Zam Bidzhelov

Frontend Architect and Senior Software Engineer specializing in the design and delivery of high-performance, scalable web applications capable of handling high traffic and peak-load scenarios. Focused on building resilient frontend architectures that ensure performance, maintainability, and predictable UI behavior under high concurrency and data-intensive workloads.

Experienced in designing frontend architectures for process-driven and automation-oriented systems, integrating with workflow and business process engines such as Camunda and BPMN-based platforms. Skilled in modeling long-running processes, task lifecycles, state transitions, and human-in-the-loop workflows, with clear visualization of process state, task ownership, and execution progress.

Expert in client-side performance optimization, state and data management, and modern reactive frontend state architectures, delivering fast, responsive interfaces through efficient rendering strategies.

Strong background in scalable, modular, component-driven architectures, including microfrontend patterns, enabling independent development and deployment across large, distributed teams.

Applies a pragmatic, data-driven approach to frontend engineering, with a solid understanding of process-centric UI patterns such as task queues, workflow dashboards, form-driven steps, and event-based updates. Works closely with backend, DevOps, automation, and product teams to deliver robust frontend solutions that perform reliably during peak traffic events, process-heavy operations, and automation-driven workflows.

+34 602 039 916
zam.bidzhelov@gmail.com

Frontend Architecture & Automation Solutions

High-Load Frontend & Platform Integration

Design and implementation of high-performance frontend architectures integrated with backend platforms, CRM systems, and financial services such as Plaid and similar APIs. Data management for complex frontend applications, implementing predictable, high-performance state architectures using reactive state management libraries and patterns. Focused on scalability, data consistency, and reliable operation under peak-load conditions.

Process-Driven Web Applications

Architecture and development of event-driven, process-oriented web applications, including workflow dashboards, task-based UIs, and real-time data visualization. Designed to support long-running processes, human-in-the-loop workflows, and automation engines such as Camunda and BPMN-based platforms.

Cross-Platform & Real-Time Applications

Development of cross-platform web and hybrid applications with real-time data synchronization, optimized for high concurrency and responsive user interaction. Integration with process backends, event streams, and automation services.

Process-Centric UI & UX Design

Design of process-aware UI/UX solutions focused on task queues, workflow visualization, state-driven interfaces, and data-intensive dashboards. Emphasis on clear separation of process state, business rules, and presentation logic.

Professional References

Professional Experience

Professional Skills

Frontend Architecture & Coding Skills

JavaScript (ES6+)

TypeScript

Microfrontend Architecture

Process-Oriented UI Modeling

NGRX

RxJS

Java

Redux

ThreeJs/Shaders

Web Compponents

Ej2 Libraries

SASS/LESS

Tailwind CSS

HTML5/CSS

Backend, Cloud & Automation

Workflow Engines (Camunda)

BPMN / Process Automation

PostgreSQL

pgAdmin 4

MongoDB

Mongoose

Docker / Docker Compose

CI/CD with Docker

CI/CD with GIT Jenkins Octopus

AWS Lambda

AWS Services

OpenId Connect/OAuth2.0

Nginx Server

Linux administration

Frameworks & Platforms

Angular 13

NodeJS NPM

NX Workspace

Ionic

React

React Native

VueJs

Next

NestJs

Storybook

Keycloak

GIT / Bitbucket / GitLab

Process-Centric UI & UX

Workflow & Dashboard UX

Task-Based UI Design

Adobe Creative Cloud

Adobe Figma

Web UI Design

Mobile App UI Design

Logo Design

Graphic Design

Print Design

Languages

English

Full Professional Fluency

French

Professional Working

Spanish

Full Professional Fluency

Catalan

Professional Working
+34 602 039 916
zam.bidzhelov@gmail.com

Professional Experience

Professional Background

2024
DEUTSCHE TELEKOM

Senior Frontend Engineer

Worked as a Senior Frontend Engineer on enterprise-scale applications, responsible for designing and delivering of high-performance, scalable frontend systems operating under high traffic and data-intensive workloads. Focused on building resilient, maintainable frontend architectures that ensure predictable UI behavior under high concurrency.

Designed and implemented process-driven frontend architectures integrated with workflow and business process automation platforms, including Camunda and BPMN-based systems. Built frontend layers capable of modeling long-running processes, task lifecycles, state transitions, and human-in-the-loop workflows, providing clear visualization of process state, task ownership, and execution progress.

Developed workflow dashboards, task queues, and form-driven process interfaces, enabling users to efficiently interact with automation-driven business flows. Emphasized event-driven UI updates and reactive state management to keep frontend state synchronized with backend process engines in real time.

Applied advanced client-side performance optimization strategies and modern reactive state architectures to deliver fast, responsive interfaces while maintaining scalability and long-term maintainability. Leveraged modular, component-driven architectures, including microfrontend patterns, to support independent development and deployment across distributed teams.

Collaborated closely with backend, automation, DevOps, and product teams to align frontend architecture with business processes, infrastructure constraints, and enterprise standards, ensuring reliable operation during peak traffic events and process-heavy workflows.

Technologies & Architecture
Frontend: Angular, NX, Libraries, TypeScript
State & Reactivity: RxJS, reactive state management
Process Automation: Camunda, BPMN-based workflow engines
Architecture: Modular component architecture, microfrontends
Integration: REST APIs, event-driven communication

2022 - 2024
LL FOUNDS

Full Stack Architect / Team Lead

Led the development of a financial services platform, contributing across frontend, backend, and system integration layers. Took ownership of platform architecture and implementation, including secure and scalable integrations with external financial providers such as Bloomberg and Plaid, enabling real-time access to market data, account information, and transaction flows.

Designed and implemented a real-time financial reporting system, aggregating data from multiple sources to provide instant visibility into orders, invoices, financial events, and expenses. Built data processing and visualization layers optimized for low-latency updates and accurate financial insights.

Developed a flexible, user-driven reporting framework that allowed users to create personalized, role-based reports, supporting custom filters, aggregations, and data views without requiring additional backend development.

Implemented a reactive, modular frontend architecture using React and Angular, leveraging RxJS for asynchronous data streams and real-time updates. Adopted an Nx-based monorepo to enable shared libraries, consistent standards, and scalable team collaboration across web and mobile applications.

Built and integrated backend services using NestJS, implementing secure APIs and authentication flows based on OpenID Connect and OAuth 2.0. Containerized services using Docker and deployed the platform within an AWS cloud environment, ensuring scalability, reliability, and operational consistency.

Extended the platform to additional interaction channels, including mobile applications built with React Native and voice-based interfaces using Alexa Skills and Alexa APL, enabling hands-free access to financial insights and reports.

Technologies & Architecture
Frontend: React, Angular, React Native, Storybook
State & Data Flow: RxJS, JSON-based data models
Monorepo & Tooling: Nx
Backend: NestJS
Security & Authentication: OpenID Connect, OAuth 2.0
Infrastructure & DevOps: AWS, Docker
Integrations: Bloomberg, Plaid
Voice Interfaces: Alexa Skills, Alexa APL

2020 - 2022
ALPHA SCHOOLS GROUP

Frontend Architect / Team Lead / UX Designer

Led the end-to-end development of a CRM platform for educational institutions, covering frontend architecture design, application implementation, and real-time system integration. Designed and implemented a scalable frontend architecture to support complex workflows including academic management, administrative operations, data ingestion, reporting, and real-time communication.

Developed a modular, reactive frontend system using Angular and React, enabling predictable state management and efficient data flows across management dashboards, reporting tools, and communication modules. Implemented real-time data visualization interfaces to deliver live operational insights, leveraging WebSocket-based communication for low-latency updates.

Designed and delivered an advanced reporting and analytics layer, integrating Elasticsearch for fast querying and large-scale data aggregation, enabling the creation of customizable, role-based reports tailored to institutional needs.

Integrated a real-time communication and notification system to enable seamless interaction between educational staff and family members, supporting messaging, alerts, and digital assistance features. This significantly improved engagement, responsiveness, and operational transparency across the platform.

Collaborated closely with backend services built on Node.js and NestJS, implementing efficient API consumption, event-driven data updates, and scalable client-server communication patterns. Deployed and operated the platform within a cloud-based AWS infrastructure, ensuring reliability, scalability, and performance.

Technologies & Architecture
Frontend: Angular, React, Ionic, RxJS, NgRx, Nx (monorepo architecture)
Backend Integration: Node.js, NestJS, WebSockets (real-time, socket-based communication)
Data & Search: Elasticsearch (analytics, reporting, large-scale data aggregation)
Infrastructure & Cloud: AWS (scalable cloud deployment and operations)
Architecture Patterns: Reactive programming, modular component-based architecture, real-time event-driven systems

2018 - 2020
GROUP ISAGRI

Data-Oriented Frontend Engineer / UX Designer

Led the design and development of a financial management and accounting platform tailored for the agricultural sector. Contributed across business analysis, frontend development, and UX design, translating complex accounting requirements into clear, usable digital workflows.

Analyzed and consolidated financial and accounting data from multiple sources to establish a unified business visualization and reporting system. Designed data models and processing flows to ensure consistency, traceability, and accuracy across financial records.

Designed and implemented a centralized financial visualization interface aimed at minimizing manual reconciliation efforts and enabling real-time operational processes. This interface provided consolidated views of financial activity, improving transparency and decision-making.

Built a robust aggregation system to combine orders, invoices, events, and real-time expense data into a single, coherent financial overview. Implemented interactive data visualizations using Canvas-based rendering for dynamic and performant charting.

Engineered a flexible reporting toolset that enabled users to generate precise, personalized financial reports, supporting custom filters, data groupings, and domain-specific business requirements without additional development effort.

Technologies
Node.js, Angular, Ionic, RxJS, Canvas, JSON

2017 - 2017
SEGUR

Full Stack Developer

Contributed to the design and development of a security platform for large-scale data processing, supporting high-volume data ingestion and real-time analysis in systems integrated with machine learning and neural network components.

Designed and implemented security-focused applications to reinforce and integrate video surveillance and facial recognition systems, enabling real-time event processing, monitoring, and alerting workflows.

Built real-time communication layers using WebSocket-based messaging to support low-latency data streams between backend services and frontend monitoring interfaces.

Developed frontend interfaces using Angular 4 and Ionic 3, applying reactive programming principles with RxJS to manage asynchronous data flows and live system updates.

Implemented backend services using Node.js, LoopBack, and Express, exposing structured JSON-based APIs to support scalable data exchange between security subsystems.

Technologies
Node.js, Angular, Ionic, RxJS, LoopBack, Express, WebSockets, JSON

2016 - 2017
ALRAJHI BANK

Full Stack Developer

Contributed to the development and ongoing evolution of a mobile banking application, participating in the design, implementation, and maintenance of the bank’s core digital banking platform. Supported continuous monitoring, review, and enhancement of application features to meet security, performance, and regulatory requirements.

Designed and implemented an administrative communication system to support internal banking operations, enabling secure data exchange and workflow coordination across backend services and client applications.

Developed frontend interfaces and defined data structures and application workflows to support core banking operations, ensuring consistency between user interactions, business logic, and backend services.

Implemented asynchronous request handling using ES6, RxJS Observables, and WebSocket-based communication to support real-time updates and responsive user experiences. Built and consumed RESTful APIs supporting full CRUD operations across banking modules.

Applied unit testing and integration testing practices to validate system behavior, ensure data integrity, and support stable releases within a security-sensitive financial environment. Participated in code reviews and quality assurance processes to maintain platform reliability.

Integrated SMS-based One-Time Password (OTP) validation systems to support secure authentication and transaction verification for mobile banking users.

Technologies
Node.js, Angular, Ionic, Cordova, REST APIs, CRUD, RxJS, WebSockets, SMS OTP Validation Systems

2012 - 2016
WEB STUDIO BARS

Full Stack Developer

Designed and developed high-traffic web applications serving large user bases, including web portals, trading platforms, e-commerce systems, social networking applications, and affiliate marketing platforms. Focused on building scalable, performance-oriented architectures capable of supporting high concurrency and sustained user activity.

Implemented real-time, interactive web applications, including user registration and authentication systems, live chat functionality, and dynamic data visualization using HTML5 Canvas–based charts. Applied asynchronous communication patterns to ensure responsive user interfaces and low-latency updates.

Developed backend services using Node.js and Express, exposing structured JSON- and XML-based APIs consumed by frontend applications via AJAX and asynchronous HTTP requests. Ensured efficient client–server communication and reliable data exchange across system components.

Technologies
Node.js, AngularJS, Express, AJAX, jQuery, Bootstrap, JSON, XML

+34 602 039 916
zam.bidzhelov@gmail.com

Portfolio

My Works
SoundCloud Audio

SoundCloud Audio

SoundCloud
Media Project 2

Media Project 2

Media
Vimeo Video 1

Vimeo Video 1

Vimeo Videos
Media Project 1

Media Project 1

Media
Mockup Design 1

Mockup Design 1

Mockups
YouTube Video 1

YouTube Video 1

YouTube Videos

Contact

Get in Touch

415-832-2000

San Francisco

alex@example.com

Freelance Available

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