Top Tech Jobs & Startup Jobs

Client-facing senior software developer responsible for building and supporting the Global Prime Services Swaps backoffice platform. Work includes implementing trade processing, clearing models, order management and real-time P&L systems, day-to-day support (≈30%) and development (≈70%), and direct collaboration with trading desks, operations, middle office and internal tech teams.

Build and productionize quantitative models for equity swaps, securities lending, and prime brokerage. Deliver client-facing custom basket and portfolio solutions, apply ML/LLMs to flow and funding prediction, architect AWS-native Python systems, and partner with traders and global quants to drive P&L, liquidity management, and automated analytics.

Lead design, development, testing, deployment and support of cloud-native Java microservices and APIs. Build event-driven data pipelines using Kafka, work with AWS EKS/ECR/EC2/Beanstalk, implement CI/CD and containerization, collaborate in Agile teams, and drive technical alignment and innovation across IB Tech & CRM/Analytics.

Lead institutional ETF trading across equity and fixed-income ETFs: make markets, manage principal risk, provide liquidity and execution, advise institutional clients, monitor flows and market structure, collaborate with sales/research/capital markets, and drive franchise growth.

Manage e-discovery and electronic communications collections for litigations, subpoenas, exams and investigations; coordinate with in-house and outside counsel; obtain mobile device collections; manage and train users on the in-house e-Discovery tool; collect documents for litigation holds; support books-and-records and document retention initiatives; liaise with legal team and deliver high-quality work under tight deadlines.

Support senior analysts on U.S. chemicals equity research by building and maintaining earnings, cash flow, and valuation models; using Excel, Python, and AI workflows for forecasting and scenario analysis; writing and editing research publications; and analyzing industry, macro, and supply‑chain drivers for commodity, specialty, and diversified chemical producers.

Develop and maintain Jefferies' high-performance fixed-income e-trading platform focused on credit products. Build scalable, highly available real-time trading applications, support existing infrastructure (ION, Java, Kdb), collaborate with traders and quants to gather requirements, and champion SDLC and test-driven development while balancing delivery with governance and compliance.

Support senior bankers on transaction execution and due diligence; prepare marketing pitches, offering memoranda and management presentations; build target buyer/investor lists; perform industry research, complex financial modeling and valuation; mentor and train analysts; support M&A and financing engagements within Technology Enabled Services.

Perform financial modeling and fundamental research on public technology and information services companies; write timely research reports; track industry themes and trends; maintain company and industry relationships; interact with institutional sales, corporate, and buy-side clients; attend industry events and meet tight deadlines.

Lead the accounting function for multiple entities and investment vehicles, overseeing monthly/quarterly/annual close, GAAP financial reporting and consolidation, audits, internal controls, regulatory compliance, and transaction/post-close accounting. Partner with deal teams, treasury, legal, FP&A and senior leadership. Drive finance transformation efforts (ERP upgrades, reporting automation) and lead and mentor a team of accounting professionals.