MERN Expert for ERP APIs - Contract Work

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in AngularJS, API Development, API Integration, MongoDB, MySQL, NoSQL Couch & Mongo, REST API, MERN, Node.js, Docker As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@OutsourceMan

Hello Valuable Client, CnEL India can strengthen and extend your existing MERN-based ERP API layer and integrate it reliably with the Freshworks ecosystem. Our methodology will be: 1. **Code & API Audit:** Review the existing Node.js, Express, MongoDB structure, modules, and current API architecture. 2. **REST APIs:** Build and refine secure CRUD endpoints for users, inventory, finance, HR, territory, CRM, and procurement. 3. **Freshworks Integration:** Implement required OAuth, webhooks, data mapping, and API communication with proper error handling. 4. **Database & Security:** Improve MongoDB models, validation, permissions, and security across the API layer. 5. **Testing:** Add unit and integration tests covering critical workflows and API responses. 6. **CI/CD:** Configure Docker and GitHub Actions for automated linting, testing, and deployment. 7. **Documentation:** Maintain clear Swagger/API documentation and provide structured handover. We recommend prioritizing the API and Freshworks integration first, then expanding the remaining improvements in phases. Best regards, **CnEL India**

@crtvecode

The challenge here is to enhance your RESTful API layer for the Freshworks integration while making sure those endpoints for user management, inventory, financial records, and more are solid and ready for action. I’ll start by reviewing your current API structure, identifying any gaps or inefficiencies, and then I’ll go ahead and implement the necessary CRUD-ready endpoints. I’ll also make sure that the Freshworks apps can interact smoothly with your system. But I can complete the work first, so you can test everything before making any payment or awarding the project, this way you only pay when you're satisfied with the results. I’m ready to start immediately and can get this done for $209, let’s make your platform talk flawlessly with Freshworks! Rajavel - MERN stack developer with a bit of a focus on API integrations.

@ozbas

With over a decade of experience as a full-stack MERN developer along with expertise in multiple other technologies, I believe I am the perfect fit for your Galadima ERP API project. My skillset includes AngularJS, API development and integration, MongoDB and Node.js-all pivotal to your project's success. Not only have I successfully built multi-solution applications like Galadima before, but have also undergone deep integrations using APIs from Finance & HR Management and CRM tools, which aligns perfectly with your needs. I understand that seamless, robust RESTful endpoints connecting multiple modules are the cornerstone of your project, and I guarantee to deliver on this front. My proficiency in MongoDB data modelling and expertise in Secure Coding Practices will secure the entire system against vulnerabilities while ensuring the architecture is highly scalable. Furthermore, My experience in designing automated tests will facilitate continuous integration pipelines ensuring rigorous code review. What sets me apart is my attention to detail and dedication to creating truly sustainable solutions. I anticipate potential issues that can arise when working with multiple complex tools like Freshworks apps, so we can address them proactively. Let's get started on transforming your product into an engineered solution that empowers your business for years to come!

@vishal1145

Your Freshworks integration will fail under concurrent webhook traffic if you don't implement idempotency keys and a retry queue. Without those, duplicate records and race conditions will corrupt your inventory and financial modules during peak usage. Quick questions - what's your current MongoDB indexing strategy for the seven modules you're exposing, and are you enforcing rate limits on the Freshworks OAuth callbacks? Here's the architectural approach: - NODE.JS + EXPRESS: Build idempotent REST controllers with request validation middleware and structured error handling for each CRUD operation. - MONGODB: Design compound indexes across User, Inventory, Finance, HR, Territory, CRM, and Procurement collections to support sub-200ms query performance at scale. - DOCKER + GITHUB ACTIONS: Configure multi-stage builds with automated Jest/Supertest suites, ESLint gates, and zero-downtime deployments to staging and production environments. I've built similar ERP integrations for two SaaS platforms that now process 10K+ API calls daily without downtime. Let's schedule a 20-minute technical call to review your current schema and define the integration SLA before we start building.

@WebXcellance

Hi there! I can help strengthen and expand your Galadima ERP API and integration layer. I have 13+ years of PHP/JavaScript experience and 6+ years with React, along with strong experience working with REST APIs, MongoDB, MySQL, and full-stack web applications. I can work on: * RESTful CRUD APIs for all ERP modules * React/Redux-based application integration * MongoDB data models and API optimization * API security, validation, and error handling * Unit/integration testing and documentation * Git-based development and deployment workflows * Third-party API, webhook, and OAuth integrations I understand the importance of keeping the existing architecture stable while improving reliability and maintainability. I can first review the current codebase and API structure, then implement the integrations module by module. 40 hours weekly I am available for work. Please message me for more discussion about your project. Thanks, Sachin.

@juanpablomacf

The hard part here isn’t just “adding more endpoints”, it’s turning Galadima into a first-class Freshworks citizen while keeping your own modules consistent, testable and easy to evolve. If the data models, auth and webhooks aren’t aligned, you’ll constantly be chasing integration bugs. My approach would be to start with an API audit of the seven core modules (users, inventory, finance, HR, territory, CRM, procurement), then design resource‑oriented REST endpoints with a single auth/validation layer and shared patterns for pagination, filtering and errors. From there, I’d wire Freshdesk/Freshsales via OAuth + webhooks so they can create/read/update/delete Galadima records without manual glue code, and document everything in Swagger/OpenAPI living in the repo. In parallel, I’d harden MongoDB schemas (indexes, constraints, audit fields), add unit + integration tests around the API layer, and set up GitHub Actions pipelines for linting, tests and deployments (Docker‑based). The goal: you can trace any issue from Freshworks or internal users back to a specific endpoint, reproduce it quickly, and patch with confidence. A few quick questions: • How mature is your current API layer—do all modules already expose some endpoints? • Which Freshworks products are in scope first (Freshdesk, Freshsales, others)? • Do you already have a preferred test stack (Jest/Mocha/Supertest) and deployment target (Docker on VPS, Kubernetes, etc.)? Juan

@fullstack0407

As an experienced full-stack developer with a particular focus on the MERN stack, I'm confident that I hold the skillset you need to own the entire engineering workflow for the Galadima ERP platform. With a proven track record of building and scaling large software systems, including CRM setups, APIs integrations, and CMS implementations, I'm well-equipped to strengthen and expand your RESTful API layer. Throughout my career, I've extensively worked with Node.js, Express, React, Redux (or equivalent), MongoDB, Docker, and GitHub Actions - all technologies central to your project. My proficiency in crafting robust CRUD-ready REST endpoints that pass various testing stages aligns with your need for a solid integration layer. I'll go above and beyond to ensure that Freshworks apps seamlessly communicate with Galadima and non-developers can easily understand the API documentation. Moreover, my knowledge of CI/CD pipelines will guarantee the necessary automation for linting, testing, and deployments - saving you time and ensuring a smooth development process. Additionally, should any issue arise post-project completion,

@laxaar

Hello, I hope you're doing well. I work hands-on with MERN REST APIs, MongoDB, OAuth, and Docker-based delivery. For Galadima, I’d map module schemas first, then build tested Express endpoints and Freshworks webhook flows. Swagger docs and GitHub Actions can grow alongside the code. Could we have a short chat to confirm the Freshworks OAuth flow and current data models? Thank you, Jasjot

@nhotsodeep

Hi there, I am an independent developer and i am familiar with MERN stack, i have built and owned platforms with this tech or worked with audit, enhance and existing project. If you need a independent hire and end-to-end collaboration. I would like to connect and hear details from you. Best regards, Tai

@mrresearcher99

Hi, I’m a full-stack developer with 10 years of experience building SaaS, CRM, ERP, and API-driven business platforms. I can step into the existing MERN codebase and first focus on strengthening the REST API layer and Freshworks integrations without disrupting the current modules. I would work across User, Inventory, Finance, HR, Territory, CRM, and Procurement APIs, implementing clean CRUD endpoints, OAuth/webhook integrations, validation, error handling, and automated unit/integration testing. I’ll also review MongoDB models, API security, application architecture, Docker workflows, and CI/CD through GitHub Actions as the platform evolves. Swagger-based documentation, reproducible issue tracking, meaningful Git commits, and maintainable code will be part of the workflow. Let’s discuss the existing codebase and Freshworks integration requirements. Best regards

@arslanshahid386

Hi, I see you're looking to enhance the RESTful API layer of your Galadima ERP system to ensure seamless integration with the Freshworks ecosystem. With my expertise in API Development and Integration, particularly with MERN stack frameworks, I can help you achieve a robust and efficient solution. My experience with Node.js and MySQL ensures that the APIs will be not only scalable but also maintain high performance and reliability. To get started, could you share more details about the current API architecture and any specific challenges you've encountered with the Freshworks integration?

@Eliteinno

The immediate need to enhance the RESTful API layer for Freshworks integration is clear. Strengthening this layer with robust CRUD operations across modules is a priority. Utilizing Node.js, Express, and Swagger will ensure clean endpoints and maintainable API documentation. Familiarity with Freshdesk/Freshsales webhooks will streamline the OAuth flow integration. One key question: Are there specific Freshworks modules or features that require more immediate integration focus, or should all mentioned modules be given equal priority initially?

@technologiesit

I understand that you're looking for an expert to strengthen and expand your Galadima's ERP APIs, and I believe I am the best fit for this project. With over 8 years of full stack development experience, I have faced and successfully overcome a multitude of challenges relating to complex API integrations, data management, and more. My expertise in the MERN stack is well-suited to this project's needs, as I'm deeply experienced with Node.js, Express, React, Redux, and MongoDB. Most importantly, as an engineer who prides himself in turning "mostly working" products into impeccably engineered ones built to last, I’m not just seeking to complete this job but to become your long-term technology partner. I don't just deliver a project and disappear; rather I offer ongoing maintenance and technical support ensuring that minor issues detected by either users or Freshworks support are traced, reproduced and promptly patched within relevant SLAs. Let's build a solid ERP API solution together!

@sf264

Hello, I can strengthen and expand the MERN REST API layer for your Galadima ERP, including the Freshworks integration, CRUD endpoints, webhooks/OAuth, MongoDB models, automated testing, and API documentation. I’ve worked on similar API and ERP integrations and can focus on building a clean, reliable implementation rather than temporary fixes. I’d be happy to review the existing API structure and discuss the integration approach with you. Best regards, Fahad

@KarthikTechCon

Hi there, I'm Karthik, a MERN stack expert with over 15 years of experience in building and optimizing RESTful APIs, particularly for ERP systems. I understand the importance of seamless integration with the Freshworks ecosystem and can deliver robust endpoints for user management, inventory, financials, HR, territory, CRM, and procurement management. My approach focuses on creating well-structured, thoroughly tested APIs that ensure smooth operations and user satisfaction. I’m skilled in Node.js, Express, React, MongoDB, and Docker, with experience in CI/CD pipelines to automate testing and deployment. I prioritize documentation using tools like Swagger, ensuring clarity for both developers and non-developers. My goal is to enhance your application architecture, harden data models, and maintain security standards. Let’s collaborate to elevate Galadima’s functionality and achieve your integration goals efficiently. Looking forward to discussing this further! Best, Karthik

@mojjammil

ERP integrations usually get difficult at the boundaries—different data models, webhook timing, authentication, and keeping records consistent when one system changes without the other. I’d focus on getting those contracts clear before adding more endpoints. I’d start by reviewing the existing Express routes, MongoDB models, and current Freshworks integration, then map each module’s data flow and identify gaps. From there I’d implement the API changes incrementally, add unit/integration coverage around the important workflows, and make sure the documentation and CI checks stay updated as the code changes. The main challenge is handling webhook retries and partial failures without creating duplicate or inconsistent records. How is the current Freshworks authentication and webhook flow structured, and which parts are already working? When a Freshworks record conflicts with a Galadima record, which system should be treated as the source of truth? If we're aligned, I can outline the implementation phases before kickoff. Best regards

@tyronet2

Galadima needs its API layer strengthened—robust REST endpoints for 7 modules, Freshworks integration, MongoDB optimization, and CI/CD automation. This is exactly the type of backend-first, data-intensive work I thrive on. I have deep Node.js and MongoDB experience. At Poundit, I built scalable backend systems with third-party integrations (Stripe webhooks, OAuth flows)—the same pattern you need for Freshworks. I understand ERP architecture: multiple modules need isolated, testable endpoints, and data integrity is non-negotiable. I'll design the API as modular REST services, each with CRUD operations, full test coverage, and Swagger documentation alongside the code. Here's my approach: Phase 1 (4–6 weeks): Core REST endpoints for all 7 modules, Freshworks webhook receivers (OAuth + real-time sync), unit and integration tests, GitHub Actions CI/CD pipeline. Phase 2 (2–3 weeks): MongoDB schema hardening, security audit, API documentation. Phase 3 (1–2 weeks): observability, SLA definition, handoff documentation. Each endpoint will be tested, documented, and ready for Freshworks apps to consume without manual intervention. Docker keeps everything reproducible. Let's start with a technical call to review the current Galadima architecture and define the integration scope clearly.

@crystalhitesh

Hi, I can take ownership of Galadima’s engineering workflow, with the Freshworks API integrations as the first priority. With 10+ years of full-stack experience, I work extensively with Node.js, Express, React, Redux, MongoDB, REST APIs, Docker and Git. I’ll build clean CRUD APIs across your seven modules, implement secure OAuth/webhook flows, and make the integrations reliable and testable. I’ll also strengthen MongoDB models, security and automated unit/integration testing, document APIs with Swagger, and maintain GitHub Actions CI/CD for consistent deployments. The key for me is building the integration layer properly now so future Freshworks and third-party connections don’t require reworking the core architecture. I’m ready to review the existing Galadima codebase and API structure and start with the integration layer.