Nikita Agafonov Email & Phone Number

Bangkok, Th

United Kingdom

• Developed realistically looking, physically based shader for real-time rendering of gemstones.• Improved performance of the 3D viewer with automated generation of InstancedMesh, whichincreased rendering speed 3-6x for jewelleries with hundreds of gems.• Optimized setup of postprocessing step of the pipeline, further improving performance by reducing amount of unnecessary draw calls.• Developed demo pages for new customers to showcase the tech.

Nottingham, England, United Kingdom

Developed an electron based desktop application as a part of partnership with 3rd party startup. The app acts as a command center allowing to connect to multiple cameras and orchestrate the process of psychological assessments observing participants from different angles.Implemented a multi-window desktop app architecture which keeps UI and the state of all windows synchronized.Implemented a system which provides access to connected cameras, including out of the box support of Sony… Show more Developed an electron based desktop application as a part of partnership with 3rd party startup. The app acts as a command center allowing to connect to multiple cameras and orchestrate the process of psychological assessments observing participants from different angles.Implemented a multi-window desktop app architecture which keeps UI and the state of all windows synchronized.Implemented a system which provides access to connected cameras, including out of the box support of Sony SRG-X400 PTZ camera and records their video streams progressively. Implemented full control of PTZ features from the UI which allows easily manipulate the camera.Implemented custom WebGPU based rendering of the video feed with live timing rendered on top. Implemented custom text rendering solution with font texture atlas and on the fly text mesh generation.Implemented UI with Svelte, it features multiple tiles which can be dragged around, resized and arranged as desired. Implemented section resizing controls which allow to adjust layout itself manually. Implemented custom in-app windows which behave similarly to native OS windows.Implemented websocket based connection layer to PsychoPy which enables real time communication with it and thus piloting assessments real-time. Show less

Nottingham, England, United Kingdom

Developed brand new features and maintained current ones for psychojs - a web counterpart of PsychoPy tool based on pixi.js. It acts as a web renderer for projects / experiments built by researchers in the area of psychophysics and neuroscience and allows to run those experiments online.Implemented multi-touch support for mobiles. Implemented GIF based animation support for the WebGL ecosystem. Implemented grating stimuli with glsl.Delivered various per-customer requests, including… Show more Developed brand new features and maintained current ones for psychojs - a web counterpart of PsychoPy tool based on pixi.js. It acts as a web renderer for projects / experiments built by researchers in the area of psychophysics and neuroscience and allows to run those experiments online.Implemented multi-touch support for mobiles. Implemented GIF based animation support for the WebGL ecosystem. Implemented grating stimuli with glsl.Delivered various per-customer requests, including peer-to-peer remote control of the experiments, custom particle systems in Pixi, embedded youtube player and many more. Performed most of coding in vanilla JS. Show less

Nottingham, England, United Kingdom

Developed a custom surveying platform which allows to import surveys from Qualtrics - a popular surveying solution in the field of psychology and many others. We've built a solution on top of SurveyJS library thus providing all the same features plus some custom ones.Implemented .qsf format support - file format which describes Qualtrics surveys and allows them to be exported. Implemented a solution which translates Qualtrics surveys to our system by converting .qsf into a data structure… Show more Developed a custom surveying platform which allows to import surveys from Qualtrics - a popular surveying solution in the field of psychology and many others. We've built a solution on top of SurveyJS library thus providing all the same features plus some custom ones.Implemented .qsf format support - file format which describes Qualtrics surveys and allows them to be exported. Implemented a solution which translates Qualtrics surveys to our system by converting .qsf into a data structure suitable for SurveyJS.Implemented custom UI components to enable broader support of Qualtrics UI elements.Implemented most of the code in vanilla JavaScript and plain CSS. This allows components to be without dependencies, and the solution to be fast, lightweight and easy to distribute. Show less

United Kingdom

Implemented GPU driven particles system animated by 3D Perlin noise. It features an interesting looking effect, making it an eye catching, mesmerizing experience. The result can be seen live.Utilized three.js based mesh sampling utility, which allowed to extract 3D points on the surface from the mesh for initial particles positioning.Optimized the performance of the application by tuning visual effects, shaders and implementing flexible resolution rendering techiniques. This allowed to… Show more Implemented GPU driven particles system animated by 3D Perlin noise. It features an interesting looking effect, making it an eye catching, mesmerizing experience. The result can be seen live.Utilized three.js based mesh sampling utility, which allowed to extract 3D points on the surface from the mesh for initial particles positioning.Optimized the performance of the application by tuning visual effects, shaders and implementing flexible resolution rendering techiniques. This allowed to achieve high frame rate performance on wide variety of devices including mobile.Wrote an article on technical details which covered how presented effects were achieved. Article is published on medium and devto.Contributed to open source by sharing the code behind the particle system with all effects. Can be found in github repo. Show less

Delivered a set of algorithmic and architectural optimizations for a startup with 3D apartment visualization and design product.Improved rendering performance by 50% through code refactoring and optimizing in-app search algorithms to O(N) complexity. Some of the internal components and classes were rewritten to reuse resources, which allowed faster scene boot.Implemented custom camera animations using quaternions instead of Euler angles, enhancing the overall user experience.Fixed… Show more Delivered a set of algorithmic and architectural optimizations for a startup with 3D apartment visualization and design product.Improved rendering performance by 50% through code refactoring and optimizing in-app search algorithms to O(N) complexity. Some of the internal components and classes were rewritten to reuse resources, which allowed faster scene boot.Implemented custom camera animations using quaternions instead of Euler angles, enhancing the overall user experience.Fixed lots of ridiculous bugs. The project's 3D portion was built in three.js while the UI was implemented in vue. Show less

Nizhniy Novgorod, Russia

Developed a physically accurate sky and clouds simulation based on rendering techniques used by AAA game studios like Epic Games and Rockstar Games.Reverse-engineered D3D11 code samples and ported the techniques to WebGL, enabling real-time, high-fidelity atmospheric rendering in the browser.The project utilizes same or very similar techniques to the ones used in Unreal Engine 4 (the latest tech in the 2021).The project is built with vanilla JS and all the shaders implemented with… Show more Developed a physically accurate sky and clouds simulation based on rendering techniques used by AAA game studios like Epic Games and Rockstar Games.Reverse-engineered D3D11 code samples and ported the techniques to WebGL, enabling real-time, high-fidelity atmospheric rendering in the browser.The project utilizes same or very similar techniques to the ones used in Unreal Engine 4 (the latest tech in the 2021).The project is built with vanilla JS and all the shaders implemented with glsl. Few videos of it are available on my youtube channel. Show less

Built a Jupiter-like atmosphere simulation shader, which was planned to be a part of VR experience.Implemented a set of shaders including 2D fluid dynamics using gpu gems article and a volumetric renderer of the cloud-like substance.Shader is driven by the audio with data being extracted using web audio api. The result can be seen on vidina's youtube channel.

St Petersburg City, Russia

Developed a 3D knowledge map visualizer and it's administration system.Improved 3D model loading performance by 10x by optimizing search algorithms and utilizing buffer geometry data type of three.js (back then, they weren't default).Built an administration app from scratch using vanilla JavaScript and SASS for styling. UI featured user management components, excel like data management and many more.There were two front-end engineers on the project with me leading the development.

St Petersburg City, Russia

Participated in the development of CMS for TV broadcasting studios.Developed new UI features, improved performance of the existing UI elements and fixed tons of bugs.Project was written in AngularJS 1.7 with elastic search on backend.

Saint Petersburg, St Petersburg City, Russia

E-commerce project, front-end development for cosmetics oriented store.Implemented UI components for products purchasing. Optimized performance of the shopping items list loading.Project was written using Vue 2.1 and SCSS.

Nizhny Novgorod

2D space exploration game with in-house game engine built from the ground up with Pixi.js as a renderer.Implemented a 2D collision detection and resolution algorithms which support processing of any convex hulls.Developed AI navigation system which uses an obstacle avoidance algorithms instead of path-finding, which allows for more resource efficient NPC navigation. Implemented decision trees, which allow NPCs to behave differently based on their conditions (health, armor, etc.)… Show more 2D space exploration game with in-house game engine built from the ground up with Pixi.js as a renderer.Implemented a 2D collision detection and resolution algorithms which support processing of any convex hulls.Developed AI navigation system which uses an obstacle avoidance algorithms instead of path-finding, which allows for more resource efficient NPC navigation. Implemented decision trees, which allow NPCs to behave differently based on their conditions (health, armor, etc.). Implemented PID controller based steering which enabled smooth trajectory alignment, gradual velocity gain and overall realistic behavior.Implemented custom glsl shaders for visual effects, like blasters, mining rays and force fields.Implemented resource allocation system which allows to reuse entities created during run-time, so less GC load.The game features infinite, procedurally generated space and a system which allows to fetch resources from a sector of space gradually as player travels through it. There are no loading hang-ups ever. Built custom 3D models for ships in blender. Show less

Nizhniy Novgorod, Russia

Onboarding of a new customer, a telecom software company from Calgary. I was the main developer to conduct initial customer onboarding, establish team relationships and bring the knowledge and tech back to our HQ.Went to a business trip to Calgary, where I've spent a couple of weeks getting familiar with the team and the product. Conducted knowledge transfer to our team back home.Conducted regular SWE duties, such as bugfix and small new features development to get familiarized with the… Show more Onboarding of a new customer, a telecom software company from Calgary. I was the main developer to conduct initial customer onboarding, establish team relationships and bring the knowledge and tech back to our HQ.Went to a business trip to Calgary, where I've spent a couple of weeks getting familiar with the team and the product. Conducted knowledge transfer to our team back home.Conducted regular SWE duties, such as bugfix and small new features development to get familiarized with the codebase. Show less

Nizhniy Novgorod, Russia

Development of the Cloud based Telephony administration system.Designed front-end architecture of the application from the ground up. The resulting system was essentially an in-house front-end framework which relied on jQuery, vanilla JS and SaSS.Implemented drag-n-drop based IVR (interactive voice response) tree editor which allowed to easily setup voice response menu. The editor also featured zoom-in-out which made it convenient to design large trees.

Nizhniy Novgorod, Russia

Tool for bulk user update on remote system with no API.Multithreaded console based app written in C# using .net framework.The app allowed to update users on remote system acting as a human user and generating appropriate html form submissions. Output of the user settings conversion process to logs. Configurable amount of threads.

Nizhniy Novgorod, Russia

Development of live presentation tool on mobile from the ground up (mobile web app).Designed the architecture of the app.Implemented custom smooth scrolling with inertia (at the time only iOS had that).Implemented smooth menus which accurately follow the thumb and respond respectively to the speed of gesture (snappy or gradual).Implemented resource efficient approach to present slides which enabled high frame-rate animations on presentations no matter the size, even with… Show more Development of live presentation tool on mobile from the ground up (mobile web app).Designed the architecture of the app.Implemented custom smooth scrolling with inertia (at the time only iOS had that).Implemented smooth menus which accurately follow the thumb and respond respectively to the speed of gesture (snappy or gradual).Implemented resource efficient approach to present slides which enabled high frame-rate animations on presentations no matter the size, even with thousands of slides.Implemented websocket based chat, which also used efficient messages rendering and allowed to have thousands messages scrollable seamlessly. Show less

Nizhniy Novgorod, Russia

Part of Avaya service. Sustain project for one of the largest IP-telephony systems at the time.Conducted call-trace captures analysis, mostly SIP based, to identify potential source of the issues.Bugfixes in two gigantic codebases used by the system - a mixture of C and SL-1, proprietary language. Telephony setup analysis, task triage.