David DaSilva
Software Engineer | Tech Lead | Consultant
Email:-| Phone: - | Location: St Paul, MN
Summary
Seasoned Software Engineer and Experienced Engineering Leader with a robust track record of
delivering innovative solutions and leading high-performing teams. Known for my go-getter attitude,
lifelong learning, and problem-solving skills. Passionate about building impactful products and
constantly seeking ways to improve and innovate.
SKILLS
Programming Languages: Python (Django, Flask), JavaScript, Typescript (Node js, React js, Vue js,
jQuery), Go, Dart(Flutter), C/C++, C#, Haskell, Elixir(Phoenix), R
API Development: RESTful, GraphQL, SOAP, Webhook
Databases: SQL (MySQL, PostgreSQL, MariaDB, MSSQL, Oracle, SQLite3, DBML), NoSQL (Cassandra,
Pinecone, DynamoDB, MongoDB, Redis)
Cloud Platforms: AWS, GCP, Cloudflare, Heroku
Version Control: GitHub, BitBucket, GitLab
Business Intelligence: Sisense, PowerBI
Data Tools: Snowflake, BigQuery
Blockchain & Web3: Ethereum, Smart Contracts, Decentralized Applications (dApps), Offchain Oracles
PROFESSIONAL EXPERIENCE
Principal Engineer
Zolontech, Contract
November 2022 ~
- Team Leadership: Established and developed a high-performing engineering team to create a
healthcare platform for the federal government.
- Stakeholder Communication: Translated complex technical concepts into clear project plans and
timelines for non-technical stakeholders.
- Best Practices: Implemented software engineering best practices and standards..
- Platform Development: Led the development of a healthcare platform using Python, React, TypeScript,
Docker, and AWS.
- Innovation: Developed multiple proof-of-concept (POC) applications using PHP/Drupal, Python,
OpenAI, LLM, Langchain, AstraDB, Node.js, GraphQL, REST, AWS, GCP, and Firebase.
Senior Software Engineer
Meta, Full-time
September 2022 - November 2022
- Collaborated with senior engineers to understand and enhance product architecture and tech stacks.
- Improved and upgraded features on a GraphQL backend using Python and Haskell.
- Utilized R for advanced statistical analysis to derive actionable insights from complex datasets.
Consultant, Tech Lead
Mission, Contract
November 2019 - July 2022
- Led a team of 5 engineers to build a resource management platform using Python/Django, React,
PostgreSQL, and AWS.
- Built an ETL pipeline to convert large amounts of files using AWS, Python, Node.js, and Terraform.
- Migrated infrastructure from GCP to AWS and utilized Infrastructure as Code (IaC).
- Optimized and scaled Python/Django RESTful APIs, resolving performance issues.
- Defined engineering standards and best practices, communicating effectively with stakeholders.
Lead Software Engineer
IBM, Full-time
August 2018 - October 2019
- Worked on building customer-facing UI application using javascript, jQuery, HTML, CSS and later
updated that to React.js application
- Improved efficiency of various python scripts by profiling and debugging
- Participated development of GraphQL API using Python/Django for a telecommunications company
- Collaborated engineers from different teams to deliver a web based product for a telecommunications
company
- Implemented data visualization using R and ggplot2 to provide deeper insight into platform
performance through data analytics.
Software Engineer
IBM, Full-time
May 2015 - July 2018
- Built and upgraded customer-facing UI applications using JavaScript, jQuery, HTML, CSS, and React.js.
- Built customer-facing UI applications and developed GraphQL APIs for a telecommunications company.
- Improved Python script efficiency and developed GraphQL APIs using Python/Django for a
telecommunications company.
Software Engineer
JLL Technologies, Full-time
November 2011 - April 2015
- Developed internal web applications for vendor and customer management.
- Designed a SaaS platform to support facility management, involving both customers and vendors.
- Built RESTful APIs and improved API response times.
Software Engineer Intern
JLL Technologies, Full-time
April 2011 - October 2011
- Optimized RESTful APIs in Django, increasing reporting speed by 35%.
- Developed front-end applications with HTML, jQuery, CSS, and Vanilla JavaScript.
Education
Bachelor of Computer Science, Software Engineering Major
Florida International University, Miami FL 33199, 2007 - 2011
Projects
OpenSource, LLM, LangChain, OpenAI, ChatBot, Recommendation System
https://github com/Anant/astra-llm-recommendation-python
https://github com/Anant/astra-chatbot-react-python
https://github com/Anant/airbyte-dest-astra
https://github com/Anant/airbyte-source-astra
https://github com/Anant/semantic-kernel-astra-memory
https://github com/Anant/haystack-astra-integration
Social Media, Social Networking, Entertainment, Content Sharing, Communication
https://www facebook com/
B2C, Telecommunications, Payment, Shopping
https://www bell ca/
Facility Management, Real Estate, Property Management, Maintenance
https://www jllt com/corrigo/
Grant Management, Cost Allocation, Financial transactions
https://ecivis.com/resources/product-demos/
