Top Tech Jobs & Startup Jobs

Develop and maintain the Equity Finance trading application using Core Java. Perform system analysis, coding, testing (TDD/BDD), debugging, and implementation. Collaborate with traders and global teams, mentor mid-level developers, manage project delivery, and ensure compliance with risk and regulatory controls.

Manage end-to-end Product Control processes including daily P&L reporting, trade review, Independent Price Verification, valuation adjustments, and fair value levelling. Liaise with trading, risk, operations, middle office and IT. Support standardization, system improvements and ad-hoc projects to enhance product control infrastructure and controls.

Design, implement, and maintain end-to-end data solutions for first-party audience onboarding, activation, distribution, and measurement across MarTech and AdTech. Manage integrations, monitor data quality and controls, ensure governance and privacy compliance, support audits, document data flows, and collaborate with cross-functional teams to troubleshoot and optimize marketing data operations.

Develop and maintain Java/J2EE risk-management applications for counterparty credit exposure and regulatory RWA. Lead design, coding, testing, builds, deployments, and code reviews, collaborate with business analysts and global teams, and promote technical and architectural best practices.

Senior Java lead responsible for designing and delivering microservice-based solutions using Spring Boot, integrating with ledgers and databases, building UIs in Angular/React, deploying via Docker/Kubernetes, using messaging (Kafka/JMS/Solace), leveraging GenAI coding assistants, mentoring team members, and ensuring compliance and risk controls.

Lead and scale the Ad Trafficking & Operations group, ensuring flawless campaign execution, QA, tagging/tracking accuracy, and operational efficiencies. Manage and mentor traffickers/managers, evaluate ad tech, drive automation, collaborate with cross-functional teams, and maintain vendor relationships while ensuring compliance with policies and SLAs.

Senior full‑stack developer responsible for designing, developing, and maintaining enterprise‑scale React.js frontends and Java (17+) Spring Boot microservices. Modernize Angular apps to React, build REST APIs and event‑driven pipelines with Kafka, integrate SQL and NoSQL databases, support CI/CD and containerized deployments (Docker, Kubernetes, OpenShift), and monitor production systems using ELK/Grafana.

Support development and execution of media plans using Citi first-party data. Translate briefs into actionable audience, budget, and channel recommendations. Coordinate with Sales, Ad Ops, Product, and Analytics to launch, monitor, and optimize campaigns; contribute to planning tools, testing initiatives, and client communications while ensuring compliance and risk awareness.

Design, build, and maintain scalable full‑stack applications using React, TypeScript, and NestJS. Translate business requirements into architecture and design, contribute to system and API design, support CI/CD and DevOps practices, integrate AI coding tools (Claude Code) and agentic workflows, establish prompt engineering standards, and define guardrails for AI‑generated code. Work on large‑scale, production‑grade distributed systems.

Develop and enhance the Global Market Data low-latency platform for Equities: design microservices, implement new functionality, support production systems, coordinate exchange changes, and troubleshoot with traders and support teams.