Plataforma Fintech Completa de Pagamentos

@webbookstudio

Hi there, We understand you're looking to launch a comprehensive fintech payments platform that can handle a high volume of transactions from day one, supporting Pix, national and international cards, and other payment methods, with a focus on a seamless experience for both retailers and buyers. With our expertise in PHP, JavaScript, and cloud computing, and having worked on similar projects such as a payment gateway for an e-commerce platform and a fintech solution for a banking institution, we're confident in delivering a scalable and high-availability architecture. Our team has experience with micro-services, queues, and cache, ensuring your platform can process Pix in under 2 seconds and cards in up to 1.5 seconds, while supporting 1,000 sustained RPS from the MVP stage. One question: Have you considered integrating any specific third-party services for anti-fraud engine and machine learning capabilities, or would you like us to recommend some options? Feel free to message us to discuss the details! — Webbook Studio

@kamran2012

Hello there, I will architect your fintech payment platform — checkout adaptativo, Pix e cartões, split de pagamento, assinaturas recorrentes, motor antifraude com ML e painel analítico em tempo real — using a microservices architecture with event-driven communication. For hitting 1,000 RPS from day one, I will design each service behind an API gateway with rate limiting, using message queues for async processing (Pix callbacks, webhook delivery, split settlements). This keeps latency under your targets while isolating failures — so a spike in chargebacks never degrades checkout performance. Questions: 1) Which acquirer or PSP do you plan to integrate for card processing — or should I recommend options based on your volume profile? Looking forward to potentially working together. Thanks, Kamran

@appmechanic

Hello, I hope you're having a great day. Tenho hands-on em pagamentos e APIs, having delivered multiple projects que incluíram processamento de cartões, Pix e integrações com adquirentes. Num projeto parecido implementei um gateway que rodava em AWS com Kubernetes, Kafka para filas, Redis para cache e OpenAPI para documentação; resolvemos latência de autorização de cartão reduzindo chamadas síncronas e otimizando o path crítico de tokenização. Eu começaria definindo o contrato OpenAPI, modelando eventos críticos para webhooks e montando um POC de checkout com Laravel (PHP) e uma API em Node.js/Express, usando Terraform para infraestrutura e GitLab CI para pipelines. Provavelmente vou usar Kafka para split e filas, e Redis para cache de sessão. If you have ten minutes, I'd like to compare notes on the expected traffic bursts and the bank/PIX provider options so we pick the right settlement flow. I have some questions regarding the project: 1) Qual será o provedor de PIX ou você prefere integração direta com bancos/PSP? Isso muda o retry e SLA. 2) Para chargebacks e disputas, qual o fluxo legal/operacional que sua equipe prefere (manual review antes de estornar, ou auto-dispute)? 3) Quer que o antifraude rode modelo ML próprio ou usar SaaS com regras customizáveis? Obrigado, Paramjot Singh

@dgmstudioinfo

With a decade-long tenure in full-stack development, I believe my skills and expertise align extremely well with your detailed project requirements. I am fluent in both Node.js and Python, which are essential for ensuring a robust and scalable foundation for your fintech platform. My coding proficiency is not just limited to writing functional code; I design for digital growth and measurable ROI. This creatively technical approach is exactly what your project warrants. I fully appreciate the imperative nature of your project regarding security and performance. Based on my prior work, I have an affinity for creating high-performance websites that meet stringent compliance standards like PCI-DSS and LGPD. Plus, as an experienced developer in developing gateways or adquirentes, I understand the complications that can arise during their integration. And I am confident that my experience will enable accelerated go-live solutions while ensuring a smooth workflow. Finally, I want to underline my commitment to providing a complete package that includes the source code, infrastructure as code, playbooks of deployment, and operational manuals for your team. My deliverables aren't just confined to the product – they extend to support throughout your journey post-deployment as well. If you're seeking a dedicated partner who doesn't just think of code but believes in designing sustainable solutions for businesses – let's connect!

@skalogir

Hi there, I understand you need a scalable fintech payment platform for Pix, national/international cards, payment links, subscriptions, split payments, REST APIs, webhooks, analytics, antifraud, chargeback recovery, affiliates, staging, OpenAPI documentation, CI/CD, IaC, PCI-DSS, and LGPD readiness. I have strong experience building payment gateways, marketplace payment flows, microservices, queue-based processing, cloud infrastructure, secure APIs, real-time dashboards, fraud/risk workflows, automated testing, and high-availability systems designed for transaction-heavy environments. I would design a cloud-native architecture on AWS/GCP/Azure, integrate reliable Pix/card processors, isolate PCI-sensitive flows, build versioned APIs and webhooks, add observability and load testing for 1,000 RPS targets, and deliver source code, deployment playbooks, and operations documentation for go-live. Q1: Do you already have agreements with Pix/card acquirers or PSPs? Q2: Should the MVP support full marketplace onboarding/KYC from day one? Q3: What launch timeline and initial transaction volume do you expect? Best regards, Stratos

@PINESCRIPTERR

Olá! Estou animado com a oportunidade de ajudar a lançar sua fintech de pagamentos. Com experiência em automação de software e integração de gateways de pagamento, posso garantir que sua infraestrutura seja robusta e escalável desde o primeiro dia. Acredito que minha experiência em criar APIs REST consistentes, combinada com a implementação de motores antifraude usando machine learning, será fundamental para atender às suas necessidades. Além disso, conheço bem a importância de uma experiência simples e fluida tanto para lojistas quanto para consumidores. Gostaria de saber mais sobre suas prioridades em relação à documentação técnica e como você imagina a integração com os sistemas existentes. Além disso, qual é o seu cronograma ideal para o lançamento? Estou à disposição para discutir mais sobre sua visão e compartilhar exemplos do meu trabalho. Vamos conversar?

@sekai1116

As a senior web engineer, my main area of specialization is in designing and developing high-performance web applications and SaaS platforms, which aligns perfectly with your fintech project. I have worked on numerous projects that involve handling complex payment systems, including marketplaces and subscription-based services, giving me a deep understanding of the requirements for a complete payments platform like yours. Additionally, I'm experienced in utilizing different payment gateways and adquirentes, which can significantly accelerate your go-live process. My commitment to delivering nothing short of excellence means that all deliverables you mentioned including the source code, infrastructure-as-code, deployment playbooks, as well as detailed technical documentation will be provided. Beyond this, my knack for building secure infrastructures aligns directly with your need for PCI-DSS and LGPD compliance from day one. With me in control of your project you'll have peace of mind throughout the entire development lifecycle!

@flapjakc

Olá! Uma fintech de pagamentos completa no Brasil — Pix, cartões nacionais e internacionais, split de marketplace, assinaturas recorrentes, antifraude com ML, módulo de afiliados e painel analítico em tempo real. Escopo ambicioso e bem definido. Node.js/NestJS com arquitetura de microsserviços, PostgreSQL, Redis para cache, filas via BullMQ, AWS. API REST versionada com OpenAPI, webhooks para eventos críticos, checkout adaptativo por dispositivo, links de pagamento instantâneos. Pix integrado via Banco Central API com processamento abaixo de 2s, cartão via adquirente nacional (Cielo ou Rede) abaixo de 1,5s. PCI-DSS e LGPD desde a fundação — não como afterthought. Pipeline CI/CD, ambiente de staging, testes automatizados, infraestrutura como código e playbooks de deploy incluídos. Suporte a 1.000 RPS sustentados no MVP com arquitetura horizontal escalável desde o dia um. Manda uma mensagem e vamos ao go-live. Mateo

@jitendras097

Hi, I’m Jitendra. I understand you’re building a high-scale fintech payment platform (Pix + cards + subscriptions + marketplace split) with strong focus on performance, compliance, and scalability from day one. I can design and build a cloud-native payment infrastructure using microservices architecture (AWS/GCP), with event-driven processing, queues (Kafka/SQS), Redis caching, and CI/CD pipelines for high availability and scalability. Core stack I recommend: Node.js/Go microservices, PostgreSQL, Redis, Kafka, Docker + Kubernetes, OpenAPI REST APIs, Terraform (IaC), and strict PCI-DSS + LGPD-compliant architecture. Key modules: Smart checkout (adaptive + optimized conversion flow) Pix + card processing API (low-latency routing) Subscription engine (trials, upgrades, coupons) Marketplace split payments (automatic settlement) Fraud detection layer (rules + ML-based scoring) Real-time analytics dashboard Chargeback + recovery system Affiliate tracking & commission engine I have 10+ years of experience in building scalable fintech and high-transaction systems, including payment workflows, APIs, and secure financial architectures. I can help structure the MVP so you reach go-live faster without compromising compliance or scalability. Thansk JItendra

@danielboggs

Hi, I can help architect and build a scalable fintech payment platform for Pix, cards, subscriptions, payment links, split payments, analytics, antifraud, webhooks, and merchant operations. The main point is that you need a serious payment infrastructure from day one - not just a checkout, but a secure, scalable platform that merchants can trust with real transaction volume. I understand the scope includes smart checkout, payment links, recurring billing, marketplace split settlement, REST API with OpenAPI docs, webhooks, real-time dashboards, fraud rules/ML layer, chargeback/recovery flows, affiliate tracking, staging, CI/CD, automated tests, IaC, and operational documentation. I'd approach this with a discovery and architecture phase first, because PCI-DSS, LGPD, high availability, 1000 RPS, and payment latency targets need the right foundation before coding. I have experience with fintech-style platforms, payment gateway integrations, API architecture, microservices, queues, caching, dashboards, fraud/risk logic, webhooks, cloud deployment, CI/CD, Terraform/IaC, and secure backend systems. My preferred stack would be Node.js/NestJS or Go for services, PostgreSQL, Redis, Kafka/RabbitMQ, Kubernetes, Terraform, and AWS/GCP depending on compliance and payment provider requirements. I am looking forward to working with you. Best regards. Daniel

@np45

I've integrated Stripe, PayPal, and custom payment gateways in production — and the hard parts aren't the API calls, they're webhook idempotency, failure recovery, and PCI-DSS scope reduction. For your platform: Node.js microservices on AWS (ECS + SQS + ElastiCache), PostgreSQL, React dashboard, separate tokenization vault. Pix via Banco Central API hits <2s with async processing; card via Adyen achieves <1.5s. Step 1: Architecture decision record + OpenAPI contract + CI/CD pipeline (GitHub Actions → Docker → ECS) + staging environment. Step 2: Core engine — Pix + card processing, webhook retry queue, payment links, split settlement. Step 3: Subscription engine + ML fraud rules (scikit-learn + rule layer) + real-time analytics + chargeback flow. LGPD data residency and PCI-DSS tokenization built in from day one — not retrofitted. Let's define maximum merchant value for your MVP. Architecture draft ready within 24h of kickoff.

@AndrewJSMAN

I’ve built high-throughput payment backends handling Pix, card payments, and split settlements on AWS/GCP before—so this is right in my wheelhouse. My approach: I’ll scaffold a Go microservice for transaction processing with Redis for rate-limiting and caching, integrate PIX via Central Bank API, cards via Cielo/Stone, and boleto via Banco do Brasil’s API key. The checkout will use Web Components for adaptive rendering, link generation will hit a serverless function, and subscriptions will run on top of Stripe-like logic with trial/coupon handling baked into the DB. I’ll set up webhooks via SQS/SNS, antifraude with a pre-trained ML model (XGBoost) and custom rules in Redis, and a Grafana/Prometheus stack for real-time metrics. CI/CD will gate on PCI-DSS scans, load-tests will simulate 1k RPS with Locust, and the staging environment will mirror prod to catch edge cases before go-live. You’ll get IaC (Terraform), Ansible playbooks, and a README with operational runbooks. I can start immediately.

@chiragpipal

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, thank you for sharing your detailed project brief. I can build your advanced fintech payment solution for medium-sized digital businesses using a scalable and high-performance tech stack. I will deliver: • Intelligent checkout adapting to all devices • Instant shareable payment links • Configurable recurring subscriptions • Native split payments for marketplaces • Real-time analytical dashboard • Fraud prevention with machine learning • Sales recovery flow and chargeback management • Affiliate module with tracking You will also receive: • Detailed technical documentation • Automated testing pipeline • AWS/GCP/Azure deployment flexibility I am confident I can execute your vision effectively. Looking forward to discussing further. Best regards, Chirag.

@cindyviorinar

Hi ? This is a serious fintech-grade build, and I’ve worked on payment-heavy systems with similar requirements around APIs, webhooks, and high-throughput transaction flows. I can help you design a scalable architecture from day one (microservices, queues, caching layer, and secure payment orchestration) that can handle Pix + card processing without becoming fragile under load. I’d approach this by first defining a clean payment core (ledger + transaction engine), then building modular services around checkout, subscriptions, split rules, antifraud, and reporting—so everything stays extensible for future rails like boletos or new providers. Quick questions: Do you already have acquiring/PSP partners for Pix and card processing? Should antifraud be built in-house or integrated (ClearSale, Sift, etc.)? Are we starting cloud-native from day one or migrating from an existing system? If you’re ready, I can start with the architecture + system design blueprint first ? Talk soon.