Building production-grade web applications using React and Next.js with focus on performance, scalability and reliability.
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Web Applications Development Services
For the last decade I have been working on various projects starting from developing Landing Pages, Marketplaces and up to Messengers, and Next.js Web Applications Builder. Eventually, I found my passion in building complex products, that are meant to simplify life and optimize business processes. Are you looking to build or improve one?
Web applications development
AI-Driven Products Development
Providing robust engineering for the AI's last mile problem — transforming prototypes into production-ready features with a strict focus on security, stability, and performance.
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Shipping validated products fast using proven architecture and agile iteration with focus on market speed and quality.
Open detailsReal-time Applications Development
Implementing WebSocket architecture, WebRTC peer connections, and event-driven state synchronisation that empowers your users with realtime communication and collaboration features
Open detailsFiles processing
File processing in production involves a layered set of concerns across the full pipeline — from ingestion and transformation to storage, access control, and retrieval. Each layer introduces its own security surface and performance constraints that require deliberate handling.Signed URL strategies, concurrent upload handling, and processing pipelines that operate without blocking server resources are the decisions that have the most durable impact on how the system behaves under real load.
Open detailsProductivity tools
Solving engineering challenges for productivity web apps that resolve challenges for distributed teams and require fine-tuned relational data integrity, RBAC or PBAC, timezone-stability, real-time collaboration, reports and forecasts
Open detailsInteractive Interfaces Development
Custom interactive interfaces that let your users define their own forms, rules, workflows, and layouts
Open detailsChats and real-time communication
Delivering production-grade real-time chat systems using WebSocket and WebRTC with focus on security, stability and performance.
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Let's connect!
Say hi at hi@levchenkod.com