedures, PL/SQL packages, triggers and views to handle large volumes of reference data efficiently.
- Master
- Reference
- Data
Integration: Partner closely with business analysts, data stewards and upstream/downstream application teams to analyze reference data requirements and translate them into scalable technical implementations.
- System Performance & Scalability: Identify system bottlenecks, perform performance tuning across Python code and Oracle databases and implement partitioning, indexing and memory optimization strategies.
- Engineering Standards & Quality: Define and adhere to software development best practices, test-driven development (TDD), automated unit/integration testing and code review processes to maintain high code quality and reliability.
- CI/CD & Dev
Ops Collaboration: Work with modern CI/CD pipelines to support automated builds, deployments and environment configuration management.
- Production Support & Risk
Mitigation: Assist in tier-3 technical troubleshooting and root cause analysis for production incidents; ensure all implementations comply with Citi’s security, risk management and governance standards.
- Mentorship & Team Collaboration: Provide technical guidance and peer reviews to junior developers, actively participating in Agile/Scrum ceremonies and sprint planning.
- Required Qualifications & Skills
- Experience: 5–8 years of professional experience in software engineering and application development, with a proven track record of delivering enterprise-scale systems into production.
- Python Expertise: Strong hands‑on proficiency in Python (3. x) for enterprise application development, data manipulation, object-oriented design and automated testing.
- Oracle & SQL Mastery: Advanced proficiency with Oracle Database (12c/19c+), including complex SQL query design, PL/SQL programming, schema design, index optimization, query execution plan analysis and database performance tuning.
- Data Modeling & ETL: Strong understanding of relational data modeling, Master Data Management (MDM) concepts, data normalization/denormalization and large-scale data ingestion and transformation pipelines.
- Development
Practices: Practical experience with version control systems (Git), continuous integration/continuous deployment (CI/CD) pipelines and automated testing frameworks (e. g., pytest, unittest).
- Problem Solving & Communication: Excellent analytical, troubleshooting and problem‑solving skills, with the ability to communicate technical concepts clearly to both technical peers and business stakeholders.
- Education: Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field; or equivalent relevant work experience.
- Beneficial Skills & Qualifications
- Experience working within Financial Services, specifically with Master Reference Data, market data, instrument/counterparty reference data, or regulatory reporting systems.
- Experience with Python web frameworks and API design (Fast API, Flask, or Django) for building internal data services and RESTful APIs.
- Familiarity with enterprise workload scheduling tools (e. g., Autosys, Airflow, Control-M) and enterprise messaging systems (e. g., Apache Kafka, IBM MQ).
- Familiarity with containerization technologies (Docker, Open Shift, Kubernetes) and cloud infrastructure concepts.
- Experience in Linux/Unix shell scripting and automated deployment automation.
What We Offer
At Citi, you will work at the core of enterprise data management and financial services technology, contributing to critical platforms that operate at genuine global scale.
This is an opportunity to take technical ownership, develop domain expertise in reference data systems and make a measurable impact within a collaborative, performance-focused engineering environment.
- Hybrid Working Arrangement: Hybrid model with 3 days in the office and 2 days working remotely, offering flexibility while staying connected with your team.
- Continuous Learning & Growth: Access to comprehensive technical training, certifications and career development programs.
- Enterprise Impact: The opportunity to build and scale core reference data solutions that underpin trading, risk, compliance and reporting across global Citi franchises.
- Comprehensive Wellbeing & Compensation: Competitive financial compensation and benefits packages designed for experienced technology professionals, along with global wellness resources.
- 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.
View Citi's EEO Policy Statement and the Know Your Rights poster.
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Senior Software Engineer, Reference Data Platform (Python/Oracle) - AVP employer: Citi Group
Citi Belfast is an exceptional employer, offering a dynamic work environment that fosters collaboration and innovation in the financial sector. With a strong focus on employee growth, you will have opportunities to mentor junior staff while driving impactful governance and risk management initiatives. The hybrid work model and competitive benefits package further enhance the appeal of working in this vibrant location, making it a rewarding place for professionals seeking meaningful careers.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer, Reference Data Platform (Python/Oracle) - AVP
✨Join Local Tech Meetups
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✨Contribute to Open Source Projects
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✨Tap into Online Developer Communities
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We think you need these skills to ace Senior Software Engineer, Reference Data Platform (Python/Oracle) - AVP
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Citi Group.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Citi Group and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Citi Group
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Citi Group uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
