Senior Frontend Engineer

Develux - EssayPro + 25 white-label brands

About the Project

EssayPro is a large-scale EduTech marketplace connecting students with freelance academic writers and experts. The platform supports the full lifecycle of an academic service from creating a request and matching with specialists to communication, bidding, order management, payments, revisions and delivery. The target audience includes students and other customers looking for academic support, as well as freelance writers and internal teams managing orders and operations. The platform therefore contains both B2C customer-facing experiences and B2B/operational interfaces for Writers and Admins. I worked across entire product system, including customer flows, writer management cabinets, mobile web experiences, real-time chat, order updates, bidding workflows and AdminCRM. The system supported 20+ user roles with different permissions and access patterns.

• AI
• EdTech
• Customer Support

Responsibilities

- Built B2B/B2C portals and Admin CRMs using Angular and NGXS. - Led frontend architecture for an EduTech digital marketplace (EssayPro) and 25+ white label brand instances serving 1.5M+ users. - Migrated legacy Angular and Ionic apps into an Nx monorepo modular monolith, cutting PR volume by up to 50% and reducing deployment build time from ~20 to 10-14 minutes. - Engineered a custom Apple OAuth 2.0 auth integration to bypass auth library limitations and scaled seamless Apple ID sign-in across multiple client platforms. - Architected and deployed high-performance React and Next.js (SSR) applications on Vercel on a shared design system, achieving Lighthouse/PageSpeed scores of 95-100. - Integrated the ClickUp API to automate task creation, eliminating 200 manual entries and saving support and operational teams 8-10 working hours per week.

LegalTech SaaS - Cloud Document Drafting Platform

About the Project

A cloud-based LegalTech SaaS platform for creating, managing, and working with legal documents online. The product provides legal professionals and business users with tools for document drafting and structured document workflows, replacing traditional desktop-based document processes with a web-based environment. The application required complex forms, reusable UI components, document-oriented workflows, and reliable integration with backend services.

• LegalTech

Responsibilities

- Developed and maintained the frontend of a complex cloud-based document drafting platform using modern Angular and TypeScript. - Built reusable components and data-driven interfaces, integrated the application with REST APIs, implemented complex forms and user workflows and contributed to frontend architecture and performance improvements. - Worked closely with product, design, backend, and QA teams, participated in technical discussions and code reviews, and helped maintain a scalable and maintainable frontend codebase. - Created UI accessibility standards to align with WCAG AA/AAA guidelines across platform. - Expanded testing infrastructure with Jest, growing unit test coverage from ~20% to over 80%.

Soundblock - Blockchain MusicTech

About the Project

A blockchain-powered music platform designed to connect artists, music creators, and listeners through a digital music ecosystem. The platform combined music streaming functionality with blockchain-based capabilities, requiring intuitive consumer-facing interfaces as well as data-driven views for managing music and platform information. The product involved complex frontend workflows, API integrations, responsive interfaces, and interactive user experiences.

• Music And Audio
• Blockchain
• Entertainment
• Consumer Goods

Responsibilities

- Developed and maintained production frontend features for a blockchain-based music streaming platform. - Built reusable, component-based interfaces, integrated frontend functionality with backend APIs, implemented responsive user experiences, and worked on data-driven screens and user-facing workflows. - Collaborated with backend engineer and CTO to deliver features and improve the overall usability, maintainability and performance of the application.

NymCard

About the Project

Enterprise BaaS and banking platform enabling financial institutions and fintech companies to issue and manage payment cards and related financial services. The platform includes security-sensitive administrative interfaces, card management workflows, user and account management, KYC-related processes, transaction and operational data, and integrations with backend banking services. The product is designed for financial institutions and fintech teams operating in a regulated environment where security, reliability, and data accuracy are critical.

• Banking
• Fintech

Responsibilities

- Developed and maintained production-ready Angular applications and reusable UI components for a security-critical FinTech platform. - Integrated frontend applications with REST APIs and backend banking services, implemented complex asynchronous workflows and KYC/KYB verification, authentication and token refresh flows, and built data-driven administrative interfaces. - Contributed to frontend architecture and technical decisions, performance optimization, code reviews, testing, and maintainability improvements. - Collaborated closely with backend engineers, QA, product and other cross-functional teams to deliver features from requirements through production.