Full-Stack Engineer (Australia-based) — Secure App Foundation & Data Architecture

@opencollar

Thanks for sending your invitation for the project. I can help you to engage a Austrailian based Freelancer associated with our agency. Let me know when you are available.

@seefattechnologi

Exactly----->> I will complete this project as per the given scope of work with high QUALITY . You will get clear communication, creative thinking, and reliable delivery without constant follow-ups. I am Passionate PHP /Full stack developer having rich experience with so many successful Tasks. Please ping me to get started and provide you great results. Thanks

@sajjadtaghvaeifr

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr

@melikatfz

Hey, the strict data segregation with personal data isolated by an opaque key is a smart move for privacy. I'd set up a separate identity_vault schema in Supabase, managing the linking and server-side re-identification through the DAL. The real challenge is making sure RLS correctly enforces this across multi-tenancy without bypassing it. Have you considered how the opaque key will be generated and managed?

@vonguyen

Dear Sir, I read your geographic requirement carefully. While I am an independent contractor based just across the Tasman in Christchurch, New Zealand (working in your exact timezone), I am reaching out because your architecture requirements—specifically the isolated PII vault, server-side re-identification, and append-only consent logging—perfectly match the production systems I build. If you are open to an ANZ-based engineer operating under identical regulatory alignment Thanks,

@AnumFatima210

Hello, I came across your Full-Stack Engineer (Australia-based) - Secure App Foundation & Data Architecture and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, React. js, Full Stack Development, Next. js, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you.

@joshlui

<<<✔Consider it DONE✔>>> YO! I understand your project and I'm eager to help. As an Australian-based independent full-stack engineer, I am your ideal candidate for this project. Having worked on various WordPress development projects, I’ve honed skills that translate seamlessly into building secure and scalable applications, just like the one you need. My experience with PHP also ensures a solid grasp on data architecture - a key element for this milestone. Looking forward to being part of your project! You will surely be impressed by my work! Not sure what the next step is? I offer free and professional consultation -- I'm just a text away. All the very best, Josh

@SkillCrafts

I understand you're looking for an experienced full-stack engineer to build a secure app foundation and data architecture, similar to the secure data pipelines I've architected for previous fintech clients, ensuring robust data integrity and access control. My approach will involve leveraging AWS services for scalability and security. I'll design a secure API gateway using AWS API Gateway, implement serverless functions with AWS Lambda for backend logic, and establish a secure relational database using Amazon RDS (PostgreSQL) with appropriate encryption and access policies. For authentication and authorization, I'll integrate AWS Cognito. Infrastructure as Code (IaC) will be managed using Terraform for repeatable and version-controlled deployments. What are your primary concerns regarding data privacy compliance for this consumer application? Do you have any existing architectural blueprints or preferred cloud provider services in mind? I'm available for a brief call to discuss how I can deliver this secure foundation efficiently.

@LivraisonTech

I am an independent full stack engineer based in Sydney with over eight years of experience building secure, scalable applications using React, Next. js, and TypeScript. I have extensive experience in data architecture and database design, specifically integrating machine learning models into PHP and Node. js backends. I can establish a robust foundation for the Secure App Foundation and Data Architecture project, ensuring all data structures are optimized for AI development and long term scalability. My previous work includes developing high performance mobile applications and complex data pipelines for Australian startups. I am available to start immediately and work within your specified budget.

@vanhuy19892011

Hi there, You've outlined a clear set of deliverables for Milestone 1: provisioning production and staging Supabase environments in the Australian region, designing a scalable multi-tenant relational schema with version-controlled migrations, confirming encryption at rest and TLS, building secure auth with verification and consent logging, and strict data segregation using a vault model linked by pseudonymised keys. I understand the importance of the privacy architecture and will structure the schema to cleanly separate identity data, making re-identification access explicit and auditable. I'm based in Australia, work independently, and hold a valid ABN, so I meet your location and compliance requirements. To speed up clean project scaffolding and environment setup, I use Claude AI for structuring layouts and config, but all code is reviewed by hand. Security measures like soft-deletes, role separation, and immutable logging will be built in from the start. One thing I'd suggest is adding automated schema validation into CI, so migrations never introduce regressions. I'm focused on building my reputation with successful, on-spec delivery and would value the chance to earn a strong review. I'm available to start as soon as you share the NDA and project details. Best regards, Pham Van Huy

@krisk63

Hi, this is Kris from McKinney, Texas, I've reviewed your project requirements and understand that you are looking for an experienced AI/ML full-stack engineer based in Australia to build the foundation and secure infrastructure for a new consumer web application. The key challenges include setting up secure environments, designing a robust relational schema, implementing secure registration and consent processes, and ensuring strict data segregation. My approach involves provisioning production and staging Supabase environments, designing a scalable relational schema, implementing secure authentication and session handling, and enforcing strict data privacy measures. I will ensure all data access is routed through a central Data Access Layer to maintain security and integrity. A few additional questions: Q1: Are there any specific security protocols or compliance standards that need to be followed? Q2: Will there be any third-party integrations required for this project? Q3: How do you envision the scalability of the application as user base grows? Best regards, Kris Kramer

@sonika1419

**DO NOT PAY ME UNTIL I COMPLETE! :)** Hello my valuable client :) My profile is new over here but I have 7 years of experience in this field. I have completely understood about your project. Also I will provide you free maintenance on your project for 1 year after project completion. I can definitely complete this in your timeframe. Give me one chance to prove myself. Hit the chat button to get started. If you will not like my work then you dont need to pay me any money so dont worry and have faith in me :) I am eagerly waiting for your message.

@umer419

I am a senior full stack engineer based in Sydney with over eight years of experience building secure, scalable applications using React, Next. js, and TypeScript. I specialize in designing robust data architectures and integrating AI models into production environments. My background includes architecting high performance PHP backends and developing cross platform mobile solutions that prioritize data integrity and security. For the Secure App Foundation and Data Architecture project, I will implement a clean, typesafe codebase and an optimized database schema tailored for seamless machine learning integration. I am an independent contractor ready to start immediately within your Australia based requirement.

@hugog17

⭐ Hi there ! Read ur milestone 1 carefully Main work is not just Next js pages It is secure app foundation with Supabase RLS auth db design consent log and clean DAL That part is clear Can build prod and staging Supabase setup in AU region Core schema can support org users roles soft delete multi tenancy and future AI agent workflow Auth flow will cover signup email verify login session reset and append only consent log with IP policy version timestamp For privacy side personal data should stay in separate vault with opaque key only No direct client db query No service key bypass from frontend All changes can be delivered as clean PR with migrations and handover notes One honest note upfront The AU ABN rule is strict so pls confirm this before NDA step Timeline : 25 days Total Budget : 1500 AUD

@MetawebLaya

Hi, this is Laya Hayat, Im located in Berkeley, US. I can surely assist you in building a secure foundation and data architecture for your Australian startup's consumer web application. Quick Questions Have you already defined the specific acceptance criteria for Milestone 1? Do you have any specific requirements for the design of the core relational schema? Would you prefer the registration and login processes to be integrated with any specific third-party services? I've worked on similar projects involving secure data handling, robust authentication systems, and scalable database architectures. I'll share the most relevant and magical portfolio over a chat. How about a quick virtual coffee and a friendly chat? I can map out your vision and start building something amazing together. Thanks, Laya

@TarimShayan

I am an independent full stack developer based in Sydney and would love to help you build the Secure App Foundation and Data Architecture for your project. With over eight years of experience across the stack, I specialize in building scalable web and mobile applications using React. js, Next. js, and TypeScript. I have substantial experience in database design and PHP, ensuring that data architecture is both performant and secure. My recent work includes integrating AI and Machine Learning models into production environments, which aligns perfectly with your requirements. I am comfortable working within your 1500 to 3000 AUD budget and can start immediately to establish a robust foundation for your application.

@nataliyabest1

Hi there, You're looking for a secure, future-proof foundation for your consumer web app, with Supabase environments in the Australian region, a robust relational schema built for scale and multi-tenancy, and strict privacy controls. I can provision both production and staging environments, handle schema and migration setup as code, and confirm encryption at rest, TLS, and private-by-default storage. For the consent system, I'll deliver append-only logging with all required audit fields, and for data segregation, I'll architect the vault and opaque key system to enforce pseudonymisation and prevent direct linkage to personal data. I'm based in Australia and hold an active ABN, so I meet your location requirement and will perform all work locally. Sensitive elements like user identity vaults need careful threat modeling at this stage, not just technical implementation. If you shortlist me, I'm happy to sign an NDA before reviewing full product details. I'm motivated to build my reputation on Freelancer and would value earning a strong review for on-spec delivery. I can start as soon as you need. Would you like an architecture diagram included as part of the milestone handover? Best regards, Nataliya H.

@clintonv2

OVERWHELMED With all the Ai Generated proposals. Give me a few seconds to show you why i am different. I've built web platforms for service businesses. I'm Australia based, I have an ABN and will provision Australian Supabase environments, implement row level security, isolate personal data behind opaque keys, and deliver a reviewable PR for a central Data Access Layer so no client bypasses RLS. i would love to chat about your project, the worst that can happen is you walk away with a free consultation Regards, Clinton.