Software Engineer - Backend Core Platform

Role & Responsibilities

What You'll Do

• Design, build, and ship production-grade backend services in a microservices environment
• Work directly with clients to understand requirements, solution their use cases, and integrate/deploy our product in their environment
• Own problems end-to-end — build, deploy, debug in the client's setup, and see it through to production
• Lead technical discussions with client engineering and business teams, translating their needs into working solutions
• Build integrations with third-party systems and APIs within customer environments
• Collaborate cross-functionally with internal product and engineering teams to feed client learnings back into the product

Ideal Candidate

• Strong Backend Engineer with robust Micro-services experience
• Mandatory (Experience): Must have 4+ years of hands-on experience in backend software engineering with 2+ years in a product company
• Mandatory (Skill 1): Must have hands-on experience building and running applications in a Micro-services setup - designing services, REST APIs, and service-to-service communication
• Mandatory (Skill 2): Must have strong production-grade experience in building and shipping real services in Java or Node.js (Java is highly preferred)
• Mandatory (Company): Product companies (B2B SaaS is preferred)
• Mandatory (Education): B.Tech / B.E. in Computer Science from Tier-1 institutes (IITs, BITS Pilani)
• Preferred (Experience): Must have worked directly with external customers in an engineering capacity - solutioning, integrating, or deploying the product in the customer's environment and handling technical discussions with their teams
• Preferred (Databases): Comfortable with both SQL and NoSQL databases

Job 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

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

🚀 Hiring: Node.js Developer

⭐ Experience: 2+ Years

📍 Location: Mumbai (Andheri East)

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners or 15 Days

(Only immediate joiners & candidates serving notice period)

We’re looking for a passionate Node.js Developer to join our team! If you have hands-on experience with Node.js, Express.js, REST APIs, and databases (such as MongoDB/MySQL/PostgreSQL), we want to hear from you.

✅ Key Skills:

• Strong in JavaScript (ES6+), Node.js, Express.js
• Strong knowledge of JavaScript (ES6+), Express.js, and asynchronous programming.
• Experience with databases (MongoDB, MySQL, or PostgreSQL).
• Familiarity with REST APIs, authentication (JWT/OAuth), and security best practices.
• Experience with Git/GitHub and Agile development methodologies.
• Basic knowledge of cloud platforms (AWS, Azure, GCP) is a plus.
• Develop, test, and maintain server-side applications using Node.js.

We’re looking for an experienced Engineering Manager with strong tech leadership and hands-on expertise in Java + Spring Boot.

What you’ll do:

• Lead high-performing engineering teams

• Drive architecture, system design & scalable backend solutions

• Balance 60% people management + 40% hands-on coding

• Own CI/CD, integrations & high-quality releases

What we need:

• 10+ yrs experience (3+ yrs in EM role)

• Strong in Java, Spring Boot, microservices & cloud

• Startup mindset, ownership & solid communication skills

📍 Location: Bengaluru (On-site)

JAVA SPRING BOOT DEVELOPER - Immediate Joiners

Work Experience: 4-7 years

Work location: Hyderabad

Must Have Skills: Spring Boot

Desired Candidate Profile

Proficiency in core Java & Spring framework

Expertise in Web Service technologies.

Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL

Experience with Java Spring Boot, Hibernate Cloud Services, AWS, S3, Server-less lambda functions
Experience with security principles and frameworks
Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.

Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Swagger, Tomcat, SVN, Git, Postman/Newman.

Should have worked in Agile methodologies.

Good object oriented and problem solving skills.

Strong communication skills along with the ability to work in a highly collaborative environment.

Role & Responsibilities

- Design and develop features using Java, Spring, and Hibernate

- Ability to design database schema, develop views and stored procedures

- Maintain existing software systems by identifying and correcting software defects

- Review and analyse business requirements and provide technical feasibility and estimates

- Coordinate the workflow between the UX team and front end developers

Qualification

- 4-7 years of work experience developing Java-based backend applications

- Around 2 year of work experience using Spring Boot, Spring Cloud and Microservices

- Bachelor degree in computer science, or information technology, or other related field of study

We are looking for an experienced Back-end developer to join our IT team. You will be responsible for the server-side of our web applications.

If you have excellent programming skills and a passion for developing applications or improving existing ones, we would like to meet you. As a Back-end developer, you’ll work closely with our engineers to ensure system consistency and improve user experience.

Ultimately, you should be able to develop and maintain functional and stable web applications to meet our company’s needs.

• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Perform UI tests to optimize performance
• Manage cutting-edge technologies to improve legacy applications
• Collaborate with Front-end developers to integrate user-facing elements with server side logic
• Gather and address technical and design requirements
• Provide training and support to internal teams
• Build reusable code and libraries for future use
• Liaise with developers, designers and system administrators to identify new features
• Follow emerging technologies

• 2-5 years of work experience, preferably in a startup
• An engineering degree preferably, from a top-tier school (or equivalent experience)
• Hands-on experience in developing end-to-end applications using Node.Js, ReactJs,
• Knowledge of HTML/CSS, web standards, best practices
• Experience of working with databases - MySQL, MongoDB
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• An experience in writing clean, semantic code with cross-browser compatibility in mind
• Proficient understanding of code versioning tools, such as Git/SVN
• Excellent coding and debugging skills
• A passion and the ability to make beautiful, smooth, delightful web experiences
• A Will-Do attitude

• A team of aces, from top-tier schools and startups, to work with
• A fast-paced, data-driven, and fun work environment
• A huge appetite for new, disruptive, creative and implementable ideas
• An open work culture

• Competitive salary
• Great working environment, opportunity to work directly with the founders on very exciting real-life problems.
• Opportunity to grow really fast.
• Opportunity to hire a team & mentor them in the future.
• ESOPs

• Shortlist
• Intro call of 15min
• 1-2 Tech rounds
• HR round
• Offer rollout