--- title: 'Senior WordPress Developer at Seon' canonical: 'https://feeny.ai/job/senior-wordpress-developer-seon-united-states-kfee77x5ps24' type: 'job' last_seen: '2026-11-08' --- # Senior WordPress Developer at Seon - **Company:** Seon - **Location:** United States - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-11-04 - **Last confirmed live:** 2026-11-08 - **Apply:** https://jobs.ashbyhq.com/seon/1cbee89a-f41c-4f7b-a573-552d8f05013f ## Job description SEON is the command center for fraud prevention and AML compliance, helping thousands of companies worldwide stop fraud, reduce risk and protect revenue. Powered by 900+ real-time, first-party data signals, SEON enriches customer profiles, flags suspicious behavior and streamlines compliance workflows - all from one place. SEON provides richer data, more flexible and transparent analysis, and faster time to value than any other provider on the market. We’ve helped companies reduce fraud by 95% and achieve 32x ROI, and we’re growing fast, thanks to our partnerships with some of the world’s most ambitious digital brands like Revolut, Wise, and Bilt. ## About the role We're looking for a WordPress Developer to take technical ownership of SEON's global website and help us build a faster, more scalable and reliable web platform. You'll be responsible for everything from developing custom Gutenberg blocks and maintaining our WordPress architecture to managing deployments, security, performance and integrations. Working closely with our Website Manager, Marketing, Design and SEO teams, you'll turn business requirements into robust, reusable solutions that enable us to launch campaigns, experiment and scale without unnecessary developer dependencies. This is a hands-on engineering role with significant ownership and autonomy. We're looking for someone who doesn't just deliver tickets, but proactively identifies opportunities to improve the platform, challenges technical decisions when necessary and takes pride in building a website that performs as well behind the scenes as it does for our visitors. Location: US East Coast or Austin, TX ## WHAT YOU'LL DO: - Build and maintain custom Gutenberg blocks, patterns and page templates, extending the block editor so content can scale without developer involvement - Own the custom SEON theme and plugin codebase: maintenance, refactoring, documentation and paying down technical debt - Own the build pipeline and releases: Git workflow, staging, deployments to WP Engine, and rollback when something goes wrong - Own site security: hardening, vulnerability monitoring, plugin and theme updates, and incident response - Own site performance: Core Web Vitals, edge and object caching, and page speed - Plan and deliver platform upgrades (WordPress core, PHP, MySQL) with full compatibility testing across the multisite network - Make sure every change works across all three locales (EN, ES, PT-BR), including multilingual and hreflang behaviour - Maintain the site's integrations, including forms and CRM, analytics and tag management, and cookie consent - Implement technical SEO and accessibility with the SEO team: schema, crawlability and indexation, and WCAG 2.2 AA compliance - Set and uphold engineering standards: code review, coding conventions, monitoring, backups and recovery testing - Scope and estimate requests from marketing and design, and give technical direction to agencies or freelancers when they're used - Run cross-browser and cross-device testing before every release, using tools such as BrowserStack, and include visual regression checks on key templates ## WHAT YOU'll BRING: - Strong WordPress engineering experience, with extensive hands-on experience developing and maintaining custom, production-grade WordPress websites, ideally with 5+ years in a professional development environment and experience owning complex or multisite implementations - Excellent PHP and WordPress knowledge, including advanced PHP skills, a strong understanding of WordPress internals, hooks, APIs, custom themes, plugins, database structures, custom post types and WP-CLI - Ability to confidently troubleshoot and extend WordPress without relying on third-party plugins for everything - Modern front-end and Gutenberg expertise, including strong JavaScript (ES6+), React, HTML5 and CSS/SCSS skills, with proven experience building custom Gutenberg blocks, reusable components and responsive, accessible templates - Development workflow and testing experience, including Git, code review, staging environments, automated builds, CI/CD pipelines and structured deployment practices - Understanding of unit, integration and end-to-end testing and how to release changes safely - Performance, security and infrastructure knowledge, including Core Web Vitals, caching, CDNs, web security, vulnerability management, monitoring and the fundamentals of hosting and maintaining a business-critical website - Experience working with WordPress multisite, multilingual websites or similarly complex architectures, with an understanding of technical SEO, accessibility, compatibility testing and safe platform upgrades - A proactive, solutions-focused approach with the ability to independently investigate problems, prioritise technical improvements, translate business requirements into maintainable solutions and collaborate effectively with Marketing, Design and other stakeholders ## AMAZING IF YOU ALSO HAVE: - Experience managing production websites on WP Engine, including staging, environment management, caching, Global Edge Security and deployment workflows - Experience with HubSpot, GA4, Google Tag Manager, Consent Mode v2, cookie consent platforms and complex form integrations, particularly where accurate lead attribution matters - Experience implementing A/B tests, personalisation, conversion-focused templates or experimentation platforms such as VWO or GrowthBook - Familiarity with MultilingualPress or equivalent multilingual solutions, particularly within WordPress multisite environments - Previous experience maintaining a high-performing B2B SaaS or enterprise marketing website where technical reliability, SEO, analytics accuracy and lead generation are critical - Familiarity with DNS, CDNs, WAFs, Cloudflare, server logs, security scanning, API troubleshooting and third-party script governance SEON Technologies collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant see the [privacy notice](https://apply.workable.com/seon-technologies-1/gdpr_policy?lng=en) for further details. SEON is an equal opportunity employer. We strive to embrace what makes each one of us unique; we each have our own story. Whether looking at our current staff or future team members, we believe that everyone has something to contribute, and our employment practices reflect that. We do not make an employment decision based upon race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Please let your recruiter know if you need reasonable adjustments to our recruitment process. ## About Seon ## Company Overview - **One-liner**: SEON provides an AI-powered fraud prevention and AML compliance platform that uses over 900 real-time data signals to help businesses detect hidden threats, automate compliance, and deliver seamless customer experiences. - **Entity Type**: Private (Series C; $187mn total funding) - **Headquarters**: Budapest, Hungary (with offices in Austin, London, Jakarta, and Singapore) - **Founded**: 2017 - **Founders**: Tamás Kádár and Bence Jendruszák ## Core Business - **Primary industries**: Fraud prevention, AML compliance, identity verification, risk management - **Target customers**: B2B – fintech, payments, eCommerce, iGaming, and other online businesses - **Mission**: “Redefine global fraud prevention by safeguarding the entire customer journey, allowing businesses to operate confidently and stay ahead of evolving risks.” [seon.io/about-us](https://seon.io/about-us/) ## Products & Services - **AI Fraud Prevention Platform**: Real-time risk scoring using 900+ first-party signals, device intelligence, behavioral analysis, and customizable rules/ML models. Covers pre-onboarding, onboarding, payments, and post-login activity. (SaaS) - **AML Compliance Suite**: Automated AML screening, suspicious activity report (SAR/STR) generation, regulatory reporting, case management, and network analysis to detect money laundering rings. (SaaS) - **Identity Verification**: Document, selfie, and address verification enriched with fraud signals to accelerate onboarding of legitimate users. (SaaS) - **AI Tools & Automation**: AI rules builder, model tuning, score explainability, context-rich summaries, and AML screening agent that cross-validates hits. [seon.io](https://seon.io/) ## Market Standing - **Valuation/Market Cap**: Not publicly available - **Key Metric**: Total funding of $187mn (Series C led by Sixth Street); has prevented over $300bn in fraud and money laundering; serves 5,000+ businesses globally. - **Notable Investors/Partners**: Sixth Street (lead investor, Series C); global partner program launched in 2025. - **Growth Signals**: Grew from 200 to 300+ employees between 2024 and 2026; opened offices in London (2025) and Singapore (2026); launched identity verification and opened data layer to external AI tools (2026); daily transactions secured exceed 15 million. [seon.io/about-us](https://seon.io/about-us/) [linkedin.com](https://www.linkedin.com/company/seon-tech) ## Competitive Advantages - **Data breadth**: 900+ first-party real-time signals (device, IP, email, behavioral) that other tools miss. - **Speed of implementation**: Average 14 days from deployment to impact, with hands-on support. - **Transparent AI**: Every decision is explainable and auditable – users see which signals drove the risk score. - **End-to-end coverage**: Single platform covers fraud prevention, AML, identity verification, and regulatory reporting across the customer lifecycle. - **Flexible analysis**: Supports both rules-based and AI-driven approaches with full customisation. [seon.io](https://seon.io/) ## Strategic Focus - **AI-driven efficiency**: Cutting manual review time by up to 50% through automated case summaries, model tuning, and AI-generated regulatory reports. - **Global expansion**: New offices in APAC (Singapore) and EMEA (London) to serve a growing international customer base. - **Platform extensibility**: Opening data layer to third-party AI tools and building a partner ecosystem. - **Identity verification launch**: Expanding from fraud detection into identity assurance to cover the full onboarding journey. [seon.io/about-us](https://seon.io/about-us/) ## Why Work Here - **Culture**: “No hierarchy,” open communication, transparency, customer obsession, innovation, and ownership. [seon.io/careers](https://seon.io/careers/) - **Work policy**: Hybrid – encouraged to work from home a few days per week, with office collaboration the rest. - **Perks**: Flexible hours, private health insurance, enhanced parental leave, employee assistance & mental health support, ESOP (employee stock ownership plan), weekly language courses (40+ languages), learning & development budget. - **Team**: 300+ employees across the Americas, EMEA, and APAC; 120+ R&D engineers; strong emphasis on impact and autonomy. - **Growth**: Rapidly scaling company with clear career progression and exposure to cutting-edge AI/ML fraud-fighting technology. [seon.io/careers](https://seon.io/careers/) [apply.workable.com](https://apply.workable.com/seon-technologies-1/) ## Sources 1. [seon.io – Product overview](https://seon.io/) 2. [seon.io/careers – Careers & perks](https://seon.io/careers/) 3. [seon.io/about-us – Mission, milestones, team](https://seon.io/about-us/) 4. [linkedin.com – Company page](https://www.linkedin.com/company/seon-tech) 5. [apply.workable.com – Open positions (archived)](https://apply.workable.com/seon-technologies-1/) ## Other roles at Seon - [Senior Security Engineer](https://feeny.ai/job/senior-security-engineer-seon-europe-3ng7yrmh6prs) — Europe - [Senior AI & ML Engineer - AML Search Quality](https://feeny.ai/job/senior-ai-ml-engineer-aml-search-quality-seon-budapest-c8bmtqjxywe1) — Budapest, Hungary - [Senior Fraud Consultant (Spanish Speaking)](https://feeny.ai/job/senior-fraud-consultant-spanish-speaking-seon-austin-jj2hyr7b9jpm) — Austin, TX - [Implementation Consultant](https://feeny.ai/job/implementation-consultant-seon-budapest-94py6kh0bwss) — Budapest, Hungary - [Senior Motion Designer](https://feeny.ai/job/senior-motion-designer-seon-budapest-2sxts8wgjvrn) — Budapest, Hungary - [Senior Software Engineer (AML Team)](https://feeny.ai/job/senior-software-engineer-aml-team-seon-budapest-b98fs3qg9nt7) — Budapest, Hungary - [Software Engineer (AML Team)](https://feeny.ai/job/software-engineer-aml-team-seon-budapest-ctrjz6q71fcy) — Budapest, Hungary - [Workplace Operations Associate](https://feeny.ai/job/workplace-operations-associate-seon-london-qx6hgv3yqzef) — London, United Kingdom - [Staff Software Architect](https://feeny.ai/job/staff-software-architect-seon-budapest-28248f9xemnf) — Budapest, Hungary - [Senior FP&A Manager](https://feeny.ai/job/senior-fp-a-manager-seon-budapest-0stjw8yy9fbb) — Budapest, Hungary