
Full-Stack Developer to enhance our payment processing system
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Description
Experience Level: Expert
Full-Stack Developer to enhance our payment processing system , Job Responsibilities:
1. Balance and Payment Calculating System Development
- Redesign and implement a cloud-based balance calculator that allows for real-time updates and integrates with the Financial Disclosure Statement (FNC).
2. User Input System Creation
- Design a user-friendly interface for clients to fill out the FNC and view balance calculator options.
3. Payment Processing Integration
- Develop a backend system to generate payment detail forms based on user selections and incorporate electronic signature functionality.
4. API Integration
- Integrate payment gateway APIs to automate payment processing and ensure secure handling of payment information in compliance with PCI standards.
5. Recurring Payments Automation
- Implement a system for setting up and managing recurring payments with minimal administrative oversight.
6. Client Communication Automation
- Create automated email notifications for payment receipts, upcoming payment reminders, and declined payment alerts.
7. Daily Reporting System
- Develop a reporting feature to summarize daily transactions, including forms sent, signed, and payments made, ensuring reports are accessible and exportable.
8. Backend Management and Overrides
- Design a flexible backend system for easy updates and changes, including a manual override feature for payment approvals.
9. Quality Assurance
- Conduct thorough testing to ensure system functionality, usability, and security; address any bugs or issues.
Qualifications:
- Education: computer science, Software Engineering, or a related field.
- Experience:
- Proven experience in full-stack development.
- Familiarity with payment processing systems and APIs (e.g., Centz, Stripe, PayPal).
- Experience with cloud-based applications and database management.
- Technical Skills:
- Proficiency in programming languages such as JavaScript, Python, Ruby, or PHP.
- Familiarity with front-end frameworks (React, Angular, Vue.js).
- Experience with database management systems (SQL, NoSQL).
- Soft Skills:
- Strong problem-solving abilities and attention to detail.
- Excellent communication and collaboration skills.
- Ability to manage multiple tasks effectively.
Desired Attributes:
- Proactive approach to identifying and addressing issues.
- Flexibility to adapt to changing requirements.
- Commitment to delivering high-quality work.
1. Balance and Payment Calculating System Development
- Redesign and implement a cloud-based balance calculator that allows for real-time updates and integrates with the Financial Disclosure Statement (FNC).
2. User Input System Creation
- Design a user-friendly interface for clients to fill out the FNC and view balance calculator options.
3. Payment Processing Integration
- Develop a backend system to generate payment detail forms based on user selections and incorporate electronic signature functionality.
4. API Integration
- Integrate payment gateway APIs to automate payment processing and ensure secure handling of payment information in compliance with PCI standards.
5. Recurring Payments Automation
- Implement a system for setting up and managing recurring payments with minimal administrative oversight.
6. Client Communication Automation
- Create automated email notifications for payment receipts, upcoming payment reminders, and declined payment alerts.
7. Daily Reporting System
- Develop a reporting feature to summarize daily transactions, including forms sent, signed, and payments made, ensuring reports are accessible and exportable.
8. Backend Management and Overrides
- Design a flexible backend system for easy updates and changes, including a manual override feature for payment approvals.
9. Quality Assurance
- Conduct thorough testing to ensure system functionality, usability, and security; address any bugs or issues.
Qualifications:
- Education: computer science, Software Engineering, or a related field.
- Experience:
- Proven experience in full-stack development.
- Familiarity with payment processing systems and APIs (e.g., Centz, Stripe, PayPal).
- Experience with cloud-based applications and database management.
- Technical Skills:
- Proficiency in programming languages such as JavaScript, Python, Ruby, or PHP.
- Familiarity with front-end frameworks (React, Angular, Vue.js).
- Experience with database management systems (SQL, NoSQL).
- Soft Skills:
- Strong problem-solving abilities and attention to detail.
- Excellent communication and collaboration skills.
- Ability to manage multiple tasks effectively.
Desired Attributes:
- Proactive approach to identifying and addressing issues.
- Flexibility to adapt to changing requirements.
- Commitment to delivering high-quality work.

Projects Completed
2
Freelancers worked with
2
Projects awarded
67%
Last project
4 Oct 2025
United States
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Eddie
What is the name of your payment gateway and please share API documentation?Eddie N.19 Jun 2025Hello! We currently use Centz
TSOLUTIONS20 Jun 2025Hi
Pls can you share API documentation
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