{"id":3026981,"url":"https://alion.io/job/seon-senior-wordpress-developer","title":"Senior WordPress Developer","company":{"id":6035,"name":"SEON","domain":"seon.io","url":"https://alion.io/company/seon","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":112000,"max_usd":214000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":279},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"BrowserStack","optional":false},{"name":"CI/CD","optional":false},{"name":"Cloudflare","optional":false},{"name":"DNS","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"MySQL","optional":false},{"name":"PHP","optional":false},{"name":"React.js","optional":false},{"name":"Sass","optional":false},{"name":"WordPress","optional":false}],"status":"closed","first_seen_at":"2026-10-21T14:33:41Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-22T16:53:10Z","board_verified":false,"closed_at":"2026-10-22T16:53:10Z","days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"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.\nAbout the role\nWe'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.\nLocation: US East Coast or Austin, TX\nWHAT YOU'LL DO:\nBuild and maintain custom Gutenberg blocks, patterns and page templates, extending the block editor so content can scale without developer involvement\n\nOwn the custom SEON theme and plugin codebase: maintenance, refactoring, documentation and paying down technical debt\n\nOwn the build pipeline and releases: Git workflow, staging, deployments to WP Engine, and rollback when something goes wrong\n\nOwn site security: hardening, vulnerability monitoring, plugin and theme updates, and incident response\n\nOwn site performance: Core Web Vitals, edge and object caching, and page speed\n\nPlan and deliver platform upgrades (WordPress core, PHP, MySQL) with full compatibility testing across the multisite network\n\nMake sure every change works across all three locales (EN, ES, PT-BR), including multilingual and hreflang behaviour\n\nMaintain the site's integrations, including forms and CRM, analytics and tag management, and cookie consent\n\nImplement technical SEO and accessibility with the SEO team: schema, crawlability and indexation, and WCAG 2.2 AA compliance\n\nSet and uphold engineering standards: code review, coding conventions, monitoring, backups and recovery testing\n\nScope and estimate requests from marketing and design, and give technical direction to agencies or freelancers when they're used\n\nRun cross-browser and cross-device testing before every release, using tools such as BrowserStack, and include visual regression checks on key templates\n\nWHAT YOU'll BRING:\nStrong 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\n\nExcellent 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\n\nAbility to confidently troubleshoot and extend WordPress without relying on third-party plugins for everything\n\nModern 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\n\nDevelopment workflow and testing experience, including Git, code review, staging environments, automated builds, CI/CD pipelines and structured deployment practices\n\nUnderstanding of unit, integration and end-to-end testing and how to release changes safely\n\nPerformance, 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\n\nExperience working with WordPress multisite, multilingual websites or similarly complex architectures, with an understanding of technical SEO, accessibility, compatibility testing and safe platform upgrades\n\nA 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\n\nAMAZING IF YOU ALSO HAVE:\nExperience managing production websites on WP Engine, including staging, environment management, caching, Global Edge Security and deployment workflows\n\nExperience with HubSpot, GA4, Google Tag Manager, Consent Mode v2, cookie consent platforms and complex form integrations, particularly where accurate lead attribution matters\n\nExperience implementing A/B tests, personalisation, conversion-focused templates or experimentation platforms such as VWO or GrowthBook\n\nFamiliarity with MultilingualPress or equivalent multilingual solutions, particularly within WordPress multisite environments\n\nPrevious experience maintaining a high-performing B2B SaaS or enterprise marketing website where technical reliability, SEO, analytics accuracy and lead generation are critical\n\nFamiliarity with DNS, CDNs, WAFs, Cloudflare, server logs, security scanning, API troubleshooting and third-party script governance\n\nSEON Technologies collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant see the privacy notice for further details.\nSEON 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. 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