Andrew Orsich
Verified Expert in Engineering
Full-stack Developer
Lisbon, Portugal
Toptal member since September 5, 2014
With 18 years in startups, Andrew has excelled as an engineer, CTO, and technical product manager. He's led large teams, driving companies like TheraNest to successful exits. Andrew co-founded Auxilin, launching products like Maqpie.com and Homehug.ai. His expertise spans engineering, product development, and marketing, with a passion for solving complex problems through software.
Portfolio
Experience
- Full-stack - 16 years
- Node.js - 11 years
- Amazon - 10 years
- React - 9 years
- PostgreSQL - 7 years
- Next.js - 4 years
- Artificial Intelligence (AI) - 4 years
- OpenAI - 4 years
Preferred Environment
MacOS, Serverless, TypeScript, React, Next.js, Vercel, Amazon, Docker, Cursor AI
The most amazing...
...thing I've done was serve as an engineer and head a team during the growth stage of a company named TheraNest, which was sold for $1.2 billion.
Work Experience
CTO
Printer LLC
- Developed an MVP of an AI agent for marketing agencies, which helps send replies and generate emails, VSL, and ads.
- Created RAG pipeline, including complex ingestion pipeline with topics clustering and mixed dense/sparse search for the best RAG performance.
- Built a simple evaluation system to evaluate the correctness of agent replies.
CTO
Lighthouse
- Collaborated with the founders on merging multiple teams and ensuring smooth product growth. Led the migration to Amazon EKS and managed the engineering team.
- Participated in merging with the acquired company, Umovefree.com.
- Helped design and build the data pipeline. Learned and helped improve search engine optimization (SEO).
Technical Product Manager
Auxilin
- Launched marketing automation product Funnelfly, which enabled customers to send mass email and messaging campaigns.
- Launched a small product, Maqpie.com, used daily by 20,000 users.
- Launched a small mobile development studio that created 11 apps in 2024.
Lead Engineer | Technical Product Manager
Paralect
- Participated as a team leader or architect in 5+ startups—three of which passed an exit: ChatPath, Robomongo, and TheraNest.
- Built two new technological departments over the past five years and helped grow the total number of employees to over 50.
- Created and open-sourced a product called Ship that is used to initiate a startup in minutes (Github.com/paralect/ship).
Software Developer
SaM Solutions
- Handled the synchronization of two massive SQL databases.
- Wrote detailed technical specifications for the product.
- Developed numerous custom controls using jQuery and Ajax.
Experience
Cashback on Rent | AI Chatbot
https://lighthouse.app/As a CTO, I managed a team of about eight engineers and worked with the code every day.
As part of an AI research product, I built a chatbot that enabled people to search for places to rent with AI.
AI Tech Stack for Efficient On-brand Content
https://copysmith.ai/TheraNest
I was the first developer of the company and worked on a product for around a year. During this year, we released an MVP and number of releases, built a team of 5+ engineers, and helped the product to grow from 0 to around 500 paid companies.
ChatPath
https://dashboard.chatpath.com/onboarding/signinOnline Freelance Marketplace
https://golance.com/SpeakUp
https://getspeakup.com/mPowering Networks
I helped launch the MVP of the personal finance management platform and worked as a lead .NET engineer for two years.
Education
Master of Science Degree in Computer Science
Belarusian National Technical University - Minsk, Belarus
Certifications
M102: MongoDB for DBAs (MongoDB)
MongoDB, Inc.
Skills
Libraries/APIs
React, React Redux, Chai, Node.js, OpenAI API, REST APIs, Backbone.js, Stripe, Twilio API, Facebook API
Tools
Docker Hub, Ansible, GitHub, Jira, Google Kubernetes Engine (GKE)
Languages
JavaScript, C#, TypeScript, SQL, Transact-SQL (T-SQL), ECMAScript (ES6), Snowflake
Frameworks
Koa, Redux, .NET, ASP.NET MVC, AngularJS, Express.js, ASP.NET Web API, Next.js, Knockout (Knockout.js), Tailwind CSS, NestJS
Paradigms
Continuous Integration (CI), Search Engine Optimization (SEO), Continuous Deployment, Web Performance Optimization (WPO)
Platforms
Amazon, OS X, Docker, DigitalOcean, Kubernetes, Vercel, Linux, AWS Lambda, MacOS, Visual Studio Code (VS Code), Amazon Web Services (AWS), Apache Kafka
Storage
NoSQL, MongoDB, Redis, MySQL, Google Cloud, PostgreSQL
Other
Scalability, OpenAI, Artificial Intelligence (AI), APIs, Back-end, Full-stack, Full-stack Development, Front-end Architecture, SSG, Software Architecture, Web Scalability, Lazy Loading, Application State Management, Serverless, Large Language Models (LLMs), Caching, Static Site Generators, Supabase, Customer.io, Metabase, Data Warehousing, Development, SaaS, Cursor AI, A/B Testing, Leadership, Server-side Rendering (SSR), Core Web Vitals, CTO, AI Agents, Scalable Vector Databases, Retrieval-augmented Generation (RAG), CI/CD Pipelines
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