Website Backend Developer in Washington, District of Columbia at Population Services International

Website Backend Developer

Request for Applications

Indefinite Delivery/Indefinite Quantity (IDIQ) - Task Order Contract

Location: Global

Application Due Date: June 22nd; questions by June 18th (See below "How to Apply" for application details)

About This Opportunity

Viya Health is seeking applications from qualified backend web developers to establish an Indefinite Delivery / Indefinite Quantity (IDIQ) contract. Under this arrangement, Viya Health will issue Task Orders on an as-needed basis — scoped by project, functional area, or market (corporate or consumer) — rather than committing to a fixed project upfront.

Successful applicant(s) will be placed on a roster from which Task Orders may be issued. There is no guarantee of a minimum volume of work; Task Orders will be issued based on organizational need.

Our Tech Stack

Our websites are built on WordPress hosted on WP Engine. Applicants should be familiar with this environment. The full stack is outlined below.

• WPEngine — Managed WordPress hosting
• Fastly (via WPEngine) — CDN integration
• Let's Encrypt (via WPEngine) — SSL certificate management

• WordPress — Core CMS platform
• Elementor Pro — Visual page builder (plugin & cloud account)
• Hello Elementor Theme — Lightweight theme optimized for Elementor
• Meta Box — Custom fields, post types, and metadata

• WooCommerce — Core e-commerce platform
• WooCommerce Shipping — Shipping integration (extension)
• WooCommerce Tax — Automated tax calculations (extension)

• Yoco (South Africa) — Visa, Mastercard, Amex, Instant EFT
• PesaPal (Kenya) — M-Pesa, Airtel Money, Tigo Pesa, Visa, Mastercard, Amex, bank transfer
• PayPal — Secondary payment option (recommended)
• WooCommerce Payments / Stripe — Optional additional gateway

• 3CX — VoIP, voice, video, and live chat (plugin & account)
• 3CX Live Chat Widget — Real-time visitor chat embedded on website
• 3CX Click-to-Call Button — Direct customer calls via SIP link or 3CX app

• Jetpack — Firewall, malware scanning, performance tools
• Imagify — Image compression and optimization
• EverCache — Server-level caching

• Slim SEO — SEO optimization plugin
• Google for WooCommerce — Product listings across Google's network
• Pinterest for WooCommerce — Product pinning, conversion tracking, Pinterest ads

• Google Site Kit — GA4, Search Console, PageSpeed Insights
• Google Tag Manager — Tag-based tracking management
• Facebook Pixel — Ad and remarketing tracking

• Mailchimp for WooCommerce — Email marketing integration
• HubSpot WordPress Plugin — CRM and marketing automation (recommended)
• Elementor Forms — Contact and lead capture forms

• WPEngine Staging — One-click staging environment
• SFTP / Git (via WPEngine) — Code deployments and version control
• WPEngine Automated Backups — Daily backups included in hosting plan

• Ally — Web accessibility and usability compliance

What You'll Work On

Task Orders will be issued across our corporate and consumer-facing sites and may include any of the following:

• WordPress theme and plugin development, customization, and troubleshooting
• WooCommerce configuration, extensions, and payment gateway integrations
• Custom post types, fields, and data structures via Meta Box
• Third-party integrations — including 3CX, Mailchimp, HubSpot, Google, and payment providers. This may also include integrations with WhatsApp or Contentful CMS.
• Performance tuning: caching (EverCache), image optimization (Imagify), and CDN configuration (Fastly)
• Security monitoring, firewall configuration, and vulnerability remediation (Jetpack, WPEngine)
• Analytics and tracking setup via Google Tag Manager, GA4, and Facebook Pixel
• Staging, deployment, and Git-based workflows via WPEngine, or possibly Next.js
• Accessibility compliance support in coordination with Ally tooling

Each Task Order will define the specific scope, timeline, deliverables, and compensation. All website development and products become the sole property of Viya Health upon payment.

Who We're Looking For

We're looking for an independent developer or small firm with deep WordPress and WooCommerce experience, along with strong Next.js/React experience. Generalist backend skills are a plus, but platform-specific expertise is the priority.

Required

• 3+ years of professional WordPress backend development experience
• Strong WooCommerce expertise: extensions, webhooks, custom payment gateway integration, and order workflow management
• Proficiency with PHP and the WordPress plugin/theme development ecosystem
• Experience with WPEngine or similar managed WordPress hosting (staging, SFTP, Git deployments)
• Familiarity with Elementor Pro and Meta Box for custom content architecture
• Experience integrating third-party APIs and webhooks within the WordPress environment
• Working knowledge of MySQL and WordPress database structure
• Comfort with Git-based workflows and basic command-line tools

Preferred

• Experience with African payment gateways (Yoco, PesaPal) or similar regional providers
• Familiarity with 3CX plugin configuration and VoIP/chat website integrations
• Google Tag Manager, GA4, and Facebook Pixel implementation experience
• Knowledge of web performance optimization: caching layers, image compression, CDN configuration
• Accessibility compliance experience (WCAG 2.1 or similar standards)
• Prior experience under IDIQ, T&M, or similar contract vehicles

How to Apply

Interested applicants should submit the following to info@viyahealth.com by 22 June 2026:

• A brief cover letter (1 page or less) describing your relevant experience
• Resume or CV highlighting relevant backend and platform experience
• 2–3 work samples or portfolio links — WordPress/WooCommerce projects preferred; code repositories welcome
• Proposed hourly rate or rate range

Questions may be submitted to Briana Shea (bshea@viyahealth.com) by 18 June 2026. All substantive responses will be shared with all applicants.

Viya Health reserves the right to award to one or more applicants, or to cancel this RFA without award, at its sole discretion.

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