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Role Overview We are seeking a Full‑Stack Java Developer to build and enhance a Pension Administration System. The ideal candidate must be strong across backend, frontend, and database layers, with proven experience in financial or member‑based systems. Required Technical Skills: Backend (Core) Java (5+ years) building enterprise systems Spring Boot (REST APIs, layered architecture, validation, exception handling) Spring Data JPA (paging, sorting, specifications, projections, custom queries) MS SQL Server Normalized schema design Stored procedures, indexing, performance tuning Strong referential integrity and transactional workflows Flyway or Liquibase for schema migrations Frontend: Thymeleaf Layouts, fragments, form binding, validation messages React: Functional components, hooks, state management API integration, pagination, filtering, error handling Front‑end quality: Clean UI/UX suitable for daily operations Consistent layouts, responsive design, accessibility awareness Tools & Development Environment: IntelliJ IDEA (mandatory) Must be fully comfortable using IntelliJ IDEA for: Spring Boot development JPA entity navigation and inspections Database tools integration Debugging, profiling, and refactoring Git (branching, pull requests, code reviews) Build tools: Maven or Gradle Postman / Insomnia for API testing
Projekt-ID: 40066485
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Aktiv vor 17 Tagen
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88 Freelancer bieten im Durchschnitt $2.095 USD für diesen Auftrag

Having developed a broad range of skills over my 8+ years working in web and app development, I believe I am the perfect candidate for your Pension Administration System project. My strong command over full-stack development with a focus on Java and Spring Boot aligns perfectly with your requirements. From database management using MS SQL Server to utilizing tools like Flyway or Liquibase for schema migration, I have a proven track record of efficient and high-quality system development - skills that will be invaluable to enhancing your pension administration system efficiently. Not only do I have exemplary experience in backend operations, but also in frontend technologies such as React.js. With my in-depth understanding of functional components, hooks, state management, and API integration - all elements essential for building dynamic user interfaces - I ensure your pension administration system will not only be highly functional but also visually appealing with seamless user experience. Moreover, my familiarity with tools like Git, Maven/Gradle, and IntelliJ IDEA combined with my proficiency in Postman/Insomnia for API testing further establish me as an efficient developer capable of providing the best quality work. Let's discuss how we can leverage my technical acumen to bring your vision of a robust and user-friendly Pension Administration System to life.
$1.500 USD in 10 Tagen
6,6
6,6

Hello, I have carefully reviewed the Pension Administration System role and clearly understand the expectations for a robust, secure, and maintainable member-based financial system. I bring 10+ YEARS OF EXPERIENCE in enterprise Java development with deep expertise across backend, frontend, and database layers. I have strong hands-on experience with Java, Spring Boot (REST APIs, layered architecture, validation, exception handling) and Spring Data JPA including complex queries, specifications, pagination, and performance tuning. I work extensively with MS SQL Server, focusing on normalized schema design, transactional workflows, indexing, stored procedures, and migration tools such as Flyway/Liquibase. On the frontend, I am experienced with Thymeleaf layouts and form validation as well as React (functional components, hooks, API integration, pagination, filtering, and error handling), delivering clean, responsive, and operationally efficient UIs. I am fully comfortable using IntelliJ IDEA for end-to-end development, debugging, profiling, refactoring, and database integration, along with Git-based workflows and Maven/Gradle builds. I am confident in contributing effectively to a pension or financial system where data integrity, performance, and reliability are critical, and I can collaborate smoothly through code reviews and structured development processes. I eagerly await your positive response. Thanks
$1.500 USD in 7 Tagen
5,4
5,4

Hi! I’m excited to offer my services as a skilled developer with over five years of experience. I believe I am a strong fit for this project due to my extensive background and proven track record in development. I would love to have a discussion to ensure we're aligned and on the same page regarding the project requirements. Once the scope is clearly defined and agreed upon, I’ll begin working on it right away. Thank you for your time, and I look forward to collaborating with you! Best regards,
$1.500 USD in 20 Tagen
4,2
4,2

Hi there, Developing a Pension Administration System requires rigorous data integrity and optimized performance, particularly when bridging complex Spring Data JPA entities with a heavy MS SQL Server backend. Without precise indexing and efficient stored procedures, these systems often suffer from slow transaction processing and reporting bottlenecks. We will leverage our extensive experience in enterprise Java development to build a scalable, high performance architecture that seamlessly integrates your Spring Boot backend with a responsive React and Thymeleaf frontend. Here are two quick questions regarding the technical scope. Do you have a preferred strategy for handling the migration of legacy data into the new MS SQL schema? Will the React components need to operate as a single page application, or will they be embedded within Thymeleaf templates? We have successfully delivered similar financial software solutions, ensuring robust security and clean code standards using IntelliJ IDEA. Feel free to check our portfolio, or I can send you specific samples in chat. As a company policy, we also provide 30 days of post delivery support to ensure everything runs smoothly. Let’s discuss your project today!
$2.000 USD in 14 Tagen
4,4
4,4

Hello, I am a friendly and reliable full-stack developer with solid experience in Shopify, WordPress, PHP, Laravel, React, Node.js, Odoo, and mobile app development (Flutter/React Native). I love building clean, fast, and user-friendly web and mobile solutions. Whether you need custom features, API integrations, Odoo workflows, mobile apps, or UI/UX improvements, I’m here to help. I communicate clearly, deliver on time, and always aim to build long-term working relationships. Happy to support your project anytime! With Regards! Nikhil
$2.500 USD in 32 Tagen
3,8
3,8

Hey Thomas, I am an expert full-stack Java developer. I’ve built member-based financial/admin systems in Java + Spring Boot with MS SQL Server (normalized schema, stored procedures, indexing, transactional workflows) and delivered clean operator-friendly UIs using Thymeleaf layouts/fragments plus React hooks with paging/filtering. I can start right away to build and enhance your Pension Administration System exactly as needed. You can send me a message so we can quickly discuss your project and proceed further. I am looking forward to hearing from you. My Portfolio: https://www.freelancer.com/u/bhatti Best, Hammad
$3.000 USD in 20 Tagen
3,8
3,8

Hi there, I have extensive experience building enterprise-grade Java applications with Spring Boot, JPA, and MS SQL Server, including transactional financial systems with normalized schemas and optimized stored procedures. I’m comfortable delivering both backend and frontend features using Thymeleaf and React, ensuring responsive layouts, clean UI/UX, and robust API integrations. I work daily in IntelliJ IDEA, leveraging its debugging, profiling, and refactoring tools to maintain high-quality, maintainable code. Looking forward for your positive response in the chatbox. Best Regards, Arbaz H
$2.250 USD in 7 Tagen
3,3
3,3

Hey, I will start by using Spring Boot to develop a solid backend system for your pension administration platform, focusing on creating REST APIs with proper validation, exception handling, and efficient pagination using Spring Data JPA. I’ll design the database in MS SQL Server with a normalized schema, ensuring referential integrity and smooth transactional workflows. For schema migrations, I’ll use Flyway to handle versioning with ease. On the frontend, I will implement React functional components, using hooks for state management and integrating APIs for pagination and filtering, ensuring smooth error handling and responsive design. I’ll ensure the UI/UX is clean and user-friendly, optimized for daily operations, with accessible layouts. Throughout development, I’ll work in IntelliJ IDEA for debugging, profiling, and optimizing the code, ensuring a high-quality product using Maven for builds and Git for version control. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$2.250 USD in 7 Tagen
3,2
3,2

Hello, it is a pleasure to meet you. I will design the data model, build the server logic, create the user interface, connect everything together, and carefully test and deploy the system. I am available to start working on this project immediately and I look forward to working with you. Thank you for your time and consideration.
$2.500 USD in 15 Tagen
2,9
2,9

⭐️⭐️⭐️⭐️⭐️ Hi Thomas, I am excited about the opportunity to work on your Pension Administration System as a Full-Stack Java Developer. With over 5 years of experience in building enterprise systems using Java and Spring Boot, I have a solid foundation in creating REST APIs and ensuring seamless database interactions with MS SQL Server. My expertise extends to frontend technologies like React and Thymeleaf, where I focus on delivering clean, responsive, and accessible UIs. I am also well-versed in IntelliJ IDEA and am comfortable with Git for collaborative development. I am committed to delivering a high-quality product that meets your expectations and enhances user experience. My availability aligns with your project timeline, and I am eager to start as soon as possible. Let's discuss how I can contribute to your project and ensure its success! Best regards, Abdulhamid
$1.500 USD in 7 Tagen
3,0
3,0

I DON'T WANT TO FOOL MY CLIENTS. It's unreasonable to expect me to understand the entire project in a short period of time. However, this stack is the right technology for me, and I'm confident I can execute it based on my past experience. From a developer who values honesty.
$1.800 USD in 5 Tagen
2,2
2,2

⭐⭐⭐⭐⭐ Build and Enhance Pension Administration Systems with Java Expertise ❇️ Hi My Friend, I hope you are doing well. I just reviewed your project requirements and see you are looking for a Full-Stack Java Developer. You have no need to look any further, as Zohaib is here to help you! My team has already completed 50+ similar projects for financial systems. I will build and enhance your Pension Administration System using proven methods to ensure efficiency and quality within your budget. ➡️ Why Me? I can easily handle your project as I have 5 years of experience in Java development, focusing on backend and frontend technologies like Spring Boot, React, and MS SQL Server. My expertise includes building enterprise systems, creating REST APIs, and ensuring database performance. I also have a strong grip on tools like IntelliJ IDEA and Git, which will streamline our development process. ➡️ Let's have a quick chat to discuss your project in detail and I can show you samples of my previous work. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Java Development ✅ Spring Boot ✅ REST APIs ✅ Spring Data JPA ✅ MS SQL Server ✅ React.js ✅ Thymeleaf ✅ Database Design ✅ API Integration ✅ Git Version Control ✅ Maven/Gradle ✅ Postman/Insomnia Waiting for your response! Best Regards, Zohaib
$1.800 USD in 2 Tagen
2,4
2,4

???I bring 5+ years of hands-on Java experience building enterprise, transaction-heavy systems, including member-based and financial workflows where data integrity is critical. On the backend, I design Spring Boot REST APIs with clear layered architecture, robust validation, centralized exception handling, and well-defined DTO boundaries. I work extensively with Spring Data JPA, implementing paging, sorting, specifications, projections, and optimized custom queries aligned to real operational use cases. For persistence, I model normalized MS SQL Server schemas, enforce referential integrity, tune indexes and queries, and leverage stored procedures where performance or atomicity requires it. Schema evolution is handled safely using Flyway or Liquibase, ensuring repeatable migrations across environments without breaking live data. On the frontend, I deliver Thymeleaf-based operational UIs with reusable layouts, fragments, form binding, and clear validation feedback for daily admin use. Where React is required, I build hook-based functional components with reliable API integration, pagination, filtering, and defensive error handling. I work exclusively in IntelliJ IDEA, using its JPA navigation, debugger, profiler, and refactoring tools alongside Git-based workflows to ship clean, maintainable, production-ready code.
$1.700 USD in 7 Tagen
2,1
2,1

Hi there. I can build your Pension Administration System using Java and Spring Boot while ensuring a secure, high-performance backend and a clean, responsive frontend for daily operations. I have extensive experience developing enterprise financial and member-based systems, integrating Spring Boot REST APIs with Spring Data JPA, MS SQL Server, and complex transactional workflows. I have implemented normalized schemas, stored procedures, indexing, and Flyway/Liquibase migrations in previous projects to ensure reliability and maintainability. For the frontend, I can deliver both Thymeleaf templates with clean layouts and a React interface using functional components, hooks, and robust state management. I will integrate APIs with pagination, filtering, and proper error handling while keeping the UI intuitive, consistent, and accessible. I will develop using IntelliJ IDEA, leverage Git for version control, and test APIs with Postman or Insomnia. The final system will be fully documented, with clear instructions for maintenance, schema updates, and future feature expansion. Let’s chat to review your current requirements and I can propose a detailed architecture and development timeline for your Pension Administration System. Best regards, Nenad
$2.250 USD in 7 Tagen
1,7
1,7

Dear Client, I am excited about your project "Pension Administration System development" and confident I can deliver excellent results. With strong experience in similar work, I understand your requirements and can start immediately. I would love to discuss your project further and answer any questions. Thanks and best regards, Faizan
$1.550 USD in 25 Tagen
1,1
1,1

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on React.js, Spring Boot, Spring Data Please come over chat and discuss your requirement in a detailed way. Thank You
$1.500 USD in 7 Tagen
1,0
1,0

Hi Thomas C.. I am very excited with your project because I have completed similar project recently. The skills required for your project are my main specialty.(React.js, Spring Data and Spring Boot) I can handle this perfectly and have abundent experiences. Please confirm that I am one of the best fits for you and drop me a message for further discussion. Thanks and Best Regards.
$2.000 USD in 10 Tagen
0,0
0,0

The goal is to enhance your Pension Administration System with a robust fullstack Java solution. I will leverage Java and Spring Boot to build clean REST APIs with strong validation and exception handling. Using Spring Data JPA, I will implement efficient pagination, sorting, and custom queries against a welldesigned MS SQL Server schema, incorporating Flyway for migrations. The frontend will combine Thymeleaf for serverrendered layouts and React functional components with hooks to ensure responsive, accessible UI aligned with operational needs. IntelliJ IDEA will be my primary tool for development, debugging, and seamless integration across layers. I have extensive experience in financial systems emphasizing data integrity and smooth user workflows. What is your preferred approach to incremental delivery and testing? Regards Tiaan
$2.499,99 USD in 10 Tagen
0,0
0,0

Hi there, After studying your assignment, I've prepared the following options. I look forward to your feedback. Option A: I propose developing a robust Pension Administration System using Java for the backend. This solution will incorporate Spring Boot for REST APIs, Spring Data JPA for efficient database interactions, and MS SQL Server for data management. The frontend will be developed using Thymeleaf layouts and React.js for a seamless user experience. The system will ensure strong referential integrity, optimized performance, and clean UI/UX design. Option B: Alternatively, we can build the Pension Administration System with a focus on React.js for the frontend. This approach will utilize modern frontend technologies like functional components, hooks, and state management to provide a dynamic and user-friendly interface. The backend will still leverage Spring Boot for robust backend development. Let's discuss in detail through chat.
$1.500 USD in 6 Tagen
0,0
0,0

Hello, With over 15 years of experience in full-stack development - including 5+ years focused on Java - I am confident that my skills align perfectly with your requirements for the Pension Administration System. Throughout my career, I've gained significant experience in building complex enterprise systems, emphasizing on stable financial and user-centric applications: traits absolutely vital in the pension system domain. In terms of my technical expertise, I have a strong command over Spring Boot and Spring Data JPA, which are critical components to ensure robust back-end performance in your system. With relational databases such as MS SQL Server as my core competency, I possess extensive experience in designing normalized schemas, optimizing database performance through stored procedures and indexes, as well as maximizing referential integrity and transactional workflows. Additionally, I have a proven track record of applying Flyway or Liquibase efficiently for schema migrations. On the front-end side, I am well-versed in not only leveraging Thymeleaf Layouts but also building clean UI/UX with React. This encompasses functional components, hooks state management, API integrations, pagination and filtering just to name a few. In complementing these skills with the meticulous use of IntelliJ IDEA and other essential tools like Maven or Gradle, Postman / Insomnia for API testing further positions me as an ideal candidate for this p Thanks!
$2.500 USD in 15 Tagen
0,0
0,0

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