Name: Sergey Todyshev
Email: stodyshev@gmail.com
LinkedIn: linkedin.com/in/sergeytodyshev
GitHub: github.com/sergeyt
WebSite: sergeyt.dev
Blog: tsvbits
Updated: April 5, 2025

About

I’m a passionate engineer with 20+ years of experience delivering scalable software—from AI-powered applications to cloud-native systems. I thrive on solving complex problems and crafting elegant solutions that make life easier for users and teams alike.

Technical Expertise

• Strong foundation in software architecture, system design, and performance optimization
• In-depth understanding of software development lifecycle and enterprise-grade systems
• Full-stack development experience across front-end and back-end
• Proficient in cross-platform development (Windows, Linux, macOS)
• Experienced in building high-performance, scalable, and multi-threaded applications
• Comfortable working across both statically and dynamically typed languages as a true programming polyglot
• Familiar with modern DevOps practices including CI/CD pipelines and automation
• Skilled in working with a variety of databases and data modeling approaches
• Experience with test automation and quality assurance frameworks
• Practical knowledge in integrating and developing AI-powered applications

Languages

• English - B2+ IELTS Academic, 2019
• Russian - Native Speaker

Core values

• Relationships matter
• Solve for the customer
• Playful enthusiasm

Education

Master’s Degree | Novosibirsk State University Sep 1999 – Jun 2004

• Faculty: Information Technologies
• GPA: 4.0+
• Focus: Computers, Complexes, Systems, and Networks

PhD Student | Institute of IAE, Novosibirsk Jun 2004 – Aug 2007

Accomplishments:

• Modernized software for Circle Laser Writing Systems (CLWS)
• Implemented hardware abstraction layers for CLWS
• Implemented client/server architecture and built desktop user interfaces using C++ MFC and C# WinForms
• Created tools for interferometry and tomography (voxcat)

Professional Experience Jan 2002 - now

Senior Software Engineer | REGIE.AI Oct 2020 – now

• Designed and built AI-powered productivity tools tailored for salespeople
• Key contributor to the architecture and implementation of Co-pilot and Auto-pilot features
• Collaborated cross-functionally with product, design, and research teams to deliver end-to-end solutions
• Helped increase Co-pilot adoption by 40% through performance and UX enhancements
• Continuously improved system reliability, scalability, and code quality across services
• Team size: 10+ (distributed team)
• Tools: NodeJS, NestJS, TypeScript, React, Jest, Webpack, AWS, MongoDB, Metabase

Tech Lead | GrapeCity Oct 2018 - Oct 2020

• Directed development of DataViewsJS - a JavaScript data presentation platform
• Modernized architecture, tooling, and automated testing frameworks
• Led WebAssembly research using Rust to enhance spreadsheet features
• Team size: 7 (distributed team)
• Tools: NodeJS, ExpressJS, TypeScript, React, Angular, VueJS, Jest, Webpack, GulpJS

Tech Lead | Xored Jan 2016 - Jun 2018

• Led a team of 10-15 engineers for Spirent Veclity, a lab automation platform
• Resolved customer-facing scalability issues and provided direct client support
• Collaborated with product owners to address business challenges effectively
• Team size: 20+ (distributed team)
• Tools: Java, PostgreSQL, ElasticSearch, WildFly, Apache Kafka, ReactJS, AngularJS, Python, Golang

Full-Stack Software Engineer | DataWorks Jun 2007 - Jan 2016

• Improved report rendering performance by 10x in legacy systems
• Principal author of PageFX compiler, enabling multi-platform report viewing
• Team size: 20+ (distributed team)
• Tools: C#, .NET, WinForms, JavaScript, ReactJS, Knockout, jQuery, Microsoft SQL Reporting Services

Software Engineer | IAE Jun 2002 - Aug 2007

• Developed automated laser writing systems
• Developed computer-aided tools for laser writing and analysis
• Team size: 3+
• Tools: C++, Windows DDK, C#, WinForms

Highlighted Projects

• Regie.ai – Contributed to AI-powered sales tools transforming how GTM teams automate outreach and boost productivity.
• ActiveReports - Flagship reporting platform evolving last 20 years. Proud to have contributed especially in optimization initiatives here.
• Spirent Velocity – Lab automation platform for testing and simulation. This was the largest project I’ve worked on.
• PageFX - Open-source cross-platform compiler from dotnet to flash player binary code.

Full Project List

Key Achievements

• Built and optimized REST APIs serving 1M+ users
• Optimized report rendering engine time by 10x in legacy systems
• Modernized JavaScript framework for enterprise-grade spreadsheet engine

References

Available upon request:

• Scott Willeke (scott@willeke.com)
• Oleg Zaimkin (oleg.zaimkin@grapecity.com)
• Yuriy Kashnikov (yuriy.kashnikov@protonmail.com)

Hobbies

• Table tennis
• Travelling with family
• Open Source contribution