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Senior Full-Stack PHP and React Developer

Dou Eu — Poland · Posted ~2 hours ago

Senior

Skills

PHP React WordPress API integration A/B testing Full-stack development Stripe Shopify REST APIs

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Summary ✨ AI‑Generated

We are looking for a senior full-stack developer experienced with PHP and React to help evolve a large e-commerce SaaS platform. You will build and experiment with landing pages and funnels, integrate payment services and external APIs, and gradually modernize an established web application.

Highlights

Work on a large SaaS platform in e-commerce, with ownership of customer-facing funnels, experimentation, payment integrations, and external API integrations in an international engineering environment.

Description

About The Company Digis is an international technology company, part of Fiverr (NYSE: FVRR), with 250+ specialists delivering high-load SaaS platforms, enterprise solutions, and cloud-native products for clients worldwide. We build long-term engineering teams and ensure transparency, stability, and professional growth for every talent. About The Project Large SaaS platform in the e-commerce domain that automates store operations for online sellers. The platform covers product importing, inventory and price synchronization, supplier integrations, order fulfillment automation, and marketplace management. Responsibilities Create new landing pages and test paid vs. free funnel modelsIntegrate payment flows, including Stripe, into new funnel experiencesDevelop and test alternative versions of existing flows for A/B testingIntegrate with Shopify and other external APIs used in the funnelSupport and extend the existing PHP/WordPress-based funnel when neededGradually migrate parts of the existing solution toward React and newer architecture Requirements 5+ years of general software development experience3+ years of hands-on experience with PHP3+ years of hands-on experience with ReactJSExperience with WordPressEnglish level: Upper-Intermediate or higher We Offer Competitive compensation packageLong-term cooperation and stabilityHybrid work model: 3 days per week in the Warsaw officeProven product with around 10 years of successful operationStrong company backing as part of the Fiverr GroupNew team built from scratch with room to shape its ways of workingBi-weekly engineering discussions on architecture, implementation, and knowledge sharingAI-powered development supported by the client, including Claude Code for coding, refactoring, PR reviews, and Jira/Confluence tasks When applying, please confirm that you are able to work in a hybrid format and visit our Warsaw office 3 times per week. If your experience is a strong match for this position, we’ll be happy to reach out to you to discuss the next steps.