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sinkusingh173

Sinku Singh

@sinkusingh173

Java Spring Boot Developer,Microservices , REST API , JWT

Inde
Anglais
Certaines informations sont présentées en anglais.
À propos de moi
I'm a Java Spring Boot Developer specializing in secure, scalable, and high-performance backend applications. I develop REST APIs, JWT authentication, admin dashboards, CRM systems, and database-driven web applications. I also fix bugs, integrate third-party APIs, optimize slow APIs and databases, implement Redis caching, and improve application security. I write clean, maintainable, production-ready code and focus on delivering reliable solutions with clear communication and on-time delivery. ... Plus d’infos

Compétences

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sinkusingh173
Sinku Singh
hors ligne • 

Voir mes services

Applications Web Full stack
I will build a full stack web application using java spring boot and mysql
De75 $US / projetPlus de détails
Applications Web Full stack
I will build a secure and scalable rest API using java spring boot
De15 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Self-Help

WorkSync Daily Reports

Self-Help • Freelance

Jan 2026 - Mar 2026 • 2 mos

# Daily Report App – Project Description ## Project Overview I developed a **Daily Report App** to help businesses and field employees record, manage, and track daily work reports efficiently. The application is designed for environments where internet connectivity is unreliable, allowing users to continue working offline and synchronize data when needed. ## My Role I was responsible for the complete application development, including: * Designing the application architecture. * Developing the mobile application using **React Native (Expo)**. * Implementing offline-first data storage with **SQLite**. * Building reusable UI components for faster development and maintainability. * Managing local database operations and report lifecycle. * Integrating report generation features for business documentation. * Testing, debugging, and optimizing application performance. ## Technical Expertise Demonstrated * React Native (Expo) * TypeScript * SQLite (Offline Database) * Component-Based Architecture * Form Validation * Local Data Persistence * CRUD Operations * Mobile UI/UX Development * Performance Optimization * Clean & Maintainable Code Structure ## Key Features * Create, edit, update, and delete daily work reports. * Offline data storage using SQLite. * Fast report retrieval with optimized local database queries. * User-friendly interface for factory and field employees. * Structured report management. * Ready for PDF export and sharing. * Scalable architecture for future cloud synchronization. ## Challenges Solved * Built an offline-first application that works without internet connectivity. * Designed efficient local database management for reliable report storage. * Reduced repetitive code by creating reusable components. * Structured the project for easy maintenance and future feature expansion. ## Achievements * Successfully delivered a production-ready offline reporting solution. * Improved daily reporting workflow by replacing manual record-keeping. *