Principal Software Engineer - i18n

Anaplan
Manchester, United KingdomPosted 16 January 2026

Job Description

<div class="content-intro"><p>At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market.</p> <p>What unites Anaplanners across teams and geographies is our collective commitment to our customers’ success and to our Winning Culture.</p> <p style="padding-left: 40px;">Our customers rank among the who’s who in the Fortune 50. Coca-Cola, LinkedIn, Adobe, LVMH and Bayer are just a few of the 2,400+ global companies who rely on our best-in-class platform.</p> <p style="padding-left: 40px;">Our Winning Culture is the engine that drives our teams of innovators. We champion diversity of thought and ideas, we behave like leaders regardless of title, we are committed to achieving ambitious goals, and we love celebrating<em> </em>our wins – big and small.</p> <p>Supported by operating principles of being strategy-led, <a href="https://www.anaplan.com/careers/">values</a>-based and disciplined in execution, you’ll be inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and let’s build what’s next - together!</p></div><p><br>Anaplan is looking for a Principal Software Engineer to be the technical leader for this critical initiative within our Experience Engineering workstream. You will define the long-term technical vision and architectural roadmap for adapting our platform for a global audience. This is a unique opportunity to own the strategy for internationalization (i18n) and localization (l10n) at scale for our award-winning planning technology. As Anaplan continues its strong growth in a competitive global market, delivering a world-class, localized experience is a key strategic priority, and you will be at the helm of the technical solution.</p> <p><br>We are looking for a visionary and deeply technical leader who can navigate ambiguity, influence across the organization, and set the standard for engineering excellence.</p> <p><br><strong>Your Impact</strong><br>•      Define the long-term technical vision and architectural roadmap for Anaplan's internationalization platform and infrastructure.<br>•      Lead the design and implementation of highly scalable, resilient systems for continuous localization, serving as the lead engineer and technical mentor.<br>•      Partner with engineering leadership and product management to shape the strategy for global readiness across all new features and products.<br>•      Solve the most complex technical challenges related to localization, anticipating future needs and ensuring architectural longevity.<br>•      Act as a force multiplier, mentoring senior engineers and driving technical excellence and best practices across multiple teams.<br>•      Directly enhance the experience for our global customers, making our platform more intuitive, accessible, and powerful for users in their native language.</p> <p><br><strong>Your Skills</strong><br>•      Demonstrated ability to lead large-scale technical initiatives, from conception to delivery, and to make critical architectural decisions.<br>•      Understanding of i18n libraries and frameworks (e.g., i18next, ICU, react-intl.<br>•      Deep expertise in JavaScript (ES2015+), HTML, CSS, and modern front-end frameworks like React, preferably with TypeScript.<br>•      A collaborative mindset ... (truncated, view full listing at source)