Python User Interface Developer

Our client a major bank in New York City is looking forSenior Python UI Developer Consultant
(Angular React Javascript or etc.)

3-6 months initial contract with possibility for extensions and option to hire.
5 days on-site in NYC Office

** Must be authorized to work for ANY employer in US - NO H1 Visa support for this role

Rate: $65-70/h on W2 possible C2C as well.

Python User Interfrace Developer Consultant

Job Description:
Duties & Responsibilities

• Design 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.

• Strong experience developing RESTful APIs and enterprise integration solutions.
• Expertise with API design implementation and lifecycle management.
• Experience with:
  • OAuth2 Authentication
  • Bearer Token Authentication
  • API Key Security Models
• Strong knowledge of JSON XML and API payload design.
• Experience implementing:
  • Error handling frameworks
  • Retry logic
  • Idempotency controls
  • Monitoring and observability solutions
• Experience building distributed and event-driven systems.
• Strong understanding of application security and secure communication protocols.
• Experience working within cloud-enabled and enterprise application environments.

• Strong 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:
  • SIMON
  • Luma
  • HALO

• Ability 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.

• Experience 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.

• Bachelors degree in Computer Science Information Technology Engineering Mathematics Finance or a related discipline.
• Masters degree in a technical or quantitative field preferred.
• Relevant industry certifications are a plus.

Please email your resume oruse this link to apply directly: