
Boris Sedov
Verified Expert in Engineering
Full-stack Developer
Prague, Czech Republic
Toptal member since March 19, 2018
For the past ten years, Boris has worked as a full-stack developer using ASP.NET, Ruby on Rails, iOS, and Swift technologies and has mainly worked with enterprises and startups. He has worked as an outsourcer for the past five years. He is also an eCommerce framework expert specializing in payment system architecture design. Boris has been certified as a nopCommerce developer and has worked as a team lead in the Nop.ROCKS company.
Portfolio
Experience
- .NET - 12 years
- C# - 10 years
- eCommerce - 9 years
- ASP.NET - 9 years
- NopCommerce - 7 years
- Internet of Things (IoT) - 5 years
- ASP.NET Core - 4 years
- DeepSeek - 1 year
Availability
Preferred Environment
Git, JetBrains Rider, MacOS, Visual Studio
The most amazing...
...app I've built is an augmented reality applications framework for one of the biggest smart home companies in the US.
Work Experience
Lead Developer and Co-founder
Rockbeam Software Solutions
- Spearheaded the development of high-performance enterprise software using ASP.NET Core and SQL Server, ensuring seamless functionality for thousands of concurrent users.
- Architected a scalable, high-availability cloud infrastructure, improving system reliability and reducing downtime by 30%.
- Optimized big data processing pipelines, reducing query execution time by 60% and improving response speed for mission-critical applications.
- Led a team of six developers, implementing Agile workflows that increased sprint efficiency by 20%.
CTO
SmartFeed
- Orchestrated end-to-end product development for Smartfeed, an intelligent content curation platform, resulting in a 3x increase in user engagement.
- Designed and implemented a cloud-based architecture on AWS, optimizing server costs by 40% while maintaining high availability.
- Led a cross-functional team of developers, designers, and product managers, introducing Agile methodologies that improved feature delivery speed by 30%.
- Developed robust API integrations to enhance platform interoperability with external data sources, increasing system efficiency by 25%.
Full-stack AR Developer
Fast Rope Labs
- Designed and developed multiple AR prototypes for interior design, smart home automation, and real estate visualization, enhancing user engagement by 70%.
- Implemented AR-based real-time furniture placement, allowing users to visualize home decor with millimeter accuracy, reducing purchase hesitation by 40%.
- Integrated AWS Cloud rendering and WebSockets, enabling interactive multi-user AR experiences across mobile and tablet devices.
- Developed gesture-based UI interactions using Swift, improving accessibility and making AR applications more intuitive for non-tech-savvy users.
Senior Developer
Appsitude
- Developed full-stack web and mobile applications using Ruby on Rails, React, Node.js, PostgreSQL, MySQL, MongoDB, HTML5, JavaScript, CSS3, and Swift.
- Deployed and configured server environments, including AWS EC2, Compose.io, and Galaxy.
- Designed and built APIs namely with Ruby on Rails, Node.js, and Express.js.
Lead Developer | CTO
Liferevs
- Developed full-stack web eCommerce applications using ASP.NET, SQL Server, HTML5, JavaScript, CSS3, Swift, and Java.
- Deployed and configured server environments (Azure).
- Built mobile applications using Windows Universal, Swift, and Java.
Senior Developer | Team Lead | E-wallet and Payment Systems Architect
Finars Bank (ComePay)
- Guided the complete redesign of the existing system architecture, introducing a JSON-based REST API that streamlined communication between physical terminals, the new Comepay Wallet, and back-office components.
- Built the Comepay Wallet, enabling users to top up accounts via cash in terminals or online card payments. Architected peer-to-peer wallet transfers and instant transaction updates.
- Led the integration and development of iOS and Android apps, ensuring secure, user-friendly mobile payments and transfers.
- Implemented an advanced admin panel with robust search and filtering capabilities, allowing staff to efficiently query billions of transaction records.
- Connected the wallet to major global payment providers (e.g., Western Union and MoneyGram), expanding service offerings and driving new revenue channels.
- Mentored developers, established Agile processes, and ensured compliance with banking and security standards—scaling the platform to handle millions of daily transactions.
Middle Developer
Comepay
- Built up the web back end (ASP.NET Web Forms, ASP.Net MVC) and front-end (HTML5, CSS3, JavaScript, jQuery, and jQuery UI).
- Developed software (WPF, Windows Services), databases (SQL Server), and APIs (SOAP).
- Deployed and configured server environments (AWS EC2, Windows Server, and IIS).
Senior Developer
Tehnosfera
- Developed and supported the company site (PHP, MySQL, HTML, CSS, and JavaScript).
Junior Developer
Rockbeam Software Solutions
- Worked on eCommerce, web, and mobile development.
- Built the web back-end (ASP.NET Web Forms, ZNode framework) and front-end (HTML, CSS, and JavaScript).
- Developed databases (SQL Server).
- Deployed and configured server environments (Windows Server, IIS).
Diagnostician, Engine Control Systems
Avtomaximum
- Applied and developed a car diagnosis system.
Junior Developer
IT Marketing Solutions
- Created and supported web applications.
- Built databases (MySQL).
- Deployed and configured the server environments (Linux).
- Developed the back-end (PHP, Symfony framework) and front-end (HTML, CSS, and JavaScript).
Experience
Husar's Jewellery Store
http://www.husars.comLead Developer at Rightangled
https://rightangled.comNopCommerce Store for a Promotional Products Business
http://www.promotionpros.comSr. .NET Developer, Project Architect, DevOps at Mario Badescu Skin Care
https://www.mariobadescu.comI also designed a custom ERP architecture leveraging nopCommerce’s core, supporting a 30-year legacy database archive and incorporating Elasticsearch for high-speed queries. This ERP provided unique fulfillment, POS, and reporting capabilities while integrating Clover POS, Shippo, Authorize.NET, Amazon, and Shopify.
As sales and traffic soared—driven by optimized promotions and upgraded infrastructure—I shifted the front-end to a Shopify headless setup for better scalability and cost-effectiveness. I rebuilt the custom theme and developed apps for promotions, checkout, and gift card management, maintaining a responsive, high-performing eCommerce experience.
AR Development for Powermove | AI Home Workouts
https://apps.apple.com/us/app/powermove-a-i-home-workouts/id1506826636• Integrated Core ML and ARKit, allowing the app to analyze body movements without external sensors, improving workout efficiency and reducing injury risks.
• Led the implementation of a cloud-based AWS Lambda architecture, enabling seamless on-device processing and AI model updates without disrupting user experience.
• Worked with a Toptal team of developers and designers, ensuring an intuitive UI/UX and robust machine-learning model deployment.
Development of Award Winning Game "Minister of Truth. Propagandist simulator" #GlobalGameJam2025
https://globalgamejam.org/games/2025/minister-truth-2I contributed as the software engineer, leveraging .NET 8, Blazor, and Azure OpenAI to create a dynamic and immersive gameplay experience. The game explores the theme of social and informational bubbles, combining humor, strategy, and AI-driven interactions to engage players. I delivered a high-performance, innovative solution under tight deadlines, showcasing technical expertise and creative problem-solving.
RAM Electronics
Macho Martial Arts
http://www.macho.comSeven Fight Gear
Walpole Outdoors
https://walpoleoutdoors.comComepay eWallet and Payment System
Frederick Goldman, Inc.
https://b2b.fgoldman.com/Comepay Wallet Android App
Comepay Wallet iOS App
Artisan Crafted
• http://www.artisancraftedbodycare.com
• http://www.coppersinksonline.com
• http://www.sinksgallery.com
• http://www.glassartistsgallery.com
• http://www.artisancraftedlighting.com
• http://www.glasssinksonline.com
Involve365
nopRocks
DuctileDirect
Rooms2Night
The Smartfeed
Bookal
ATOY | Always Thinking of You
ATLAS | Run the Challenge
Consiligent Solutions
Zendō
AR Framework for Latch
https://www.latch.com• Developed real-time spatial mapping features using ARKit and WebRTC, allowing multiple users to interact with shared AR spaces in sub-50 ms latency.
• Created modular AR components for dynamic object placement, spatial recognition, and interactive controls, enhancing smart home automation capabilities.
• Optimized performance for low-power IoT devices, ensuring smooth AR rendering while reducing battery consumption by 30%.
gCrit | Gensler
Technologies: Node.js, React
GoSwim Lite
Education
Master's Degree in Applied Mathematics and Computer Science
Southern Federal University - Rostov-on-Don, Russia
Certifications
AWS Certified Solutions Architect – Professional
Amazon Web Services
Microsoft Certified: Azure Solutions Architect Expert
Microsoft
AWS Certified AI Practitioner
Amazon Web Services
Microsoft Certified: Azure Administrator Associate
Microsoft
Microsoft Certified: Azure AI Fundamentals
Microsoft
Professional Cloud Architect Certification
Google Cloud
Associate Cloud Engineer Certification
Google Cloud
Cloud Digital Leader Certification
Google Cloud
Blazor – The Complete Guide [.NET 9] [2024] [eCommerce]
Udemy
Web Development w/Google's Go (golang) Programming Language
Udemy
Certified nopCommerce Developer
nopCommerce
Workshop by Dino Esposito: Designing Real Software: From DDD and CQRS to Event Sourcing
Luxoft
Skills
Libraries/APIs
Entity Framework, Stripe Connect, Stripe, REST APIs, Mandrill API, PayPal API, Braintree API, Stripe API, Authorize.net, FedEx API, OpenAI API, SOAP APIs, Facebook Open Graph API, Facebook API, Apache Lucene, jQuery, Twilio API, Mailchimp API, Google API, Azure Cognitive Services, React, jQuery UI, Node.js, Azure Computer Vision API
Tools
Postman, Amazon Simple Notification Service (SNS), Clover, Jira, Trello, Azure OpenAI Service, DeepSeek, Amazon Simple Queue Service (SQS), AWS CloudFormation, AWS Step Functions, Git, Zabbix, Azure ML Studio, Xcode, JetBrains Rider, WebStorm, RubyMine, NGINX, Sitefinity, Ghost, Visual Studio, Google Compute Engine (GCE), Google Kubernetes Engine (GKE), Azure Machine Learning, Azure MFA, Azure Kubernetes Service (AKS), AWS IAM, Amazon Virtual Private Cloud (VPC), Amazon Elastic Block Store (EBS), Amazon CloudWatch, Amazon Elastic Container Service (ECS), AWS Fargate, Amazon EKS
Languages
Swift, C#, Ruby, SQL, CSS, T-SQL (Transact-SQL), JavaScript, HTML5, Python, Go, HTML, Objective-C, C++, Java, PHP, C, Kotlin
Frameworks
.NET, Entity, ASP.NET, ASP.NET Core, ASP.NET Web Forms, ASP.NET MVC, Kendo UI, .NET Core, .NET 8, Blazor, Blazor WebAssembly, .NET 9, ARKit, Angular, Ruby on Rails (RoR), Bootstrap, iOS SceneKit, Express.js, Microsoft Edge Computing
Paradigms
Design Patterns, Object-oriented Programming (OOP), CQRS, Microservices, Event Sourcing, Microservices Architecture, Serverless Architecture, Scrum, Kanban, Agile, Role-based Access Control (RBAC)
Platforms
NopCommerce, ZNode, Azure, Amazon EC2, Amazon Web Services (AWS), Azure Functions, Klaviyo, Docker, Kubernetes, Shopify, Shippo, Google Cloud Platform (GCP), Azure AI Search, AWS Lambda, ARCore, iOS, Meteor, Arduino, Raspberry Pi, MacOS, Android, Cloud Native
Storage
Amazon S3 (AWS S3), Redis, Google Cloud, Databases, Azure Storage, Azure Cloud Services, Amazon DynamoDB, SQL Server 2016, PostgreSQL, Elasticsearch, Cloud Deployment, Microsoft SQL Server, Realm, Compose.io, MySQL, MongoDB, SQL Stored Procedures, Google Cloud Storage, Google Cloud SQL, Azure Active Directory, Azure SQL, Azure Cosmos DB, Data Lakes, Auto-scaling Cloud Infrastructure, Amazon EFS, Amazon Aurora
Industry Expertise
Healthcare
Other
Clover POS, Enterprise Resource Planning (ERP), Enterprise Software, SOAP, Internet Information Services (IIS), APNs, Load Balancers, eCommerce, Domain-driven Design (DDD), Architecture, JSON REST APIs, API Integration, ASI, PromoStandards, AcceptBlue, Eye4Fraud, APIs, Web Development, IT Digital Transformation, Cloud Computing, Cloud Architecture, Cloud Storage, Scalability, Workload Migration, Microsoft Azure, Microsoft Azure Solutions Architecture, OpenAI, Hybrid Cloud Infrastructure, AWS Solutions Architecture, MLM, Internet of Things (IoT), Augmented Reality (AR), Headless Software, POS, Graph Theory, Theoretical Computer Science, Compilers and Language Design Theory, Computer Vision, Bootstrap 5, Artificial Intelligence (AI), AI Programming, Large Language Models (LLMs), Identity & Access Management (IAM), Infrastructure as Code (IaC), Natural Language Processing (NLP), CI/CD Pipelines, Vector Databases, Azure IoT, Amazon RDS, Container Orchestration, WebSockets, BrainTree, Big Data, IIS, Team Management, Windows Services, Computational Complexity Theory, Algorithms, Go MVC, Cloud Security, Data Governance, Networking, Pub/Sub, Cloud Pub/Sub, Deep Learning, Active Directory (AD), Microsoft Entra, Azure Virtual Networks, Virtual Cloud Network (VCN), Virtual Private Cloud (VPC), Cloud Monitoring, Machine Learning, Azure Governance & Security, Azure IAM, Multi-factor Authentication (MFA), Conditional Access, Azure Policy & Compliance Management, Zero Trust Security Architecture, Azure Files, Azure Data Lake, Edge Computing, Scalable System Design, Network Security Monitoring, Global Infrastructure Design, Dynamic Load Balancing, AWS Auto Scaling, Amazon Glacier, Amazon Redshift, Amazon EventBridge, Compliance & Auditing, AWS X-Ray
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