Mykhaylo Merkulov - Software Architect Avatar

About Mykhaylo Merkulov

I am a highly accomplished software engineer and technology leader with over 20 years of experience driving innovation in the medical and fintech sectors. My expertise spans cloud-native architectures on AWS and advanced AI applications, where I have successfully harnessed large language models (LLMs) to transform user experiences and improve operational efficiency at scale.

In leadership roles, I have managed and mentored teams of 30+ engineers, guiding end-to-end delivery from pre-sales and proof-of-concepts to production-ready solutions, all while ensuring compliance with global industry standards such as HIPAA, PCI DSS, and PSD2.

Currently, I am leading the design and implementation of cutting-edge AI solutions with voice-first interfaces, focusing on achieving ultra-low latency and high accuracy. My work contributes directly to the development of next-generation, human-centric AI systems, bringing complex technologies into everyday human interactions in a seamless and intuitive way.

Services

Architecture Modernization

Review of current architecture and infrastructure. Prepare a modernization plan to resolve business pain points (cost of ownership, cost of change).

Rate: $100/hour

Part-time Architect/CTO

Hire me to create a technical implementation plan for your startup or idea, validate technical feasibility, and support technical decisions.

Rate: $150/hour

Tech Hiring Support

I can help you hire top tech talents by adjusting your hiring strategy and conducting technical interviews.

Rate: 0.5 month salary

Experience

  1. JIFFY.ai – Lead Architect, LLMs April 2024 – Present

    Leading architecture efforts for LLM-based solutions.

  2. techcube – Founder

    Providing consultancy services and helping Ukrainian companies hire top tech talents around the globe.

  3. Project Imagine – Solutions Architect

    Architected and implemented a banking platform from scratch; hired a professional development team.

  4. DashDevs LLC – VP of Web Department

    Grew team from fewer than 10 to 35+ people; initiated DevOps culture and built a DevOps team from scratch.

  5. Freelancer – Mobile Software Engineer

    As a freelancer I provided software development services mainly as an iOS application developer.

  6. GlobalLogic – Lead Software Engineer

    Lead Software Engineer at offshore software development company. Focus on software projects in healthcare area being developed for one of the largest US-based medical technology company.

  7. Validio Ukraine – Developer

    Developer at offshore software development company. (Validio Ukraine became GlobalLogic in 2008)

  8. MBS – Developer

    Junior Developer at offshore software development company.

Certifications & Courses

Notable Commercial Projects

Here are a few highlights from my commercial work, blending finance, healthcare, and cutting-edge AI.

AI Financial Advisor

Developed a financial advisor voice-first chatbot that uses AI to provide personalized advice to users on various financial topics. Achieved low-latency and high accuracy responses. Developed multi-LLM system with dynamic system prompt generation and advanced facts injection.

Tech: AWS, LangChain/LangGraph, WebRTC, Python, Low-code, Faster-Whisper, M2M-100

Integrations: Retool, LangSmith, OpenAI, Auth0

Read Whitepaper Mike co-authored: Can AI Give Financial Advice?

Coming Soon - PayMe

Under development - website to help Ukrainian merchants send payment info to customers.

Tech: Go, HTMX, Tailwind, Vibe Coding

Dozens logo Dozens - Fintech Platform

As part of the founding team, built a UK-based banking app and investment platform from the ground up. Responsible for backend architecture, cloud infrastructure (AWS), and ensuring compliance. Engineered a robust system for 60k+ active users with scalability for 1M+.

Tech: AWS Cloud, .NET Core, Kubernetes (EKS), Terraform, Kafka

Integrations: OpenBanking, Card Payments, SWIFT, SEPA

Read: Lunch
Read: Why we closed

Healthcare Informatics System

Led development for key components of a system for a major US medical tech company. Built real-time ECG data routing, advanced visualization tools, and device management features. Developed a pioneering remote ECG viewer for iOS and an interactive e-Learning iPad application for medical professionals.

Tech: .NET/.NET Core, WPF, WinForms, ECG Algorithms, DDS, iOS/Objective-C

Flowsight

A personal project to explain and visualize P&L statements for public companies.

Tech: Python, Pandas, Docker, Self-Hosted on Proxmox

View →

Open Source Contributions

Sharing code and building tools for the community. Here are some of my projects:

VaultSharp.Extensions.Configuration

Integrates HashiCorp Vault seamlessly as a configuration source in .NET Core applications. Simplifies secrets management.

Tech: .NET, C#

View on GitHub →

megarac

A command-line tool for remote management of servers equipped with Megarac BMC (Baseboard Management Controller).

Tech: Go

View on GitHub →

contexify

Lightweight CLI tool to aggregate specified files in a folder structure into a single context file. Ideal for preparing project context for LLMs, respecting `.gitignore` and token limits.

Tech: Go, tiktoken

View on GitHub →

Robostoryz

An early AI experiment generating short, themed stories using LLMs. Explored AI content generation and Telegram bot integration.

Tech: .NET, LLM, AWS Serverless, Next.js

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Get In Touch & Links

Feel free to reach out for collaboration, opportunities, or just a friendly tech chat.