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Backend API Development - Spring Framework 1. Project Objective: We are building a large-scale, production-grade digital commerce are seeking highly skilled backend developers to design and implement the complete backend microservices architecture. This engagement is not a small website or a prototype. It is a long-term, enterprise-level platform that will power customer applications, driver operations, admin systems, inventory flows, order lifecycles, payments, and real-time delivery tracking. The backend APIs will be the core foundation of the entire business. The backend system must be developed strictly using Java and the Spring ecosystem (Spring Boot, Spring Security, Spring Data, Spring Cloud where required) and follow a microservices-based architecture. All services will communicate through secure, well-documented REST APIs, using internal JWT-based authentication and industry-standard security practices. We are looking for freelancers who can take ownership of backend services end-to-end, including system design, database modeling, API development, performance optimization, security enforcement, documentation, and deployment support. 2. Platform Components:(We are strictly stick to respective framework only) • Backend Microservices System (SPRING FRAMEWORK) 3. Backend System Architecture The backend system will follow a microservices-based architecture using Spring Boot and based on Java language. Each service will communicate via secure REST APIs and internal JWT authentication. Core Services: • User Service (customers, drivers, admins) • Product & Inventory Service • Product distribution Service • Order Management Service • Payment Service • Analytics & Reporting Service • And More... 4. Non-Functional Requirements • High security with role-based access control • Scalable and cloud-ready architecture • API documentation usingSwagger • Comprehensive logging and error handling • Performance optimization and caching • Clean, maintainable, and well-documented code • Thoroughly tested codes 5. Deliverables & Expectations • Complete source code • Database schemas and configuration files • API documentation • Deployment and environment setup guides • Knowledge transfer and optional post-launch support
Project ID: 40155177
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Hi, This project fits perfectly with my background. I already have a working base prototype of a Spring Boot–based microservices backend for a commerce platform (users, orders, inventory, JWT security, REST APIs). Just message me and I’ll share a short demo video of the running prototype so you can immediately see the architecture, code quality, and API flow before we proceed further. How I’ll approach this := Java + Spring Boot microservices architecture Secure REST APIs with JWT, RBAC, and Spring Security Proper database modeling, migrations, and service separation Centralized logging, error handling, caching, and performance optimization What you’ll get := Production-grade, well-structured backend services Clean, maintainable, and fully tested code Database schemas and configuration files Deployment and environment setup guides Knowledge transfer and optional post-launch support I’m new on the platform, but you can see 3 recent 5-star reviews on my profile. I’ve worked on similar enterprise-level backend systems and can take full ownership of services end to end. Message me for the demo video, and we can move forward right away. — Fenil
₹5,000 INR in 2 days
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29 freelancers are bidding on average ₹11,144 INR for this job

"I have gone through your description. "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,
₹1,500 INR in 1 day
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Hello, SCALABILITY AND MAINTAINABILITY CHALLENGES IN CURRENT SYSTEM You need a strong backend foundation that supports enterprise-grade performance, scalability, security, and clean separation of concerns. Without a resilient architecture, systems can struggle with high load, poor modularity, tight coupling, and difficult long-term maintenance, all of which hinder future feature expansion and team productivity. DESIGN ENTERPRISE BACKEND WITH SPRING ECOSYSTEM I will design and implement a robust backend architecture using the Spring ecosystem, including Spring Boot, Spring Data, Spring Security, and modular service layers. This will involve defining clear domain boundaries, database design with efficient data access patterns, secure authentication and authorization strategies, API versioning, and configuration management. I will also include logging, monitoring hooks, and CI/CD readiness for smooth deployments. STABLE, SCALABLE PLATFORM READY FOR GROWTH You will receive a clean, enterprise-ready backend that scales with demand, simplifies development velocity, and stands up to performance expectations. The architecture will support easy addition of new services, strong security practices, consistent APIs, and dependable performance, enabling long-term growth and efficient team workflows. Thanks
₹12,000 INR in 7 days
4.4
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Hello, I’d be glad to work on your enterprise-level digital commerce platform and take ownership of backend microservices using Java and the Spring framework. What I can deliver ✅ Production-ready Spring Boot microservices ✅ Secure REST APIs with Spring Security + JWT ✅ Scalable data models using Spring Data JPA / Hibernate ✅ Core services like User, Inventory, Orders, Payments, Analytics ✅ Swagger/OpenAPI documentation ✅ Clean architecture, logging, caching, and performance tuning ✅ Unit & integration tests ✅ Deployment support and knowledge transfer Key Skills ✅ Java (Enterprise & Microservices) ✅ Spring Boot, Spring Security, Spring Data, Spring Cloud ✅ REST APIs, JWT authentication ✅ MySQL / PostgreSQL ✅ Clean, maintainable, well-documented code I understand this is a large-scale, production system, not a prototype, and I’m comfortable delivering secure, scalable backend services end-to-end. Looking forward to discussing next steps. Thanks, Abhay Kuma
₹7,000 INR in 7 days
3.7
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As a dedicated and experienced backend developer with a solid background in Java and broad knowledge of the Spring Framework, I am confident that I can deliver on your enterprise-level project involving backend API development. From my understanding, you need a professional to design and implement a complete backend system that powers all aspects of your digital commerce business – from customer applications to order lifecycles, real-time tracking, and more. Throughout my career, I have utilized the full power of Java and the Spring ecosystem to build robust and scalable microservices. My experience with Spring Boot, Spring Security, Spring Data, and Spring Cloud will be instrumental in providing you with a system that fully maximizes their potential. Additionally, I guarantee adherence to strict industry-standard security practices including internal JWT-based authentication, REST API communications and more. Furthermore, my work does not end at the completion of coding. I provide comprehensive documentation for easy retrieval of information. These include detailed API documentation using Swagger as well as deployment guides that make it simple for individuals to set up your environment post-launch. As your platform continues to grow, being cloud-ready is essential - this too is my expertise with MongoDB and MySQL.
₹7,000 INR in 7 days
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Hello there, I am excited to propose my expertise for the Backend API Development project using the Spring Framework. This project aims to create a robust digital commerce platform with a focus on scalability and performance, requiring skilled backend developers to design and implement a comprehensive microservices architecture. The backend system will be developed exclusively using Java and the Spring ecosystem, ensuring secure, efficient, and well-documented REST APIs with industry-standard security measures. I am well-equipped to take on the full ownership of backend services, including system design, database modeling, API development, performance optimization, security enforcement, documentation, and deployment support. Regards, anilptk
₹5,170 INR in 4 days
2.1
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Hi, I am an experienced Java Spring Boot developer with 5+ years of hands-on experience building secure, scalable, and high-performance backend applications. I specialize in developing RESTful APIs, business logic layers, and enterprise-grade systems that are easy to maintain and extend. I can help you design and implement clean backend architecture, handle database design, integrate third-party services, and ensure proper authentication, authorization, and error handling. My focus is always on writing optimized, production-ready code that follows best practices and supports future scalability. I have worked extensively on real-time projects involving microservices, payment integrations, role-based access control, and performance optimization. I collaborate closely with frontend teams to ensure smooth API integration and reliable data flow across the system. Regards, Kishan Prasad
₹7,000 INR in 7 days
2.3
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ello, I can build your production-grade backend microservices using Java and the Spring ecosystem, ideal for a large-scale digital commerce platform. This includes Spring Boot, Spring Security, Spring Data, and Spring Cloud as needed. Deliverables: • Microservices for Users, Products, Inventory, Orders, Payments, Analytics • Secure REST APIs with JWT authentication and role-based access control • Database design using MySQL and MongoDB • Swagger API documentation • Centralized logging, error handling, and caching • Clean, tested, maintainable code • Deployment and setup guides Approach: • Define clear service boundaries and API contracts • Follow microservices best practices for scalability and security • Optimize performance and ensure thorough testing I provide full source code, documentation, and knowledge transfer with optional post-launch support. Ready to start immediately with clear milestones and open communication. Looking forward to collaborating.
₹2,000 INR in 3 days
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Hello, I am a Java Developer with strong fundamentals in Java, OOP, and backend development using Spring Boot. I have hands-on knowledge of working with databases like MySQL and MongoDB and understand REST APIs and basic microservices concepts. I am highly motivated, detail-oriented, and committed to delivering clean, well-structured, and maintainable code within the given timeline. I am eager to work on this project, follow your requirements closely, and communicate clearly throughout the development process. I would be happy to discuss the project details and start immediately. Thank you for considering my proposal.
₹7,000 INR in 7 days
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This project fits perfectly with my background. I already have a working base prototype of a Spring Boot–based microservices backend for a commerce platform (users, orders, inventory, JWT security, REST APIs).
₹4,000 INR in 10 days
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I am a Solution Technical Architect with over 16 years of experience in Java Enterprise technologies, specializing in scalable microservice architectures. Having reviewed the project details, I envision a modular microservice-based implementation comprising the following key components: MasterData Service OrderService InventoryService FinancialService (including Account and Payment modules) DashboardMetrics Service To ensure robustness, scalability, and maintainability, I propose an architecture that includes: Secure API Gateway for routing and access control Service Discovery for dynamic service registration and resolution Authorization and Authentication mechanisms for both internal and external APIs Efficient Caching Strategy to optimize performance and reduce latency Adherence to best practices in microservice design, including fault tolerance, observability, and CI/CD integration I am confident in delivering a high-quality solution aligned with your business goals. I look forward to discussing the project further and contributing to its success
₹7,000 INR in 9 days
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I have 4+ years of experience in java Springboot. Currently working on banking project. Lets connect and discuss on this. I have experience of many project development.
₹11,000 INR in 20 days
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Hi, I have total 13+ yrs of exp in java/j2ee and mainly worked in java8, java17, spring boot, microservices and AWS. Let me know suitable time for discussion.
₹7,000 INR in 7 days
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I’m a Senior Backend Engineer with strong experience building large-scale, production-grade microservices using Java and the Spring ecosystem. I’ve designed and delivered backend platforms that power customer apps, admin systems, payments, and real-time operations, with APIs as the core foundation. I can take full ownership of backend services end to end—system design, database modeling, secure REST APIs with Spring Boot and Spring Security (JWT), performance optimization, documentation, and deployment support. I focus on clean, scalable, and maintainable solutions and am looking for a long-term engagement on a serious enterprise platform. Let’s connect to discuss how I can contribute to your backend architecture.
₹7,000 INR in 7 days
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Hi, I’m a Java backend developer experienced with Spring Boot, microservices, REST APIs, Spring Security, MySQL, and MongoDB. I’m interested in long-term work and can take responsibility for backend services while following your architecture and security requirements.
₹15,000 INR in 25 days
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Greats dears, so I am a java and spring framework experienced developer, I saw your application requiremnts and I am able to code and discuss for plain rhe requirements. I would like we chat for more details
₹6,000 INR in 7 days
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I have skilled backend experience around 14 years and I can deliver the project with high performance and better quality
₹10,000 INR in 7 days
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Hello, I am a Java Backend / Full-Stack Developer with 6+ years of experience building **enterprise-grade backend systems using the Spring Framework**. I am confident I can take full ownership of your **large-scale digital commerce backend** and deliver a secure, scalable, production-ready solution. I understand this is a **long-term platform**, not a prototype, powering customers, drivers, admins, inventory, orders, payments, and analytics. I have hands-on experience designing **Spring Boot microservices architectures** with secure REST APIs and JWT-based internal authentication. **My approach includes:** • Microservices using Spring Boot & Java • Secure APIs with JWT and role-based access (Spring Security) • Services for User, Product & Inventory, Distribution, Orders, Payments, Analytics • Clean database modeling using Spring Data JPA • API documentation using Swagger/OpenAPI • Centralized logging, exception handling, caching & performance optimization • Thorough testing and production-ready configurations **Deliverables:** • Complete source code • Database schemas & configs • Swagger API docs • Deployment & environment setup guides • Knowledge transfer and optional post-launch support I focus on **clean architecture, security, scalability, and maintainability** and work with a strong ownership mindset. I would be happy to discuss your architecture and start immediately. Best regards, Priyanshi Parashar Java Backend / Spring Boot Developer 6+ Years Experience
₹5,000 INR in 7 days
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*Professional with 5+ years of programming experience: -Skilled BackEnd Development: JAVA, JEE, Spring, Spring Boot, REST, SOAP, RMI, Architecture micro-services, Spring MVC, Spring DATA, Spring Security, JWT, JSF, Swing. -FrontEnd Development: JSP, Thymeleaf, Bootstrap, Angular. -Analyse and Design: UML, Design Patterns. -Databases: MySQL, Oracle. I can develop your requirements, let have a chat, thank you.
₹25,000 INR in 7 days
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I am an experienced Java backend developer specializing in building large-scale, production-grade microservices using the Spring ecosystem. I have strong hands-on expertise with Spring Boot, Spring Security (JWT, RBAC), Spring Data JPA, and Spring Cloud for designing scalable and secure backend systems. I can take full ownership of backend services end-to-end, including system architecture design, database modeling, REST API development, Swagger documentation, performance optimization, caching, and security enforcement. I follow clean code principles, proper logging, exception handling, and write thoroughly tested, maintainable code suitable for enterprise environments. I have worked on complex domains involving user management, order lifecycles, inventory, payments, analytics, and real-time integrations. I am comfortable collaborating long-term, supporting deployments, and providing knowledge transfer post-delivery. I am confident I can contribute effectively to building a robust, scalable digital commerce backend foundation.
₹7,000 INR in 7 days
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I bring 3+ years of hands-on experience building large-scale, production-grade backend systems using Java and the Spring ecosystem, with strong expertise in Spring Boot microservices, Spring Security (JWT/RBAC), Spring Data JPA, Spring Cloud, and REST API design. I will take end-to-end ownership of your backend platform, from system architecture and database modeling to secure API development, performance tuning, caching, logging, testing, and deployment support. Every service will be cleanly separated, scalable, cloud-ready, and aligned with real-world enterprise standards, not prototype-level shortcuts. Key strengths I bring: Proven experience designing complex microservice architectures JWT-based internal authentication, role-based access control, and secure API communication High-performance backend design with caching, async processing, and optimized queries Well-documented Swagger APIs, clean code, and production-grade error handling Experience with order lifecycles, inventory flows, payments, analytics, and reporting Strong focus on maintainability, testing, and long-term scalability You will receive complete source code, database schemas, API documentation, deployment guides, and clear knowledge transfer. I am comfortable working long-term and supporting post-launch enhancements as the platform grows. This is exactly the kind of serious, enterprise backend system I specialize in building—reliable, secure, and ready to scale.
₹11,000 INR in 5 days
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Gurugram, India
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