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Sergiy Korolov

Co-CEO of Railsware, a seasoned tech entrepreneur, a passionate promoter of product thinking and a proud father of three. I believe in the power of craft that creates digital solutions to change how businesses are managed. His Linkedin

handbook articles

Diversity and Inclusion at Railsware
January 23, 2025 6 min read
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Daria Roshchyna

Elen Tsarova

Railswarian’s Journey
August 12, 2024 2 min read
Bonuses & Benefits
August 12, 2024 2 min read
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Daria Roshchyna

Collaborative Hiring Process
August 12, 2024 2 min read
Building Connections
July 15, 2024 2 min read
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Elen Tsarova

Reasons to Join Us
July 11, 2024 2 min read
How We Organize Work
July 11, 2024 7 min read
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Daria Roshchyna

How We Do Business
July 10, 2024 8 min read
Mission, Strategy, and Values
July 8, 2024 3 min read
How It All Started
July 8, 2024 4 min read

blog articles

Railsware survey reveals emerging tech micro-hubs in the USA
Sergiy Korolov

Sergiy Korolov

  • Insights

Railsware survey reveals emerging tech micro-hubs in the USA
April 21, 2026 4 min read
Full Guide on How to Build an MVP
Sergiy Korolov

Sergiy Korolov

  • Insights

Full Guide on How to Build an MVP
March 6, 2025 10 min read
What Makes for a Great Development Culture [Upd]
Sergiy Korolov

Sergiy Korolov

  • Insights

What Makes for a Great Development Culture [Upd]
January 21, 2025 11 min read
Product Development Strategy Explained
Sergiy Korolov

Sergiy Korolov

  • Insights

Product Development Strategy Explained
September 12, 2025 13 min read
New Product Development Process by Railsware
Sergiy Korolov

Sergiy Korolov

  • Insights

New Product Development Process by Railsware
October 22, 2024 11 min read
Product Development Life Cycle
Sergiy Korolov

Sergiy Korolov

  • Insights

Product Development Life Cycle
September 30, 2025 12 min read
What Makes Product Development Lean
Sergiy Korolov

Sergiy Korolov

  • Insights

What Makes Product Development Lean
April 7, 2025 12 min read
Product Studio – the Next Generation of the Software Development Companies
Sergiy Korolov

Sergiy Korolov

  • Insights

Product Studio – the Next Generation of the Software Development Companies
November 24, 2021 6 min read
Business Model Canvas Explained – a One-Page Business Plan
Sergiy Korolov

Sergiy Korolov

  • Insights

Business Model Canvas Explained – a One-Page Business Plan
February 21, 2024 7 min read
Mobile App Development Approaches Explained
Sergiy Korolov

Sergiy Korolov

  • Insights

Mobile App Development Approaches Explained
April 23, 2026 6 min read
Product Development Roadmap – Your Guide Through the Product Strategy
Sergiy Korolov

Sergiy Korolov

  • Insights

Product Development Roadmap – Your Guide Through the Product Strategy
January 22, 2025 10 min read
Digital Product Development – Everything You Need To Know
Sergiy Korolov

Sergiy Korolov

  • Insights

Digital Product Development – Everything You Need To Know
July 22, 2025 11 min read
Should You Consider Ruby on Rails for E-Commerce Development?
Sergiy Korolov

Sergiy Korolov

  • Insights

Should You Consider Ruby on Rails for E-Commerce Development?
March 17, 2026 9 min read
MoSCoW Method: How to Make the Best of Prioritization
Sergiy Korolov

Sergiy Korolov

  • Insights

MoSCoW Method: How to Make the Best of Prioritization
March 14, 2023 11 min read
Lean Canvas Examples of Multi-Billion Startups
Sergiy Korolov

Sergiy Korolov

  • Insights

Lean Canvas Examples of Multi-Billion Startups
January 21, 2025 8 min read
Best Examples of React Native Apps
Sergiy Korolov

Sergiy Korolov

  • Insights

Best Examples of React Native Apps
August 20, 2024 7 min read
Minimum Viable Product: Common MVP Misconceptions That May Lead You off Track
Sergiy Korolov

Sergiy Korolov

  • Insights

Minimum Viable Product: Common MVP Misconceptions That May Lead You off Track
January 31, 2025 14 min read
Where in London Lies the Biggest Potential for AI Innovations?
Sergiy Korolov

Sergiy Korolov

  • Insights

Where in London Lies the Biggest Potential for AI Innovations?
May 15, 2026 16 min read
A Full Guide on Startup Metrics for Product Success
Sergiy Korolov

Sergiy Korolov

  • Insights

A Full Guide on Startup Metrics for Product Success
April 2, 2026 20 min read
Value Proposition Canvas – Understand Your Customers
Sergiy Korolov

Sergiy Korolov

  • Insights

Value Proposition Canvas – Understand Your Customers
February 20, 2025 10 min read
Lean Canvas – a Tool Your Startup Needs Instead of a Business Plan
Sergiy Korolov

Sergiy Korolov

  • Insights

Lean Canvas – a Tool Your Startup Needs Instead of a Business Plan
April 19, 2023 9 min read
Ionic vs. React Native…or May Be Flutter to Build a Mobile App?
Sergiy Korolov

Sergiy Korolov

  • Insights

Ionic vs. React Native…or May Be Flutter to Build a Mobile App?
August 12, 2021 10 min read
Ruby on Rails for FinTech Products. Is It a Fit for Your Startup?
Sergiy Korolov

Sergiy Korolov

  • Insights

Ruby on Rails for FinTech Products. Is It a Fit for Your Startup?
July 17, 2025 8 min read
T-shaped Skills in Product Development
Sergiy Korolov

Sergiy Korolov

  • Insights

T-shaped Skills in Product Development
June 18, 2025 6 min read
Quality Assurance: How to Reduce Manual Testing during Application Development
Sergiy Korolov

Sergiy Korolov

  • Insights

Quality Assurance: How to Reduce Manual Testing during Application Development
January 23, 2024 3 min read
Node.js Hosting Services for Your App
Sergiy Korolov

Sergiy Korolov

  • Insights

Node.js Hosting Services for Your App
April 15, 2026 13 min read
How to Hire Good Ruby on Rails Developer
Sergiy Korolov

Sergiy Korolov

  • Insights

How to Hire Good Ruby on Rails Developer
March 6, 2026 7 min read
How we manage a distributed company efficiently
Sergiy Korolov

Sergiy Korolov

  • Insights

How we manage a distributed company efficiently
February 28, 2024 4 min read
New offices, new chapter.
Sergiy Korolov

Sergiy Korolov

  • Insights

New offices, new chapter.
August 16, 2021 1 min read
Zero deploy – speed up your deployment
Sergiy Korolov

Sergiy Korolov

  • Insights

Zero deploy – speed up your deployment
August 16, 2021 1 min read
PivotalBooster version 1.1.0.beta – what’s new?
Sergiy Korolov

Sergiy Korolov

  • Insights

PivotalBooster version 1.1.0.beta – what’s new?
August 16, 2021 2 min read
Notification Monitor
Sergiy Korolov

Sergiy Korolov

  • Insights

Notification Monitor
August 16, 2021 2 min read

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