Heorhi Sakalouski Senior Full-stack Developer
10+ years of expertise in building high-quality web applications across finance, design, and enterprise software industries.
Málaga, Spain · Open to remote
Who Am I?
With over 10 years of experience in full-stack development, I specialize in crafting scalable web applications that deliver results. I'm passionate about clean, maintainable code and thrive in collaborative, dynamic environments.
My journey in software development has taken me through various industries, from fintech to design tools, where I've consistently delivered robust solutions that drive business growth and user satisfaction.
10+
Years of Experience
10+
Projects Delivered
5+
Industries Served
Technical Expertise
Front-End Development
Angular, React, TypeScript
Back-End Development
.NET, Node.js, SQL
Development Practices
Architecture, Integration, Optimization
Domain Strengths
High-Stakes Finance Systems
Built trading tools and hedge fund platforms where correctness and speed have direct financial consequences — zero tolerance for bugs or downtime
Large-Scale Frontend Architecture
Architected complex UIs at scale: 100M+ user platforms, multi-framework migrations (AngularJS → Angular), embeddable APIs, and performance-critical editors
Full-Stack Ownership
Comfortable owning the full vertical — from C# microservices and gRPC APIs to polished React and Angular frontends, end-to-end
Tech Lead & Team Ownership
Architectural decisions, code review, mentoring, and stakeholder management — not just an individual contributor, but an owner
Production Troubleshooting Under Pressure
Experienced in diagnosing and resolving critical issues in live, mission-critical systems where delays have real operational and financial impact
Featured Projects
Trading & Investment Tools Ecosystem
Comprehensive suite of internal tools for a hedge fund — analytics, reporting, simulations, and automated workflows for equity trading operations. Reduced equity setup time from ~1 hour to minutes and saved ~1 day per week for investment officers through automated report generation.
Interior Design Platform
Features for Planner5D — a 2D/3D interior design editor with 100M+ users worldwide. Built the AI-powered design generator that attracted significant new subscribers, a 2D editor for internal modelers, and an embeddable editor API for B2B integrations.
Enterprise RMM Platform
Core features for Kaseya VSA X & Pulseway — enterprise platforms enabling MSPs to manage thousands of endpoints. Built Group Policies, Monitoring, and Workflow automation modules, all of which received highly positive feedback from enterprise clients.
Corporate Banking Platform
Internet banking ecosystem for corporate clients at a major bank. Built the partner acquisition platform that grew from 0.4% to ~24% of total corporate leads — a 60x increase — becoming the bank's primary channel for new business clients.
Real-Time Transportation System
Real-time public and private transportation monitoring platform for the San Francisco and Santa Monica areas. Integrated Google Maps API and WebSockets for live vehicle tracking and transit data visualization.
Let's Work Together
I'm always interested in hearing about new projects and opportunities. Let's connect and discuss how we can create exceptional solutions together.