Titus – Typescript, React, React Native, experts in Lemon.io

Titus

From Romania (UTC+3)flag

Front-end Web Developer|Senior
Mobile Developer|Senior

Titus – Typescript, React, React Native

Titus is a Senior Frontend and Mobile Engineer with strong expertise in React and React Native, complemented by hands-on experience with TypeScript, Node.js, and full-stack development. He has delivered complex web and mobile applications across multiple industries, including offline-first solutions, enterprise platforms, and workflow automation systems. His strengths include frontend and mobile architecture, reusable component development, technical leadership, and end-to-end feature delivery. Titus has led teams of up to 4 developers and demonstrates strong ownership, clear communication, fluent English, and effective collaboration with clients and cross-functional stakeholders.

7 years of commercial experience in
Administration
Advertising
Architecture
Communications
Construction
Management
Manufacturing
Marketing
Mining and minerals
Public services
Social impact
Social services
Content management
Main technologies
Typescript
7 years
React
7 years
React Native
5 years
Additional skills
PostgreSQL
Nest.js
Firebase
Fastlane
JavaScript
MySQL
MongoDB
Sentry
Firebase Crashlytics
Spring Boot
Node.js
Direct hire
Possible
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Experience Highlights

Lead Developer
Mar 2025 - Apr 20261 year
Project Overview

Mobile application enabling field inspection teams and municipal workers to review construction plans, annotate drawings, document inspections, and capture location-linked photos offline, with automatic cloud synchronization when connectivity is restored.

Responsibilities:
  • Led a team of 2 developers, coordinating development activities and collaborating with stakeholders and designers;
  • Established the React Native application architecture and boilerplate within a Turborepo monorepo;
  • Applied the Strategy design pattern to create reusable methods for platform-specific functionality within a shared library, reducing code duplication;
  • Modernized the local SQLite data layer using Drizzle ORM and TanStack Query, introducing reusable hooks for data access;
  • Implemented automated application distribution pipelines using Fastlane and Firebase App Distribution;
  • Managed app store listings and published the application to mobile app stores.
Project Tech stack:
React Native
Firebase
Firebase Crashlytics
Firebase Cloud Messaging
Electron.js
Vite
SQLite
ORM
Turborepo
Fastlane
TanStack
Senior Full Stack Developer / Technical Lead
Oct 2019 - Apr 20266 years 5 months
Project Overview

Enterprise health and safety platform for industrial operations, enabling real-time incident reporting, site inspections, equipment management, risk assessments, and corrective action tracking. Supports offline mobile data collection, automated synchronization, and administrative dashboards.

Responsibilities:
  • Developed the initial application from project setup through production deployment and app store publication;
  • Collaborated with the client, designers, and developers to define requirements, plan features, and present releases;
  • Led a team of four developers in building a modular system for equipment inventory and inspections, risk assessments, a custom chatbot builder, and document management;
  • Restructured the application into an Nx monorepo to enable module sharing between web and mobile platforms;
  • Implemented CI/CD pipelines and automated mobile application distribution using Fastlane.
Project Tech stack:
React
React Native
NX
Fastlane
Firebase
MySQL
MongoDB
Java
Spring Boot
Technical Lead
Dec 2024 - Jan 20261 year 1 month
Project Overview

Digital platform for local authorities modernizing social services administration through department-specific workflows, dynamic forms, automated data pre-filling, document generation with hierarchical approvals, and asynchronous task processing.

Responsibilities:
  • Designed the frontend, backend, and mobile application architecture;
  • Collaborated with lead developers to design modular asynchronous workflows and database structures;
  • Established the frontend architecture within an Nx monorepo, developing complex reusable components and shared functionality across web and mobile applications;
  • Set up the backend foundation and integrated Temporal for asynchronous workflow orchestration;
  • Implemented automated pipelines for code formatting, linting, and testing;
  • Collaborated with designers to ensure the technical feasibility of proposed solutions;
  • Led a team of four developers, coordinating development activities and supporting sprint delivery;
  • Worked closely with product owners, business analysts, and stakeholders to align requirements, communicate progress, and coordinate between business and engineering teams;
  • Identified and escalated technical blockers and delivery risks to keep development on track.
Project Tech stack:
React
React Native
Typescript
Java
MongoDB
MySQL
Temporal
TanStack
Zustand
Jira
Bitbucket Pipelines
NX
Senior Full Stack Developer
Dec 2020 - Nov 20243 years 10 months
Project Overview

Unified digital advertising platform enabling businesses to create and manage campaigns across multiple publishers, configure performance-based alerts, and analyze advertising data through customizable metrics and variables.

Responsibilities:
  • Developed frontend and backend features, performed unit testing, and resolved bugs across the platform;
  • Enhanced the campaign builder with real-time ad previews, input validation, and error handling;
  • Refactored and modernized legacy functionality within the campaign management workflows;
  • Delivered end-to-end features from Figma designs to production, collaborating with designers and QA engineers;
  • Participated in product and architectural discussions to shape user-facing functionality and technical solutions.
Project Tech stack:
React
Node.js
Express.js
MongoDB
AWS
Redis
Heroku
Unit testing

Education

2019
Computer Science
Bachelor of Engineering

Languages

Romanian
Advanced
German
Intermediate
English
Advanced

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