Pavel Anpin

Software Engineer | Distributed Systems | IoT

Salary / Daily rate

Rio de Janeiro, State of Rio de Janeiro, Brazil

Freelance, open to permanent contract

Can come onsite

Skills

DevOpsEvent Driven ArchitectureF#C#Site reliability engineeringDomain Driven DesignTest Driven DevelopmentScrapingMATLABDigitalOceanPostgreSQLGrafanaPlaywrightSoftware CraftsmanshipBackend DevelopmentFrontend DevelopmentFullstack DevelopmentMobile DevelopmentJavascriptAzureOVHcloudData Visualization.NETRustLinuxWeb DesignFigmaSQL databasesMachine LearningC

Languages

English (Native)Russian (Native)Portuguese

About me

Intro

Senior Software Engineer with 10+ years building distributed .NET systems in F# and C#. Experienced in event-driven platforms, CQRS, and reproducible infrastructure. Knowledgeable in all aspects of software development, including backend, frontend, and cloud, delivering maintainable, production-ready solutions.

Links

Work experience

Founder

Alerio

Dec 2022 - Present

3 years 11 months

Tallinn, Estonia

- Built real-time dashboards and spatial visualization integrating IoT sensors, AV devices and for interactive building control and monitoring. - Prototyped a C# solution, gathered market and customer feedback and turned it into a full-stack F# platform (Giraffe/ASP.NET Core, Akka.NET, SignalR, Fable, HTMX, Vega, TimescaleDB/PostgreSQL). - Implemented reproducible, declarative infrastructure with Nix/NixOS and a self-hosted stack (Grafana, ClickHouse, Forgejo, Authentik). - Built DSL for efficient hardware integration, runtime module registration from text files, automation rules and data pipelines. - Implemented WebGL reactive graph visualization for arbitary data from modules: 50000 sparse datapoints loaded in less than 5 seconds in a WebGL rendered graph. - Implemented offline-first voice control over WebRTC for on-prem devices with self-hosted STT/TTS/LLM pipeline for user intent recognition and response, including smart speaker firmware for ESP32. - Built automated build/publish pipeline for product website, enabling A/B testing of marketing materials.

Independent Contractor

Self-employedFreelance

Dec 2016 - Present

9 years 11 months

Remote

Delivered and maintained bespoke cross-platform native apps (Xamarin.Forms/MAUI, Avalonia), full-stack web services (ASP.NET Core, Giraffe, Akka.NET) and embeded firmware (ESP-IDF, Rust), implemented CI/CD pipelines, and migrated client systems from .NET Framework/C# to dotnet8/F# using Akka.NET, Giraffe, and Avalonia-improving maintainability and scalability. Highlights: - Velonetic: Presentation room control system with custom CMS for Tizen signage, real-time web control for AV installation, scheduling, transcoding, and integration with Crestron/Biamp/Dante, custom windows kiosk shell to control/update TouchDesigner players, GreenHippo media server. Reproducible builds with NixOS and deployment CI/CD integration testing. - BrightlinkAV: app to control video matrix and streaming systems; original ASP.NET + XF app, migration to MAUI and .NET Core, Azure cloud deployment, and CI/CD automation for app publishing. - Countless comercial AV installations, including hotels, resorts, and corporate event spaces.

Head Engineer

IMS Group Smart Space

Jun 2016 - Oct 2017

1 year 5 months

Spearheaded engineering workflow creation and team training for a newly-formed systems integrator in the hospitality industry. Managed projects, supervised engineering and installation teams, and provided sales engineering support. Designed systems, commissioned equipment, and conducted post-installation training. Focused on programming and commissioning AV systems, ensuring seamless integration and optimal performance.

Project Engineer

АудиоВидеоСистемы

Dec 2015 - May 2016

6 months

Engineered AV systems, coordinated with clients and contractors, programmed equipment, and provided post- installation training and support. Worked within a larger team, contributing to large-scale projects with a structured approach.

Project Engineer

8ohm ltd

Aug 2013 - Dec 2015

2 years 5 months

Designed AV systems, communicated with customers and contractors, programmed equipment, and conducted post-installation training and support. Started as a summer intern and quickly advanced to a project engineer, demonstrating adaptability and a strong work ethic. Focused heavily on programming and commissioning AV systems, delivering tailored solutions that met clients’ specific needs.


Education

Siberian State University of Telecommunications and Information Science

Engineer's degree

2009 - 2014

4 years 11 months

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