Jobs in United States

Trading Application Support Specialist in United States

45 active opportunities · Updated October 2026

Explore current trading application support specialist jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

CC
📍 Chicago, Illinois, United States· Full-time
✓ High-confidence listing

From $198K/yr

Quick readStrong listing-quality and freshness signals

Chicago Trading Company (CTC) is a premier proprietary trading firm specializing in options market making. Our collaborative culture fuels innovation in quantitative research, systematic trading strategies, and cutting-edge trading technology. For over three decades CTC has provided critical liquidity across derivatives exchanges worldwide - making them fairer, more transparent, and more efficient. We strive to be the most innovative firm in the industry today, tomorrow, and long into the future while upholding ethical excellence. We believe that CTC makes a positive impact on the markets, the lives of our employees, and all the communities to which we belong. Started in 1995 by a team of forward-thinking Traders, we are proud to call ourselves an industry leader that keeps making markets and each other better. The Role As a Quant Trading (QT) Intern, you will be challenged to learn and adapt in an exciting team environment and will play a substantial role in our day-to-day trading and quant-related activities. Your impact is immediate and meaningful. You will become a member of a team for the summer and play a vital role completing project work and/or identifying trading opportunities and communicating with software engineers, quants, traders, and risk managers throughout the trading day. As part of the Summer Associate cohort, you will learn and socialize alongside other QT Interns and Software Engineering (SE) Interns. What to Expect The 8-week internship program gives you insight into our culture and an inward look into what our business is all about. You will participate in three classroom learning experiences including: a week-long Basics of Options class, a multi-week class on the fundamentals of market making (Mock Trading), and a multi-week class that introduces elements of our quant framework (Quant Curriculum). You will also attend planned social activities and talks from various business leaders to propel your professional growth, and

PythonRestAIGo
O
📍 United States· Full-time
✓ Quality checkedCompany trend -80.2%

About the Team OpenAI, in close collaboration with our capital partners, is building the world’s most advanced AI infrastructure ecosystem. The Power & Land team owns the energy strategy required to secure reliable, scalable, and economically resilient power for OpenAI’s global data center portfolio. About the Role The Power Trading Lead will own commodity hedging strategy and execution across OpenAI’s data center power portfolio. This role will translate large, dynamic electricity and fuel exposures into practical hedging, procurement, and risk-management strategies that protect infrastructure economics while preserving flexibility for growth. This is an individual contributor lead role and does not have direct reports initially. The role will work across power markets, utility tariffs, retail and wholesale supply structures, natural gas and power hedges, renewable and clean firm products, and portfolio risk analytics to support long-term compute growth. Key Responsibilities Develop and maintain OpenAI’s commodity hedging strategy across electricity, natural gas, and related energy exposures for data center operations and growth. Quantify portfolio exposure by market, site, load shape, tenor, tariff, and supply structure, and translate that exposure into clear hedging recommendations. Evaluate and execute hedging structures including fixed-price supply, forwards, swaps, options, retail supply products, congestion and basis risk mitigation, and related instruments where appropriate. Partner with utilities, suppliers, traders, banks, consultants, and market counterparties to source competitive products and improve risk-adjusted energy economics. Build decision frameworks for when to hedge, how much to hedge, and which risks to retain across different stages of site development, construction, and operations. Coordinate with finance, treasury, legal, procurement, energy regulatory, sustainability, and site-readiness teams to ensure hedging strategy aligns with broa

AWSRestAIGo
C
📍 New York New York United States, United States
✓ Quality checkedCompany trend +800%

Citi's Markets Quantitative Analysis (MQA) group is seeking a highly skilled VP Quantitative Analyst to join its Equities team. This role is central to the research, design, implementation, and maintenance of cutting-edge Equities Execution Algorithms for Citi's clients and internal trading desks, with a specific focus on North America and LATAM markets. This position offers a unique opportunity to apply strong quantitative, technical, and soft skills to foster innovation within a collaborative team culture, directly impacting trading businesses, control functions, and the global client base. Key Responsibilities Algorithmic Development & Enhancement: Design and develop new algorithms and strategies for the next generation equity trading platform initiative at Citi. Research, design, and implement improvements for existing algorithmic trading strategies (e.g., VWAP, liquidity seeking). Develop and enhance quantitative models, including optimal schedule, market impact models, and short-term predictive signals (e.g., fair value). Implement algorithm enhancements and customizations with production-quality code, applying best practices for modular, reusable, and robust trading components. Data Analysis & Modeling: Perform in-depth analysis of large datasets comprising market data, orders, executions, and derived analytics. Apply statistical modeling and machine learning techniques for data analysis and signal generation. Conduct flow analysis and performance tuning for various client flows. Provide data and analysis to support initial model validation and ongoing performance analysis. Collaboration & Support: Collaborate closely with traders, risk managers, product, sales, and technology teams to integrate quantita

PythonJavaMachine LearningArtificial Intelligence
C
📍 New York New York United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

Job Description We are looking to hire an experienced strategist to join Citi Equity Trading Strategy (CETS) team in New York with a focus on thematic investing. The team is responsible for providing market commentary on the global equity markets, including tactical market analysis. CETS combines macro, equity and derivatives viewpoints to make directional and relative value trading calls alongside medium-term thematic views. The candidate will be a key contributor to, and communicator of, views to Citi’s trading platform, institutional clients and the Citi Private Bank. Additionally, the US CETS Strategist will partner with the US and global CETS and research teams. Key Responsibilities: Contribute to building and executing a fundamentally based framework for thematic investment. Primarily for custom baskets, but also including sectors, ETFs and related products Coverage of US equity market, including top-down analysis of valuation, earnings, options markets, sector recommendations and trade ideas Thought leadership for US equity trading & sales Generate formal client recognition for Citi’s US equity strategy product via client votes and external poll rankings <span style="color

PythonSQLArtificial IntelligenceAI
C
📍 New York New York United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

The Global Markets In-Business Risk (IBR) is a Front Office 1st Line of Defense team responsible for market risk across asset classes within Citi’s Global Markets division. The team aims to establish a holistic understanding of market risk and capital of the aggregated trading portfolio, as well as to optimize the business’s return on capital. Global Markets IBR covers all trading businesses globally such as Rates and Currencies, Global Spread Products, Commodities, and Global Equities. This VP-level role will focus on the coverage of cross-asset portfolio risks arising from the firm's trading activities. The ideal candidate will have a background in fixed income trading and possess deep market knowledge and experience with pricing/valuation/risk frameworks. Key Responsibilities Proactively identify, quantify, and analyze key market risks within the Markets’ trading inventory, considering the broader market environment, emerging themes, and portfolio concentrations. Communicate findings and discuss risk dynamics with the Head of IBR and senior trading business heads. Own Markets RWA monitoring and analytics, identifying key drivers, emerging risk concentrations, and opportunities to manage RWA’s across trading portfolios. Support the firm's FRTB program, including IMA implementation, SA readiness, underlying data analytics, model performance analysis, and regulatory engagement related to market risk capital. Understand the firm’s risk appetite, limits, and our capital framework to allow effective optimization and allocation of risk. Closely track the performance of products across Global Markets, understanding the drivers of market movements to form a forward-looking view on material, concentration, and emerging risks. Possesses the ability to translate complex risk, P&L and market data into actionable insights and develop sophisticated solutions for monitoring first-

PythonSQLArtificial IntelligenceAI
C
📍 Tampa Florida United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

This is a senior attorney role to lead the negotiation and execution of derivatives documentation supporting our global Markets trading activities. This role will serve as a key partner to front office, risk, and legal teams, managing complex master trading agreements, such as ISDA and Futures Clearing agreements, and advising on legal and regulatory risk across OTC derivatives transactions. The position requires deep expertise in ISDA Master Agreements, collateral documentation, and derivatives market practice, along with strong stakeholder management and negotiation capabilities. Responsibilities: Serve as lead negotiator and subject matter expert for ISDA Master Agreements, Schedules, Credit Support Annexes (CSAs), and related derivatives and collateral documentation; manage complex, bespoke negotiations across the full documentation lifecycle Provide legal counsel and guidance to Markets business stakeholders, interpreting applicable laws, rules, regulations, and industry practices and delivering commercially practical, risk-appropriate solutions Advise senior management on legal matters impacting trading activities, client relationships, and strategic initiatives, contributing informed, business-oriented perspectives to decision-making Identify, evaluate, and manage legal, regulatory, and reputational risk in coordination with Legal, Risk, and ICRM; ensure alignment with internal policies and applicable regulatory requirements Objectively assess business proposals against institutional risk appetite, regulatory frameworks, and market standards, escalating issues as appropriate Collaborate closely with Trading, Sales, Credit, Risk, Operations, and Legal teams across regions to deliver coordinated, efficient, and consistent outcomes Oversee day-to-day legal and documentation activities as a subject matter expert, ensuring tim

Artificial IntelligenceAI
C
📍 New York New York United States, United States· Hybrid
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

The Sec & Derivatives Sr Analyst is an intermediate level position responsible for processing orders and transactions originating from trading desks and branch offices in coordination with the Operations - Transaction Services team. The overall objective of this role is to facilitate the clearance, settlement and investigation of client securities and derivatives transactions. Responsibilities: Resolve complex process problems which require an in-depth evaluation of basic securities processing procedures and industry standards Process various hedge fund tasks, including calculating net asset value, reconciling cash and holdings, and pricing securities Offer advanced solutions for assigned securities processing areas Provide guidance and assistance to junior staff Oversee the set-up of new hedge funds, while representing a securities processing team, and acting as the analytical and procedural expert Serve as analytical or procedural expert for securities processing deliverables/initiatives Prepare expense budgets, analyze expense calculations, and prepare unaudited financial statements Ascertain fund value and allocate values to each investor Assist with the development of new techniques and streamlining hedge fund/securities processing activities Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's 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. Recommended Qualifications : 5-8 years of relevant experience Consistently demonstrates clear and concise written and verbal commun

Artificial IntelligenceAI
S
📍 United States· Full-time
✓ High-confidence listingCompany trend -90.5%
Quick readStrong listing-quality and freshness signals

Employee Applicant Privacy Notice Who we are: Shape a brighter financial future with us. Together with our members, we’re changing the way people think about and interact with personal finance. We’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world. The role: The Composer by SoFi Segment Manager plays a key role in operating, scaling, and evolving the Composer business. This individual will own critical workstreams spanning trading and brokerage operations, process design, member servicing, risk and controls, and strategic initiatives. The role will partner closely with Product, Engineering, Operations, and Compliance to translate business needs into scalable operating solutions. The ideal candidate combines strong brokerage expertise with structured problem-solving, sound judgment, and the ability to independently drive complex initiatives from problem identification through implementation. What you'll do: Own and support critical Composer business operations, including trading, brokerage servicing, account operations, and complex operational escalations. Serve as a subject matter expert across Composer's operating model, including key brokerage workflows, systems, dependencies, and controls. Design and continuously improve end-to-end member journeys across key Composer experiences, identifying friction points and ensuring scalable servicing solutions. Serve as an escalation point for complex or high-impact member issues, driving resolution and translating learnings into broader process improvements. Partner across the business to identify oper

RestAIGoExcel
C
📍 New York New York United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

The Financing and Clearing Platform Lead Analyst is an experienced professional responsible for driving revenue generation, ensuring Citi offers state-of-the-art platforms through direct technical and strategic contributions, and maximizing risk management through expert-level oversight and optimization. This role directly contributes to the company's financial success by ensuring our platform, particularly in Prime Product Development with a strong emphasis on margin and cross-product margining, is at the forefront of innovation, efficiency, and client service, leveraging deep subject matter expertise. Responsibilities · Strategic Contribution to Trading Profit & Loss Drivers: Drives the strategic analysis and interpretation of trading revenues, financing expenses, and other key business metrics to identify and proactively pursue significant opportunities for revenue enhancement. This includes a deep understanding of how margin methodologies and cross-product margining efficiencies impact P&L. Expertly assesses complex trends in profitability and returns, and directly contributes to crafting and executing comprehensive growth plans in conjunction with senior sales and trading leadership. Accountable for providing expert insights and recommendations for managing high-level business metrics and optimizing the overall revenue mix across broad segments. · Driving Innovation and Direct Development of Trading Platform: Initiates, plans, and directly contributes to the prioritization of significant, strategic enhancements to platform capabilities that will open new trading opportunities and drastically improve efficiency across the business. Drives innovations through direct technical and strategic input to address emerging client demand and significant industry trends, directly enhancing business profitability, and strengthening the overall risk and

Artificial IntelligenceAIAccounting
M
📍 New York City, New York, United States
✓ High-confidence listingCompany trend +212.5%
Quick readStrong listing-quality and freshness signals

Our Purpose Mastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Manager, Corporate Treasury Overview Mastercard is looking for a Manager, FX Trading & Strategy to join the New York City office and oversee daily FX trading, risk management and support the implementation of new processes and procedures. The responsibilities for this role include: • Develop new foreign exchange capabilities to support business initiatives involving cross-border payments • Define FX desk workflows, policies, procedures, and implement a high level of automation • Execute the company’s foreign exchange risk management program and strategies • Monitor FX trade executions and open positions • Measure FX risk according to company policy and report exposures to senior management • Analyze approaches to optimize risk management • Onboard trading partners • Identify requirements to trade exotic currencies • Support the testing of FX risk management, quoting, and trading systems • Communicate relevant news, market events, and FX system behavior to team members • Analyze market trends (liquidity, spreads, volatility, etc.) for the business • Evaluate business cases for incremental revenue opportunities related to foreign exchange transactions and support the business with project-based FX analysis • Contribute to all aspects of the trading desk activities incl

ExcelAccountingFinanceRecruitment
C
📍 New York New York United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

Agency Securities Lending Trader – Securities Finance - New York Securities Finance encompasses the Agency Securities Lending (ASL), Directed Agent Investment Services (DAIS), and Collateral products within the Execution Services division of Investor Services. The business partners with institutional investors to enhance their portfolio returns through intrinsic value securities lending, liquidity management, and collateral optimization. Citi's key strengths include unsurpassed global branch network, robust risk management, real-time controls, product innovation, dynamic reporting, and market thought leadership. The business is seeking a securities lending trader to work in New York. Citi provides 24-hour trading coverage and client services through its business locations in Sydney, Hong Kong, Singapore, London, Dublin, New York, and Tampa. Citi’s strategic presence in these locations is designed to align our business with our client base and provide a platform to target new client mandates. Our traders execute transactions for leading global institutional investors including Sovereign Wealth Funds, Pension Funds, Insurance Companies, ETF Issuers, and Mutual Funds. Leveraging our market-leading combination of securities lending expertise, local branch network, and breadth and depth of supply enables us to create mutually beneficial opportunities for both lenders and borrowers alike. RESPONSIBILITIES: Develop and maintain relationships with borrowers to optimize our clients’ securities lending portfolio performance. Adhere to risk & control guidelines specifically as it relates to counterparty credit limits, best execution, and fiduciary obligations. Identify and present trading opportunities to capitalize on special situations and latent holdings. This includes the assessment of voluntary corporate action events such as Rights, Tenders, Buybacks, and Scrip/DRP options.

PythonSQLArtificial IntelligenceAI
O
📍 New York, New York, United States· Full-time· Remote
✓ High-confidence listingCompany trend -80.2%
Quick readStrong listing-quality and freshness signals

About the team OpenAI’s Forward Deployed Engineering team partners with banks, asset managers, insurers, and private capital firms to deploy production-grade AI systems in high-stakes financial environments. We operate at the intersection of customer delivery and core platform development, embedding deeply with customers to translate frontier model capabilities into reliable, auditable systems that create measurable business impact. Our work turns early deployments into repeatable solution patterns, operating standards, and evaluation practices that scale across regulated financial institutions. About the role We are hiring a Forward Deployed Engineer (FDE) to lead end-to-end deployments of OpenAI’s models inside financial services organizations where correctness, latency, explainability, and control matter. You will work with customers who are experts in investment banking, trading, risk, compliance, underwriting, research, operations, or investment decision-making, translating complex workflows, data constraints, and regulatory requirements into production systems. You will measure success through production adoption, workflow efficiency, risk reduction, revenue impact, and evaluation-driven feedback loops that inform product, model, and GTM strategy. You’ll work closely with Product, Research, GTM, Security, Legal, and GRC to deliver systems that meet enterprise standards for governance, auditability, and operational resilience. You will also play a central role in shaping OpenAI’s Financial Services offering — identifying high-value use cases, defining solution patterns, and building the first repeatable deployments that scale across institutions. Learn more about some of our work with financial institutions . This role is based in New York. We use a hybrid work model of 3 days in the office per week. We offer relocation assistance. Travel up to 50% may be required. In this role, you will Design and ship production AI systems around models, owning integrations,

JavaScriptPythonJavaAWS
O
📍 San Francisco, California, United States· Full-time
✓ Quality checkedCompany trend -80.2%

About the Team The Safety Systems team is responsible for various safety work to ensure our best models can be safely deployed to the real world to benefit the society and is at the forefront of OpenAI's mission to build and deploy safe AGI, driving our commitment to AI safety and fostering a culture of trust and transparency. The Model Safety Research team aims to fundamentally advance our capabilities for precisely implementing robust, safe behavior in AI models, and to leverage these advances to make OpenAI’s deployed models safe and beneficial. This requires a breadth of new ML research to address the growing set of safety challenges as AI becomes more powerful and used in more settings. Key focus areas include how to enforce nuanced safety policies without trading off helpfulness and capabilities, how to make the model robust to adversaries, how to address privacy and security risks, and how to make the model trustworthy in safety-critical domains. We seek to learn from deployment and distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. About the Role OpenAI is seeking a senior researcher with passion for AI safety and experience in safety research. Your role will set directions for research to enable and empower safe AGI and work on research projects to make our AI systems safer, more aligned and more robust to adversarial or malicious use cases. You will play a critical role in shaping how a safe AI system should look like in the future at OpenAI, making a significant impact on our mission to build and deploy safe AGI. In this role, you will: Conduct state-of-the-art research on AI safety topics such as RLHF, adversarial training, robustness, and more. Implement new methods in OpenAI’s core model training and launch safety improvements in OpenAI’s products. Set the research directions and strategies to make our AI systems safer, more aligned and more robust. Coordinate and collaborate with cross-functional team

AWSRestMachine LearningAI
C
📍 Jersey City New Jersey United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

Senior Low Latency Developer – Equities Connectivity Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180&#43; countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Equities Technology Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernized post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑caliber engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi . Role Overview Citi's Equities Technology organization is seeking an experienced, hands-on engineer to join the Equities Electronic-Execution (Electronic Trading) technology team. The person in this role will be responsible for the development and operational excellence of Citi's next-generation low-latency connectivity platforms.

JavaArtificial IntelligenceAIProject Management
MR
📍 Salt Lake City, Utah, United States· Full-time
✓ High-confidence listing

$56K – $58K/yr

Quick readStrong listing-quality and freshness signals

Location: South Jordan, UT (This role is on-site) Salary: $56,000 - $58,000 USD Want to work in technology at an investment bank? Graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches). Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel. As part of the mthree Alumni program, mthree has an exciting and exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training. What you'll do: Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting. Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on. How the Alumni program works: Apply via this job advert. Complete our assessment process. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months. The vast majority then convert to permanent employees with the client at the end of the program. What you’ll learn at the mthree Academy: How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery. How to discuss common financial topics, including financial markets, e

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