Jeffrey Kaufman
Senior Developer
Profile
Dynamic Senior Developer with a proven history of over a decade in spearheading the development, enhancement, and integration of sophisticated systems. Proficient in web-based front-end design using Figma, Wireframes and Storybook. Collaborated with multiple design teams and technical teams to create technical specs and developed backend service integration in Node.js and REST APIs. Skilled in Agile practices, utilizing GIT for version control. Adept at leveraging JavaScript with React libraries, including Redux, React Query, React Hooks, and Server Actions to deliver innovative solutions. Knowledge in AWS serverless architecture in writing and implementing lambda functions.
Employment History
Senior Developer as Consultant at Compliant Document Solutions
From: May 2024 to present
Developed new features for Annuities processing system to enhance user experience and streamline state compliance filings. Collaborated with Business Users and to create technical specs and designs,.
●Utilized JavaScript, React v19, NextJS v14, and Typescript to build applications with NextAuth for security and Redux for state management.
●Implemented server side API routes and interfaces to SQL database server using NextJS.
●Created lambda functions and integrated AWS technologies such as Amazon S3 storage and RDS for cloud computing.
●Leveraged cutting-edge tools like code splitting, React Query, Server Actions, and Tailwind for styling.
●Collaborated with users to create design and technical specs using Storybooks for component design and documentation.
●Used git for ci/cd process.
Project Lead and Technical Analyst at Verizon Corporation
From March 2022 to May 2024
Led the development of the Network Guardian system, enhancing data efficiency for location routers by automating ACL data processing through a front-end portal.
●Implemented a REST backend system with NodeJS, ensuring seamless data updates from routers to the database.
●Utilized Nextjs/react with advanced features like hooks and redux for the front end, incorporating NextAuth for security and CSS/Tailwinds for design responsiveness.
●Managed Gitlab for backups, CI/CD, and collaborated with end user groups to design front-end workflows.
●Verified message integrity with network groups, conducted unit testing with Jest, and designed SQL Server databases with GraphQL and Apollo server integration.
Project Lead and Technical Analyst at MicroProfs Inc
From September 2016 to February 2022
Lead Design and development of JavaScript/React application with Redux frontend
●Collaborated with front office specialists to gather system requirements and define technical specifications.
●Developed Node.js for REST servers, routing, and unit testing using Jest
●Managed development process, created project plans, and designed database tables
●Implemented Risk Management System GUI, Electronic Trading Feed Router, and QA regression tests
Technical Project Lead at Compliant Document Solutions
From: December 2012 to July 2016
-Led the conversion of the Compliant Document System from a C++ desktop application to a Web-based graphical application.
●Utilized Javascript, React, Redux, Graphql, Apollo server, and sequelize for backend connectivity and SQLServer integration.
●Developed Rest services in NodeJS to connect to backend systems, ensuring seamless communication.
●Oversaw project planning and technical specifications, ensuring alignment with project goals and requirements.
●Collaborated with stakeholders to ensure successful project implementation and delivery.
Technical Project Lead at BGC Partners
From: May 2008 t0 November 2012
- Lead team of developers for GUI and Server side electronic trading systems
●Utilize eSpeed messaging APIs for market data and trade confirmations
●Optimize code to handle over 2000 messages per second
●Implement C++ with STL and multithreading for API message handling
●Review projects, create design specifications, and conduct code reviews
Senior Developer at Barclay's Capital
October 2006 — April 2008
- Developed Trade Capture system with VC++ and Tibco SmartSockets for fixed Income trading at Barclay's Capital.
●Utilized STL features and multithreading for efficient message processing.
●Implemented position reconciliation system in C# and .NET to compare trader positions from ECNs with in-house positions.
●Integrated Web services in C# for data enrichment and communication with back office systems.
●Extracted trade data from Marketview ION, including BrokerTec and Bloomberg, for transmission to internal trading systems via Tibco SmartSockets.
Senior Developer - Project Leader at TD Waterhouse
February 2004 — October 2006
- Integrated legacy TD Waterhouse Institutional System VEO with TD Ameritrade's back office clearing system
●Developed C# classes to support Ameritrade's features
●Created C# wrapper classes to communicate with TD Ameritrade Web Services
●Contributed to building WebBroker, a real-time trading system.
●Utilized multithreaded DLL architecture with TCP/IP layer and Winsock2 APIs.
●Implemented synchronization objects like mutexes and critical sections.
●Employed TCP/IP layer for external vendor communication.
●Used COM components for ASP communication and OLE DB for SQL Server connectivity.
●Leveraged STL classes and the latest VC++ features in development.
Project Leader at National Traders Inc
November 2002 — February 2004
- Led a team at a Software development firm for the CDS application
●Managed the full project life cycle for annuities compliance areas and operations.
●Developed server side C++ programs and COM Objects
●Utilized VC++, MFC technology, COM, DCOM, and Web Services in project development
Education
B.S. in Mechanical Engineering, Brooklyn Polytechnic Institute of Technology
Certificate, Control Data Institute
Details
***********@*****.***
Skills
Node.js/Next.js
REST APIs
Agile best practices - Jira
GIT
JavaScript/ Typescript
React/React.js / Redux/
Storybook, Figma
SQL Database
Strong Analytical skills.
Front End Developer/SPA/ Responsive Design
Performance Optimization – Fast Page Loads and Data Caching Techniques