Senior Software Engineer

This role is for one of the Weekday's clients

Salary range: Rs 65000000 - Rs 75000000 (ie INR 650 - 750 LPA)

Min Experience: 6+ years

Location: United Kingdom
JobType: full-time

We 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.

• Design, develop, and maintain enterprise-grade eCommerce applications using Shopify Plus, Adobe Commerce, and Magento.
• Build scalable, secure, and high-performance storefronts, backend services, and custom modules.
• Develop custom themes, plugins, extensions, and APIs to meet evolving business requirements.
• Integrate payment gateways, ERP, CRM, inventory management systems, shipping providers, and other third-party services.
• Optimize website performance, page speed, SEO, accessibility, and overall user experience.
• Collaborate with product managers, designers, and stakeholders to translate business requirements into technical solutions.
• Troubleshoot production issues, perform root cause analysis, and implement long-term fixes.
• Review code, enforce engineering best practices, and mentor junior developers through technical guidance.
• Participate in architecture discussions and recommend scalable technology solutions for future growth.
• Ensure applications follow security standards, coding guidelines, and industry best practices.
• Contribute to CI/CD pipelines, deployment automation, and release management activities.
• Stay up to date with emerging eCommerce technologies, platform updates, and development frameworks.

• Strong hands-on experience with Shopify Plus development, customization, and platform administration.
• Extensive experience developing and maintaining applications on Adobe Commerce (Magento Commerce).
• Deep expertise in Magento architecture, custom module development, themes, and extensions.
• Strong understanding of REST APIs, GraphQL APIs, and third-party integrations.
• Experience implementing payment gateways, shipping integrations, tax solutions, and inventory systems.
• Strong knowledge of object-oriented programming principles and software design patterns.
• Experience with Git, version control, CI/CD pipelines, and Agile development methodologies.
• Ability to optimize application performance, scalability, and security.
• Excellent debugging, analytical, and problem-solving skills.

• Strong proficiency in HTML.
• Good knowledge of JavaScript and modern front-end development concepts.
• Experience working with responsive web design and cross-browser compatibility.
• Familiarity with cloud platforms and containerized deployments.
• Knowledge of SEO best practices for eCommerce platforms.
• Experience with performance monitoring and analytics tools.

• Bachelor's or Master's degree in Computer Science, Information Technology, Software Engineering, or a related field.
• 6–9 years of professional software development experience with significant exposure to enterprise eCommerce platforms.
• Proven experience delivering large-scale Shopify Plus and Adobe Commerce implementations.
• Strong understanding of software architecture, design principles, and scalable application development.
• Excellent communication and collaboration skills with the ability to work across distributed teams.
• Self-driven, detail-oriented, and capable of managing multiple technical priorities in a fast-paced environment.

• Experience leading technical projects and mentoring engineering teams.
• Passion for building exceptional digital commerce experiences.
• Strong ownership mindset with a focus on quality, performance, and customer satisfaction.
• Ability to evaluate new technologies and recommend improvements to existing systems.
• Experience working in Agile/Scrum environments with cross-functional product teams.