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Sergey Nikonenko

COO
9 years at Purrweb
65 apps from idea to release

Sergey was the first account manager at Purrweb and in 9 years he created the entire department of 8 specialists. He established an internal process from the first reply to the client’s support after several years of working together.

Sergey is a COO now. He monitors all stages of working with clients, sets up strategies for departments’ development and negotiates with key clients of the company.

During those 9 years, Sergey worked with over 300 projects of different scale and each of them had its own technical or business specifics. That’s why Sergey likes to write case studies. In those he describes the business goals of the projects, concrete solutions we used, problems and solutions, final results and indicators, as well as plans for further development .

Articles by Sergey Nikonenko
Kraster Wallet: How We Developed and Released a Crypto Wallet with an NFC Card
Kraster Wallet: How We Developed and Released a Crypto Wallet with an NFC Card
How to Create an Inventory System: Features, Steps, and Costs
How to Create an Inventory System: Features, Steps, and Costs
Software QA Outsourcing: Models, Benefits, Costs, and Risks
Software QA Outsourcing: Models, Benefits, Costs, and Risks
Top 10 Web Development Companies in Los Angeles
Top 10 Web Development Companies in Los Angeles
Top 10 Software Development Companies in Dallas in 2026
Top 10 Software Development Companies in Dallas in 2026
Top Software Development Companies in Chicago in 2026
Top Software Development Companies in Chicago in 2026
Best Web Design Agencies in California for 2026
Best Web Design Agencies in California for 2026
10 Best Software Development Companies in Los Angeles in 2026
10 Best Software Development Companies in Los Angeles in 2026
Top Custom Software Development Companies in California
Top Custom Software Development Companies in California
Best 10 Mobile App Development Companies in Toronto
Best 10 Mobile App Development Companies in Toronto
Top Mobile App Development Companies in Germany
Top Mobile App Development Companies in Germany
Top 10 Web Development Companies in Germany (2026)
Top 10 Web Development Companies in Germany (2026)
Top Web Development Companies in Toronto to Consider in 2026
Top Web Development Companies in Toronto to Consider in 2026
10 Mobile App Development Companies in Singapore to Know in 2026
10 Mobile App Development Companies in Singapore to Know in 2026
Top 10 Web Design Agencies in Canada
Top 10 Web Design Agencies in Canada
Best Web Development Companies in Canada for 2026
Best Web Development Companies in Canada for 2026
How Much Does It Cost to Build a SaaS Product in 2026?
How Much Does It Cost to Build a SaaS Product in 2026?
Generative Artificial Intelligence in Healthcare: Use Cases and Implementation Guide
Generative Artificial Intelligence in Healthcare: Use Cases and Implementation Guide
What Is SaaS MVP Development? A Founder’s Guide
What Is SaaS MVP Development? A Founder’s Guide
A Clear Path to the Perfect Pair of Glasses: How We Designed a Marketplace for a Nationwide Eyewear Chain
A Clear Path to the Perfect Pair of Glasses: How We Designed a Marketplace for a Nationwide Eyewear Chain
Outsourcing SaaS Development: A Decision-Maker’s Guide
Outsourcing SaaS Development: A Decision-Maker’s Guide
Digital Transformation in Healthcare: Strategy, Benefits, and Examples
Digital Transformation in Healthcare: Strategy, Benefits, and Examples
How AI Chatbots Are Used in Healthcare: Benefits and Risks
How AI Chatbots Are Used in Healthcare: Benefits and Risks
How to Outsource Healthcare Software Development
How to Outsource Healthcare Software Development
Top 10 Mobile App Development Companies in Canada in 2026
Top 10 Mobile App Development Companies in Canada in 2026
Health Insurance Software Development: A Practical Guide
Health Insurance Software Development: A Practical Guide
mHealth App Development: Types, Features, Process, and Cost
mHealth App Development: Types, Features, Process, and Cost
Robotic Process Automation in Healthcare: Use Cases, Benefits, and How to Implement It
Robotic Process Automation in Healthcare: Use Cases, Benefits, and How to Implement It
Medical Web Development: How to Build a Secure, HIPAA-Compliant Healthcare Website
Medical Web Development: How to Build a Secure, HIPAA-Compliant Healthcare Website
Patient Portal Software Development: A Guide for Healthcare Providers
Patient Portal Software Development: A Guide for Healthcare Providers
Healthcare SaaS Explained: Types, Benefits, and How to Build One
Healthcare SaaS Explained: Types, Benefits, and How to Build One
Top Web Design Companies in Toronto to Consider in 2026
Top Web Design Companies in Toronto to Consider in 2026
Top Web Design Companies in Vancouver
Top Web Design Companies in Vancouver
Best Web Design Companies in Singapore for 2026
Best Web Design Companies in Singapore for 2026
Top 10 Software Development Companies in Singapore in 2026
Top 10 Software Development Companies in Singapore in 2026
Top 10 Software Development Companies in Canada in 2026
Top 10 Software Development Companies in Canada in 2026
Top 10 Healthcare App Development Companies in 2026
Top 10 Healthcare App Development Companies in 2026
Top 10 IoT App Development Companies in 2026
Top 10 IoT App Development Companies in 2026
Top 10 SaaS Development Companies to Watch in 2026
Top 10 SaaS Development Companies to Watch in 2026
Top 10 Web Development Companies in Singapore in 2026
Top 10 Web Development Companies in Singapore in 2026
Top Cross-Platform App Development Companies in 2026
Top Cross-Platform App Development Companies in 2026
10 Best Fintech App Development Companies in 2026
10 Best Fintech App Development Companies in 2026
How to Build a P2P Lending Platform: Features, Costs, and Timeline
How to Build a P2P Lending Platform: Features, Costs, and Timeline
DevOps in Banking: A Practical Guide to CI/CD & DevSecOps
DevOps in Banking: A Practical Guide to CI/CD & DevSecOps
Best Insurance Software Development Companies to Hire in 2026
Best Insurance Software Development Companies to Hire in 2026
Top Smart Contract Development Companies to Hire in 2026
Top Smart Contract Development Companies to Hire in 2026
10 Best AI Development Companies in the US to Hire in 2026
10 Best AI Development Companies in the US to Hire in 2026
Web3 Wallet Development: How to Build a Secure Wallet from Scratch
Web3 Wallet Development: How to Build a Secure Wallet from Scratch
How Much Does It Cost to Develop a Crypto Wallet App in 2026?
How Much Does It Cost to Develop a Crypto Wallet App in 2026?
How Much Does It Cost to Build a Neobank in 2026?
How Much Does It Cost to Build a Neobank in 2026?
How Much Does It Cost to Build a Crypto Exchange in 2026?
How Much Does It Cost to Build a Crypto Exchange in 2026?
How to Build a Crowdfunding Website: Types, Features, and Cost
How to Build a Crowdfunding Website: Types, Features, and Cost
Financial Data Analytics in Fintech: A Guide for Founders and CTOs
Financial Data Analytics in Fintech: A Guide for Founders and CTOs
How Much Does It Cost to Build a Blockchain App in 2026?
How Much Does It Cost to Build a Blockchain App in 2026?
How to Start a Crypto Exchange: A Step-by-Step Guide
How to Start a Crypto Exchange: A Step-by-Step Guide
Fintech SaaS Explained: Types, Benefits, and Real Examples
Fintech SaaS Explained: Types, Benefits, and Real Examples
Private Blockchain Development: A Step-by-Step Guide
Private Blockchain Development: A Step-by-Step Guide
How to Build a Crypto Banking App: Architecture & Compliance
How to Build a Crypto Banking App: Architecture & Compliance
Automation in Insurance Industry: What to Automate & Build
Automation in Insurance Industry: What to Automate & Build
How to Integrate a Payment Gateway into Your App
How to Integrate a Payment Gateway into Your App
Banking Software Development Companies: How to Pick the Right Partner in 2026
Banking Software Development Companies: How to Pick the Right Partner in 2026
Robotic Process Automation in Banking: Use Cases, Benefits & Implementation Guide
Robotic Process Automation in Banking: Use Cases, Benefits & Implementation Guide
AI in Fintech: How It Works, Key Use Cases, and Benefits
AI in Fintech: How It Works, Key Use Cases, and Benefits
How to Build Wealth Management Software: Features, Types & Cost
How to Build Wealth Management Software: Features, Types & Cost
EMR vs EHR: What's the Difference and Why It Matters
EMR vs EHR: What's the Difference and Why It Matters
How to Build an EHR System: A 2026 Guide to Modules, ONC Certification, and Cost
How to Build an EHR System: A 2026 Guide to Modules, ONC Certification, and Cost
EHR Integration: Methods, Costs, and How to Build One That Works
EHR Integration: Methods, Costs, and How to Build One That Works
How Custom Web Application Development Works: Process, Cost, and Team Structure (2026 Guide)
How Custom Web Application Development Works: Process, Cost, and Team Structure (2026 Guide)
Top 10 Fintech Consulting Companies in 2026
Top 10 Fintech Consulting Companies in 2026
RPA in Finance: A Practical Guide to Use Cases, Benefits, and Implementation
RPA in Finance: A Practical Guide to Use Cases, Benefits, and Implementation
Best Web Design Companies in London for Startups and Creative Brands
Best Web Design Companies in London for Startups and Creative Brands
How to Build Banking Software: Process, Compliance & Costs
How to Build Banking Software: Process, Compliance & Costs
Cybersecurity in Fintech: How to Protect Financial Data
Cybersecurity in Fintech: How to Protect Financial Data
10 Banking Trends Reshaping Digital Finance in 2026
10 Banking Trends Reshaping Digital Finance in 2026
Bank Website Design: Key Elements for a High-Converting Financial Site
Bank Website Design: Key Elements for a High-Converting Financial Site
10 Best Web Development Companies in London You Should Know in 2026
10 Best Web Development Companies in London You Should Know in 2026
10 Best Mobile App Development Companies in London
10 Best Mobile App Development Companies in London
Top Software Development Companies in Dubai, UAE
Top Software Development Companies in Dubai, UAE
Top 10 Software Development Companies in the UK in 2026
Top 10 Software Development Companies in the UK in 2026
How to Build a Digital Wallet App
How to Build a Digital Wallet App
Medical Speech Recognition: Uses, Benefits, and EHR Integration
Medical Speech Recognition: Uses, Benefits, and EHR Integration
Top Web Design Companies in Dubai: Leading Website Design Agencies in 2026
Top Web Design Companies in Dubai: Leading Website Design Agencies in 2026
Top Web Development Companies in the UAE (Top Ranked List)
Top Web Development Companies in the UAE (Top Ranked List)
Top 10 Most Promising Healthcare Business Ideas for 2026
Top 10 Most Promising Healthcare Business Ideas for 2026
Healthcare cloud solutions: guide for startups, clinics, and digital products
Healthcare cloud solutions: guide for startups, clinics, and digital products
How Much Does it Cost to Make an App in the UK: 2026 Guide
How Much Does it Cost to Make an App in the UK: 2026 Guide
How Much Does Web3 Development Cost in 2026? A Guide for Founders, Startups & CTOs
How Much Does Web3 Development Cost in 2026? A Guide for Founders, Startups & CTOs
Audiobooks on TV: Developed a Smart TV App for an E-Book Service. Case Study
Audiobooks on TV: Developed a Smart TV App for an E-Book Service. Case Study
Created Some Buzz: Helped a Startup Launch an App for Finding and Organizing Events in American Towns
Created Some Buzz: Helped a Startup Launch an App for Finding and Organizing Events in American Towns
When the Interface Itself Is a Gift: Design Concept for a Flower Delivery App
When the Interface Itself Is a Gift: Design Concept for a Flower Delivery App
Virtual Reality in Healthcare: Applications, Benefits, and Costs (2026)
Virtual Reality in Healthcare: Applications, Benefits, and Costs (2026)
Best Mobile App Development Companies in Dubai, UAE
Best Mobile App Development Companies in Dubai, UAE
Web Design Agencies Los Angeles: Top Studios Ranked 2026
Web Design Agencies Los Angeles: Top Studios Ranked 2026
How to Build a Payment Processing App: Key Steps in Payment App Development
How to Build a Payment Processing App: Key Steps in Payment App Development
Taxi Booking App Development Cost: A Complete Guide to Building Uber-like Apps in 2026
Taxi Booking App Development Cost: A Complete Guide to Building Uber-like Apps in 2026
How We Created Freelife — a MedTech App for Blood Glucose Monitoring. Case Study
How We Created Freelife — a MedTech App for Blood Glucose Monitoring. Case Study
How To Hire Node.js Developer: Tips For Business Owners
How To Hire Node.js Developer: Tips For Business Owners
10 Creative Denver Web Design Companies, Reviewed
10 Creative Denver Web Design Companies, Reviewed
Web App Development Cost: Detailed Breakdown by Stages, Team, and Scope
Web App Development Cost: Detailed Breakdown by Stages, Team, and Scope
Mobile App Development Atlanta: Top-Rated Companies to Consider
Mobile App Development Atlanta: Top-Rated Companies to Consider