PHP Developer (WordPress Engineer) (Remote)

Job Description:PHP Developer (candidates having experience in PHP, WordPress & WooCommerce should only apply and provide the details through the shared link)Company: Wisetr Technology Pvt. Ltd. ("FunnelKit is one of the brands of Wisetr Technology Pvt. Ltd.") Website: www(dot)funnelkit(dot)comLocation: (hybrid/ remote/ work from office at Tilak Nagar, Delhi)Experience: 5+ years + AI mindsetEducation: Engineering candidates should only apply with relevant experience with WordPress and WooCommerce plugin/ product development (not theme customisation)Working Days: 5 days - Monday – FridayAbout FunnelKitFunnelKit builds powerful no-code funnel and marketing automation products for WooCommerce businesses worldwide. Our mission is to help small businesses grow profitably by giving them the right tools to increase conversions and revenue—without unnecessary complexity.We are a product-first, customer-driven team that values ownership, simplicity, kindness, and excellence.Role OverviewThis role is ideal for someone who:Can lead development of our WordPress & WooCommerce product suite as a senior engineer who thinks beyond codeEnjoys solving real customer problemsHas worked on production-level WordPress plugins or SaaS productsTakes ownership of both development and troubleshootingYou'll drive architectural decisions, mentor team members, and shape products that impact thousands of businesses. We're looking for someone who combines deep technical expertise with product thinking—understanding not just how to build features, but why they matter to customers.You will work closely with Development, Product, QA, and Customer Success teams to build, improve, and support FunnelKit’s core products.Key Responsibilities1. Plugin Development & Product Feature DevelopmentBuild and maintain WordPress plugins to extend site functionality and improve user experienceOwn architecture decisions for complex features across multiple productsWork with the Product team to convert requirements into high-quality codeBuild custom solutions based on real customer use casesEnsure all features are properly tested and documented before releaseMentor mid-level and junior developers through code reviews and pairingLead initiatives that improve developer productivity and code qualityThink creatively about technical challenges—finding innovative solutionsDrive technical standards and best practices for the team2. WooCommerce Integration & WordPress HooksDevelop custom solutions and features specifically for WooCommerce stores using WordPress hooks.Utilize deep knowledge of WordPress hooks (actions & filters) to extend core functionality and integrate with other plugins. 3. Troubleshooting & Release StabilityMonitor product behavior after updates and releasesDebug complex cross-system issues and performance bottlenecksEnsure smooth upgrades and backward compatibilityPerform root-cause analysis to prevent repeat issuesResolve issues related to plugin conflicts, performance, and compatibility with WordPress and WooCommerce4. Product Improvement & AnalysisDesign scalable solutions that work across our product ecosystemAnalyze L2 support tickets to identify patterns and gapsCollaborate with Product and Engineering teams to implement improvements and evaluate technical feasibility and trade-offs5. Git & Code ManagementManage code using Git (commits, merges, releases)Maintain clean, scalable, and secure codebasesFollow WordPress and WooCommerce best practicesConduct regular code reviews6. AI-Assisted DevelopmentUse Cursor AI for code assistance, security checks, and snippet creationImprove development speed while maintaining high code qualityWork closely with the development team to ensure smooth integration of plugins with existing systemsDocument technical decisions and create knowledge-sharing resources7. QA & Test Case CollaborationCreate clear use cases for QA testingWork closely with QA to ensure all features and fixes are thoroughly testedReduce post-release bugs through strong pre-release validation8. Internal Support to Customer SuccessAssist Customer Success Engineers with technical guidanceHelp resolve complex L1 issues when requiredEnsure recurring problems are documented and addressed at the product levelHandle and resolve L2 support tickets for FunnelKit Checkout, Cart, and BumpDebug complex WordPress, WooCommerce, and plugin-related issuesProvide fast, stable, and scalable solutionsIdentify recurring issues and propose long-term product improvementsCoordinate closely with Customer Success Engineers9. CSS & Template DevelopmentDevelop and maintain CSS and templates for FunnelKit productsEnsure responsive, cross-browser compatible designsMaintain high UI and performance standardsRequired Skills & Experience5+ years of hands-on WordPress developmentStrong experience with:WordPress Core & Plugin DevelopmentWooCommerce internals and its ecosystem (APIs & customizations)WordPress hooks (actions, filters, and custom hooks)PHP mastery (expert-level OOP, design patterns and SOLID principles)Database proficiency - Advanced MySQL skills, query optimization, custom table designJavaScript, HTML, CSSStrong debugging and troubleshooting skills to resolve plugin related issuesSecurity First - Expert in preventing SQL injection, XSS, CSRF; capability checks and input validationExperience working on product-based WordPress plugins or SaaSStrong understanding of orders, checkout flows, and extensibility pointsProficient with Git version control and collaborationPerformance Mindset: Experience optimizing slow queries, managing memory, and profilingTechnical Leadership: Code review experience, mentoring ability, architecture decision-makingCommunication: Explains complex technical concepts clearly to different audiencesAbility to work on-site from our Delhi officeNice-to-Have SkillsPayment gateway integration and debugging experienceBackground processing and job scheduling (Action Scheduler or similar)REST API design and developmentMulti-currency or internationalization experienceSubscription/recurring billing systems knowledgeContributing to or maintaining open-source projectsExperience building WooCommerce extensionsExperience with checkout, cart, or conversion-focused productsFamiliarity with performance optimization and security best practicesExperience using AI tools for developmentCandidates with hands-on experience in Agentic AI systems and working with Claude Code will be given preference.Why This Role is ExcitingProduct Impact: Build features that directly impact revenue for thousands of businessesCross-Product Thinking: Work across an ecosystem of products, not siloed featuresInnovation Encouraged: Find creative solutions to hard problems—we value ingenuityReal Leadership: Influence technical direction without organizational bureaucracyModern Engineering: AI-enhanced workflows, continuous improvement, quality-first cultureWordPress at Scale: Solve interesting challenges in one of the world's largest tech ecosystemsWhat Success Looks LikeFirst 3 Months:Lead your first major feature from design to deploymentEstablish yourself as a reliable code reviewerIdentify and fix a significant performance or architectural issueFirst 6 Months:Own a product area and drive its technical directionMentor team members with measurable improvement in their skillsShip an innovative solution that becomes a best practiceFirst Year:Drive cross-product improvements that benefit the entire ecosystemBe the technical leader others consult for complex decisionsContribute to hiring and growing the engineering teamWhat We ValueProduct-minded engineering: Understanding business impact, not just technical eleganceOwnership mentality: Taking responsibility for outcomes, not just tasksContinuous improvement: Always learning, always getting betterKnowledge sharing: Writing docs, mentoring others, building team capabilityCreative problem-solving: Seeing opportunities others miss, finding better waysWhat We OfferOpportunity to work on globally used WordPress productsCompetitive senior-level compensationHigh-ownership, low-bureaucracy environmentCollaborative, product-driven cultureCompetitive salary based on experienceLong-term growth and learning opportunitiesTechnical leadership growth opportunitiesHow to ApplyLinks to significant projects you've led (GitHub, WordPress.org, portfolio)Brief note on a technical challenge you solved creativelyFunnelKit is committed to creating an inclusive environment and is an equal opportunity employer. We celebrate diversity and welcome applications from candidates of all backgrounds.Job Types: Full-time, PermanentBenefits:Health insurancePaid sick timeProvident FundPaid time offFlexible work timingsApplication Question(s):Experience with Core PHP, WordPress & WooCommerce is a must.Work Location: Hybrid/ remote/ in-office