Architect for SaaS Product

@vishal1145

Your multi-tenant isolation strategy will determine whether you can scale to 1,000 customers without rewriting the entire database layer. If you use shared schema with tenant_id filtering, one missing WHERE clause exposes all customer data. Quick questions - are you planning row-level security in PostgreSQL or application-layer tenant filtering? And what's your target for concurrent tenants per instance before horizontal scaling kicks in? Here is the architectural approach: - POSTGRESQL SCHEMA DESIGN: Build normalized multi-tenant schema with RLS policies, composite indexes on tenant_id + timestamp, and JSONB columns for flexible metadata without schema migrations. - AWS INFRASTRUCTURE: Deploy containerized Node.js services on ECS Fargate with RDS PostgreSQL, S3 for file storage, and Lambda for async jobs, keeping monthly AWS costs under $500 at launch. - CI/CD + SECURITY: Implement GitHub Actions pipeline with automated schema migrations, ESLint + Jest coverage gates, environment-specific secrets in AWS Secrets Manager, and JWT refresh token rotation every 7 days. I've architected 2 SaaS platforms from zero to production serving 10K+ users, including one fintech app that passed SOC2 audit on first attempt. Let's schedule a 30-minute architecture review call so I can validate your existing specs before you commit engineering resources.

@santoshkumars17

Having expertly designed and built SaaS products from scratch, I'm excited to bring my unique skill set to your team. Key to your project is an architect with deep experience in the relevant technologies and a proven ability to make important foundational decisions. As an architect with 5+ years of real-world experience, I have carefully reviewed Technical Architecture & Product Specification documents, identified gaps and opportunities before production code was ever written. In addition, I have deployed several production applications on AWS using services such as EC2, RDS, S3, ECS and implemented cost optimization strategies. With my sound understanding of PostgreSQL schema design and practical knowledge about APIs, I have a good hold on the CRUCIAL components of databases and backend design. My skills can be gamely employed to supervise architectural decisions like entity relationship model, security models et al for the project. Security is paramount when it comes to SaaS products; being familiar with JWT security trade-offs and having implemented field-level encryption in a production system , makes me particularly suitable for this role . Finally, as an individual who values great collaboration, clear communication and ensuring work is delivered on time, I believe I can elevate your project from ideationto execution. Let’s together transform your brilliant concepts into exceptional software that meet your needs. Looking forward to discussing more!

@mahads31

With over a decade's worth of experience conceiving, developing, and maintaining intricate digital projects like yours, I am ideally positioned to oversee your SaaS product's architecture design. My work is data-driven. That said, I will design a strong and adaptable foundation for your backend using my deep understanding of PostgreSQL alongside my hands-on Node.js backend expertise that helps me materialize clean, readable code. In addition to a robust schema design and proficient use of GitHub for repository management, I have a security-first mindset which comes with an understanding of the necessary measures required to safeguard your product. My comprehension of encryption methodologies and role-based access controls, demonstrated by my implementation of field-level encryption in a production system, ensures that customer data is protected. Moreover, my broad-ranging AWS knowledge will be instrumental in deploying your application securely and cost-effectively. Techniques such as EC2 usage opening possibilities for horizontal scaling or employing ECS/Lambda for cost-efficient load balancing are strategies I am well-acquainted with.

@fullstack0407

I have read your job post. I am a Senior Full Stack Developer with experience designing SaaS platforms, ERP/CRM systems, multi-tenant architectures, and enterprise applications using Node.js, React, PostgreSQL, AWS, Docker, and CI/CD. I can lead the technical architecture from the ground up by reviewing your existing specifications, designing a scalable multi-tenant data model, defining API standards, implementing secure authentication and RBAC, establishing GitHub workflows, CI/CD pipelines, testing standards, and AWS deployment architecture. My approach focuses on clean architecture, maintainable code, security by design, and performance, ensuring the platform is ready to scale as your product grows

@kumarashish99

Hi, I’d be excited to help architect your SaaS platform. I have 10+ years of experience designing and delivering scalable SaaS solutions on AWS, with expertise in Node.js, React, PostgreSQL, AWS, Terraform, CI/CD, and cloud security. My experience includes: Designing multi-tenant SaaS architectures, database schemas, REST APIs, and secure authentication/authorization models. Building production platforms on AWS (EC2, ECS/Fargate, RDS, S3, CloudFront, Lambda, IAM) with Infrastructure as Code and GitHub Actions. Defining repository structure, branching strategy, CI/CD, testing standards, environment management, and code review processes. Implementing RBAC, JWT/refresh token strategies, audit logging, Secrets Manager, encryption, and OWASP security best practices. Reviewing architecture documents, identifying risks, validating implementation approaches, and creating scalable technical roadmaps. Relevant projects: LinkMe – Designed and built the AWS architecture for a platform handling 50M+ requests/day, with Terraform, ECS, RDS, OpenSearch, GitHub Actions, and a multi-environment deployment strategy. Thanks

@mrresearcher99

Hello, I have 10 years of experience designing and delivering scalable SaaS platforms, enterprise applications, and cloud-based systems using Node.js, React.js, PostgreSQL, REST APIs, and AWS. My approach will begin with establishing a robust multi-tenant architecture, well-defined API standards, secure authentication, optimized PostgreSQL schema design, and a modular foundation that supports long-term scalability. I can review your existing technical architecture and product specifications, identify implementation risks, and recommend improvements before development begins. I also have extensive experience setting up GitHub workflows, CI/CD pipelines, secure coding standards, role-based access control, audit logging, and cloud deployments focused on performance, maintainability, and security. I would be glad to discuss your architecture, technology decisions, and the roadmap for building a production-ready SaaS platform. Best regards

@kishanbwts

I see your need for a strong architecture foundation to build a secure, scalable SaaS from scratch. I’ve led the design and launch of a SaaS platform where I created the canonical data model, API standards, and multi-tenant security layers before coding started. That early work prevented costly changes down the line. For your setup, I would start by reviewing your existing architecture docs to flag any gaps or risks in API contracts and data isolation. Since you want GitHub Actions + Render/Vercel, I’ll design an efficient CI/CD flow with clear branching rules and automated testing to fit those tools. On the tech side, I’d pick Node.js and React frameworks with a PostgreSQL schema tailored to your business needs, ensuring role-based access and encrypted data meet DPDP compliance. Have you planned how strict the token expiration and refresh workflow will be? Also, are audit logs expected to be immutable at the storage level or through app logic? I’m ready to jump in and review your current docs, then draft an actionable blueprint for your SaaS architecture that’s secure, clear, and built for growth.

@ashinnd84

Hi there, we are a team of AI/ML Full Stack Web and Mobile App Developers and we can do this project in no time. Thanks Ashish Kumar.

@ammarahmed20

Hi, I hope you're doing well. I can help establish a scalable, secure foundation for your SaaS platform by reviewing your existing architecture and product specifications, refining the data model, defining API standards, security architecture, multi tenant design, and setting up a production ready development workflow with GitHub, CI/CD, testing, and deployment best practices. I have strong experience with Node.js, React, PostgreSQL, AWS, REST API architecture, authentication, and security focused application design, and I understand the importance of making the right technical decisions before development begins. I'd be happy to share relevant architecture and SaaS projects from my portfolio. Please have a look at my profile, and I'd love to discuss your current documentation and implementation roadmap. Kind regards, Ammar M.

@FreeLancers360

Hello, I just finished reading your brief for "Architect for SaaS Product", and I'm genuinely excited about the chance to work on it. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves react, node, frontend — all areas we handle in-house. We specialise in UML Design, Database Administration, Node.js, PostgreSQL, which lines up directly with what you need. How we'd approach it: - Map out the scope, pages and data models up front - Build the frontend and backend with clean, scalable code - Test across devices and browsers, then deploy - Hand over with documentation and post-launch support Expect smooth progress updates throughout, full respect for your specifications, and zero surprises along the way. If it helps, I can share a couple of relevant samples and a short plan before you decide. Looking forward to it! Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!

@crystalhitesh

Hi, With 10+ years of experience designing SaaS platforms from scratch, I can lead your architecture, establish secure multi-tenant foundations, define scalable PostgreSQL schemas, implement production-grade Node.js/React standards, and set up GitHub, CI/CD, AWS, and security best practices. I'll review your existing specifications, identify risks before development begins, and deliver a maintainable, enterprise-ready architecture with strong OWASP compliance and long-term scalability.

@avinashjain09

Hello, I can be your Fractional CTO who can handle all the responsibilities mentioned by you. I have been handling such type of responsibility for various clients for past 5-6 years with overall experience of 14 years. I am available to give the interview if required. I will bring all my experience in your company to make sure your tech part is at its best. Regards Avinash

@KarthikTechCon

Hi, I'm Karthik (15+ years of software architecture experience). I have architected and shipped multiple B2B SaaS platforms from scratch—owning everything from multi-tenant data schemas and RBAC to CI/CD pipelines and AWS cloud design. Key Technical Capabilities: SaaS Architecture & Multi-Tenancy: Canonical ERD design, schema/row-level multi-tenant isolation, immutable audit logging, and DPDP-compliant field-level encryption. Full-Stack & Postgres: Deep Node.js + React expertise; advanced PostgreSQL schema design, indexing, and migration strategies. AWS & DevSecOps: Production deployments across EC2, RDS, S3, ECS/Lambda, GitHub Actions CI/CD, JWT/Refresh token rotation, and cost optimization at startup scale. Proposal & Approach: Spec & Architecture Review: Thorough review of Telovas's docs to eliminate risks/gaps before coding starts. Foundations: Standardize repo structure, branching, CI/CD, linting, testing, and API conventions (versioning, rate limiting, OWASP guardrails). Execution Plan: Clear, production-ready system architecture blueprint ready for dev handover. Bid Details: Fixed Price: ₹245,000 INR Timeline: 10–14 Days Available to review your existing specifications and start immediately.

@gauravl3

As someone who has designed and built an entire SaaS product architecture from scratch, ensuring it's scalable, highly secure, and efficient, I believe I'm uniquely positioned for the job. With my deep understanding of creating schema design-driven PostgreSQL databases from business requirements and my proficiency in Node.js backends and React frontends at the framework level, I can confidently wield the tools needed to review and approve Telovas' Technical Architecture and Product Specification documents. Additionally, my experience in deploying production applications on AWS, including EC2, RDS, S3, as well as my familiarity with CI/CD best practices using GitHub Actions and Render/Vercel align well with your outlined project requirements. I'm well-versed in AWS cost optimization at startup scale too. Moreover, my focus on security is in line with the project's DPDP compliance design needs, encryption key management, JWT/refresh token strategy implementation, role-based access control creation, аnd audit log immutability design. Ultimately, I approach projects with a security-first mindset while taking into consideration the performance and business values of the solution. My overarching goal is to provide scalable products that are tailored to delivering clear business outcomes like what Telovas envisions. Let's collaborate to transform your innovative idea into a high-performing SaaS reality. Together we will drive value and success for your users.

@dushyant317

Hi, we can architect your SaaS platform from the ground up with secure multi-tenant architecture, PostgreSQL schema design, Node.js/React, AWS deployment, CI/CD, and production-grade APIs built for scalability and compliance.

@rajeshrolen

Dear Telovas, I am excited about the opportunity to work on your SaaS product as the Architect. With over 10 years of experience in designing and implementing robust architectures, I am confident in my ability to meet and exceed your expectations for this project. I have a proven track record of designing and owning canonical data architectures, establishing development environments, making foundational technology decisions, and ensuring security compliance. My expertise in PostgreSQL, Node.js, React, and AWS will enable me to effectively contribute to the success of your project. Having designed and shipped SaaS products from scratch, I understand the importance of a security-first mindset and have hands-on experience with REST API development. I am committed to delivering high-quality work that aligns with your vision and requirements. I am looking forward to the opportunity to discuss how I can add value to your project. Please review my portfolio at https://www.freelancer.com/u/rajeshrolen and let's connect to further explore how we can collaborate. Sincerely, Rajesh Rolen

@KasjanovaEste

Hi Evgenia here from Mexico I read the brief, the emphasis on multi‑tenant isolation and DPDP compliance really stood out showing a deep security focus Plan is to create a SEO‑ready structure for the data model, define API contracts, set up GitHub repo with branch strategy, CI/CD via GitHub Actions and Render, choose Node.js framework and PostgreSQL schema, implement JWT with refresh tokens and role based access, configure AWS resources for cost efficiency I have built SaaS platforms from ground up, focusing on secure architecture and scalable databases Questions for better understanding: 1 How do you prefer handling tenant data segregation, shared schema or separate databases, this will shape the core design 2 Which third‑party services are already vetted for integration, knowing this helps avoid future rework

@RajAbhisek

We've designed and shipped multi-tenant SaaS products from scratch on Node.js + PostgreSQL + React — Telovas' stack matches exactly what we work in daily. We can review your existing Technical Architecture & Product Specification docs, identify gaps, lock in the ERD and multi-tenant isolation model, set up the CI/CD pipeline (GitHub Actions + Render/Vercel), and define the JWT + DPDP-compliant security architecture before any production code is written. Production AWS experience across EC2, RDS, S3, and Lambda. We've built REST APIs at production quality — versioning, rate limiting, RBAC, field-level encryption. Security-first approach, familiar with OWASP Top 10. Available immediately. Share the spec docs and let's set up a discovery call.

@copulas

With over 15 years of full-stack engineering experience, COPULAS Co., Ltd. is well-equipped to architect and build scalable SaaS platforms from the ground up. Our expertise spans Node.js, React, PostgreSQL, and API design, enabling us to make sound architectural decisions that support long-term growth rather than simply delivering features. We emphasize clean architecture, maintainable code, and cost-efficient AWS infrastructure tailored for startup environments. By combining proven engineering practices with AI-powered development workflows, we deliver high-quality solutions faster without compromising reliability. Security is a core priority. Our team has implemented production-grade encryption, understands JWT authentication, and follows OWASP Top 10 best practices to build secure, resilient systems from day one. Beyond development, we value clear communication, timely delivery, and long-term partnerships. We would be excited to help turn your vision into a reliable, scalable SaaS product that is built for both today's needs and tomorrow's growth.