Java Backend Feature Development -- 2

@usamae

I'm experienced in Java backend development and have a strong background in Java 17, Maven, and JUnit testing. With a keen eye for refactoring and clean code practices, I can efficiently create the required service classes, write meaningful unit tests, and ensure seamless integration with the existing codebase. I am committed to delivering high-quality code that meets the project requirements and follows the established formatting conventions. Let's collaborate to enhance the backend features and move the project towards successful testing.

@leenadvnani6

Good Day Mohamad, As a senior Java developer specializing in backend feature development, I assure you that I will enhance your Java application by creating the remaining service classes, refactoring any brittle sections, and integrating the missing feature set seamlessly. This will ensure that your product is ready for full testing. Why Choose me? - Unlimited Revisions: I will work tirelessly to meet your requirements. - Unique Creations: I will bring fresh ideas to enhance your project. - Money-Back Guarantee: Your satisfaction is my priority. - 24/7 Communication: I am always available to discuss the project. - Timely Delivery: I will ensure prompt delivery of high-quality work. Browse my portfolio for quality work samples: https://www.freelancer.com/u/leenadvnani6 Let's discuss your project further in the chat. Best regards, Leena Kumari :)

@syedraza21295

Hello, I would like to grab this opportunity and will work till you get 100% satisfied with our work. Lets connect in chat so that We discuss further. Thank You

@Usman47tech

Hi, I’d love to help complete the backend for your Java application. I specialize in Java development and can add the remaining service classes, refactor fragile areas, and ensure everything integrates cleanly with your existing codebase. Once we align the full scope, I’ll make sure all new code compiles, passes your unit tests, and follows your project’s conventions, so the product is ready for full testing. I’m easy to communicate with, work on deadlines, and keep commits clear and well documented. Looking forward to hearing from you. Best Regards, -USMAN

@ianb65

Hello, there! I can jump into your Java 17/Maven codebase and complete the missing backend feature set without disrupting what’s already working. I’ll start by running the project and test suite locally to establish a baseline, then implement the remaining service classes in the same style and conventions you’re already using. As I build, I’ll refactor any brittle areas only where it improves reliability or testability, keeping changes minimal and review-friendly. Every new behavior will come with focused JUnit tests that assert real outcomes (not just coverage), and I’ll keep the in-memory DB flows stable so quick runs remain fast. You’ll receive a clean pull request that compiles, passes all tests, and includes a short README update describing build steps plus any new public methods/endpoints. Best regards, Ian Brown

@chandibraheem58

Hi, you’re past the hard part the app runsbut unfinished server-side logic and brittle sections are blocking full testing. The real risk now is adding features that compile but break conventions, fail JUnit, or introduce regressions that slow the release. I’ll extend the backend directly in your Java 17 codebase because staying aligned with existing patterns keeps reviews clean, implement the missing service classes and refactor weak spots because stability matters before testing, and add focused JUnit tests so everything builds green with Maven. I’ll commit via Git with clear diffs and a short README note covering build steps and new endpoints or public methods. Most backend completion work I’ve done is under NDA, but the workflow is proven. One question: are there any service interfaces already defined that must remain unchanged? Best Regard Chand

@Mayanks010

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank B

@bradw14

I can deliver the required server-side logic to round out your Java application, ensuring it is ready for full testing. One technical question: Are there any specific security considerations that need to be taken into account when adding the missing feature set to the backend? I specialize in Digital Product Development, Custom App & Website Development, and AI-Powered Automation/Agents. I bring years of proven experience delivering similar solutions for both corporate clients and startups. Recently, I built a custom AI agent that automated client workflows by 40%, showcasing my expertise in creating efficient automation solutions. If this sounds aligned, let’s connect and map out the next steps. Regards, Brad Wilson. Client name is and my name is Brad.

@leroyarvies

With over a decade of experience and notable accomplishments in Backend Development and Software Development, I'm confident that I'm the perfect fit for your Java project. My extensive exposure to JavaScript and PHP alongside my renowned Java skills will significantly ease my integration into your existing codebase. Additionally, having worked on numerous projects requiring refactoring and the addition of features, I am well-versed in working on pre-existing systems, ensuring stability, maintaining consistency, and seamlessly integrating new functionalities. My value proposition extends beyond my technical strengths. As an accomplished leader who has navigated complex projects at renowned companies like Scopic and Deluxe, I bring a wealth of managerial ability to ensure your project moves forward smoothly. My competence in AI integrations is also worth noting as it could provide potential scalability for your application. Lastly, efficiency and precision will be my watchwords in handling your project. Given our desired timeframe for testability, the fact that I can deliver pixel-perfect work on time without compromising quality makes me an ideal partner for this endeavor. Choosing me means opting for dependable quality, timely delivery, and ultimately realizing your vision -- it's an opportunity you wouldn't want to miss out on!

@borisdeveloper71

Hi, there. I can step into your existing Java 17 codebase and focus exclusively on completing and stabilising the backend logic. I’ll review the current services and tests first, then implement the missing feature set in a way that fits your existing architecture and conventions. As I build out new service classes, I’ll refactor any brittle or unclear sections to improve reliability without changing intended behaviour. All changes will compile cleanly with Maven, pass the full JUnit test suite, and follow the project’s established formatting and structure. I’ll add meaningful unit tests alongside the new functionality to ensure good coverage and long-term maintainability. Each update will be committed cleanly with clear messages and accompanied by a concise README note describing build steps and any new public methods or endpoints. If edge cases or payload details need clarification, I’ll coordinate quickly through the repo ticket board to keep progress moving. Best Regards. Boris

@artemb35

Hi there, I understand that your main goal is to enhance your Java backend capabilities to support feature development effectively and efficiently. In my previous role, I successfully optimized a backend system for a fintech startup, resulting in a 25% increase in transaction processing speed. Additionally, I implemented robust API integrations that improved data retrieval times by 40%, significantly enhancing overall application performance. To meet your requirements, I will develop scalable Java features that ensure high performance and reliability. I will also focus on establishing thorough testing protocols to guarantee the robustness of the new functionalities. I would be happy to discuss your needs and get started right away. Best regards, Artem

@davig63

Hello, With 6 years of experience in Java, backend development, and software architecture, I am well-equipped to assist with your project. I have reviewed the requirements and am confident in providing a professional solution to round out the server-side logic of your Java application. As a seasoned full-stack expert with a focus on Java, I have a strong background in creating service classes, refactoring code, and ensuring clean integration of new features. My expertise in Java 17, Maven, and JUnit tests aligns perfectly with the technologies used in your project. You can view examples of my previous work in my portfolio: My Github: touchsky000111 I am committed to maintaining effective communication throughout the project and am eager to hear from you. Best regards

@irazon15

I’ve worked extensively with Java 17, Maven, Git, and JUnit on backend‑only projects where clean service design and test coverage are critical. Your setup fits perfectly with how I usually extend and stabilize existing systems. I’ll implement the remaining service classes, refactor fragile logic, and add meaningful unit tests while strictly following your current conventions. You’ll get compiling code, green tests, and a short README so your team can move straight into full testing.

@sebartian

I can complete and solidify your Java 17 backend by implementing the remaining service logic, refactoring weak areas, and integrating everything cleanly into your existing Maven/JUnit setup. I’ll deliver well-structured classes, passing unit tests with meaningful coverage, and a clear README note so the project is ready for full testing and review.

@temciucv

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on PHP, Java, JavaScript, Software Architecture, Software Development, Git, JUnit, Backend Development Lets connect in chat so that We discuss further. Regards

@dexwolftech999

Hi there, We can assist you in enhancing the backend features of your Java application by developing the missing feature set and seamlessly integrating it with the existing server-side logic. Our team at DexWolf Technologies specializes in Java backend development, utilizing Maven, JUnit tests, and in-memory databases to ensure efficient and reliable code. Questions: - Are there any specific technical requirements or constraints that need to be considered while implementing the new backend features? - Do you have any preferences for the structure or design of the new service classes to maintain consistency within the project? DexWolf Technologies has a proven track record in Java backend development, ensuring clean code, robust functionality, and seamless integration with existing systems. We are dedicated to delivering high-quality Java classes, comprehensive unit tests, and detailed README notes to streamline the development process. About Us: https://www.freelancer.com/u/dexwolftech999 We'd be delighted to share our portfolio with you over chat. Feel free to click the chat icon to connect with us and discuss your Java backend feature development requirements further. Thanks, DEX

@YamestimationLLC

Hello there, I understand that you are looking to enhance the backend features of your Java application by adding missing functionalities, refactoring any brittle sections, and ensuring the codebase is clean and well-integrated. My proposed solution is to focus solely on the backend development aspect, creating the necessary service classes, writing unit tests with meaningful assertions, and providing a clear README note for easy understanding of the new functionalities. Key Deliverables: - New or updated Java classes for backend functionality - Corresponding unit tests with meaningful assertions - Concise README note explaining build steps and new endpoints/methods I bring a strong background in Java development, Maven, JUnit testing, and database integration to ensure the project's success. I'll share my portfolio with you in the DM. Kindly, ping me there. I'd love to connect for a quick chat to discuss your project in more detail. Best regards, Minhal

@isaiahs31

Dear Hiring Manager, I am a skilled AI Web and Mobile Automation Ecommerce and SaaS Engineer with expertise in Java backend development. I have reviewed your project requirements and believe I am the perfect fit to enhance your Java application's server-side logic. With a strong background in Java, Maven, and JUnit tests, I am well-equipped to create the necessary service classes, refactor code as needed, and ensure seamless integration with the existing codebase. My portfolio showcases my proficiency in delivering high-quality solutions that align with clients' business objectives. I am committed to providing clean code, thorough testing, and clear documentation to facilitate smooth project progression. I am excited about the opportunity to contribute to your project and am confident in my ability to deliver exceptional results. Let's discuss further how I can support your backend feature development needs. Best regards, Isaiah

@dayoakinyemi

Okay, I got what you want exactly. I am a Full Stack Engineer with a backend focus and 15 years of experience, providing Java 17 backend development, Maven-based builds, JUnit-driven testing, and clean service-layer architecture. In my opinion, the smartest way to finish a backend that’s already in motion is to respect what’s there while strengthening it where needed. I focus on extending existing service classes, tightening contracts, and refactoring fragile logic only when it clearly improves testability, clarity, or long-term stability. This project is very similar to my previous works. I’ve stepped into existing Java codebases multiple times to complete unfinished backend features, add missing service logic, and expand unit test coverage without breaking established conventions. In recent projects, this included refactoring brittle methods, aligning new services with existing build pipelines, and ensuring all Maven builds passed cleanly with green JUnit suites. I can start the work immediately. Best regards