Divya Mahajan
Nashua,NEW HAMPSHIRE
Overview
13
13
years of professional experience
Work History
Director, Digital Assets
PI Crypto CoE
Merrimack, NH
11.2022 - Current
- Worked on conducting market research and developing proof of concepts (PoC) on various innovations in the blockchain space focused on self-custody for retail customers
- Designed and presented the Threshold Signature Scheme (TSS) for a wallet using Multi Party Computation (MPC) to address wallet recovery scenarios
- Built a prototype backend for an MPC based self-custody wallet in partnership with Blockdaemon to prove technical feasibility
- Designed a nonce management system for EOA based blockchains to allow for scale in a distributed environment
- Developed and implemented smart contracts and decentralized finance (DeFi) applications on the Ethereum platform to enable token swaps using 0x and Uniswap v3/v4 protocols
- Partnered with teams on Fidelity Cloud Computing org on the deployment of blockchain infrastructure for Self-custody wallets using FidEKS and AWS cloud environment
- Conducted research on Circle’s Cross-Chain Transport Protocol (CCTP) to prove feasibility for transacting Fidelity Digital Dollar (FIDD) across chains enhancing reach and utility of the token
- Presented regularly on the latest blockchain trends and technologies to the CoE and the PI Crypto domain.
Director, Architect & Engineer
PI Wealth Management
Merrimack, NH
01.2022 - 01.2023
- Lead Product architect driving end-to-end solution for PI’s Alternative Investments and Lending and Mortgage Solutions product area
- Provided technical leadership as well as supported teams throughout the development process from PoC all the way to product go-live, all using cloud native technologies
- Redesigned and Modernized PI Digital Planning and Advice (DPA or FGo) product area’s experience to build highly scalable architecture to support omni-channel customer experience using the Fidelity Experience Platform (FXP)
- Designed the e2e CICD process to support build & deployment of GraphQL gateway at scale (patent pending)
- Collaborated with PE and PI Arch
- On a GraphQL strategy to build federated Experience APIs for the enterprise.
Director, Architect, Engineer & PO
PI CKSI Cognitive Computing Platform (CCP)
Merrimack, NH
10.2017 - 01.2022
- Designed and implemented parts of a scalable, enterprise-grade cloud native automated conversation NLP platform that offers best-in-class Virtual Assistant (VA) for all of Fidelity customers
- Designed and implemented a chat transcript analytics platform using AWS timestream, elastic search, snowflake, and other cloud native tools to enable ML capabilities such as volume and pattern predictions
- Led the design and implementation of Digital Passport stamps to track customer journey across our digital channels to provide customers the ability to have coordinated experiences and retrieve context across products and channels (patent pending)
- Designed a system to persist Enterprise Intent Taxonomy along with a user's journey stamps to enable building and using different levels of Knowledge Graphs to guide users through next best action (NBA) based on personalized interactions and business domain knowledge
- Built a fully automated Chatbot design tool providing business owners a user-friendly interface to design their digital customer experiences to reduce call volumes
- Designed and implemented a conversation review capability to provide internal business owners a reconstructed snapshot of the conversation between Fidelity VA and customer to enable further Bot Optimization
- Implemented Fidelity’s first Alexa skill to enable informational as well as personalized customer Intents to expand Fidelity’s footprint in the smart speaker space
- Prototyped Fidelity’s very own AWS Lex using step functions to prove technical feasibility for Fidelity’s very own NLP platform
- As a technical PO, refined, managed, and prioritized roadmap for various platform capabilities and collaborated with teams across Fidelity to drive adoption at scale to enable their business KPIs in the areas of call deflection and digitization of customer experience.
Senior Software Developer Engineer
Fidelity Investments
Merrimack, NH
05.2011 - 10.2017
- Implemented a real-time data ingestion framework from relational DB into Kafka that uses NiFi to pull data, apply transformations, publish back into Kafka, and finally send it out to an analytics system; all using Docker containers
- Developed a Spring Boot based complex API towards the Two Factor Authentication (2FA) effort to continuously protect PII data, eliminate fraud and enhance customer security
- Designed a JMS based rules engine using Spring Integration to automate rep to customer re-assignments from 100k/year (manual) to 100k/day
- Designed REST based microservices using Spring MVC for Wealth Management and Estate Planning tools that enabled greater visibility into customer financial holdings and planning
- Designed and implemented a Cassandra based composite API for Fid.com’s Portfolio Summary while providing a Second Level Security (SLS) feature and documented API contracts using YAML over swagger
- Addressed problem areas in current CI/CD process by implementing an innovative CD pipeline utilizing tools like Docker, Groovy, JFrog Artifactory (Piloted in partnership with ITEC) and Apache Kafka
- Developed batch applications in an agile environment using Java, Unix shell and Python on industry frameworks like Spring batch, JUnit, and Maven to process mutual funds data from disparate sources
- Identified, resolved, and communicated problems within the batch production environment.
Education
Master of Science - Information Technology
Worcester Polytechnic Institute (WPI)
Bachelor of Engineering - Information Science
Vishweshwaraiah Technological University (VTU)
Skills
- Programming & Web – JavaScript, Typescript, Solidity, Rest API, GraphQL API, Java, Spring MVC, Spring Boot, WebSocket, C, C#
- Analytics and Eventing platforms – Snowflake, Home-grown Data Lake, Domain Events Platform (DEP), Apache Kafka, NiFi, ELK stack
- Blockchain testing frameworks & other Tools – Remix, Truffle suite, Hardhat, Ganache, Foundry, Anvil, OpenZepplin
- SDLC frameworks and tools – Mocha, Chai, Jest, Junit, BDD using Cucumber for Java, Mockito, Concourse, Jenkins (core), Docker, NX, Lerna, JFrog Artifactory, GIT Tools, IBM uDeploy
- Databases – MongoDB, Timeseries DB, Oracle, PostgreSQL, MySQL, Cassandra
- Cloud Computing – Proficient in AWS cloud native technologies
Accomplishments
- Presented at a Conference ‘Elevate’ in Q1 2022 on how to build an app using Native AWS Cloud Technologies and GraphQL
- Nominated for Women in Technology Excellence Award at Fidelity in Q2 2021
- Common Impact: Led the design and implementation of a web-based solution that was previously all paper based for a local non-profit ‘Change is Simple’ that brings environmental, sustainability, and climate education to more than 8k elementary & middle school students in the Boston area each year!
- Presented Fidelity’s GraphQL journey at the biggest GraphQL summit in 2022 in San Diego, CA
Patents
- Systems and Methods for a User Digital Passport, 17/143,505, Pending
- Systems and Methods for Graph Management, 18/378,415, Pending
Profile Snapshot
A results-driven technologist, an EmTech enthusiast and a continuous learner with a passion for simplicity and elegance in every aspect of software from process to product. An experienced product owner with a business mindset focused on delivering value by employing technology and executing strategy. A proven leader capable of managing highly impactful capability delivery, demonstrated subject matter expertise and technical competence.
Timeline
Director, Digital Assets
PI Crypto CoE
11.2022 - Current
Director, Architect & Engineer
PI Wealth Management
01.2022 - 01.2023
Director, Architect, Engineer & PO
PI CKSI Cognitive Computing Platform (CCP)
10.2017 - 01.2022
Senior Software Developer Engineer
Fidelity Investments
05.2011 - 10.2017
Master of Science - Information Technology
Worcester Polytechnic Institute (WPI)
Bachelor of Engineering - Information Science
Vishweshwaraiah Technological University (VTU)