Contract Python UI Developer
Job DescriptionContract Python UI DeveloperMUST be local to New York City, 5 Days OnsiteDuties & ResponsibilitiesDesign, develop, and implement enterprise-grade RESTful API integrations supporting Structured Products and Derivatives businesses.Build seamless connectivity between internal pricing, trading, and risk platforms and external vendor platforms including SIMON, Luma, HALO, and similar structured products ecosystems.Collaborate with Front Office Trading, Sales, Quantitative Research, Product Control, and Technology teams to define integration requirements and deliver production-ready solutions.Design and maintain API contracts, payload mappings, data transformation frameworks, and integration specifications.Implement secure authentication and authorization mechanisms using OAuth2, API Keys, Bearer Tokens, and related security standards.Develop scalable and resilient distributed systems capable of supporting high-volume trading and transaction workflows.Implement comprehensive monitoring, logging, alerting, retry mechanisms, and error handling frameworks to ensure operational stability.Support the complete trade lifecycle, including trade capture, pricing, execution, allocation, and downstream processing.Participate in architecture reviews, code reviews, production support, and system optimization initiatives.Work closely with infrastructure and DevOps teams to support deployment automation and platform reliability.Produce technical documentation, integration specifications, and support procedures.Required SkillsTechnical SkillsStrong experience developing RESTful APIs and enterprise integration solutions.Expertise with API design, implementation, and lifecycle management.Experience with:OAuth2 AuthenticationBearer Token AuthenticationAPI Key Security ModelsStrong knowledge of JSON, XML, and API payload design.Experience implementing:Error handling frameworksRetry logicIdempotency controlsMonitoring and observability solutionsExperience building distributed and event-driven systems.Strong understanding of application security and secure communication protocols.Experience working within cloud-enabled and enterprise application environments.Capital Markets ExperienceStrong knowledge of Structured Products.Experience with Derivatives products and workflows.Understanding of the end-to-end Trade Lifecycle.Experience supporting front-office trading platforms.Direct experience integrating with one or more vendor platforms such as:SIMONLumaHALOSoft SkillsAbility to work effectively with Trading, Sales, Quantitative Research, and Technology teams.Strong communication and stakeholder management skills.Proven ability to deliver solutions within fast-paced front-office environments.Strong analytical and problem-solving capabilities.Preferred QualificationsExperience working within investment banking, broker-dealer, or capital markets environments.Familiarity with structured products issuance, distribution, and lifecycle management platforms.Experience with microservices architecture and cloud-native integration patterns.Knowledge of market data, pricing systems, and risk platforms.Understanding of regulatory and operational controls within financial services.EducationBachelor's degree in Computer Science, Information Technology, Engineering, Mathematics, Finance, or a related discipline.Master's degree in a technical or quantitative field preferred.Relevant industry certifications are a plus.