Alexander

ALEXANDER DEREVYANKO
SENIOR SOFTWARE ENGINEER
[open contact info](look above in the "contact info" section) | [[open contact info](look above in the "contact info" section)] | Telegram: @roLan_D1
LinkedIn: [open contact info](look above in the "contact info" section)

SUMMARY
Senior Software Engineer with 9+ years of experience building and evolving complex enterprise applications with
Angular/React and TypeScript, spanning healthcare, real-time analytics and multi-tenant B2B platforms.

CORE SKILLS
Core Frontend: TypeScript, JavaScript, HTML5, CSS3, Angular (v2–v21), RxJS, NgRx, Angular Signals, Standalone Components,
Reactive Forms, Angular SSR, React, React Hooks, Context API, React Hook Form, React Router, React Testing Library, Next.js,
App Router, Server Components, Client Components
Leadership: Technical leadership, team leadership (3–6 engineers), hiring and technical interviewing, mentoring, estimation
and delivery planning
AI-Assisted Engineering: Claude, ChatGPT, Gemini, Copilot, Cursor; custom Claude agents, commands and reusable
development workflows adopted by the team
Frontend Architecture: Micro-frontends, Nx monorepo, Webpack Module Federation, Domain-Driven Design, SOLID, design
patterns, component architecture, state management
APIs & Data: REST APIs, asynchronous data flows, Firebase, Firestore, BigQuery, PostgreSQL, MySQL
Cloud: Google Cloud Platform (GCP), Cloud Functions
Testing & Quality: Playwright, Cypress, Jest, Vitest, Jasmine, Karma, unit/integration/E2E testing, SonarQube
UI & Performance: Angular Material, AG Grid, Kendo UI, D3.js, Highcharts, Storybook, performance optimisation, Core Web
Vitals
Build & Delivery: Git, Vite, Webpack, Sentry, Nginx, CI/CD (Bitrise, GitLab CI), Jenkins
Mobile & Product Analytics: Ionic, Cordova, Xcode, Android Studio, Amplitude, Braze, GA4, Kameleoon, A/B testing
Methodologies: Agile, Scrum, Kanban, SAFe

PROFESSIONAL EXPERIENCE

SPRIBE | Senior Frontend Engineer | Nov 2024 - Current
Multi-tenant B2B SaaS platform for real-time interactive entertainment products, serving enterprise operators across multiple
markets
• Develop and maintain frontend modules for a multi-tenant platform using Angular, TypeScript, NgRx, Signals and Nx.
• Build configurable business rules and campaign workflows that let operators launch campaigns without tenant-specific
code changes.
• Keep the codebase maintainable through clear module boundaries and shared interfaces as new features and
integrations are added.
• Build admin interfaces with AG Grid and dynamic forms for large datasets and tenant-specific settings.
• Maintain the platform’s SSR setup and expand automated testing with Playwright in the CI pipeline.
• Integrate 2+ third-party providers through shared interfaces and adapters, making it easier to add providers without
changing existing business logic.
• Create custom Claude Code commands and reusable development workflows, including a unit-test generation command
with project-specific rules and conventions, adopted by 4+ developers.
• Contribute to frontend architecture decisions, code reviews and shared development practices across a 20+ person
cross-functional team.

TechMagic | Senior Frontend Engineer | Apr 2022 - Nov 2024
Healthcare and parenting platform for the US market - web and mobile product, 50+ person organisation, including a dedicated AI
product pod
• Developed web and mobile features for a parenting app used by 5M+ families, using Angular, Ionic, Cordova and
TypeScript.
• Developed frontend features for Berry AI, including chat UI, AI-powered logging and personalized child insights. Berry AI
is rated 4.9 by 69,000+ parents.

• Developed 15+ Google Cloud Functions for different use cases, integrating them with the mobile app using Firebase and
Firestore to support personalized, milestone-based features.
• Migrated dozens of components from Vue.js to Next.js to standardize the React ecosystem and improve SEO -
https://huckleberrycare.com/
• Owned frontend technical decisions and collaborated with product, design and backend engineers across a 50+ person
organisation; mentored 3+ mid-level engineers.
• Implemented personalized milestone-based features (e.g., birthdays and New Year) that aggregated child-related data,
including sleep insights, helping drive user engagement and retention.
• Implemented product analytics and A/B testing using Amplitude, Braze, GA4 and Kameleoon, supporting dozens of
experiments throughout product development.

SoftServe | Software Engineer → Senior Software Engineer | Sep 2018 - Apr 2022
Enterprise healthcare and cloud-analytics programmes for US and global clients · Promoted to Senior Software Engineer in Jan 2020
• Migrated 10+ legacy Visual Basic modules to a web platform built with Angular, Nx and Webpack Module Federation,
enabling independent deployment of frontend modules.
• Led teams of 3-6 developers within a 30-person project, handling technical decisions, planning, estimates and mentoring.
• Interviewed and hired 3-5 frontend engineers and introduced code review, testing and branching standards across teams.
• Optimized the unit-test pipeline for a healthcare project, reducing execution time from 20-30 minutes to 5-8 minutes (up
to 75% faster) and speeding up feedback during development.
• Built a real-time analytics platform using Angular, PostgreSQL, D3.js and Highcharts, with 30+ visualizations for inventory,
monitoring, alarms, root-cause analysis and capacity management.
• Adapted frontend data flows to an event-driven architecture, handling asynchronous updates in a legacy healthcare
system.

CHI Software | JavaScript Developer | Oct 2017 - Sep 2018
Web, mobile, browser-extension and monetisation platform
• Led a team of 3 frontend developers building web interfaces, real-time features and browser extensions using Angular,
JavaScript and Socket.IO.
• Built an internal admin dashboard with 10+ workflows, role-based access, CRUD operations and real-time analytics,
centralizing data management and reporting.
• Worked with stakeholders to demo features, gather feedback and deliver updates in two-week sprints.

Ant House | Frontend Developer | Jan 2017 - Oct 2017

EDUCATION
• MSc, Information Systems and Technologies - Kharkiv National University of Economics, 2017
• BSc, Computer Science - Kharkiv National University of Economics, 2016
• Kharkiv Patent and Computer College - Junior Specialist, Software Development, 2010–2014

CERTIFICATION & PUBLICATIONS & SPEAKING
• Microsoft - Programming in HTML5 with JavaScript and CSS3 (70-480), 2019
• "Custom decorators in Angular" - ITNEXT: itnext.io/custom-decorators-in-angular-c54da873b3b3, 2020
• Speaker, "RxJS Schedulers" - Angular Kharkiv Meetup: youtube.com/watch?v=8Sepez-GMhI, 2018

LANGUAGES
• English - professional working proficiency (daily use with US and international clients in distributed teams).
• Ukrainian - native.
• Russian - fluent.