Fixed Income (FI) is the primary source of capital for corporations, governments, and nonprofits, providing liquidity and innovative solutions globally across the credit, municipal, and securitized markets. FI’s activities include origination, structuring, investing, lending, and market making and it offers a variety of products including, but not limited to, corporate bonds, emerging markets bonds, asset backed securities, mortgage backed securities, collateralized loan obligations (CLOs), municipal securities, agency securities, short term interest rate products, loans, letters of credit, and derivative instruments.
The Fixed Income Data Platform Team is the backbone of Fixed Income's mission, providing the low latency, high concurrency, scalability, and availability needed to power our groundbreaking solutions. Our Data Platform Engineering team operates at the cutting edge, researching, adapting, and deploying the latest open-source data platforms to meet Citi's unique needs. We're a collaborative group that thrives on technical challenges and the satisfaction of building highly performant systems.
We're seeking a passionate, highly skilled, and versatile Senior Polyglot Engineer to join our talented team. This individual will be instrumental in designing, building, and maintaining Citi's next-generation data platform, specifically focusing on complex streaming solutions, robust data pipeline architectures, and scalable microservices, targeted for quantitative scientists and traders to quickly iterate on and deploy analytical and trading tools. We value engineers who can seamlessly navigate and contribute across diverse technology stacks.
Responsibilities:
- Analyzes complex system requirements, including identifying program interactions and appropriate interfaces between impacted components and sub-systems within microservices architectures and distributed data pipelines.
- Participate actively in Sprint Planning, Tasking, and Estimation of assigned work for the platform, demonstrating a clear understanding of cross-stack dependencies.
- Contribute to component and service design for analytical and streaming services, considering scalability and performance across varied technologies.
- Work on bug resolution and application improvements, with a strong focus on performance, maintainability, and code quality in streaming and microservices environments.
- Contribute to the strategic planning, setup, and maintenance of Flink and Redis infrastructure, including evaluating new streaming frameworks and caching solutions.
- Flexibly contribute across the full stack, adapting to diverse programming languages and frameworks as project needs evolve.
- May occasionally work a non-standard shift including nights and/or weekends and/or have on-call responsibilities.
- Stay abreast with new trends in open-source tooling and champion innovative solutions that could help improve the efficiency of the Fixed Income platform community.
- Work closely with business stakeholders to help them leverage platform capabilities and develop efficient analytical tools.
- Continuously seek to automate manual touchpoints in the technology delivery pipeline.
Recommended Qualifications:
- 4+ years of demonstrable and relevant experience in software development, with a strong emphasis on designing and implementing Microservices and complex streaming/data pipeline architectures.
- Proven proficiency in at least two of the following core languages/frameworks: Java (strong focus), Python, Angular, React.
- Deep expertise and hands-on experience with Apache Flink for real-time stream processing, including Flink SQL, DataStream API, state management, and comprehensive knowledge of Flink infrastructure setup, maintenance, enhancement, and migration strategies. Experience in evaluating and integrating alternative streaming frameworks is highly valued.
- In-depth knowledge and practical experience with Redis, encompassing not only data structures, caching patterns, and pub/sub mechanisms but also expertise in Redis cluster setup, maintenance, enhancement, and migration strategies for high-performance applications.
- Extensive hands-on experience with Microservices architecture, design patterns, and deployment strategies.
- Experience with Large Language Models (LLMs), including fine-tuning, prompt engineering, and integrating LLMs into applications, is a plus.
- Extensive hands-on experience with data distribution platforms like Apache Kafka, and various big data storage/querying systems (e.g., Trino, Pinot, Druid, Ignite) for low-latency access in distributed data pipelines.
- Experience with the design and implementation of cloud-native applications and deployment via Kubernetes / OpenShift, specifically for managing microservices and streaming data services.
- Good understanding of data modeling, partitioning, and sharding of huge data sets for optimal performance in large-scale, distributed data platforms.
Software Engineering Skills:
- Experience working on a Continuous Integration and Continuous Delivery (CI/CD) environment, with a strong focus on rapid and reliable deployment of microservices and streaming components and data access layers. Familiarity with TeamCity, SonarQube, and Jenkins.
- Experience with the SDLC lifecycle and in working within an Agile environment, adapting to fast-paced data requirements.
- Demonstrable understanding and experience of engineering best practices: design patterns, coding standards, code review, and robust unit/integration testing across various languages.
- Strong experience with standard CI tools (Jenkins, TeamCity, SonarQube, Git).
Education:
- Bachelor’s degree/University degree or equivalent experience.
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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.
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View Citi’s EEO Policy Statement and the Know Your Rights poster.
Skills Required
- 4+ years of software development experience
- Proficiency in Java, Python, Angular, React
- Experience with Apache Flink for real-time stream processing
- Expertise in Redis for caching and data structures
- Hands-on experience with Microservices architecture
- Experience with data distribution platforms like Apache Kafka
- Experience with Kubernetes / OpenShift for deployment
- Experience with CI/CD environments (Jenkins, TeamCity)
Citi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.
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Healthcare Strength — Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
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Retirement Support — Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
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Wellbeing & Lifestyle Benefits — Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.
Citi Insights
What We Do
Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.
