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I’m building a new banking platform focused on rock-solid account management and bulletproof secure transactions. The application must scale smoothly from pilot phase to full production, handle thousands of concurrent users without a hitch, and pass the kind of security scrutiny a regulated financial institution expects. Scope of work The core modules include account opening, balance and statement views, real-time transaction history, pay-in/pay-out processing, and role-based admin dashboards. Seamless secure transaction flows are non-negotiable; every transfer, balance update, or statement request has to be atomic, auditable, and tamper-proof. While secure transactions top the list, I’m happy to integrate any additional layers you recommend—be it two-factor prompts, data-at-rest encryption, or token-based session hardening—so long as they don’t compromise usability. Technology environment Choose the stack you know you can harden and scale—Java/Spring Boot, .NET Core, Node.js with TypeScript, or a comparable enterprise-grade framework. Containerisation (Docker, Kubernetes), automated CI/CD, RESTful or gRPC APIs, and a relational database with ACID guarantees (PostgreSQL, Oracle, or similar) are expected. Cloud deployment on AWS or Azure is preferred, but an on-prem option can be discussed if it better supports compliance. Deliverables • MVP with fully functional account management and secure transaction workflows • Source code in a private Git repo, structured for microservice expansion • Infrastructure-as-code scripts (Terraform or CloudFormation) for repeatable environments • Unit, integration, and security test suites with ≥90 % coverage • Deployment guide and developer documentation that let any competent engineer spin the system up in under 30 minutes • Final handover demo proving transaction integrity under load Acceptance criteria 1. All transactions roll back cleanly on failure and leave no partial writes. 2. OWASP Top-10 penetration tests return zero critical findings. 3. Load test: 2,000 simultaneous users, <250 ms average response on balance queries. 4. Codebase passes static analysis with no high-priority issues. 5. Documentation is complete, clear, and version-controlled alongside the code. Once these boxes are checked, the project is done—though I expect the architecture to be robust enough for future add-ons like loan processing or a mobile front-end. If this challenge fits your wheelhouse, let’s get started.
Project ID: 40191067
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Active 2 mos ago
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38 freelancers are bidding on average ₹62,462 INR for this job

Hello, I understand this is core banking infrastructure, not a lightweight MVP. The priority is absolute transaction integrity, auditability, and security that can stand up to regulatory scrutiny while scaling smoothly from pilot to full production. I’ll build the platform around atomic, rollback-safe transactions, clear audit trails, and strict role-based controls for account management, balances, statements, and pay-in/pay-out flows. The system will be structured so it handles high concurrency without data inconsistency and remains extensible for future features like lending or mobile access. Security will be built in from the start, without sacrificing usability. You’ll receive a production-ready system, cleanly structured and well documented, with verified transaction behavior under load and a clear handover so your team can operate and extend it confidently. Thanks, Sagar P.
₹56,250 INR in 7 days
6.8
6.8

I’ve built secure banking platforms before and can deliver this robust system quickly while ensuring top-notch security compliance. Your focus on bulletproof transactions aligns perfectly with my 6+ years of experience in developing scalable financial applications. To kick this off, I'd love to clarify a few details: ? What specific security features do you prioritize beyond the OWASP guidelines? ? Do you have a preferred cloud provider, or are you open to recommendations? ? Will you provide design assets, or should I create them from scratch? My approach guarantees atomic, auditable transactions with seamless user experience. Let’s connect — just click the chat button, and let’s get your work done quickly. I’m ready and waiting for your message.
₹50,000 INR in 15 days
5.5
5.5

As a seasoned developer with over 14 years of experience, I've perfected the art of building secure and scalable applications. My expertise in .NET Core and Node.js collaborations aligns perfectly with your project requirements. I have a solid understanding of the banking industry and its stringent security demands, which enables me to develop solutions that stand up to scrutiny. Security is always a top priority in my work, and I'm familiar with all the best practices, from two-factor authentication to data encryption. My proficiency extends beyond just writing code; I amplify your project's security by writing unit, integration, and security test suits with meticulous coverage. Having solid experience deploying on cloud-based platforms like AWS and Azure, I can provide you with insights on the benefits and complexities of both models for your infrastructure management decisions. My track record complements high-stakes projects like yours. I have delivered solutions that return zero-critical findings on OWASP penetration tests, roll back transactions seamlessly on failure to ensure no partial writes remain, and that sustain exceptional performance even under high load. I encompass the full stack spectrum you require - from architecture design to completing deployment guides. Partner with me for this banking platform, and I will bring my skillset into play to deliver an MVP characterized by maximum security standards while ensuring ease of usability
₹56,250 INR in 7 days
5.2
5.2

I'll design and develop a robust banking platform with rock-solid account management and secure transactions, using a scalable technology stack such as Java/Spring Boot or Node.js with TypeScript, and deliver a fully functional MVP with secure transaction workflows, source code, and documentation, adapting to the proposed budget and ensuring the application meets the required security and performance standards. Waiting for your response in chat! Best Regards.
₹56,708 INR in 3 days
4.6
4.6

Hi, I’ve thoroughly reviewed your project for a secure account management banking platform, and I’m confident I can deliver a robust, scalable solution meeting your stringent security requirements. With extensive experience in Java, .NET Core, and Node.js, I specialize in building enterprise-grade applications with rock-solid secure transactions and seamless user experiences. I will ensure atomic, auditable, and tamper-proof transaction flows, integrating advanced security layers like two-factor authentication, encryption, and token-based session management without compromising usability. I’m well-versed in containerization (Docker, Kubernetes), CI/CD, and cloud platforms (AWS, Azure), ensuring your system scales from pilot to full production smoothly. I commit to delivering a comprehensive MVP, with full test coverage, infrastructure-as-code, detailed documentation, and load-tested performance. Let’s discuss timelines and get started right away. Could you clarify the preferred compliance standards or certifications the platform should meet? Best regards, Roshan
₹68,000 INR in 12 days
3.0
3.0

Hello, I see you’re looking to build a secure and scalable banking platform with robust account management and transaction workflows. I have extensive experience in developing high-performance financial applications, particularly using Java/Spring Boot and containerization technologies like Docker and Kubernetes. My background ensures that I can deliver a secure and compliant solution tailored to your needs. Here's how I would approach your project: - Design a microservices architecture that focuses on security and scalability, ensuring smooth transitions from pilot to full production. - Implement secure transaction flows with strong auditing capabilities and additional security layers as needed, without compromising user experience. - Set up automated CI/CD pipelines for efficient deployment and testing, ensuring all code meets your acceptance criteria. - Conduct thorough load testing to validate performance under high-user scenarios while maintaining a solid security posture. Could you clarify if you have a preferred cloud provider for deployment, or are you open to discussing the best fit for your compliance requirements? I’m ready to dive into this project and help you build a robust banking solution.
₹37,500 INR in 7 days
3.1
3.1

As a seasoned developer with several years of experience, I have developed a strong set of skills that align closely with your project requirements. I have an intimate understanding of Node.js, which is an excellent choice for building scalable and secure applications. In addition to being proficient in Node.js, I am also well-versed in other relevant technologies such as Docker, relational databases like PostgreSQL, and cloud deployment on AWS or Azure. Over the course of my career, I've completed numerous similar projects involving financial services, including critical tasks such as account management and secure transactions. I am keenly aware of the importance of security in the banking industry and consistently ensure thorough testing and compliance to ensure robustness. Throughout my work process, documentation has always been a priority for me. I intend to provide detailed developer documentation along with clean source codes to make the system not only easy to navigate but also simple for any competent engineer to spin up rapidly
₹75,000 INR in 90 days
2.1
2.1

Hello, Thank you for the detailed brief—this is exactly the kind of security-critical, scalability-focused platform I specialise in. I have strong experience building enterprise-grade financial systems with strict transactional integrity, auditability, and regulatory-level security. For this platform, I would propose a microservice-oriented architecture using an ACID-compliant relational database, strong transactional boundaries, and defense-in-depth security controls. High-level approach: Backend stack: Node.js with TypeScript + NestJS or Java Spring Boot (happy to align with your preference) Transactions: Database-level atomicity, idempotent APIs, distributed locking where required, full audit trails Security: JWT + refresh tokens, RBAC, encryption at rest and in transit, optional MFA, OWASP hardening Infrastructure: Docker + Kubernetes, IaC via Terraform, CI/CD with automated tests and security scans Cloud: AWS or Azure with compliance-ready services Testing: Unit, integration, load, and security testing targeting your ≥90% coverage requirement I’m confident in meeting all stated acceptance criteria, including rollback safety, OWASP Top-10 compliance, and performance under concurrent load. The architecture will be future-proofed for extensions such as lending modules or mobile clients. I’d be happy to discuss: Final stack selection MVP timeline and phased milestones Looking forward to taking this forward. Best regards, Raj M
₹37,500 INR in 7 days
2.2
2.2

I’m an experienced backend developer specializing in secure, scalable financial systems using ASP.NET Core and SQL Server/PostgreSQL. I design atomic, auditable transaction workflows, hardened APIs, and cloud-ready architectures. I can deliver a compliant MVP, load-tested, fully documented, and ready for regulated production use.
₹37,500 INR in 7 days
1.4
1.4

With more than a decade of experience as a developer, I'm confident that my skills and adeptness align perfectly with your secure account management banking software project. My strong expertise in .NET Core and ability to build scalable applications make me an excellent fit for your system. As a proficient DevOps engineer, I can also guarantee smooth CI/CD pipelines, which is crucial for the development and deployment of your banking platform. Moreover, my experience includes working with cloud deployment on AWS and Azure – a preferred choice for you, ensuring no further adjustments needed if you decide to proceed with the said clouds. My strong background in database optimization gives me an edge in maintaining the ACID guarantees required by your infrastructure. Lastly, my dedication to project execution and problem-solving can be major assets in delivering an MVP of your banking platform that exceeds all your expectations. Overall, I am offering you not just a developer but a partner who will commit to building a system that shines in both efficiency and security. Let's get started on this colossal endeavor!
₹37,500 INR in 7 days
1.4
1.4

Hello, I’m Ankur, a freelance developer with a dedicated team of professionals. I read all your requirements for website and I assure you that I will provide high-quality work at the proper time. Additionally, we also provide you 3 months of support from our side. As a Full Stack Developer, I specialize in Web and App Development, boasting a portfolio of stunning projects with top-notch UI/UX design. My expertise spans Flutter (for both Android and iOS), PHP, and WordPress, and I bring over 7 years of experience to the table. Whether it’s websites, applications, or e-commerce platforms, I’ve got you covered. But I’m not limited to just coding. My skill set extends to graphic design and logo creation, offering you a one-stop solution for all your project needs. With a track record of over 500 completed projects, I am committed to delivering nothing short of excellence. My ultimate goal is your complete satisfaction. Thank you for considering me for your project. I’m ready to transform your vision into a reality that stands out in today’s competitive landscape. Best Regards, Ankur Hardiya
₹56,250 INR in 7 days
0.2
0.2

Hi, I’d be excited to help you build a secure, scalable banking platform that meets the standards of a regulated financial institution. I have experience designing enterprise‑grade systems with Java/Spring Boot and .NET Core, containerized with Docker/Kubernetes, and backed by ACID‑compliant databases like PostgreSQL and Oracle. My focus is on bulletproof transaction integrity—atomic, auditable, and tamper‑proof flows—while keeping usability smooth with features like two‑factor authentication, encryption, and hardened session management. I’ll deliver a production‑ready MVP with account management, real‑time transaction history, pay‑in/pay‑out processing, and role‑based dashboards. The codebase will be structured for microservice expansion, with infrastructure‑as‑code scripts, CI/CD pipelines, and test suites achieving 90%+ coverage. I’ll also provide clear documentation and a handover demo proving transaction integrity under load. With my background in secure financial applications, I can ensure your platform passes OWASP Top‑10 penetration tests, scales to thousands of concurrent users, and is robust enough for future add‑ons like loan processing or mobile apps. Let’s get started and make this platform rock‑solid from day one. Best regards, Tamanna Rajput
₹65,000 INR in 15 days
0.4
0.4

"Hi, Hope you’re doing well! I’ve reviewed your requirements, and I have the exact expertise you’re looking for. With 8+ years of experience in mobile app development, I build high-quality, responsive, and user-friendly apps that deliver excellent performance and user experience. Here’s what I can deliver: 1. Custom Android and iOS app development 2. Cross-platform apps using React Native or Flutter 3. Backend development and API integration 4. UI/UX design for seamless user experience 5. Database integration and cloud connectivity 6. App performance optimization and fast loading 7. Push notifications, in-app messaging, and features as per requirements 8. Security measures and data protection 9. App store submission (Google Play & Apple App Store) 10. Testing, debugging, and ongoing support Why choose me: 1. 8+ years of professional experience in app development 2. Custom solutions tailored to your business needs 3. Pixel-perfect design and responsive layouts 4. Clear communication and regular progress updates 5. High-performance, scalable, and secure apps 6. Long-term support and maintenance I’d love to discuss your project in detail and provide a customized app development plan that meets your business goals. Thanks & Regards Babulal"
₹52,000 INR in 7 days
0.0
0.0

Hello, This project fits perfectly within my experience building secure, scalable, and production-grade systems. I have 2+ years of hands-on experience working with backend-heavy, transaction-critical applications, and I understand the expectations and scrutiny that come with financial platforms. I would propose an enterprise-grade architecture using Java Spring Boot or Node.js with TypeScript, backed by a relational ACID-compliant database (PostgreSQL). All transaction flows would be designed to be atomic, auditable, and rollback-safe, leveraging proper transaction isolation, idempotent APIs, and detailed audit logs. Security would be treated as a first-class concern, including JWT/OAuth2-based authentication, role-based access control, encryption at rest and in transit, optional 2FA, and OWASP Top-10 hardening. The system would be containerized with Docker, orchestrated for scale, and deployed on AWS or Azure with Infrastructure as Code (Terraform) and CI/CD pipelines. I prioritize clean architecture, testability (unit, integration, security), and clear documentation so the platform is future-ready for mobile apps or additional banking modules. I’m confident I can deliver a robust MVP that meets your acceptance criteria and stands up to real-world financial workloads. I’d be happy to discuss architecture choices and compliance needs in detail.
₹56,250 INR in 45 days
0.0
0.0

Hi, I’m Anil. I can build your banking account management and secure transaction MVP with an enterprise grade backend, strict ACID guarantees, and audit ready workflows. The focus will be atomic transactions, clean rollbacks, tamper evident logs, and a setup that scales from pilot to production with Docker, Kubernetes, and repeatable infrastructure. Do you want this MVP to integrate with any external payment rails in phase one, or should pay in pay out be simulated internally while the secure ledger and audit system is proven first Best regards Anil
₹55,000 INR in 20 days
0.0
0.0

Hello, I’ve reviewed your project and would be glad to assist you. I bring 6+ years of experience in web, mobile, Blockchain, and AI development, and I’ve worked on numerous projects across different industries and requirements. I have strong expertise in MEAN/MERN, Flutter, React Native, PHP, Laravel, Python, WordPress, Shopify, AI, and Blockchain, and I focus on delivering clean, scalable, and reliable solutions with clear and consistent communication throughout the project. I’d be happy to discuss your requirements and suggest the best approach. Best regards, Suman Joshi
₹56,250 INR in 7 days
0.0
0.0

Hello Just read your post and it seems you are looking for someone skilled in secure, scalable banking platforms with enterprise-grade transaction integrity. With my years of extensive experience and exceptional expertise in Java/Spring Boot, Node.js/TypeScript, microservices, ACID-compliant relational databases, CI/CD pipelines, containerisation, and rigorous security practices including OWASP compliance and load-tested transaction workflows, I am 100% confident that I can bring your vision of a rock-solid, scalable banking MVP to life in the shortest possible time. Let’s connect and see how great value I can add to your business. Best Regards Raka
₹56,000 INR in 10 days
0.0
0.0

Hi, we’re a backend team experienced in building enterprise-grade, secure financial platforms. We can deliver your banking system with robust account management, real-time transaction workflows, atomic operations, and role-based admin dashboards. Stack options include Java/Spring Boot, Node.js/TypeScript, or .NET Core with PostgreSQL, containerized via Docker/K8s, deployed on AWS or Azure. CI/CD, IaC, full test coverage, and OWASP-compliant security will be included. Let’s connect to discuss milestones, architecture, and compliance requirements.
₹40,000 INR in 7 days
0.0
0.0

Hello, I’m excited about this opportunity as it closely aligns with my experience building secure, high-performance, transaction-critical platforms. For banking systems, reliability, data integrity, and security are non-negotiable—and I design with that mindset from day one. You’re looking for a platform that supports real-time transactions with strict ACID guarantees, scales smoothly from MVP to production, meets regulatory-grade security standards, performs reliably under high concurrency, and is future-ready for features like loans or mobile apps. This is exactly the type of system I specialize in. Proposed Solution Java + Spring Boot backend (Node.js / .NET Core optional) PostgreSQL for strong transactional safety Modular, microservice-ready architecture REST APIs with gRPC for low-latency paths Key Focus Areas Atomic transactions with rollback and idempotent APIs Auditable, append-only transaction logs OAuth2 + JWT, RBAC, TLS, encrypted data at rest OWASP Top-10 protection with optional MFA Delivery Dockerized, Kubernetes-ready services (AWS/Azure) CI/CD pipelines and load testing MVP with accounts, balances, statements, pay-in/pay-out Secure private Git repo, IaC, ≥90% test coverage Complete documentation and final demo under load If you’re looking for someone who treats this like a real banking system—not just another web app—I’d be happy to discuss timelines and compliance needs. Best regards, Sainath Panpatte Backend / Platform Engineer
₹59,000 INR in 7 days
0.0
0.0

Hello, I am the founder of Sonar Infotech, a software services company focused on building secure and scalable financial platforms. We help startups and financial institutions move confidently from pilot stage to full-scale production with enterprise-grade security and reliability. Based on your project brief, we clearly understand the importance of rock-solid account management, atomic transactions, and audit-ready security for a regulated banking environment. Our team will deliver a secure banking platform covering: Account opening and lifecycle management Balance and statement views Real-time transaction history Pay-in and pay-out processing Role-based administrative dashboards Every transaction flow will be designed to be atomic, traceable, and tamper-resistant, with complete audit logging. From a business and risk perspective, our delivery will focus on: Strong role-based access control and token-based session security Two-factor authentication support Encryption for data in transit and at rest Centralized audit and monitoring for compliance readiness For technology, we propose an enterprise-ready stack using: .NET Core backend services REST / gRPC APIs
₹37,550 INR in 30 days
0.0
0.0

shiggaon, India
Member since Jan 30, 2026
€250-750 EUR
₹12500-37500 INR
$10-80 USD
$1500-3000 AUD
$250-750 USD
₹400-750 INR / hour
€2-6 EUR / hour
₹15000-20000 INR
₹37500-75000 INR
$10-30 USD
$10-100 USD
€12-18 EUR / hour
$30-250 USD
£20-250 GBP
$3000-5000 USD
$30-250 USD
$250-750 USD
$2-8 USD / hour
$250-750 USD
₹1250-2500 INR / hour