Vamsi Yechoor
Verified Expert in Engineering
Back-end Developer
New York, NY, United States
Toptal member since November 14, 2022
Vamsi has years of experience in Amazon and leading a top-tier education startup. He now wants to experience different types of projects as a freelancer. Vamsi's main strengths are getting things done and communicating well. He excels in architecture and full-stack development and can develop end-to-end solutions while optimizing for cost and scalability. He also has years of experience in people and project management and can be autonomous, work in teams, or lead them.
Portfolio
Experience
Availability
Preferred Environment
MacOS
The most amazing...
...things I've built are a customer service automation platform at Amazon serving thousands of associates and an enterprise e-learning application.
Work Experience
Owner | CEO
VamSolutions
- Built three companies and helped scale them from pre-seed to reach their first rounds of funding with business-minded leaders.
- Created blockchain applications, AI applications, and full-stack products from scratch that have maintained scalability with no downtime.
- Hired and managed 15 developers and helped create a great tech culture at each company.
Director of Engineering | Senior Engineer
Learn to Win
- Cultivated the engineering team from two to nine developers while spreading engineering culture and Agile methodology across the company.
- Secured the application's ecosystem to get an ATO to deploy into the IL6 Department of Defense by implementing 130 NIST guidelines, enabling $500,000 ARR with only a 5-member team in six months.
- Migrated applications from the legacy infrastructure to the managed, secure infrastructure with CI/CD controls which reduced engineering costs by 50% and $20,000 annually.
- Designed, architected, reviewed, and released 28 full-stack, product-enhancing features and personally developed seven of them, which enabled $1 million ARR.
- Led four major refactor projects to redesign table schema and APIs to reduce the average latency by 70% and P99 by 90%.
Software Engineer II | Tech Lead
Amazon.com
- Contributed to a customer service automation platform which facilitates interactions with customers of over 150 Amazon teams, including AWS, Retail, Alexa, Amazon Go, Kindle, and Transportation, and has 60,000 Amazon associate users.
- Migrated the infrastructure to native AWS, which involved onboarding 13 services and one website to use 15+ AWS tools.
- Led a team of five developers by setting team priorities and managing deliverables using the Agile methodology.
- Produced user experience improvements that reduced associate handling time of cases containing 60 million phone, email, and chat contacts by around three mins, resulting in YTD savings of $5+ million.
Software Engineering Intern
Capital One Financial
- Developed an AngularJS front end and Java middleware to populate and test personalized offers on the company's public domain.
- Interacted with senior leadership to ensure proper architecture and assess benefits and direction of applications.
- Nominated for a TechExcellence award for one of only five company-wide projects.
Software Engineering Intern
Fidelity Investments
- Developed a Google-like internal research search engine to replace legacy search applications.
- Implemented security requirements, including Kerberos authentication, to satisfy SEC compliance policies.
- Realized an average improvement of 900% per search with a runtime decrease from 15 to around 1.5 seconds per search.
Experience
Learn to Win
https://www.learntowin.com/In this project, I acted as a project lead, designer, and full-stack engineer.
Algorithmic Trader
Wish List Registry Application
Genetics Lab Programmer
Education
Bachelor's Degree in Business Administration and Computer Science
The University of North Carolina at Chapel Hill - Chapel Hill, NC, USA
High School Diploma in Physics, Biology, and Computer Science
North Carolina School of Science and Mathematics - Durham, NC, USA
Skills
Libraries/APIs
React, Node.js, Walmart API, Amazon API, Vue, REST APIs, Windows Forms (WinForms), jQuery, AWS Amplify, SQLAlchemy, Stripe API, Stripe, Chart.js
Tools
IntelliJ IDEA, Amazon EKS, Amazon CloudFront CDN, AWS CloudFormation, Amazon Elastic Container Service (ECS), AWS Fargate, Mailchimp, Auth0, Cron, Postman, Amazon CloudWatch, Amazon Cognito, Apache, Spreadsheets, Microsoft Excel, GitLab, Git, Amazon ElastiCache, Jira, Slack, Terraform, Celery, Figma, ELK (Elastic Stack), ChatGPT, Logstash, Kibana, Grafana
Languages
JavaScript, Java, GraphQL, SQL, TypeScript, Python, PHP, CSS, C#, HTML, Visual Basic for Applications (VBA), C, Embedded C, XML, Dart, Snowflake, Swift
Frameworks
React Native, Laravel, Spring, Express.js, Swagger, Symfony, Flutter, Redux, Tailwind CSS, Angular, .NET, .NET Core, Ruby on Rails (RoR), OAuth 2, Spring Security, Spring Boot, Spring MVC, Django, Ionic, Next.js, Electron
Paradigms
API Architecture, DevOps, Microservices, Mobile Development, Cross-platform, Event-driven Architecture, Unit Testing, Back-end Architecture, MEAN Stack, Microservices Architecture, Serverless Architecture, Functional Programming
Platforms
MacOS, iOS, Android, AWS Lambda, Amazon Web Services (AWS), Docker, Amazon EC2, Twilio, Kubernetes, Linux, Mobile, AWS Elastic Beanstalk, Google Cloud Platform (GCP), Bitrise, Azure, Windows, Visual Studio Code (VS Code), Firebase, Blockchain
Storage
Amazon S3 (AWS S3), Databases, PostgreSQL, JSON, MySQL, Data Integration, Amazon DynamoDB, Redis Cache, Redis, MongoDB, Elasticsearch, Amazon Aurora, NoSQL, Microsoft SQL Server, Data Pipelines, Azure Active Directory, Cloud Firestore, Google Cloud
Industry Expertise
Project Management, Marketing
Other
Algorithms, Software Development, System Design, Critical Thinking, Mathematics, Amazon RDS, Amazon Route 53, ECS, Cloud Architecture, Architecture, User Experience (UX), Full-stack, Back-end, Leadership, CI/CD Pipelines, APIs, Technical Writing, Mobile Apps, eCommerce, Startups, Admin Panels, Dashboards, Analytics, Front-end, SMS, Background Jobs, API Integration, Technical Leadership, Software Architecture, Software as a Service (SaaS), Cloud, WebSockets, Mobile App Development, Learning Management Systems (LMS), MERN Stack, Web Development, User Interface (UI), Design, Apple Numbers, Charity, Donations, Data Analysis, Excel Add-ins, GitOps, DevOps Engineer, Feasibility, Feasibility Studies, Solution Architecture, Data Visualization, Financial Data, Stock Market, Networks, Networking, Designing for Data, Cloud Platforms, Full-stack Development, Data Privacy, Private Clouds, SaaS, Amazon API Gateway, Integration Testing, Software, Back-end Development, Software Design, Team Leadership, Customer Relationship Management (CRM), Software QA, Architectural Patterns, SaaS Design, Cloud Patterns, Separation of Concerns (SoC), AWS Cloud Architecture, Web Scraping, Fintech, Data Science, Payment APIs, Data Engineering, Machine Learning Operations (MLOps), Workday, CRM APIs, CTO, Machine Learning, Smart Devices, Nonprofits, Business to Business (B2B), Telephony, Financial Modeling, Financing, Business Models, Artificial Intelligence (AI), Large Language Models (LLMs), OpenAI, EventBus, Sentiment Analysis, Online Dating, Internet of Things (IoT), CEO
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