MERN Full-Stack Technical Lead Needed -- 2

@abdf2010

Hello, I am interested in your project, MERN Full-Stack Technical Lead Needed -- project. I've successfully completed projects involving Python, Node.js, PostgreSQL before. Happy to discuss the details whenever works for you.

@AZTURK1

Hi there, I will be your Lead Integrator to unify the React/TypeScript UI, Python FastAPI matching engine and Node.js API gateway into a secure, realtime fintech platform , my background in production integrations and financial middleware fits this exact need. - Connect FastAPI outputs to the React dashboard via secure REST + WebSockets; implement message queue (RabbitMQ/Kafka) and retry/error handling - Finalize Node.js gateway handshakes with Telco/bank webhooks, HMAC verification, and Africa's Talking SMS integration - Implement OAuth2/JWT, AES-256 PII-at-rest, TLS1.3, RBAC (6 roles) and centralized audit logging; prepare pen-test checklist - Performance: Redis caching, DB index tuning (Postgres/Mongo), load testing to 10k rec/min and <500ms UI responses; provide rollback & staged deploy Skills: ✅ React (TypeScript) ✅ Node.js (Express/NestJS) ✅ FastAPI (Python) + API design ✅ Docker, Kubernetes, CI/CD, production deployment ✅ Security: OAuth2/JWT, AES-256, TLS1.3, RBAC, audit logging Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start ASAP, can commit 30+ hrs/week. Which payment gateways and Telco sandbox credentials are available now (Finacle/Oracle endpoints, Africa's Talking, and any test keys)? Thanks,

@mugencodes

Hello, I hope this message finds you well. Your project for a Senior Full-Stack Integrator/Technical Lead immediately caught my attention. I understand the challenges of integrating siloed modules into a unified, secure, and scalable financial platform. My experience in React, Node.js, and Python aligns perfectly with your requirements. As the Lead Integrator, I will focus on system orchestration, API handshaking, security hardening, performance tuning, and technical documentation. With expertise in REST API design, Docker, Kubernetes, and CI/CD pipelines, I am confident in optimizing communication between modules and ensuring real-time data updates. My fintech experience includes working with payment gateways, reconciliation tools, and banking middleware, making me well-equipped to handle the critical aspects of your project. I am excited about the opportunity to integrate your existing assets seamlessly. Looking forward to the possibility of collaborating on this project. Best regards, Jayabrata Bhaduri

@MIndlabsAi6

Hello, I am Vishal Maharaj, with 20 years of experience in Python, PostgreSQL, API Development, FastAPI, REST API, CI/CD, Docker, Kubernetes, and Node.js. I have carefully reviewed your project requirements and am confident in my ability to serve as the Lead Integrator for your MERN Full-Stack project. To seamlessly integrate the existing modules, I will focus on system orchestration, API handshaking, security hardening, performance tuning, and technical documentation. By connecting the AI/ML matching output to the UI dashboard, implementing secure APIs, ensuring data flow, enhancing security measures, optimizing performance, and maintaining detailed documentation, I will create a unified, secure, and scalable financial platform. Please initiate a chat to discuss further details and begin working on this exciting project. Cheers, Vishal Maharaj

@johnedwardl

Hi, I will seamlessly integrate your React/TypeScript frontend, Python-based matching engine, and Node.js API gateway into a cohesive financial platform. With over 4 years of experience in full-stack development, particularly in fintech, I'm adept at orchestrating complex systems while ensuring security and performance. My approach involves establishing secure RESTful APIs for real-time data flow, implementing robust error handling, and optimizing inter-module communication for minimal latency. My previous projects include integrating payment gateways and developing fraud detection systems, ensuring compliance with industry regulations. I’ll implement OAuth 2.0 and AES-256 encryption to secure PII, while also setting up comprehensive logging and monitoring systems for audit readiness. To ensure smooth progress, could you clarify if there are specific third-party services or APIs you want prioritized for integration? Additionally, what is your timeline for rollout and testing? I’m ready to get started immediately and deliver a secure, well-documented, and efficient integrated system. Thank you.

@zarminagull189

Hello, I understand you need a Senior Full‑Stack Integrator to unify three existing modules (React/TS UI, Python matching engine, Node API Gateway) into a secure, high‑performance fintech platform. Solution (high level): - Orchestrate real‑time flows via secure REST + WebSockets; add MQ (Rabbit/Kafka) for async - Implement API handshakes (HMAC, bank webhooks, Africa's Talking) with fallbacks - Harden security (OAuth2/JWT, AES‑256 PII at rest, TLS1.3, RBAC, audit logs) - Performance: Redis caching, optimize Python↔Node comms, load testing to 10k/min - CI/CD, Docker/K8s deployment runbooks and unified logging (ELK/Prometheus) Deliverables: - Integrated system + test suite, deployment runbook, Master Blueprint, security & load test reports Budget & timeline: $25/hr (standard), 90 days initial contract (3 months) , can extend to 12 months I have direct fintech integrations and system‑level experience. Portfolio: https://www.freelancer.com/u/zarminagull189 Best regards,

@ivanm465

Subject: Lead Integrator Application - Motko Ivan Dear Hiring Team, I am Motko Ivan, a senior full-stack developer with extensive experience in API integration, backend architecture, and scalable web applications. Upon reviewing the details of your project, I am confident in my ability to serve as the Lead Integrator and successfully map the existing modules into a unified, secure, and scalable financial platform. My approach to this project would involve meticulous system orchestration to ensure seamless data flow between the modules, robust API handshaking with external services, stringent security hardening measures, performance tuning for optimal efficiency, and comprehensive technical documentation for future maintenance. With my expertise in React, Node.js, Python, and fintech experience in payment gateways and banking middleware, I am well-equipped to tackle the challenges outlined in your project description. I am excited about the opportunity to contribute to this project and would welcome the chance to discuss how my skills align with your requirements further. Thank you for considering my application. Best regards, Motko Ivan

@daxm0

Hi there, I’m excited about the opportunity to work on MERN Full-Stack Technical Lead Needed -- 2 and believe my skills and experience make me a strong fit for this project. I fully understand your goals and the direction of this project. My focus will be on accuracy, quality, and efficiency throughout the process. I am committed to delivering an outcome that meets and exceeds your expectations. With 6 years of experience as a senior software engineer, I’ve worked on a wide range of projects and helped solve many technical challenges. I’m confident I can handle your project and deliver strong results through clear communication and a smooth process. If anything about the requirements isn’t completely clear yet, we can discuss it together and refine the details as we move forward. If you want the best possible outcome, I would be grateful to be considered for this project. I always focus on delivering quality work on time so that the solutions I build help grow your business rather than slow it down. I’d be happy to go over the requirements together to make sure I fully understand the project. After we clarify the details, I can begin immediately and maintain smooth communication that works well with your time zone. best regards, Dax M

@vitaliih3

Hello, sir I have experience with a project where the client wanted a mobile app with specific features, but I suggested integrating additional functionalities to enhance user experience. The client initially wanted a basic app for booking appointments, but I proposed adding a payment gateway and push notifications for reminders. By incorporating these features, we were able to streamline the booking process and improve user engagement significantly. ? Implement system orchestration for real-time data flow and error handling ? Enhance API handshaking for seamless integration with external services ? Strengthen security measures with encryption and access control ? Optimize performance through efficient communication and caching strategies ? Document technical aspects for future reference and audit readiness Humor: "I promise not to build a rocket ship when all you need is a bicycle!" Warm Regards, vitaliih3

@demivision

Hello, I’m excited about the opportunity to serve as your Senior Full-Stack Integrator/Technical Lead. I understand your need to unify three robust modules—React/TypeScript frontend, Python-based AI/ML matching engine, and Node.js API Gateway—into a secure, scalable fintech platform that meets rigorous banking standards. With 7+ years in full-stack development and deep fintech experience (mobile money integrations, payment gateways, anti-fraud systems), I have led similar projects connecting siloed systems into cohesive, auditable solutions. My expertise spans React, Node.js (Express/NestJS), FastAPI, PostgreSQL, Docker/Kubernetes, and CI/CD—aligning perfectly with your requirements. My approach focuses on seamless orchestration: mapping robust APIs between each module, implementing secure authentication (OAuth2/JWT), and ensuring real-time, reliable data flow. I will set up unified logging, async processing with message queues, and robust error handling. Security hardening—including AES-256 encryption, TLS 1.3, and RBAC—is a top priority, as is documenting all integration points and ensuring audit readiness. Having worked with payment integrations (Finacle, MTN MoMo) and deployed regulated systems, I’m comfortable preparing for compliance reviews and institutional audits. I’m committed to maintaining clear documentation and knowledge transfer for future development. I thrive on integration challenges and look forward to connecting your assets into a reliable, high-performance system. Thanks Regards