
Suljettu
Julkaistu
We're a funded startup building a data privacy and compliance platform for businesses. We have a working product currently shipping on desktop (Windows & macOS) and are now transforming it into a cloud-native SaaS platform. We're looking for a Senior Backend Engineer (full-stack preferred) to help design and revamp UI/UX and build core backend services from the ground up. You'll work directly with the founding team and have significant influence on architecture and technical direction. What You'll Be Working On Designing and building RESTful microservices for a multi-tenant SaaS platform Implementing authentication, authorization, and licensing/subscription management Building async job processing pipelines for document and file handling Developing APIs that power a customer-facing web dashboard Database design, optimization, and migration strategy CI/CD pipelines and containerized deployments 5+ years backend development Strong proficiency in Python (FastAPI or Django) and/or Node.js/TypeScript (Express, NestJS) Solid PostgreSQL/NoSQL experience (schema design, indexing, query optimization) Message queues and async processing (RabbitMQ, Kafka, Celery, or Bull) Docker and container orchestration basics RESTful API design and implementation at scale Git-based workflows (branching, PRs, code reviews) Security-conscious development practices Preferred / Bonus React / [login to view URL] experience (full-stack capability) AWS cloud services (EKS, RDS, S3, SQS) Document processing or file parsing experience Multi-tenant SaaS architecture SOC 2 or HIPAA compliance familiarity Terraform / Infrastructure as Code ------------------------------------------------------------------------------------------------------------------------------------- Self-starter who takes ownership, not just tickets Strong async communicator — distributed team, written communication matters Production mindset — ships clean, maintainable code Security-first thinking — this platform handles sensitive data Pragmatic — solves real problems without over-engineering Engagement Details Duration: 3-6 months initial, long-term for the right fit Hours: 20-40 hrs/week (flexible, results-oriented) Communication: Slack + GitHub + weekly syncs Start: Immediately NDA & IP agreement required before project onboarding ------------------------------------------------------------------------------------------------------------------------------------ To Apply Brief intro and why this interests you Links to 2-3 relevant projects or repos Your backend stack experience (Python and/or Node.js) Availability (hrs/week) and rate expectations Tags: Python, FastAPI, Node.js, TypeScript, PostgreSQL, Redis, Docker, AWS, React, Microservices, REST API, SaaS, Privacy, Compliance
Projektin tunnus (ID): 40242187
48 ehdotukset
Etäprojekti
Aktiivinen 22 päivää sitten
Aseta budjettisi ja aikataulu
Saa maksu työstäsi
Kuvaile ehdotustasi
Rekisteröinti ja töihin tarjoaminen on ilmaista
48 freelancerit tarjoavat keskimäärin ₹1 344 INR/tunti tätä projektia

Hello, I am excited about the opportunity to contribute to your data privacy and compliance platform for businesses. With my extensive experience in building robust systems for startups, I can help you create a solution that effectively addresses the complexities of compliance while ensuring data privacy. My focus will be on delivering a user-friendly interface that streamlines compliance processes, along with comprehensive reporting features that empower businesses to manage their data securely. I understand the critical nature of your project and am committed to providing a high-quality product that meets your specific requirements. Let’s discuss how I can add value to your team and help you achieve your goals. Regards, Nurul Hasan
₹750 INR 7 päivässä
6,9
6,9

Hello, **** You can track the project’s progress using the tracker. I’m available to work 40 hours per week **** I’ve carefully reviewed your requirements and this opportunity strongly aligns with my background in building secure, multi-tenant SaaS platforms from the ground up. I have 10+ years of backend and full-stack experience, primarily with Python (FastAPI, Django) and Node.js/TypeScript (NestJS), designing scalable RESTful microservices, async processing pipelines, and production-grade APIs. I’ve worked on multi-tenant SaaS architectures with PostgreSQL (schema design, indexing, migrations), Redis/RabbitMQ/Celery for async jobs, and Docker-based deployments on AWS (RDS, S3, ECS/EKS, SQS). I follow security-first development practices, including RBAC, JWT/OAuth2, tenant isolation, audit logging, and compliance-aware design (SOC 2–aligned patterns). I am comfortable contributing to CI/CD pipelines and Infrastructure as Code workflows. I take ownership of architecture decisions, write clean and well-documented code, and work effectively in distributed teams using GitHub-based workflows. Stack strength: Python (FastAPI/Django), Node.js (NestJS), PostgreSQL, Redis, Docker, AWS, React (working proficiency). Rate: ₹[Your Rate]/hr. I’m very interested in helping shape the next phase of your privacy-focused SaaS platform and contributing long-term. I eagerly await your response. Thanks.
₹750 INR 40 päivässä
6,8
6,8

Your multi-tenant architecture will face a critical bottleneck if you don't implement proper tenant isolation at the database level from day one. Without row-level security or schema-per-tenant design, one misconfigured query could expose customer data across tenants - a compliance nightmare for a privacy platform. Before architecting the migration path, I need clarity on two things: What's your current desktop app's data volume per customer (are we talking 10GB or 10TB of documents)? And does your compliance roadmap require SOC 2 Type II within 12 months, because that changes how we structure audit logging and encryption at rest? Here's the architectural approach: - PYTHON + FASTAPI: Build async REST APIs with Pydantic validation and JWT-based RBAC to enforce tenant boundaries at the middleware layer, preventing cross-tenant data leaks. - POSTGRESQL + REDIS: Design a hybrid schema using PostgreSQL for transactional data with proper indexing on tenant_id, and Redis for session management and rate limiting to handle 1K concurrent users without database strain. - CELERY + RABBITMQ: Implement distributed task queues for document parsing jobs with retry logic and dead-letter queues, ensuring zero data loss during file processing failures. - DOCKER + AWS EKS: Containerize services with health checks and auto-scaling policies to handle traffic spikes during customer onboarding without manual intervention. - TERRAFORM: Codify infrastructure so you can spin up staging environments in 10 minutes and maintain compliance audit trails through version-controlled configs. I've built 3 SaaS platforms that scaled from beta to 20K users, including one HIPAA-compliant document processing system handling 500K files daily. I don't take on projects where security requirements are vague - let's schedule a 20-minute call to walk through your tenant isolation strategy and compliance checklist before we start building. Available 30 hrs/week starting immediately.
₹900 INR 30 päivässä
7,0
7,0

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 15+ years of proven experience in full-stack web and backend development and confidently understand your requirement to build a scalable, secure, cloud-native SaaS platform for sensitive data compliance. -->> RESTful microservices for multi-tenant SaaS architecture -->> Authentication, authorization, and subscription management -->> Async job pipelines for document/file processing -->> PostgreSQL/NoSQL database design, optimization, and migrations -->> CI/CD pipelines and containerized deployments (Docker, AWS) -->> APIs powering customer-facing dashboards with security-first practices My approach emphasizes clean architecture, secure APIs, efficient integration, and agile workflow. I am in chat as I have some queries regarding data migration strategy and async job requirements to proceed further. I would approach your project by defining the backend architecture and database schema first, then implement microservices, async processing, and secure API endpoints. Successfully implement this project from start-to-finish. Let's build a platform that is robust, compliant, and scalable, setting the foundation for a long-term SaaS solution. Thanks & regards Julian
₹800 INR 40 päivässä
6,3
6,3

✋ Hi There!!! ✋ The Goal of the project:- To architect and build a secure, scalable multi tenant SaaS backend with modern UI revamp and production ready cloud infrastructure for your privacy and compliance platform. I carefully read your complete requirement including microservices architecture, authentication and subscription management, async job pipelines, database optimization, CI CD, containerized deployments, and security first SaaS transformation from desktop to cloud. With 9+ years experience as a full stack developer, I bring strong ownership mindset and production grade backend expertise suited for a funded startup environment. 1. Design and development of RESTful microservices using Python FastAPI and Node.js with secure auth and licensing modules. 2. PostgreSQL schema design, indexing, migration strategy, and async processing using Redis or message queues. 3. Docker based deployments, CI CD pipelines, and APIs powering customer facing dashboard with clean UI integration. I provide backend architecture design, UI design support, database management, testing, container setup, and full source code delivery at project completion. I have built SaaS platforms with multi tenant architecture, subscription billing, and AWS deployments handling sensitive business data. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
₹800 INR 40 päivässä
5,4
5,4

As a seasoned Senior Backend Engineer with over 5 years of experience, I have successfully revamped UI/UX and built core backend services for similar projects offsite. I understand the importance of designing RESTful microservices for a seamless multi-tenant SaaS platform. My expertise in Python (FastAPI, Django) and Node.js/TypeScript, coupled with strong database optimization skills, ensures efficient authentication, authorization, and licensing management. By prioritizing security and quality in development, I guarantee a scalable solution that handles sensitive data with care. Let's discuss how I can add value to your cloud-native SaaS platform through reliable performance and maintainable code. Free advice: Prioritize a secure, scalable backend for lasting success. Chirag Pipal Regards
₹950 INR 7 päivässä
4,4
4,4

Hey , I just went through the project description, and I see you are looking for someone experienced in REST API, Redis, SaaS, UI / User Interface, Django, Node.js, Desktop Application, Software Development, Python and Streamlit. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Click the 'Chat' button, and I’ll send over the relevant samples immediately for your review. Regards, Abdul Haseeb Siddiqui.
₹1 820 INR 32 päivässä
4,3
4,3

Hello There!!! I’ve reviewed your plan to evolve the privacy/compliance product into a cloud-native multi-tenant SaaS. You need a senior backend/full-stack partner to architect secure microservices, async pipelines, and scalable APIs while helping refine the dashboard UX. ⚜ Multi-tenant REST microservices design ⚜ Auth, RBAC & subscription systems ⚜ Async pipelines (queues/workers) ⚜ PostgreSQL schema & optimization ⚜ Secure API layer for web dashboard ⚜ Dockerized CI/CD deployments ⚜ UI/UX support with React/Next I bring 9+ years building SaaS backends with Python (FastAPI/Django) and Node/Nest. I’ve worked on security-sensitive platforms and enjoy owning architecture end-to-end. My approach is to define tenancy model first, then build modular services, async workers, and hardened APIs, deployed via Docker on AWS. Available 30–40 hrs/week — would love to collaborate with your founding team. Warm Regards, Farhin B.
₹1 100 INR 40 päivässä
3,6
3,6

Hello!!! I HAVE ALREADY WORKED ON SIMILAR TYPE OF PROJECT OPEN CHAT WINDOW I WILL SHARE MY WORK. I have two questions: 1. Should the multi-tenant architecture support full data isolation per client from the start or initially use shared resources? 2. Are there any preferred async job tools (Celery, RabbitMQ, Kafka) you want implemented for document/file processing? What I offer: ⭐ Design and implementation of secure RESTful microservices for SaaS ⭐ Authentication, authorization, and subscription management systems ⭐ Async job processing pipelines for documents and files ⭐ Optimized PostgreSQL/NoSQL database design with indexing and migration scripts ⭐ Containerized deployments with Docker and CI/CD pipeline integration ⭐ Cloud-native SaaS architecture with security-first development practices I have 7+ years of experience in Python, Node.js, FastAPI, Django, and full-stack SaaS development. My approach: 1. Analyze the current desktop product and define core microservices for cloud transformation 2. Implement secure, scalable backend with async processing and multi-tenant support 3. Integrate APIs with frontend and establish CI/CD pipelines for smooth deployment Looking forward to discussing the project in detail in a chat. Best Regards, Shaiwan Sheikh
₹757 INR 40 päivässä
3,5
3,5

Hi Mate , Good afternoon! I am an expert mobile developer with skills including Django, Software Development, Node.js, SaaS, Python, Streamlit, UI / User Interface, Redis, Desktop Application and REST API. Please send a message to discuss more regarding this project. Thanks for giving opportunity
₹4 551 INR 29 päivässä
2,4
2,4

Hello, I've read your brief and I’m excited by the chance to help transform your desktop privacy product into a secure, multi-tenant SaaS. I have strong, practical Django/DRF experience designing clean models, robust authentication and authorization layers, and REST APIs that scale. I focus on maintainability: clear service boundaries, auth/licensing integration, async pipelines (Celery/RabbitMQ), and pragmatic DB schemas with careful indexing and migration strategies. I’ll collaborate closely with your founders to shape architecture, ship CI/CD and containerized deployments, and ensure security-first practices across the stack. I can also contribute to React-based dashboards where needed. Next step: I can start by reviewing your current architecture and proposing an incremental migration plan within the first two weeks. Which existing components (auth, document processing, storage) are already implemented in your desktop product and which must be reworked for SaaS? Best regards, Cindy Viorina
₹1 820 INR 30 päivässä
2,2
2,2

Thank you for considering me for your Privacy & Compliance OnPremise/SaaS project. The opportunity to contribute to transforming your product into a cloud-native SaaS platform caught my eye, and I believe my 7+ years of software development experience align well with your needs. Here's how I would approach this project: - Design and implement RESTful microservices using FastAPI for a scalable SaaS platform - Integrate authentication, authorization, and subscription management with robust security measures - Develop efficient async job processing pipelines utilizing RabbitMQ for document handling - Create APIs to power a user-friendly web dashboard using PostgreSQL for optimized database performance - Implement CI/CD pipelines for seamless deployments with Docker orchestration In a recent project, I revamped a similar desktop application into a cloud-based SaaS platform, improving user experience and scalability. This experience directly relates to the challenges your project presents. To ensure a successful outcome, could you elaborate on the specific compliance standards your platform must meet? This will help tailor my approach to meet your requirements effectively. I invite you to review my portfolio showcasing past projects that demonstrate my expertise in backend development, particularly in Python and Node.js environments. I am excited about the opportunity to collabo
₹825 INR 7 päivässä
2,0
2,0

Hello, I’ve gone through your project details, and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working extensively with Python, Node.js, and various databases like PostgreSQL. My focus is on clean architecture, scalable code, and clear communication to ensure the project runs smoothly from start to finish. I will first review your existing backend and UI/UX, suggest the best technical approach for revamping the SaaS platform, and then proceed with development, keeping you updated at every stage. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: Can you provide more details about your existing architecture and any specific challenges you're facing with the current system? Let’s discuss over chat! Regards, Arpit Jaiswal
₹1 820 INR 37 päivässä
1,7
1,7

Hello, I’m excited by your mission to transform a desktop privacy and compliance tool into a cloud-native SaaS platform. I’ll guide the backend transformation with a pragmatic, security-first approach that preserves your current strengths while delivering scalable microservices, robust multi-tenant data isolation, and a developer-friendly interface for the dashboard. I’ll design RESTful services (Python FastAPI or Node.js) with strong PostgreSQL/NoSQL schemas, efficient indexing, and event-driven async processing (RabbitMQ/Kafka/Celery). Expect clear gated CI/CD, containerized deployments (Docker, AWS basics), and infrastructure as code to support rapid iteration without compromising governance. I’ll collaborate closely with the founding team to define licensing, auth, and license/subscription workflows, while shaping UI/UX feedback loops and API contracts for a secure, production-ready MVP. Best regards,
₹4 551 INR 27 päivässä
1,6
1,6

Hi, I understand you’re transforming a desktop privacy/compliance product into a cloud‑native SaaS platform and need a senior backend engineer to design microservices, authentication, licensing, and async pipelines. This is a critical step to ensure scalability, security, and compliance for sensitive data. As a Top‑Rated freelancer agency with 6+ years of experience and 300+ projects delivered with 100% client satisfaction, we’ve built secure SaaS platforms using Python (FastAPI/Django), Node.js/TypeScript, PostgreSQL, Redis, Docker, and AWS. We focus on clean architecture, CI/CD pipelines, and security‑first practices—exactly what your project requires. Clients value our strong communication and on‑time delivery, and I’m passionate about solving real business challenges with technology. Note: The budget mentioned is indicative and can be adjusted based on the final scope and requirements. Quick clarification: would you prefer Standard Connect‑style onboarding flows for users, or a fully custom multi‑tenant architecture with embedded dashboards? Best regards, Shailender
₹750 INR 40 päivässä
0,4
0,4

I’m interested because this is more than feature work — it’s a ground-up SaaS transformation with real architectural impact. I’ve built RESTful microservices in Python (FastAPI) and Node.js, designed multi-tenant data models in PostgreSQL, and implemented async processing with queues for document-heavy workflows. I’m comfortable owning authentication, subscription logic, and API layers that power customer dashboards. I work with Docker, AWS, and CI/CD pipelines, and I think in terms of scalability, security, and maintainability from day one. I’m available 25–30 hrs/week. Happy to share relevant repos and discuss architecture immediately.
₹1 200 INR 40 päivässä
0,4
0,4

Hello, I can assist with implementing privacy compliance for your on-premise SaaS or desktop application. I have experience handling data protection standards, secure architecture, encryption, access controls, audit logging, and compliance-focused system design. I will ensure your application aligns with required privacy regulations, strengthens data security, and maintains proper documentation and controls for compliance readiness. Let’s discuss your current setup and target compliance standards so we can proceed effectively. Regards, Bharti
₹1 000 INR 40 päivässä
0,0
0,0

Hi, I’ve carefully reviewed your project details and it’s completely doable. This is exactly the type of web development work I handle regularly. I’m a skilled web developer with strong experience in Software Development, Python, Node.js, Django, Desktop Application, Redis, Streamlit, REST API, UI / User Interface and SaaS. I focus on clean code, responsive design, fast loading performance, secure architecture, and user-friendly interfaces to ensure every website or web application runs smoothly and professionally. You can also check similar projects in my portfolio on my profile. I’m confident I can deliver high-quality results that meet your expectations and deadline. Please send me a message so we can discuss the details and get started right away. Looking forward to working with you, Hope to hear from you soon
₹1 820 INR 38 päivässä
0,0
0,0

Hi Founding Team, I’ve read your Privacy & Compliance OnPremise/SaaS shift and I’m confident I can design RESTful microservices, sturdy multi-tenant auth, and a secure, scalable backend while refining UI/UX for a cloud-native SaaS. I bring 5+ years in Python/Node.js, PostgreSQL, and containerized CI/CD, ready to deliver a pragmatic, security-first MVP with clear migration path and governance for SOC2/HIPAA readiness; two key questions to align priorities: what are your top MVP priorities for the initial sprint (auth/licensing vs. data pipelines) and which data domains pose the highest risk during migration? Best regards,
₹4 551 INR 38 päivässä
0,0
0,0

Hi there, I am Sean, a Full-Stack Developer with over 7 years of experience specializing in building scalable SaaS platforms, strong backend services, and user-friendly UI/UX designs. I have successfully delivered multi-tenant applications and integrated complex APIs for high-demand projects, including a cloud transformation for a compliance platform. I am confident that my expertise in Python and Node.js, combined with my experience in designing RESTful microservices and managing PostgreSQL databases, will allow me to build and enhance your data privacy and compliance platform effectively. I can do this project perfectly, ensuring best practices in security and scalability. I typically deliver this scope in 30 days, including thorough testing and deployment strategies. My approach guarantees clean code, security-conscious development, and proper documentation. What is the most critical functionality you want to achieve in this phase of development? Thanks,
₹5 000 INR 30 päivässä
0,0
0,0

Atlanta, United States
Maksutapa vahvistettu
Liittynyt syysk. 25, 2025
₹12500-37500 INR
₹75000-150000 INR
$15-25 USD/ tunnissa
₹600-1500 INR
$750-1500 USD
€30-250 EUR
₹12500-37500 INR
₹75000-150000 INR
₹250000-290000 INR
₹12500-37500 INR
₹1500-12500 INR
₹1500-12500 INR
$15-25 USD/ tunnissa
₹600-1500 INR
$250-300 USD
₹1500-12500 INR
$250-750 USD
$30-250 AUD
$2-8 USD/ tunnissa
$50 USD
$10-11 USD
₹3500 INR
$1500-3000 USD