Ivan Frolov

Software Engineer

Novi Sad, Vojvodina, Serbia12 yrs experience

Most Likely To Switch

Key Highlights

Led high-load advertising frontend systems at Microsoft.
Increased merchant onboarding rate by 40% with innovative dashboard.
Mentored over 20 students in JavaScript frameworks.

Stackforce AI infers this person is a Full-Stack Developer specializing in AdTech and SaaS solutions.

Contact

Skills

Core Skills

TypescriptReactMentoringProject ManagementLeadershipAngularFull-stack DevelopmentSoftware DevelopmentReact.js

Other Skills

A/B TestingAJAXActionScriptAdTechAlgorithmsAndroidAngularJSBootstrapCSS3CapacitorCode ReviewColdFusionD3.jsData AnalysisData Structures

About

Experienced developer with a focus on ad tech, building services with Typescript, Python and Rust. Recently developed a Telegram bot with LLM integration (chatGPT API) using Python + FastAPI, PostgreSQL, Docker, and Redis. Additionally, I have hands-on experience with frontend development using JavaScript, React and Angular Feel free to ping me via telegram: @ivan_codes

Experience

12 yrs

Total Experience

2 yrs 2 mos

Average Tenure

3 yrs 1 mo

Current Experience

Microsoft

Software Engineer 2

Dec 2023 – Present · 2 yrs 6 mos · Belgrade, Serbia · Hybrid

JavaScript sdk engineer in the Microsoft Ads team. Display Ads and HTML5 creatives rendering.
● Owned end-to-end lifecycle of high-load advertising frontend systems which are used by millions of users across the globe every day: feature design, implementation, CI/CD, production deployment, metrics, alerting and incident resolution.
● Operated without a dedicated SRE team — built and maintained monitoring/alerting (Azure alerts, KQL), managed on-call rotations and ensured system stability 24/7.
● Actively participated in post-mortems and root cause analysis to improve system reliability.
● Improved ad banner templates and raised viewability rate and click through rate by 5-10%.
● Collaborated with internal teams, including graphic designers, QA testers and PM to develop and launch new ad templates in just 3 months, ahead of schedule by 2 months.
● Incorporated A/B testing with our release process that decreased the failure rate of critical changes by 30%.
● Setup 4 real time dashboards with various data sources to monitor the product metrics during releases.
● Wrote readable and useful documentation, which already helped 3 new developers to onboard quickly and smoothly.

Microsoft AzureTypeScriptReactPlaywrightNxWebpack+2

The rolling scopes school

Mentor

May 2023 – Present · 3 yrs 1 mo · Нови Сад, Воеводина, Сербия · Remote

● Helped 20+ students to complete javascript/react/angular courses over past 1.5 years
● Conducted 100+ code reviews
● Helped students to complete 4 final course projects

MentoringProject ManagementTeam MentoringTypeScriptCode Review

Mercury development, llc

Lead Software Engineer (Frontend)

Jan 2023 – Dec 2023 · 11 mos · Нови Сад, Воеводина, Сербия · Hybrid

● Led the team of 4 frontend developers.
● Conducted code reviews, tasks management, tech debt management.
● Added state management to the application which drastically increased the maintainability of UI
components and reduced Time To Market of features by 15%.
● Added unit testing with Jest which increased reliability of the application. Coverage is about 82%.
● Added SonarQube for code quality checking
● Improved the process of tasks decoupling by incorporating a strict ticket template which reduced the amount of unclear requirements and reduced Time To Market by 30%.
● Significantly reduced the cost of usage of Google Maps api by 70% by migrating to Google Maps Static Api and adding caching.
● Other duties: Improving team processes, making tasks refinement, sprint plannings and retrospectives

Team MentoringLeadershipFirebaseionicGoogle MapsXcode+10

Unlimint

Full Stack Engineer

May 2022 – Jan 2023 · 8 mos · Нови Сад, Воеводина, Сербия · Hybrid

Developed and maintained a dashboard for merchant onboarding using Angular, ngzorro, NestJS, MongoDB and Mongoose, which helped to increase the rate of merchants joining to the platform by 40%.
Created a whitelabel solution for issuing credit cards in collaboration with other teammates, including developers, designers, QAs and PMs, for just 4 months, which was ahead of schedule by 1m.
Incorporated dynamic components which added flexibility and helped to create 15+ credit card form templates.
Built a payment form using Angular, dynamic components and customisation. Utilized Angular, Storybook, Nest.js and Docker.
Tested UI components with Jest

MongoDBdockerAngularNestJSreduxTypeScript+2

Mynd

Senior Frontend Developer (Angular) at Mynd

Jun 2020 – May 2022 · 1 yr 11 mos

Developed and maintained https://www.mynd.co/ platform for real estate management using Angular, NgRX, GitLab, SCSS, Kotlin, and Postgres, Okta as SSO tool.
Implemented a realtime chat application in close collaboration with backend team using Angular and socket.io, which helped to reduce the time support request answer by 50%.
Tested ui-components with Jest and increased tests coverage by 30%.

RxJSdockerUpworkwebsocketAngularOkta Single Sign-On+2

Draewil

Senior Frontend Developer

May 2018 – Jun 2020 · 2 yrs 1 mo · Санкт-Петербург, Россия

Senior Front End Developer
Developed and maintained a logistics product using AngularJS 1.7+ and Angular 8.
Implemented ngx-translate npm packet for localization.
Split the app into many lazy loading modules to increase page loading speed.
Implemented custom module preloading strategy for selective loading of important modules.
Utilized Server-Side-Rendering for optimization.
Utilized Angular-Material UI and D3.js for admin panel.
Created a part of the UI kit and implemented CONTROL_VALUE_ACCESSOR for proper functionality in template driven and reactive forms.
Migrated the AngularJS app to Angular 2+ using ng-metadata lib.
Set up 'sentry' package for errors logging.

ui-kitAlgorithmsSoftware DevelopmentSSRAngularD3.js+3

Yumasoft

Full Stack Engineer

Jun 2014 – May 2018 · 3 yrs 11 mos · Saint-Petesburg

Full Stack Developer
Developed and maintained a stack of donation collection applications for American companies.
Wrote an application for a call center using Flex (ActionScript3), an online donation gift store using AngularJS, and an Android application for volunteers to collect donations.
Migrated app from AngularJS to Angular.
Developed admin page using Bootstrap, Chart.js and D3.js.
Developed APIs with JWT and OAuth using ColdFusion.
Wrote an app for call center employee scheduling and time management using Angular 2.

AlgorithmsjQuerySoftware DevelopmentColdFusionReact.jsJava Virtual Machine (JVM)+1