Adam is available for hire
Hire AdamAdam Hanna
Verified Expert in Engineering
GIS Developer
Los Angeles, CA, United States
Toptal member since August 12, 2019
Bio
Adam is a full-stack developer who has spent the past seven years working primarily with startups. Adam brings a non-traditional background, coming from the world of consulting, and is a well-rounded professional with an MBA from Harvard Business School.
Portfolio
AlphaFocus Investment Research LLC
Python, R, Go, TypeScript, React, GraphQL, Relay, PostgreSQL...
Freelancer
React, JavaScript, GoLand, Go, Node.js, MongoDB, Apache Kafka...
Janie
TypeScript, React, OpenAI, Artificial Intelligence (AI)
Experience
- GIS - 12 years
- React - 8 years
- JavaScript - 7 years
- SQL - 7 years
- Node.js - 7 years
- PostgreSQL - 6 years
- TypeScript - 5 years
- Go - 5 years
Work Experience
CEO
2020 - PRESENT
AlphaFocus Investment Research LLC
- Developed and launched an unleveled, long US equities strategy that beat the S&P 500 by 18% in 2022.
- Created and launched three smart beta indices utilizing ARIMA + GARCH models on the Shenzhen Stock Exchange.
- Provided and launched an ARIMA + GARCH marketing-making trading algorithm on the DYDX distributed crypto exchange, which returned less than 20% in H2 2022.
Technologies: Python, R, Go, TypeScript, React, GraphQL, Relay, PostgreSQL, Amazon Web Services (AWS)
Web Developer
2018 - PRESENT
Freelancer
- Provided a crypto trading bot for a company with an ICO on a South Korean exchange.
- Developed data science tools for a company to analyze replenishment intervals.
- Built a Polkadot implementation for the Web3 Foundation in Go.
- Created algorithmic trading strategies for a hedge fund located in Hong Kong.
Technologies: React, JavaScript, GoLand, Go, Node.js, MongoDB, Apache Kafka, Amazon API Gateway, Amazon CloudFront CDN, Load Balancers, DNS, GraphQL, Front-end, Twilio, SMS, Amazon Web Services (AWS), HTML, CSS, APIs
Senior AI Engineer
2026 - 2026
Janie
- Architected and built a production real-time Voice AI telephony receptionist that handled 10,000+ patient calls in its first three months.
- Built post-call analysis and patient search algorithms with OpenAI and Anthropic large language models (LLMs).
- Built the platform’s observability and distributed tracing infrastructure, including Langfuse, enabling engineers to diagnose production failures, identify performance bottlenecks, and debug interactions across AI and application services.
- Developed Model Context Protocol (MCP) engineering tools that gave AI coding agents direct access to observability, distributed tracing, and debugging workflows, accelerating investigation of production issues.
Technologies: TypeScript, React, OpenAI, Artificial Intelligence (AI)
Senior Full-stack Developer
2024 - 2026
Kixie
- Diagnosed excessive Amazon RDS CPU utilization and database sessions caused by direct AWS Lambda connections; implemented Amazon RDS Proxy, reducing CPU load and session counts by more than 25%.
- Integrated the company’s Infrastructure as Code environment using AWS CDK with LocalStack and Docker Compose, enabling developers to run the complete cloud stack locally and introducing local testing and Puppeteer testing.
- Integrated Split.io feature flagging across front-end and back-end services, backed by Redis deployed to Kubernetes, reducing mean response time to bugs in the Chrome extension application from days to minutes.
Technologies: TypeScript, Amazon Web Services (AWS), React
Senior Blockchain Engineer
2023 - 2024
Quadrata
- Built a white-label integration portal enabling Web3-native companies to integrate their applications and services with the Quadrata Network.
- Developed an event-driven webhook system using Python, Flask, and AWS Lambda to deliver notifications when digital passports were minted or identity attributes changed.
- Built a full-stack customer dashboard for monitoring onboarded passports, on- and off-chain queries, and privacy-data consent.
Technologies: Ethererum, Blockchain, Python, React, TypeScript
Go Developer
2021 - 2022
Gartner - Digital Markets Engineering - Capitalizable
- Assisted with migrating all of Gartner's back-end systems away from PHP and MySQL to Go and Amazon AWS.
- Led the development of a JWT authentication system integrated with AWS Cognito and DynamoDB to protect Gartner's back-end resources.
- Onboarded a new junior dev straight out of a coding boot camp. Pairs programmed every day for more than one month and introduced the new dev to Gartner's systems.
Technologies: Go, React, TypeScript, Amazon DynamoDB, Amazon Web Services (AWS), MySQL, REST, HTML, CSS, APIs
Full-stack Developer
2020 - 2021
Crabel Operations, LLC
- Led the development of an alerts system that was adopted company-wide. Worked directly with senior leadership to define the problem, design a solution and finally implement the said solution in code.
- Routed tens of thousands of alerts per day to nearly 100 different employees across the company.
- Migrated existing alerts system away from Oracle DB to Amazon DynamoDB.
Technologies: TypeScript, REST, Node.js, JavaScript, HTML, CSS, APIs, Data Visualization, Financial Data, Fintech, Stock Market
React Developer
2019 - 2020
Coolfire Solutions
- Led the development of a new to-react relay-based front-end app. Developed the entirety of the relay ecosystem, which the rest of the team used for the development of the whole project.
- Worked directly with designers to implement hundreds of react components and pages to migrate their app away from V1 and to V2.
- Created a team of nearly ten front-end developers to successfully launch their v2 app to thousands of their paying customers.
Technologies: React, TypeScript, React Apollo, Relay, GraphQL, HTML, CSS, APIs
Senior Web Developer
2018 - 2018
CoinCircle
- Built oAuth 2.0 server to unify authentication across our many microservices and to allow our users to login using their credentials on other websites.
- Built a 0x compatible decentralized exchange.
- Built a rest API for the Ethereum blockchain, similar to Infura.
- Built a centralized exchange similar to ShapeShift.
- Wrote smart contracts to two ICOs.
Technologies: Blockchain, React, TypeScript, JavaScript, Go, Amazon Web Services (AWS), HTML, CSS, APIs, Fintech
Cofounder/CTO
2012 - 2017
Faze1
- Built a geospatial algorithm in python which used lidar data to estimate pitch, azimuth, and rooftop shading to ultimately calculate the IRR for solar panels.
- Bootstrapped business to more than $1 million in annual sales.
- Built an online portal for users to automatically launch facebook and direct mail marketing campaigns, complete with tracking phone numbers and custom landing pages.
Technologies: React, JavaScript, Go, Amazon API Gateway, Amazon CloudFront CDN, Load Balancers, DNS, Front-end, Amazon Web Services (AWS), CTO, HTML, CSS, APIs, Data Visualization
Web Developer
2015 - 2016
Virtudent
- Acted as the sole developer for Virtudent's MVP which allowed them to treat hundreds of patients and raise $2 million of seed capital.
- Worked directly with the CEO to transform product vision into a design and ultimately working technology.
- Aided in hiring the technical team including writing job posts, interviewing, and onboarding.
Technologies: JavaScript, Node.js, MongoDB, Front-end, HTML, CSS, APIs
Business Analyst
2012 - 2012
Pacific Gas & Electric
- Built price elasticity test to measure the effects of price changes on product purchases.
- Built hypothetical and empirical models to assess billing changes for thousands of customers for electric utility rate changes.
- Built pricing model in VBA to assess new electrical utility rate for electric vehicle owners.
Technologies: Visual Basic for Applications (VBA), Python, Data Visualization
Consultant
2008 - 2011
Black & Veatch
- Led the wind energy portion of the California Energy Commission's (CEC) Renewable Energy Transmission Initiative (RETI), which assessed available industrial-scale wind energy potential in the western United States, Canada, and Mexico.
- Led a market sizing study for a novel wind energy product for a large, multinational defense contractor.
- Led a team of nearly ten engineers on a project that provided typical CAPEX, OPEX, and revenue estimates for five hypothetical wind farms.
Technologies: Electrical Engineering, Data Visualization
Business Analyst
2008 - 2011
Black & Veatch
- Performed technical due diligence for M&A of more than $1 billion of wind farm assets.
- Developed a unique methodology for assessing wind energy potential over large geographic areas to support the California Energy Commission's 2020 goals of 20% renewable energy.
- Performed engineering design and design review of multiple substations and underground transmission systems.
Technologies: Visual Basic for Applications (VBA), Python, Data Visualization
Research Assistant
2006 - 2008
National Renewable Energy Lab
- Helped to set up, perform, and analyze efficiency tests for electrolyzers as a research assistant to a postdoc. Also assisted in designing, installing, and testing renewable energy in a compressed hydrogen storage system.
- Designed, developed, and built a buck converter for powering one of our electrolysis machines.
- Won the employee of the month Jan. 2008 award out of thousands of total employees.
Technologies: Electrical Engineering
Project History
Golkadot
https://github.com/opennetsys/golkadotPolkadot is a blockchain protocol invented, in part, by Dr. Gavin Wood - the co-founder of Ethereum.
I was selected by the Web3 Foundation to build the official Polkadot implementation in Go.
I was selected by the Web3 Foundation to build the official Polkadot implementation in Go.
Coincircle
https://coincircle.com/Coincircle's mission is to redefine the future of finance as decentralized, accessible, and open to the world through a simple, scalable, secure, and compliant blockchain platform.
Coincircle designs, engineers, markets, and sells digital assets for established companies and create technologies that enable them to seamlessly interact with the blockchain and integrate digital assets into their existing applications or businesses.
Coincircle designs, engineers, markets, and sells digital assets for established companies and create technologies that enable them to seamlessly interact with the blockchain and integrate digital assets into their existing applications or businesses.
Virtudent
Virtudent delivers on-site dental screenings and preventative dental care to businesses and their employees via our state-of-the-art pop-up dental clinics, which bring the dentist to you via telehealth technologies. Virtudent is offered as a service to corporations and organizations as a free way to increase health care benefits for employees and increase preventative care.
Education
2011 - 2016
Master's Degree in Business Administration
Harvard Business School - Massachusetts, USA
2004 - 2008
Bachelor's Degree in Electrical Engineering
Colorado School of Mines - Colorado, USA
Skills
Libraries/APIs
React, Node.js
Tools
GoLand, GIS, Amazon CloudFront CDN, React Apollo
Languages
Go, JavaScript, TypeScript, SQL, GraphQL, HTML, CSS, Python, Visual Basic for Applications (VBA), R
Platforms
Amazon Web Services (AWS), Blockchain, Linux, Apache Kafka, Twilio
Frameworks
Express.js, Next.js, Relay
Paradigms
Agile, REST
Storage
PostgreSQL, MongoDB, Elasticsearch, NoSQL, MySQL, Amazon DynamoDB
Other
APIs, Front-end, CTO, Data Visualization, Financial Data, Fintech, Stock Market, Electrical Engineering, Amazon API Gateway, Load Balancers, DNS, SMS, Ethererum, OpenAI, Artificial Intelligence (AI)
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