Роман

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Roman Davydov
Solutions Architect | Senior Tech Lead (Cloud & BPM) Kyiv, Ukraine | [open contact info](look above in the "contact info" section)
| [open contact info](look above in the "contact info" section) Telegram: @osirisbest

EXECUTIVE SUMMARY
Strategic Software Architect with 20+ years of expertise in designing enterprise-grade
systems. A pioneer in BPM (Business Process Management) logic, now specializing in
Cloud Governance and Serverless Orchestration. Expert in building resilient systems
using NodeJS/NestJS and AWS Step Functions (ASL, JSONata). Proven track record in
automating multi-cloud environments (AWS/Azure) through custom SDK-based tools for
service inventory and automated tagging.

CORE ARCHITECTURAL STACK
●​ Cloud & Platform Engineering: AWS & Azure SDKs (Automation/Inventory),
Tagging Governance, Infrastructure as Code.
●​ Orchestration & Workflow: AWS Step Functions (Standard/Express), ASL,
JSONata, JSONPath, BPMN/IDEF3.
●​ Backend & APIs: Node.js, NestJS (Microservices), Python (Harvard CS50), Kafka,
REST, GraphQL.
●​ Database & Storage: PostgreSQL, MongoDB, Redis, DynamoDB.
●​ Frontend: Angular (RxJS, Signals), React, Vue.js.

KEY ARCHITECTURAL ACHIEVEMENTS
●​ Automated Cloud Governance: Developed custom SDK-based automation for
multi-cloud (AWS/Azure) inventory, mapping services and enforcing tagging
standards automatically across enterprise accounts.
●​ Legacy-to-Cloud Strategy: Designed high-level migration paths for business
processes into AWS Step Functions, ensuring visual auditability and 100% process
durability.
●​ BPM Innovation: Engineered a custom BPMS framework (State Machine based)
from scratch, serving as the operational backbone for enterprise workflows for over 4
years.

PROFESSIONAL EXPERIENCE
D.TEK (D.TRADE) | Solutions Architect | Apr 2025 – Jul 2025

Сертифікат серія: 5E984D526F82F38F04000000A57E09010C7D0707
ДАВИДОВ РОМАН ВАЛЕРІЙОВИЧ | Підписано Дія | 04.04.2026 22:52
Згідно зі ст. 18 п. 6. ЗУ «Про електронну ідентифікацію...»
електронний підпис прирівнюється до власноручного підпису.
DiiaHelper

Підписано КЕП. PAdES-B-LT. Перевірка: czo.gov.ua/verify
 ●​ Cloud Inventory & Automation: Developed a suite of custom tools using AWS & Сторінка 2 з 2
Azure SDKs (Node.js/Python) to perform automated discovery and mapping of cloud
resources.
●​ Automated Tagging Engine: Engineered scripts for automatic service tagging and
resource categorization, ensuring compliance with corporate governance and
cost-tracking policies.
●​ Messaging Standards: Authored Kafka integration specifications for distributed
trading systems.

Infinity Technologies | Senior Tech Lead | Dec 2022 – Dec 2024

●​ High-Load Systems: Delivered an NFT marketplace with a scalable real-time chat
architecture (Socket.IO), optimizing performance for high concurrency.

Nordstrom (USA) | Development Team Lead | Oct 2021 – Feb 2022

●​ Modernization & Migration: Directed a cross-functional team modernizing backend
systems (Node.js, Kafka, DynamoDB) and migrating workloads to Kubernetes.

SOLANTEQ | Senior Backend Engineer | Oct 2019 – Sep 2021

●​ FinTech: Developed core services for neobanking platforms. Contributed to
TypeORM open-source (Oracle integration fixes).

Ukrprominvest | BPM Architect / Lead Developer | Sep 2008 – Oct 2012

●​ Custom BPMS Engineering: Designed and deployed a custom Business Process
Management System based on IDEF3 and state-machine logic, centralizing
enterprise workflow execution.

Prior Strategic Experience (2010 – 2019):

●​ Leadership roles at OMNIC, MySalesLabs, and Deps, focusing on logistics
automation, financial reporting, and large-scale 1C integrations.

EDUCATION & CERTIFICATIONS
●​ AWS Step Functions Deep Dive (2026): Advanced Orchestration & ASL patterns.
●​ Harvard University (CS50 & CS50 Python): Algorithms, Data Structures, and
Python Programming.
●​ Donbas State Technical University: B.Sc. in Engineering.

LANGUAGES
●​ English: Upper-Intermediate (Professional Working Proficiency)
●​ Ukrainian / Russian: Native

Сертифікат серія: 5E984D526F82F38F04000000A57E09010C7D0707
ДАВИДОВ РОМАН ВАЛЕРІЙОВИЧ | Підписано Дія | 04.04.2026 22:52
Згідно зі ст. 18 п. 6. ЗУ «Про електронну ідентифікацію...»
електронний підпис прирівнюється до власноручного підпису.
DiiaHelper

Підписано КЕП. PAdES-B-LT. Перевірка: czo.gov.ua/verify