Dmitrii Bolotov, Developer in Nha Trang, Khanh Hoa Province, Vietnam
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Dmitrii Bolotov

Verified Expert  in Engineering

Solution Architect and Developer

Location
Nha Trang, Khanh Hoa Province, Vietnam
Toptal Member Since
May 3, 2022

Dmitrii is an AI enthusiast, cloud architect, and NET/C# expert. A tech geek and startup CTO, he is a commendable person who has journeyed through IT, evolving from a developer to a tech lead in enterprises. Dmitrii is now embracing innovative challenges in the startup world.

Portfolio

Superbench
OpenAI, Gemini, Generative Artificial Intelligence (GenAI), C#, Angular...
ConnectAndSell
ASP.NET, IIS, DotTrace, MSMQ, C#, RabbitMQ, Google Cloud Platform (GCP), GitHub...
Tastier
C#, GitLab, Azure, TypeScript, Point of Sale, POS, Databases...

Experience

Availability

Part-time

Preferred Environment

C#, Microservices Architecture, APIs, DevOps, Apache Kafka, Large Language Models (LLMs), Generative Artificial Intelligence (GenAI), Databases, Distributed Systems, High-load

The most amazing...

...thing I've built is a messenger-first gen-Z banking service from the ground to over 350,000 users in 2020.

Work Experience

Tech Co-founder and CTO

2024 - PRESENT
Superbench
  • Architected AI agents that improved process automation.
  • Set up cloud infrastructure, enhancing scalability and reducing operational costs.
  • Developed front- and back-end systems, boosting user engagement and system reliability.
Technologies: OpenAI, Gemini, Generative Artificial Intelligence (GenAI), C#, Angular, LangChain, AI Agents, TypeScript, Node.js, GitHub Actions, Google Cloud, NoSQL, Artificial Intelligence (AI)

Troubleshooting Expert and Solution Architect

2022 - 2023
ConnectAndSell
  • Performed troubleshooting of memory leaks and central processing unit (CPU) issues causing outages.
  • Reviewed and redesigned major system components to improve performance, system scalability, and reliability.
  • Mentored team members, introducing them to best practices.
Technologies: ASP.NET, IIS, DotTrace, MSMQ, C#, RabbitMQ, Google Cloud Platform (GCP), GitHub, Databases, Azure SQL Databases, Technical Architecture, Web Applications, Software Architecture, Technical Consulting, Consulting, System Design, CRM Systems, Leadership, Solution Architecture, NoSQL

Senior Full-stack Developer

2022 - 2022
Tastier
  • Developed multiple features and delivered complete user stories to production.
  • Analyzed APIs for integration with other POS systems.
  • Automated application delivery and set up CI/CD pipelines on GitLab.
Technologies: C#, GitLab, Azure, TypeScript, Point of Sale, POS, Databases, Azure SQL Databases, Technical Architecture, Web Applications, Software Architecture, Payment APIs, Consulting, System Design, Leadership, NoSQL

Founder and CTO

2020 - 2022
Deetask
  • Built and launched a Vietnamese marketplace that allows users to search for rates and hire local service providers, similar to Thumbtack in the US.
  • Started the project following customer development principles, in-depth interviews, and MVP. Arranged a team of 10 people, among technical and non-technical.
  • Architected and delivered the system to production. The back end in C#, ASP.NET Core, Azure Cloud SQL, Elasticsearch, MongoDB, and Firebase. The front end is an SSR Angular app. Hosted in Kubernetes cluster in Civo, CI/CD GitLab, Docker, and Pulumi.
Technologies: C#, ASP.NET Core, Azure, SQL, Elasticsearch, MongoDB, Firebase, Angular, GitLab CI/CD, Pulumi, Team Management, Cost Management, Product Management, TypeScript, Kubernetes, Docker, HTTP REST, Full-stack Development, CSS, HTML, Microsoft SQL Server, Azure Active Directory, Azure SQL, REST APIs, Digital Payments, APIs, Linux, Containers, Cloud Architecture, Distributed Systems, Back-end, Continuous Integration (CI), CI/CD Pipelines, Entity Framework Core, Architecture, CTO, Full-stack, Load Balancers, OAuth, Scalability, Technical Leadership, Cloud, Cloud Infrastructure, API Development, Databases, Azure SQL Databases, Technical Architecture, Angular Material, Cloudflare, Web Applications, Software Architecture, System Design, Leadership, Solution Architecture, NoSQL

Senior Back-end Developer

2019 - 2020
Videoland
  • Redesigned and developed video ingest flow, which increased the speed and throughput of video processing up to 10 times. Used FFmpeg, Kubernetes CronJob, and Azure media services.
  • Integrated analytics, BI tools, and recommendation system. Developed new product features like generating video strips.
  • Resolved incidents, participated in day-2 operations, and challenged DevOps culture.
Technologies: C#, TypeScript, PostgreSQL, Redis, MongoDB, Terraform, DevOps, Dynatrace, Akamai, Kubernetes, OpenTracing, API Integration, Microsoft SQL Server, Azure DevOps, Azure App Service, REST APIs, Amazon Web Services (AWS), APIs, Linux, Containers, Cloud Architecture, Distributed Systems, Continuous Integration (CI), CI/CD Pipelines, Entity Framework Core, Architecture, Node.js, Load Balancers, Back-end Development, OAuth, Scalability, Technical Leadership, Cloud, Cloud Infrastructure, API Development, Databases, Azure SQL Databases, Technical Architecture, Web Applications, Software Architecture, System Design, Leadership, Solution Architecture, NoSQL

Tech Lead and Senior Back-end Developer

2017 - 2019
Zelf
  • Designed and built high-load, scalable, reliable, meeting the requirements PCI DSS system over microservices from scratch.
  • Arranged a tech team. Found and hired first-class developers and organized development process, including Scrum meetings, code reviews, one-on-ones, and incident management.
  • Developed product features like P2P transfers, KYC, on-demand cards, and others.
Technologies: C#, .NET Core, Google Cloud, SQL, RabbitMQ, EventStore, OpenTracing, Elasticsearch, Prometheus, Kubernetes, Docker, GitLab CI/CD, API Integration, Microsoft SQL Server, REST APIs, Digital Payments, APIs, Containers, Cloud Architecture, Distributed Systems, SendGrid, Twilio, Back-end, Continuous Integration (CI), CI/CD Pipelines, Entity Framework Core, Architecture, Load Balancers, Back-end Development, OAuth, Scalability, Payment Gateways, Technical Leadership, Cloud, Cloud Infrastructure, API Development, Azure Cognitive Services, JavaScript, Speech to Text, Databases, Technical Architecture, Web Applications, Event-driven Architecture, Know Your Customer (KYC), Software Architecture, Payment APIs, Leadership, Solution Architecture

Lead Back-end Developer

2014 - 2017
MDB Bank
  • Implemented a Windows phone app for the formerly known MDM Bank, ranked in 2nd place in Markswebb's competition.
  • Analyzed business requirements and architected system design and core components.
  • Migrated to microservices architecture when the system got too large.
  • Integrated a card processing center, ABS, billing, and other internal banking services.
  • Maintained a developed system and participated in building, monitoring, and tracing CI/CD processes.
Technologies: ASP.NET, Web API, Microservices, Entity Framework, RabbitMQ, Test-driven Development (TDD), SQL, API Integration, Microsoft SQL Server, REST APIs, Digital Payments, APIs, Amazon Web Services (AWS), Back-end, Architecture, Back-end Development, OAuth, Technical Leadership, API Development, Databases, Technical Architecture, Web Applications, Know Your Customer (KYC), Software Architecture, Payment APIs, Solution Architecture

.NET Developer

2011 - 2014
Early Career
  • Developed features for business process management and ERP products using C#, ASP.NET Web Forms, WinForms, FireBird, ADO.NET, XML, IIS, .NET Framework 2.0 - 3.5, WPF, and WCF.
  • Designed and developed tools for automated testing with Windows Presentation Foundation (WPF).
  • Researched and tested various new tools and technologies.
Technologies: C#, .NET, XML, IIS, jQuery, CSS, JavaScript, Windows Presentation Foundation (WPF), MySQL, APIs, Back-end, Back-end Development, API Development, Databases, Web Applications

Nirvana

Built a Vietnamese blogging platform from scratch.

The back end was built with C#, .NET Core, WebAPI, and Azure SQL. The front end was developed with Angular SSR, hosted on the managed Kubernetes cluster, and Editor.js was used for next-gen rich editing.

The image optimization was performed through Thumbor, with Recombee integration as a recommendation system.

Deetask

A Vietnamese marketplace that allows users to search for, rate, and hire local service providers.

I designed the system's architecture and built an MVP. The client-server app had a back end in C# WebAPI, SQL for storing user data, and Elasticsearch for fast searching. The front end is an SSR Angular app hosted in a managed Kubernetes cluster.

SIA ZELF

ZELF is an instant bank messenger application that sends and receives money quickly by text or voice.

As a tech lead, I designed the system and built core features like creating accounts, money transfers, and notifications.
2009 - 2016

Master's Degree in Computer Science

Izhevsk State Technical University - Izhevsk, Udmurt Republic, Russia

JULY 2022 - JULY 2025

AWS Certified SysOps Administrator - Associate

Amazon Web Services

JANUARY 2017 - PRESENT

Developing Microsoft Azure Solutions

Microsoft

JANUARY 2017 - PRESENT

Microsoft Azure and Web Services

Microsoft

JANUARY 2017 - PRESENT

Microsoft Certified Solution Developer

Microsoft

Libraries/APIs

Web API, Entity Framework, REST APIs, API Development, jQuery, Node.js, Azure Cognitive Services

Tools

GitLab, RabbitMQ, Azure App Service, GitLab CI/CD, SendGrid, AWS ELB, AWS Fargate, Terraform, Dynatrace, Grafana, DotTrace, GitHub

Frameworks

.NET, ASP.NET Core, .NET Core, ASP.NET, ASP.NET Web API, Entity Framework Core, Angular, AngularJS, Windows Presentation Foundation (WPF), Angular Material, Material UI

Languages

C#, SQL, TypeScript, XML, C#.NET, HTML, CSS, JavaScript

Paradigms

Microservices Architecture, Agile, Microservices, Continuous Integration (CI), Event-driven Architecture, DevOps, Azure DevOps, Test-driven Development (TDD)

Storage

NoSQL, JSON, Microsoft SQL Server, Azure SQL, Databases, Azure SQL Databases, MongoDB, Elasticsearch, PostgreSQL, MySQL, Google Cloud, EventStore, Redis, Azure Active Directory

Platforms

Kubernetes, Apache Kafka, Azure, Docker, Google Cloud Platform (GCP), Amazon Web Services (AWS), Twilio, Firebase, Linux

Other

APIs, Software Development, Cost Management, Web Services, Team Management, HTTP REST, Full-stack Development, API Integration, Digital Payments, Cloud Architecture, Distributed Systems, Back-end, CI/CD Pipelines, Architecture, Back-end Development, OAuth, Scalability, Payment Gateways, Technical Leadership, Cloud Infrastructure, Technical Architecture, Cloudflare, Web Applications, Cloud Platforms, Know Your Customer (KYC), Software Architecture, Payment APIs, Technical Consulting, Consulting, System Design, CRM Systems, Leadership, Solution Architecture, Large Language Models (LLMs), Product Management, Containers, CTO, Full-stack, Load Balancers, Cloud, Point of Sale, POS, Artificial Intelligence (AI), Pulumi, Recommendation Systems, Thumbor, OpenTracing, Prometheus, Akamai, IIS, Chatbots, MSMQ, Speech to Text, Generative Artificial Intelligence (GenAI), High-load, OpenAI, Gemini, LangChain, AI Agents, GitHub Actions

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