PHP
Javascript
HTML/CSSJob Description:
PHP Developer (candidates having experience with 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)com
Location: Delhi, Tilak Nagar (work from office/ on-site only)
Experience: 5+ years + AI mindset
Education: Engineering candidates should only apply with relevant experience with WordPress and WooCommerce plugin/ product development (not theme customization)
Working Days: 5 days - Monday – Friday
About FunnelKit
FunnelKit 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 Overview
This role is ideal for someone who:
- Can lead development of our WordPress & WooCommerce product suite as a senior engineer who thinks beyond code
- Enjoys solving real customer problems
- Has worked on production-level WordPress plugins or SaaS products
- Takes ownership of both development and troubleshooting
You'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 Responsibilities
1. Plugin Development & Product Feature Development
- Build and maintain WordPress plugins to extend site functionality and improve user experience
- Own architecture decisions for complex features across multiple products
- Work with the Product team to convert requirements into high-quality code
- Build custom solutions based on real customer use cases
- Ensure all features are properly tested and documented before release
- Mentor mid-level and junior developers through code reviews and pairing
- Lead initiatives that improve developer productivity and code quality
- Think creatively about technical challenges—finding innovative solutions
- Drive technical standards and best practices for the team
2. WooCommerce Integration & WordPress Hooks
- Develop 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 Stability
- Monitor product behavior after updates and releases
- Debug complex cross-system issues and performance bottlenecks
- Ensure smooth upgrades and backward compatibility
- Perform root-cause analysis to prevent repeat issues
- Resolve issues related to plugin conflicts, performance, and compatibility with WordPress and WooCommerce.
4. Product Improvement & Analysis
- Design scalable solutions that work across our product ecosystem
- Analyze L2 support tickets to identify patterns and gaps
- Collaborate with Product and Engineering teams to implement improvements and evaluate technical feasibility and trade-offs
5. Git & Code Management
- Manage code using Git (commits, merges, releases)
- Maintain clean, scalable, and secure codebases
- Follow WordPress and WooCommerce best practices
- Conduct regular code reviews
6. AI-Assisted Development
- Use Cursor AI for code assistance, security checks, and snippet creation
- Improve development speed while maintaining high code quality
- Work closely with the development team to ensure smooth integration of plugins with existing systems
- Document technical decisions and create knowledge-sharing resources
7. QA & Test Case Collaboration
- Create clear use cases for QA testing
- Work closely with QA to ensure all features and fixes are thoroughly tested
- Reduce post-release bugs through strong pre-release validation
8. Internal Support to Customer Success
- Assist Customer Success Engineers with technical guidance
- Help resolve complex L1 issues when required
- Ensure recurring problems are documented and addressed at the product level
- Handle and resolve L2 support tickets for FunnelKit Checkout, Cart, and Bump
- Debug complex WordPress, WooCommerce, and plugin-related issues
- Provide fast, stable, and scalable solutions
- Identify recurring issues and propose long-term product improvements
- Coordinate closely with Customer Success Engineers
9. CSS & Template Development
- Develop and maintain CSS and templates for FunnelKit products
- Ensure responsive, cross-browser compatible designs
- Maintain high UI and performance standards
Required Skills & Experience
- 5+ years of hands-on WordPress development
- Strong experience with:
- WordPress Core & Plugin Development
- WooCommerce 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 design
- JavaScript, HTML, CSS
- Strong debugging and troubleshooting skills to resolve plugin related issues
- Security First - Expert in preventing SQL injection, XSS, CSRF; capability checks and input validation
- Experience working on product-based WordPress plugins or SaaS
- Strong understanding of orders, checkout flows, and extensibility points
- Proficient with Git version control and collaboration
- Performance Mindset: Experience optimizing slow queries, managing memory, and profiling
- Technical Leadership: Code review experience, mentoring ability, architecture decision-making
- Communication: Explains complex technical concepts clearly to different audiences
- Ability to work on-site from our Delhi office
Nice-to-Have Skills
- Payment gateway integration and debugging experience
- Background processing and job scheduling (Action Scheduler or similar)
- REST API design and development
- Multi-currency or internationalization experience
- Subscription/recurring billing systems knowledge
- Contributing to or maintaining open-source projects
- Experience building WooCommerce extensions
- Experience with checkout, cart, or conversion-focused products
- Familiarity with performance optimization and security best practices
- Experience using AI tools for development
- Candidates with hands-on experience in Agentic AI systems and working with Claude Code will be given preference.
Why This Role is Exciting
- Product Impact: Build features that directly impact revenue for thousands of businesses
- Cross-Product Thinking: Work across an ecosystem of products, not siloed features
- Innovation Encouraged: Find creative solutions to hard problems—we value ingenuity
- Real Leadership: Influence technical direction without organizational bureaucracy
- Modern Engineering: AI-enhanced workflows, continuous improvement, quality-first culture
- WordPress at Scale: Solve interesting challenges in one of the world's largest tech ecosystems
What Success Looks Like
First 3 Months:
- Lead your first major feature from design to deployment
- Establish yourself as a reliable code reviewer
- Identify and fix a significant performance or architectural issue
First 6 Months:
- Own a product area and drive its technical direction
- Mentor team members with measurable improvement in their skills
- Ship an innovative solution that becomes a best practice
First Year:
- Drive cross-product improvements that benefit the entire ecosystem
- Be the technical leader others consult for complex decisions
- Contribute to hiring and growing the engineering team
What We Value
- Product-minded engineering: Understanding business impact, not just technical elegance
- Ownership mentality: Taking responsibility for outcomes, not just tasks
- Continuous improvement: Always learning, always getting better
- Knowledge sharing: Writing docs, mentoring others, building team capability
- Creative problem-solving: Seeing opportunities others miss, finding better ways
What We Offer
- Opportunity to work on globally used WordPress products
- Competitive senior-level compensation
- High-ownership, low-bureaucracy environment
- Collaborative, product-driven culture
- Competitive salary based on experience
- Long-term growth and learning opportunities
- Technical leadership growth opportunities
How to Apply
- Links to significant projects you've led (GitHub, WordPress.org, portfolio)
- Brief note on a technical challenge you solved creatively
NOTE: This is a full-time, on-site position based in Delhi. Remote or hybrid candidates will not be considered.
FunnelKit 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, Permanent
Benefits:
- Health insurance
- Paid sick time
- Provident Fund
- Paid time off
Ability to commute/relocate:
- Tilak Nagar, Delhi, Delhi: Reliably commute or planning to relocate before starting work (Required)
Application Question(s):
- Experience with Core PHP, WordPress & WooCommerce is a must.
Work Location: In person
Shubham Vishwakarma
Full Stack Developer - Averlon
About Wisetr Technology Pvt Ltd
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