Design, build, test, and maintain scalable regulatory reporting applications and data pipelines. Translate regulatory requirements into technical solutions, investigate reporting exceptions, reconcile data, optimize processing frameworks, and support the full software development lifecycle with monitoring and automation.
Job Description
Role Overview:
As a Regulatory Reporting Engineer, you will play a critical role in designing and building technology solutions that support global trade and transaction reporting obligations. Working at the intersection of engineering, data, and regulatory compliance, you will develop scalable systems and data pipelines that process large volumes of trading data and deliver accurate, timely regulatory reporting.
You will partner closely with Engineering, Compliance, Operations, and business stakeholders to translate evolving regulatory requirements into robust technical solutions. This role offers the opportunity to solve complex data challenges, modernize reporting infrastructure, and help shape the future of regulatory technology through automation and advanced engineering practices.
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available.
Responsibilities:
Qualifications:
Preferred
About Citadel Securities
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com .
Role Overview:
As a Regulatory Reporting Engineer, you will play a critical role in designing and building technology solutions that support global trade and transaction reporting obligations. Working at the intersection of engineering, data, and regulatory compliance, you will develop scalable systems and data pipelines that process large volumes of trading data and deliver accurate, timely regulatory reporting.
You will partner closely with Engineering, Compliance, Operations, and business stakeholders to translate evolving regulatory requirements into robust technical solutions. This role offers the opportunity to solve complex data challenges, modernize reporting infrastructure, and help shape the future of regulatory technology through automation and advanced engineering practices.
Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available.
Responsibilities:
- Design, develop, test, and deploy scalable regulatory reporting applications and data pipelines
- Build solutions that model complex front-to-back trading workflows and business processes
- Develop and maintain systems that support global trade and transaction reporting requirements
- Partner with Compliance, Operations, and business teams to translate regulatory obligations into technical implementations
- Investigate reporting exceptions, reconcile data discrepancies, and implement durable automated solutions
- Optimize data processing frameworks to improve reporting accuracy, scalability, and operational efficiency
- Support the full software development lifecycle, including production monitoring, troubleshooting, and continuous improvement
- Leverage modern data engineering technologies and AI-enabled workflows to enhance automation and control frameworks
Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related technical field
- Strong professional experience developing software in Python
- Strong SQL and relational database expertise
- Solid understanding of software engineering principles, system design, and data architecture
- Experience building scalable data processing solutions and distributed systems
- Excellent analytical and problem-solving skills with the ability to work through complex, ambiguous challenges
- Strong communication and collaboration skills, with the ability to work effectively across technical and non-technical teams
Preferred
- Experience supporting regulatory reporting, transaction reporting, financial controls, or other highly regulated environments
- Knowledge of financial markets, trading systems, financial products, and trade lifecycles
- Experience with cloud platforms and modern data engineering technologies
- Exposure to AI-enabled workflows, intelligent automation, or machine learning applications
- Experience working with large-scale financial datasets
About Citadel Securities
Citadel Securities is a technology-driven, next-generation global market maker. We provide institutional and retail investors with world-class liquidity, competitive pricing and seamless front-to-back execution in a broad array of financial products. Our teams of engineers, traders and researchers harness leading-edge quantitative research and the accelerating power of compute, machine learning and AI to power our analytics and tackle the market's and our clients' most critical challenges. Together, we are forging the future of capital markets. For more information, visit citadelsecurities.com .
Citadel Securities London, England Office
120 London Wall, London, United Kingdom, EC2Y 5ET
Similar Jobs at Citadel Securities
Information Technology • Software • Financial Services • Quantitative Trading
Lead architecture and engineering of high-performance crypto market feed handlers and exchange connectivity. Build low-latency ingestion, normalization, sequencing, order book construction, and distribution systems; drive venue onboarding, data quality, reconciliation, recovery, and replay; improve latency, throughput, resiliency in a 24/7 production environment; partner with trading and research teams; mentor engineers and define operational KPIs.
Top Skills:
BinanceBybitC++CoinbaseConcurrencyDeribitExchange ConnectivityFeed HandlersKernel Bypass TechnologiesLow-Latency NetworkingMarket Data NormalizationMemory OptimizationMultithreadingOkxOrder Book ConstructionReal-Time Distributed SystemsReplay FrameworksSequencing
Information Technology • Software • Financial Services • Quantitative Trading
The role involves building and supporting production-level trading systems in C++ for credit and rates products, collaborating with traders and quantitative researchers.
Top Skills:
C++
Information Technology • Software • Financial Services • Quantitative Trading
Build full-stack, low-latency trading and pricing tools for options traders. Collaborate with traders, researchers, and business stakeholders to design intuitive frontends and scalable backend services, prototype and productionize distributed systems, and expand trading capabilities globally while improving performance, stability, and usability.
Top Skills:
APIsAsynchronous SystemsC++Distributed SystemsEvent-Driven ArchitecturePythonReactReal-Time SystemsService-Oriented ArchitectureTypescript
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.
