WordPress Developer - Custom Calculators (Formidable Forms Integration)

Summary We are seeking a highly experienced WordPress developer with advanced proficiency in building interactive, data-driven calculators using the Formidable Forms plugin. The project scope involves the design, development, and deployment of six custom financial calculators housed within a single WordPress environment. These calculators will be embedded via iFrame on third-party platforms, including the Circle community platform and a Laravel + Vue website. The selected partner will be responsible for end-to-end implementation, including technical documentation, training for ongoing maintenance, and ensuring functional, aesthetic, and performance consistency across all calculators. ________________________________________ Project Scope and Deliverables Calculators to be developed: 1.Buy vs. Rent Calculator 2. Budget Calculator 3. Savings Calculator 4. Loan Calculator 5. Credit Card Calculator 6. Extra Payment Calculator Deliverables: • Development and deployment of six calculators using Formidable Forms within WordPress. • Implementation of iFrame embeds for: o All six calculators within the Circle platform. o Two calculators within a Laravel + Vue website. • Integration of the following user features: a. Option to print calculator results. b. Option to email results to the user. c. Integration of a referral form link for lead generation. d. Capture of user contact information when emailing results. • Delivery of technical documentation with full architectural and configuration details. • Conduct a maintenance and training session for internal technical personnel. • Execution of testing, user acceptance testing (UAT), and quality assurance (QA) prior to final delivery. Project Duration: 6–8 weeks Engagement Model: Fixed-price project Examples of Calculators for Reference and Inspiration Below are reference tools illustrating the target level of functionality, usability, and visual presentation expected for this project: Buy vs. Rent Calculators • Calculator.net Rent vs. Buy Calculator • NerdWallet Rent vs. Buy Calculator Budget Calculators • Calculator.net Budget Calculator • Mapping Your Future Budget Calculator Savings Calculators • Calculator.net Savings Calculator • Credit Karma Savings Calculator Loan Calculators • Calculator.net Loan Calculator • Credit Karma Simple Loan Calculator Credit Card Calculators • Calculator.net Credit Card Payoff Calculator • Credit Karma Credit Card Payoff Calculator Extra Payment Calculators • Calculator.net Mortgage Payoff Calculator • CalcXML Extra Payment Calculator These examples are provided to guide both functional design and user experience expectations, not as templates for duplication. ________________________________________ Required Skills and Expertise • Advanced proficiency with WordPress and the Formidable Forms plugin. • Strong knowledge of JavaScript, jQuery, HTML, and CSS for dynamic logic and front-end customization. • Demonstrated experience with iFrame embedding into third-party systems. • Familiarity with Laravel and Vue.js for cross-platform alignment. • Excellent understanding of financial formulas, conditional logic, and data processing for calculators. • Experience implementing lead capture and email integration workflows. Preferred Qualifications • Successfully delivered calculator or quiz-based projects involving complex mathematical logic. • Proven capability to build mobile-responsive, cross-browser-compatible, and highly accessible interfaces. • Strong documentation, code organization, and QA processes. • Excellent communication and project coordination skills across distributed teams. Responsiveness and Availability This project involves coordination across multiple time zones. The primary contact and internal project team are based on the U.S. East Coast (Eastern Time), while distributed teams are located in Ghana and Qatar. • Regular meetings and collaboration sessions will take place between 8:00 a.m. and 1:00 p.m. Eastern Time (EDT). • The selected developer or team must ensure consistent availability during this timeframe. • Urgent matters must be acknowledged and addressed during Eastern Time business hours. • All other inquiries should receive a response within 24 hours. This responsiveness standard is mandatory to align the development timeline with multiple stakeholder groups. ________________________________________ Selection Process The selection process will include the following phases: 1. Initial Proposal Review based on portfolio quality and demonstrated technical fit. 2. Q&A Phase for shortlisted candidates to address project-specific details. 3. Semi-Finalist Interviews with the hiring manager to assess technical and workflow alignment. 4. Finalist Interviews with internal team members to confirm cultural and communication fit. Candidates will be evaluated on a combination of criteria, such as technical expertise, communication discipline, responsiveness, and proven ability to deliver high-quality, scalable solutions. Specific Criteria to be evaluated: • Relevant experience developing calculators using Formidable Forms • Quality and clarity of examples provided in portfolio • Demonstrated understanding of project requirements and approach • Responsiveness, communication, and time zone alignment • Technical documentation, QA, and testing methodology • Proposed project timeline and cost competitiveness ________________________________________ Proposal Questions 1. Please provide links to previous projects where you built calculators or interactive forms involving formulas and real-time calculations. 2. Describe your approach to testing, UAT, and QA, including your project management methodology, team structure, and change management process. 3. Detail your experience working with Formidable Forms on WordPress and embedding calculators into third-party platforms via iFrames. Apply tot his job