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I’m building a focused room-booking module for our hotel and I want it written in Java, wrapped in sound DevOps practices from day one. Scope – Core service to handle Room bookings only; housekeeping and events are outside this phase. – Required functions: Booking calendar with clear daily/weekly views, real-time Room availability checks, and integrated Payment processing (mock gateway is fine for now). – Single user tier: Admin access. No staff or guest self-service yet. Tech stack & workflow Code in modern Java (Java 17 or later is preferred) with a lightweight framework such as Spring Boot or Micronaut. Please containerise the app (Docker), set up a minimal CI/CD pipeline (GitHub Actions or similar) and include infrastructure-as-code scripts so I can redeploy easily. A small in-memory database is acceptable for demonstration, but structure it so we can swap to MySQL later. Deliverables 1. Source code with clear README. 2. Dockerfile and pipeline script. 3. SQL or migration scripts for table creation. 4. Brief test plan plus unit tests covering booking logic. Acceptance criteria • Admin can create, modify and cancel bookings through the calendar view. • Availability updates instantly after each action. • Payment endpoint simulates a transaction and records confirmation. • Project builds cleanly in the pipeline and starts via `docker compose up`. Timeline is flexible within reason, but please outline the milestones you’ll hit and the environments you’ll cover.
Project ID: 40403461
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34 freelancers are bidding on average ₹1,589 INR for this job

With my extensive 9+ years of experience in developing robust Java applications and your specific project needs, I am confident in delivering a top-notch solution for your hotel booking system. From my work with Spring Boot-based microservices and RESTful APIs to designing clean and efficient data access patterns using Hibernate/JPA, I have the expertise to build a focused room-booking module to handle all your administrative tasks seamlessly. Additionally, my familiarity with containerization using Docker and setting up CI/CD pipelines ensures that not only will your project be stable and efficient, but it will also be easily maintainable in the long run. With MySQL being one of my areas of specialization, I'll not only set up a small in-memory database as per your preference but also ensure its structure aligns with easy future adaptability to MySQL. Lastly, my ability to integrate new technologies like AI and machine learning, which are currently transforming various industries including hospitality, can help you stay ahead of the curve. While your immediate requirements do not call for such integrations, having an expert already experienced in this field surely opens up interesting possibilities for the future iterations of your project. To conclude, by choosing me, you're not only getting a highly skilled developer but also someone who understands the bigger picture and can deliver a future-proof solution for your hotel booking system.
₹1,050 INR in 1 day
7.3
7.3

"I have gone through your description. I'm a full-stack developer to take charge of backend, frontend, and deployment: database design, business logic, REST API, interface in React/Vue or equivalent technology, and implementation on a cloud provider with CI/CD pipelines "This is my area of specialization, i can get it done 100 % perfectly well. Please ping me in person. I can help you to complete all tasks. I have hands-on experience in this field. We have already done similar types of projects. Connect with us for more details. Rest assured your satisfaction is guaranteed." Looking forward to your response." Thank you for your time and I am confident that we will be a great fit for this project. Best,
₹1,050 INR in 7 days
4.8
4.8

As a seasoned Full-Stack Developer with over 12 years of experience, I understand the challenges of creating an efficient room-booking system that not only meets immediate needs but also lays the groundwork for future scalability. Your focus on utilizing modern Java practices and DevOps principles is essential for a robust application. I propose building your hotel booking module using Java 17 with Spring Boot, ensuring smooth integration of real-time availability checks and payment processing through a mock gateway. Docker will be used for containerization, while GitHub Actions will facilitate your CI/CD pipeline, making deployment seamless. The use of an in-memory database allows for quick development while retaining the flexibility to transition to MySQL later. For milestones, I suggest starting with the foundational booking logic and calendar view, followed by implementing real-time updates and payment simulations. Could you clarify if there are any specific compliance or security requirements we should consider during development?
₹1,500 INR in 7 days
4.6
4.6

I'm JOSHI, a seasoned developer with a firm grasp on Java - a primary requirement for this project. My expertise spans from building intelligent web applications to integrating them with AI, which I believe will be crucial for automating the room-booking module you desire. With a successful tenure at both Google and Apple, I have the experience of operating in fast-paced, high-demand environments, and delivering results that meet stringent quality standards. Moreover, as someone who champions structured development process, I am well-equipped to handle the DevOps aspect of your project. I can containerize your app and leverage Docker while developing minimum CI/CD pipelines using GitHub Actions or any other platforms of your preference. The maintainability of my code comes not only from my knowledge of multiple languages like PHP and XML but also from a disciplined approach to unit testing, which is an essential part of how I work.
₹1,050 INR in 7 days
4.5
4.5

Hi, I’m a Java backend developer with strong experience in Spring Boot microservices and DevOps-ready applications, and I can build your room-booking module with clean architecture and reliable workflows. ✅ Relevant Expertise ✅ Java 17+ & Spring Boot ✅ REST APIs & booking/transaction logic ✅ Real-time availability handling ✅ Payment integration (mock/real) ✅ Docker & GitHub Actions (CI/CD) ✅ MySQL / H2 with migration-ready design ? Approach • Build booking service with calendar-based logic (daily/weekly views) • Implement real-time room availability updates • Add mock payment endpoint with transaction tracking • Use clean layered architecture (API + Service + DB) • Containerize with Docker + CI/CD pipeline • Design DB so it’s easily switchable to MySQL later ✔ Deliverables ✔ Fully functional booking module (Admin only) ✔ Docker setup + CI/CD pipeline ✔ DB schema / migration scripts ✔ Unit tests for booking logic ✔ README with setup instructions ⏱ Milestones • Week 1: Core booking APIs + DB design • Week 2: Availability + payment flow • Week 3: Docker, CI/CD, testing & final polish I focus on clean code, reliable booking logic, and deployment-ready systems. Ready to start and build this efficiently. Best regards, Abhay
₹1,050 INR in 7 days
3.7
3.7

As an experienced Full-Stack Developer and DevOps engineer, I bring a unique blend of skills to the table that perfectly align with your project requirements. While my primary experience lies in Node.js and PHP, I have a strong foundation in Java and a proven ability to adapt to new technology stacks with ease. I'm well-versed in Dockerizing applications and setting up CI/CD pipelines, which we will leverage to ensure seamless deployments. Moreover, my expertise in MySQL aligns perfectly with your requirement of structuring the in-memory database for easy swapping to MySQL later. I take pride in producing clean code and rock-solid infrastructures. My work is not done after the development phase; rather, I test it meticulously, ensuring there are no hiccups or bugs down the line. Coming from a Linux administration background has further honed my ability to troubleshoot and debug swiftly, minimizing operational downtime – if any at all. In this project, you will benefit from a skilled developer who understands the importance of your project’s smooth transition from development environments to production ones. With great attention to detail and proactive problem-solving abilities, I am confident that I can build you a Java Hotel Booking DevOps System that exceeds your expectations in terms of functionality, stability, and ease of deployment. Let's get started!
₹1,050 INR in 7 days
3.4
3.4

Hello, I understand you need a Java-based room-booking module with clean architecture and proper DevOps setup from the start. My Approach • Build with Java 17 + Spring Boot (lightweight, production-ready) • Design modular services for booking, availability, and payments • Keep database layer flexible (H2 → easily switch to MySQL later) Core Features • Booking calendar (daily/weekly views) • Real-time room availability updates • Admin actions: create, modify, cancel bookings • Mock payment endpoint with transaction records DevOps Setup • Dockerized application (Docker + docker-compose) • CI/CD using GitHub Actions • Basic infrastructure-as-code setup • Clean build + automated test pipeline Deliverables • Source code + clear README • Dockerfile + pipeline config • DB schema / migration scripts • Unit tests + test plan Milestones Project setup + DB schema Booking & availability logic Calendar UI (basic admin view) Payment simulation Docker + CI/CD pipeline Testing & final delivery Focus • Clean, scalable architecture • Reliable booking logic (no conflicts) • Easy deployment via docker compose up I’ve worked on Java backend systems with CI/CD and containerization, so I can deliver this cleanly and production-ready. Feel free to message me so we can start planning. Warm regards, SamreenCoders
₹1,000 INR in 1 day
1.9
1.9

I can build your Java 17 Spring Boot room-booking module with clean architecture, calendar-based availability, and simulated payment flow. I’ll containerize with Docker, add CI/CD via GitHub Actions, and structure it for future MySQL migration. Includes unit tests, README, and docker-compose setup so it runs instantly.
₹1,050 INR in 7 days
0.7
0.7

Hello, I’m Ankur, a freelance developer with a dedicated team of professionals. I read all your requirements for website and I assure you that I will provide high-quality work at the proper time. Additionally, we also provide you 3 months of support from our side. As a Full Stack Developer, I specialize in Web and App Development, boasting a portfolio of stunning projects with top-notch UI/UX design. My expertise spans Flutter (for both Android and iOS), PHP, and WordPress, and I bring over 7 years of experience to the table. Whether it’s websites, applications, or e-commerce platforms, I’ve got you covered. But I’m not limited to just coding. My skill set extends to graphic design and logo creation, offering you a one-stop solution for all your project needs. With a track record of over 500 completed projects, I am committed to delivering nothing short of excellence. My ultimate goal is your complete satisfaction. Thank you for considering me for your project. I’m ready to transform your vision into a reality that stands out in today’s competitive landscape. Best Regards, Ankur Hardiya
₹1,050 INR in 7 days
0.0
0.0

Hi Sir, I hope you are doing well. I am Sahil dagar, New on this platform but not new in work. I have deployed more than 80+ application in multiple technologies like, Java, python, PHP, Node and setup the CI/CD. I would love to help you in your project setup. Not just one time setup, I will help you in every stage, I will work with you until you project is not completed. I will manage all the devops side things, from Cloud infra, Deployment, domain mappings, CI/CDs, Monitoring and alerting everything. If you just need me to help you with onetime deployment that is also fine for me. but I am known for the best setups and maintainer in my organization. Let connect once, if you like to work with me, then we will figure out things.
₹1,200 INR in 2 days
0.0
0.0

Hi, I have reviewed your requirement for the room-booking module focused on admin usage. 1. We will build the core service using Spring Boot (Java 17), structured to support future scaling and MySQL migration. 2. Booking logic will handle create, modify, cancel flows with real-time availability updates after each action. 3. I have planned a calendar-based interface (daily/weekly view) with clear visibility of bookings. 4. A mock payment endpoint will simulate transactions and store confirmations for traceability. 5. We will containerise the application using Docker and set up a CI/CD pipeline (GitHub Actions) to ensure clean builds and easy deployment via docker compose. 6. Database will start in-memory but with migration scripts ready for MySQL transition. 7. Unit tests will cover booking conflicts, availability checks, and payment flow. Please let me know if you want the calendar to be backend-driven or a richer frontend component, and I will align the approach.
₹1,000 INR in 7 days
0.0
0.0

As an experienced full-stack developer with a specialty in Java and MySQL, I am confident in my ability to create the robust room-booking module your hotel needs, while integrating the necessary DevOps practices. My work embraces not just form but also function, and I utilize every ounce of my creative problem-solving skills to ensure designs are not only appealing, but provide effective solutions as well. Finally, my coding style emphasizes readability, maintainability and security providing you with clean source code with a detailed README. My test-driven approach guarantees that your project functions as intended from the get-go. Your satisfaction is my top priority. Let's team up to build a resilient room booking app that serves your business effectively!
₹1,050 INR in 7 days
0.0
0.0

Can we develop with Django(Python) framework instant of Java? • Masters in Software Engineering with 16+ years of Working Experience in Web Technology from Dharmapuri, Tamilnadu. • Frontend&Backend Development, API Development, Web Development Support, Team Management, Project Management I have strong experience in Web and API Development, along with a broad range of full-time roles in corporate IT companies such as Sify Technologies, Regalix (Google vendor), Oxigen Wallet (Mpower SoftComm), Invenzolabs (Wellness Forever), and others. Please feel free to check my profile and DM me to discuss further. I am ready to begin work at your earliest convenience. Thanks...
₹1,050 INR in 7 days
0.0
0.0

Most bids will build the booking logic without addressing what specifically makes hotel room availability systems fail when they seem simple. Here's what breaks. Double bookings happen when two admins book the same room simultaneously because the availability check and booking creation arent wrapped in a transaction with proper row locking. Calendar views that query availability per-day individually make 30 database calls for a monthly view instead of one optimized range query. And mock payment gateways get built as simple success responses so when you swap to a real gateway later the entire error handling path is missing. I'll build with Java 17 and Spring Boot. Booking calendar with daily and weekly views using optimized range queries. Real-time availability with transactional booking creation preventing double-bookings. Mock payment gateway structured with the same request/response pattern real gateways use so swapping to production is configuration not rewriting. H2 in-memory database structured with proper migrations so MySQL swap is seamless. Docker containerized, GitHub Actions CI/CD pipeline, and infrastructure-as-code for easy redeployment. Unit tests covering booking logic including concurrent booking edge cases. Milestones: Week 1 booking calendar and availability, Week 2 payment integration and admin CRUD, Week 3 Docker, CI/CD, testing and polish. Builds cleanly via docker compose up. Ready to start?
₹1,050 INR in 7 days
0.0
0.0

Your requirement for a focused, clean room-booking module aligns very well with my experience in building scalable Java microservices with strong DevOps foundations. I’m a Senior Java Architect with 20+ years of experience designing backend systems using Spring Boot, event-driven patterns, and production-ready CI/CD pipelines. I’ll ensure your module is not just functional, but also structured for future scalability (e.g., MySQL, multi-user expansion, integrations).
₹1,050 INR in 7 days
0.0
0.0

Hi I can build your Java-based Room Booking module with a clean, production-style architecture using Spring Boot (Java 17+), fully containerized and DevOps-ready from day one. What I will deliver: • Core Room Booking system (Admin-only) • Booking calendar (daily/weekly view APIs) • Real-time room availability checks • Create / update / cancel bookings • Mock payment gateway integration (simulated transactions) • Instant availability updates after every action Tech & Architecture: • Java 17 + Spring Boot (modular design) • In-memory DB (H2) with MySQL-ready schema design • Clean layered architecture (Controller, Service, Repository) • REST APIs designed for future scalability DevOps Setup: • Dockerized application (Docker + docker-compose) • CI/CD pipeline using GitHub Actions • Automated build + test on every push • Infrastructure-as-code ready structure Testing & Quality: • Unit tests for booking logic (conflicts, availability, updates) • Basic API validation tests • Simple test plan included Deliverables: • Fully working Spring Boot project • Docker setup for one-command run • CI/CD pipeline configuration • SQL/migration scripts • README with setup & deployment steps • API/Postman collection Clear milestones: setup → booking logic → payment → DevOps → testing & final delivery. I focus on clean, scalable backend systems with proper DevOps practices, not just basic code. Ready to start immediately
₹1,035 INR in 7 days
0.0
0.0

Hi, Your brief is clear — Java 17, Spring Boot, Docker, GitHub Actions, H2 with a MySQL-ready path. This is exactly my day-to-day work. My approach: • Spring Boot 3 REST APIs — create/modify/cancel with real-time availability checks (no double-booking) • H2 in-memory DB + Flyway migration scripts — one config change to switch to MySQL • Mock PaymentService — simulates transactions, records confirmations, swap-ready for Stripe/Razorpay • Docker + docker-compose + GitHub Actions — builds, tests, and starts with docker compose up • JUnit 5 unit tests covering all booking edge cases All 4 acceptance criteria confirmed and covered. Timeline — 12 days: Days 1–3 → Scaffold, DB schema, Flyway, Docker Days 4–6 → Booking APIs + availability logic + tests Days 7–9 → Calendar endpoints + mock payment Days 10–12 → CI/CD pipeline + README + handover I'm a Java & PL/SQL backend developer with 2+ years in banking systems — improved API response time by 20% and reduced security risk by 30% on a compliance migration. Same discipline here. Ready to start immediately. Mathankumar G | Java & Spring Boot Developer
₹1,050 INR in 13 days
0.0
0.0

I have been working in java springboot for 5 years. Also having good knowledge in kafka for real time streming data. Having good knowledge in azure devops and git. Worked in multiple projects for international clients like Walmart, Advance auto, Diageo etc.
₹800 INR in 7 days
0.0
0.0

Hello, I can design and deliver your **Java-based room booking module** with a clean architecture and DevOps setup from day one. I understand the focus is on a lightweight, reliable booking system with real-time availability and a smooth admin workflow—without unnecessary complexity. I’ll ensure the system is easy to extend later (e.g., MySQL, user roles, full payment integration). **Technical approach:** * Backend: Java 17 + Spring Boot (REST APIs) * Database: In-memory (H2) with migration-ready structure (Flyway) * Containerization: Docker + Docker Compose * CI/CD: GitHub Actions (build, test, container run validation) * Architecture: Modular design (booking, availability, payment simulation) **Core features implementation:** * Booking calendar (daily/weekly views via API-ready structure) * Real-time availability checks (conflict-safe booking logic) * Create / update / cancel bookings (admin-only) * Mock payment service with transaction logging * Instant availability updates after each operation **Deliverables:** * Clean, well-documented source code with README * Dockerfile + docker-compose setup * CI/CD pipeline (auto build & test) * DB schema + migration scripts * Unit tests for booking logic (edge cases included) * Simple test plan **Milestones:** 1. Project setup + base architecture + CI pipeline 2. Booking & availability logic 3. Payment simulation + APIs 4. Dockerization + final testing 5. Documentation & handover
₹1,050 INR in 7 days
0.0
0.0

Hello, I’m interested in building your Java Hotel Booking DevOps System. I have professional experience in Java backend development, databases, enterprise systems, and deployment environments. I can develop the project using **Java 17 + Spring Boot**, with clean architecture and DevOps best practices from the start. ✔ Room booking core module ✔ Daily/weekly calendar booking view ✔ Real-time room availability checks ✔ Create / update / cancel bookings ✔ Mock payment gateway with confirmations ✔ Admin-only access ✔ Dockerized application ✔ CI/CD pipeline (GitHub Actions) ✔ SQL migration scripts (MySQL-ready) ✔ Unit tests for booking logic ✔ Clear README documentation ### Suggested Stack Java 17, Spring Boot, JPA/Hibernate, H2/MySQL, Docker, GitHub Actions, Flyway. ### Milestones 1. Setup architecture + DB design 2. Booking APIs + availability logic 3. Payment flow + admin features 4. Docker + CI/CD + tests + docs ### Timeline 7–10 days depending on revisions. ### Why me I currently work with Java enterprise applications, SQL databases, integrations, and production support. I focus on reliable code, maintainability, and on-time delivery. I’d be happy to discuss booking rules and deployment details. Best regards, William Castro
₹1,030 INR in 10 days
0.0
0.0

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