DENYS VOLOKH Senior Software Engineer · Engineering Lead
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AI engineering profile

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Selected engineering work

Production systems across AI document processing, FinTech platforms, and knowledge retrieval.

Experience

2024 – Present

Jotson

Full Stack Software Engineer

Building AI/LLM-assisted document-processing workflows and backend services for a production energy-analytics platform.

Python & TypeScript BackendAI/LLM Document ProcessingAgentic Dev WorkflowsCI/CD (Docker, GitHub Actions)
2021 – 2022

Yandex Practicum

Mentor & Code Reviewer

Mentored and reviewed code for 50+ students in Python and Django, and developed two course curricula.

MentoringCode ReviewCurriculum Development
2018 – 2024

Noviscient Pte Ltd.

Senior Backend Engineer & CTO

Led backend architecture for a multi-tenant financial analytics platform, and built AI-assisted research and document-intelligence workflows for fund operations.

Backend ArchitectureRAG & AI Research ToolingEvent-Driven ETLEngineering Leadership
2017 – 2018

globalORE Pte Ltd.

Senior Manager, Systems & Technology

Led the engineering team building a real-time commodity exchange platform with a microservice-based, event-driven trading engine.

Trading Engine ArchitectureTeam LeadershipAnalytics Pipelines
2013 – 2017

Vulpes Investment Management Pte

Software & DevOps Engineer

Built in-house trading systems integrating multiple brokers via FIX and REST APIs.

Trading SystemsBroker Integrations (FIX/REST)Deployment Automation
2010 – 2013

GreenWave Reality

Senior Full Stack Developer

Volunteered to rewrite a monolithic PHP backend into event-driven Python microservices with messaging, delivering an IoT and smart-home platform that became easier to maintain and scale as it grew.

IoT BackendPHP to Python MigrationEvent-Driven MessagingReal-Time Data Streaming
2007 – 2010

Singapore Telecommunications Ltd.

Senior Developer

Created a mobile application framework supporting large-scale content delivery for the iPhone 3GS launch.

Mobile Application FrameworkCI/CD Automation
2005 – 2007

Celenia

Software Development Engineer

Solved MS Dynamics NAV technical issues across sales, finance, manufacturing, and warehousing modules.

MS Dynamics NAVERP Support

Technical capabilities

Grouped by the part of the system they touch.

Backend

  • Caching Strategies
  • CQRS
  • Deno
  • Django
  • Event Sourcing
  • Express
  • FastAPI
  • Feature Flags
  • FIX Protocol
  • Go
  • GraphQL
  • Node.js
  • Pydantic
  • Python
  • REST

AI Systems

  • Agentic workflows
  • Context optimization
  • Document extraction
  • Human-in-the-loop workflows
  • LLMs
  • Prompt optimization
  • RAG
  • Validation pipelines

Frontend

  • Chart.js
  • HTMX
  • React
  • React Native
  • Server-Sent Events (SSE)
  • TypeScript

Infrastructure

  • AWS
  • Docker
  • GCP
  • GitHub Actions
  • Kubernetes
  • Terraform

Data

  • Airflow
  • DocumentDB
  • Elasticsearch
  • MongoDB
  • NATS
  • pandas
  • PostgreSQL
  • Prefect
  • RabbitMQ
  • SQS

Leadership

  • Cross-functional Collaboration
  • Engineering Team Leadership
  • Mentoring & Code Review
  • Technical Leadership

Engineering impact

15+ years of engineering, ~10 engineers led. These are the outcomes that carried a number.

35%

Lower IT costs

Trading platform re-architecture

75%

Faster platform performance

IoT data platform backend rework

80%

Test coverage

With automated delivery pipelines

Leadership

Led a team of roughly 10 engineers across backend, frontend, and AI work. Ran hiring and onboarding, and took several interns through to full-time roles.

How I work

Ship the smallest system that solves the problem, instrument it, and let evidence drive the next decision — the same principle behind this profile.

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