Architecture Modernization
Review current architecture and infrastructure, identify business pain points, and create a pragmatic modernization plan.
$100/hour
Software architect for ambitious systems
Mykhaylo Merkulov
I design and deliver cloud-native platforms, AI products, and compliance-heavy systems for healthcare, fintech, and teams that need senior architecture judgment before the cost of change gets expensive.
20+
years in software delivery and architecture
35+
engineers scaled and mentored in delivery teams
60k+
users served by fintech platform architecture
Operating range
From technical ambiguity to shipped systems.
I work best where architecture, product constraints, and engineering execution need to converge quickly.
My background spans medical technology, fintech, AWS cloud platforms, and LLM-driven products. I have led architecture consulting for serverless medical platforms, designed banking infrastructure, and built voice-first AI workflows where latency, accuracy, and operational reliability all matter.
I support teams from early feasibility and technical planning through implementation, hiring, delivery practices, observability, and compliance-aware system design.
Architecture strategy
Modernization plans, platform boundaries, event-driven systems, cost of change.
AI product systems
LLM orchestration, voice interfaces, prompt pipelines, evaluation loops.
Regulated delivery
HIPAA, PCI DSS, PSD2, secure cloud workflows, audit-friendly engineering.
Team leadership
Hiring loops, mentoring, delivery culture, engineering management support.
Advisory offers
High-leverage help for technical leaders.
Focused engagements for teams that need clarity, senior review, or experienced execution support.
Part-time Architect / CTO
Validate feasibility, build implementation plans, review architecture decisions, and support technical strategy for startups.
$150/hourTech Hiring Support
Tune hiring strategy, design interview loops, and conduct senior technical interviews for critical engineering roles.
0.5 month salary
Selected work
Systems with product pressure behind them.
A compact view of commercial work and side projects across AI, fintech, healthcare, and developer tooling.
AI Financial Advisor
Voice-first AI financial advisor using multi-LLM architecture, dynamic system prompts, advanced fact injection, and low-latency interaction patterns.
AWS
LangGraph
WebRTC
Python
Read whitepaper
Dozens fintech platform
Founding-team architecture for a UK banking app and investment platform, including AWS infrastructure, compliance-critical backend systems, and scale planning.
AWS
.NET
EKS
Terraform
Read launch coverage
Healthcare informatics
Real-time ECG data routing, visualization tooling, device management, iOS ECG viewer, and medical e-learning experiences.
.NET
DDS
iOS
Open Banking Ukraine
Intelligence hub with an agentic news collection pipeline for ecosystem coverage, regulation, and market participants.
OpenAI
Agents SDK
Cloudflare
View project
Open source tooling
Vault configuration extensions, remote server management tools, LLM context utilities, and small infrastructure projects.
C#
Go
CLI
Explore portfolio
Experience
Architecture leadership across two decades.
Recent work centers on AI architecture and AWS serverless systems, backed by long-running delivery experience in fintech and healthcare.
SoftServe Ukraine - Application Architect
AWS Serverless architecture consulting for a major US medical technology company, with GenAI integration across development and design workflows.
JIFFY.ai - Lead Architect, LLMs
Architecture leadership for LLM-based solutions, including productized AI workflows and technical decision support.
techcube - Founder
Consultancy services and global technical hiring support for Ukrainian companies.
Project Imagine - Solutions Architect
Architected and implemented a banking platform from scratch and hired the core development team.
DashDevs - VP of Web Department
Grew the team from fewer than 10 to 35+ people, initiated DevOps culture, and built a DevOps function.
GlobalLogic, freelance, early engineering
Lead software engineering, mobile development, and healthcare software delivery across multiple product environments.
Certifications & courses
Formal training behind the architecture work.
A record of focused learning across cloud architecture, AI systems, software architecture, technical leadership, finance, and product management.
Architecture foundations for Claude and AI-assisted engineering workflows.
View credentialProfessional-level validation for cloud architecture and AWS system design.
View credentialProfessional certificate covering software architecture practices and analysis.
View certificateArchitecture documentation methods for communicating decisions and constraints.
View certificateCore software architecture principles, tradeoffs, and practice-oriented methods.
View certificateTechnology leadership, strategy, hiring, and CTO operating practices.
View certificateAssociate-level AWS architecture certification for cloud solution design.
View credentialFinancial management training for business, planning, and operating context.
Course completedProduct management training for discovery, delivery, and product decision-making.
Course completed
Contact
Bring me a hard technical problem.
Send a short note, book office hours, or connect through the usual engineering networks.