Senior Software Engineer

This role is for one of the Weekday's clientsSalary range: Rs 65000000 - Rs 75000000 (ie INR 650 - 750 LPA)Min Experience: 6+ yearsLocation: United KingdomJobType: full-timeWe are looking for an experienced Senior Software Engineer with strong expertise in enterprise eCommerce development and platform engineering. The ideal candidate will have hands-on experience working with Shopify Plus, Adobe Commerce, and Magento, delivering scalable, high-performing, and customer-centric online shopping experiences. You will collaborate closely with cross-functional teams including Product, Design, QA, and DevOps to architect, develop, and optimize eCommerce solutions that support business growth and exceptional customer experiences.This role requires a deep understanding of modern eCommerce architectures, customization, third-party integrations, performance optimization, and best software engineering practices. You should be comfortable leading technical initiatives, mentoring junior developers, and driving continuous improvements across development processes.RequirementsRequirementsKey ResponsibilitiesDesign, develop, and maintain enterprise-grade eCommerce applications using Shopify Plus, Adobe Commerce, and MagentoBuild scalable, secure, and high-performance storefronts, backend services, and custom modulesDevelop custom themes, plugins, extensions, and APIs to meet evolving business requirementsIntegrate payment gateways, ERP, CRM, inventory management systems, shipping providers, and other third-party servicesOptimize website performance, page speed, SEO, accessibility, and overall user experienceCollaborate with product managers, designers, and stakeholders to translate business requirements into technical solutionsTroubleshoot production issues, perform root cause analysis, and implement long-term fixesReview code, enforce engineering best practices, and mentor junior developers through technical guidanceParticipate in architecture discussions and recommend scalable technology solutions for future growthEnsure applications follow security standards, coding guidelines, and industry best practicesContribute to CI/CD pipelines, deployment automation, and release management activitiesStay up to date with emerging eCommerce technologies, platform updates, and development frameworksMust-have SkillsStrong hands-on experience with Shopify Plus development, customization, and platform administrationExtensive experience developing and maintaining applications on Adobe Commerce (Magento Commerce)Deep expertise in Magento architecture, custom module development, themes, and extensionsStrong understanding of REST APIs, GraphQL APIs, and third-party integrationsExperience implementing payment gateways, shipping integrations, tax solutions, and inventory systemsStrong knowledge of object-oriented programming principles and software design patternsExperience with Git, version control, CI/CD pipelines, and Agile development methodologiesAbility to optimize application performance, scalability, and securityExcellent debugging, analytical, and problem-solving skillsGood-to-have SkillsStrong proficiency in HTMLGood knowledge of JavaScript and modern front-end development conceptsExperience working with responsive web design and cross-browser compatibilityFamiliarity with cloud platforms and containerized deploymentsKnowledge of SEO best practices for eCommerce platformsExperience with performance monitoring and analytics toolsQualificationsBachelor's or Master's degree in Computer Science, Information Technology, Software Engineering, or a related field6-9 years of professional software development experience with significant exposure to enterprise eCommerce platformsProven experience delivering large-scale Shopify Plus and Adobe Commerce implementationsStrong understanding of software architecture, design principles, and scalable application developmentExcellent communication and collaboration skills with the ability to work across distributed teamsSelf-driven, detail-oriented, and capable of managing multiple technical priorities in a fast-paced environmentPreferred AttributesExperience leading technical projects and mentoring engineering teamsPassion for building exceptional digital commerce experiencesStrong ownership mindset with a focus on quality, performance, and customer satisfactionAbility to evaluate new technologies and recommend improvements to existing systemsExperience working in Agile/Scrum environments with cross-functional product teams