Maria Ebrahimi
Maria Ebrahimi
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Solar & Wind Energy Management

Solar & Wind Energy Management

Solar & Wind Energy Management

SWEM is a mission-critical platform designed for the real-time monitoring and management of large-scale solar and wind power plants.

ROLELead Frontend Developer
PLATFORMWeb Application
INDUSTRYRenewable Energy
Timeline6 Months
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Project Overview

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01

A Unified Command Center for National Renewable Energy

SWEM is a mission-critical platform designed for the real-time monitoring and management of large-scale solar and wind power plants. As lead frontend developer, I built the interface layer, state architecture, and component system that let operators track performance, manage maintenance schedules, and analyze energy production data — all in one place.

A complete digital transformation for auto service centers
ROLELead Frontend DeveloperEnd-to-end ownership
PLATFORMWeb AppDesktop + Mobile
INDUSTRYRenewable EnergySolar & Wind Energy
GOALRebuilding the FrontendReplace legacy systems

Key Screens

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02
Engineered for speed and reliability
Each interface was optimized through multiple rounds of performance profiling and cross-device QA.
Built Fast & Scalable Interfaces
Engineered Complex Interactive Systems
Delivered Pixel-Perfect & Responsive UI
Optimized Real-Time Data Rendering
Implemented Reusable Component Architecture
Reduced Bundle Size & Load Times
Built Accessible, Cross-Browser UI
Automated Testing & CI/CD Pipeline
Scaled Design Tokens Into Code
Shipped Production-Ready Dashboards

Project Problem

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03

Legacy architecture was costing time, performance ,and operational stability.

Before our solution, the renewable energy monitoring frontend relied on an untyped, monolithic codebase and fragmented data-fetching patterns to track power output, manage grid stability, and respond to site incidents. This resulted in significant latency, unpredictable re-renders, and a codebase that was difficult to extend safely.
High latency in rendering massive datasets from multiple power plants
Inconsistent component patterns causing duplicated logic across the app
No type safety, leading to runtime errors in production
Lack of real-time intelligent data sync leading to stale dashboards
Unoptimized re-renders hindering rapid, mission-critical decision making

Stakeholder Needs

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04
What business owners needed
Through discovery interviews with owners, four critical technical requirements emerged.

Real-time Monitoring

Low-latency data pipelines for granular visibility across all assets.

Storage Optimization

Efficient client-side state management for battery capacity and energy reserve data

Data Scalability

Robust component architecture capable of managing hundreds of sites without degrading

Performance

Optimized rendering pipeline for near-instant dashboard responsiveness

Customer Needs

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05
What company owners actually needed
Surveying company owners revealed clear technical expectations that no legacy system was currently meeting.
Fast, lag-free visualization of complex energy production metrics
Immediate delivery of critical alerts and fault notifications
Configurable dashboards that don't require a page reload
High stability and consistent performance across all devices

Design Process

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06

RESEARCH

Auditing the legacy codebase to identify performance bottlenecks and tech debt

System Architecture

Structuring state management and data flow to reduce re-render overhead

Prototyping

Technical spikes, API contracts, component flow diagrams

Prebuilt Component Library

Building a typed, reusable component library for consistency

Development

Production-ready components, state logic, API integration

Testing

Unit/integration testing and performance profiling with real datasets

Handoff

Documentation, CI/CD setup, code review, deployment

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  1. RESEARCH

    Auditing the legacy codebase to identify performance bottlenecks and tech debt

  2. System Architecture

    Structuring state management and data flow to reduce re-render overhead

  3. Prototyping

    Technical spikes, API contracts, component flow diagrams

  4. Prebuilt Component Library

    Building a typed, reusable component library for consistency

  5. Development

    Production-ready components, state logic, API integration

  6. Testing

    Unit/integration testing and performance profiling with real datasets

  7. Handoff

    Documentation, CI/CD setup, code review, deployment

The Solution

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07
Four engineering pillars that transformed daily operations

Centralized Data Layer

[01]

Unified disparate site data feeds into one normalized, cache-aware state layer.

Performance Boost

[02]

Reduced main dashboard load time by 70% through code-splitting and memoization.

Rendering Overhaul

[03]

Replaced heavy table rendering with virtualized, interactive charts.

Component Architecture

[04]

Built a typed, tested component library that ensures consistency and scalability across all products.

Learning & Reflections

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08
01

Performance Engineering Requires Domain Context

Rendering live energy output from dozens of power plants isn't just a charting problem — it requires understanding which data operators actually need at 2am when an alert fires. Close collaboration with engineers and site operators shaped which metrics needed sub-second updates versus which could be lazily loaded.

02

Predictive Alerting Changes How You Architect State

When operators are flooded with notifications, the UI needs to debounce and prioritize at the data layer, not just the presentation layer. I learned that building an efficient event-filtering pipeline was more valuable than adding more real-time listeners. Alert noise is a state-management problem as much as a UX one.

03

Scalability Must Be Architected In, Not Refactored Later

With hundreds of power plant sites potentially being added over time, components that rendered fine for 10 sites caused visible jank at 50. Building virtualization, memoization, and modular component boundaries from day one was one of the most important engineering decisions of this project.

04

Real-World Testing Revealed Edge Cases No Spec Covered

Operators had developed workarounds inside the old system — patterns of usage we never would have discovered without profiling real sessions. Those edge cases became test cases. Without instrumentation and field testing, we would have shipped a faster version of the wrong data model.

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