
6+ years of experience developing on Shopify’s eCommerce platform including customization of various themes using Liquid
● 6+ years of experience in front-end technologies including JavaScript, AJAX, HTML, CSS, SCSS, and GraphQL.
● Superb troubleshooting & debugging skills.
● Interest in staying current and applying the most current best practices.
● Able to work effectively in a fluid, fast-paced environment. ● Experience working with many cross functional partners to drive complex projects forward. ● Experience working with agile teams and making rapid decisions in a dynamic and disruptive environment.
● A disciplined approach to testing and quality assurance.
● Positive Attitude, high energy, and love for broadening web development skill set. ● Proficient in co-coordinating with teams and clients across different time zones. ● Familiar with JIRA, ConfluenceKnowledge in other ecommerce platforms such as BigCommerce orCommercetools is big plus

About Codal Systems Private Limited
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Job Details
- Job Title: Senior Backend Engineer
- Industry: SAAS
- Function – Information Technology
- Experience Required: 5-8 years
- Working Days: 6 days a week, (5 days-in-office, Saturdays WFH)
- Employment Type: Full Time
- Job Location: Bangalore
- CTC Range: Best in Industry
Preferred Skills: AWS, NodeJS, RESTful APIs, NoSQL
Criteria
· Minimum 5+ years in backend engineering with strong system design expertise
· Experience building scalable systems from scratch
· Expert-level proficiency in Node.js
· Deep understanding of distributed systems
· Strong NoSQL design skills
· Hands-on AWS cloud experience
· Proven leadership and mentoring capability
· Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies
Job Description
The Role:
What You’ll Build:
1. System Architecture & Design
● Architect highly scalable backend systems from the ground up
● Define technology choices: frameworks, databases, queues, caching layers
● Evaluate microservices vs monoliths based on product stage
● Design REST, GraphQL, and real-time WebSocket APIs
● Build event-driven systems for asynchronous processing
● Architect multi-tenant systems with strict data isolation
● Maintain architectural documentation and technical specs
2. Core Backend Services
● Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions
● Create 3D asset processing pipelines for uploads, conversions, and optimization
● Develop distributed job workers for CPU/GPU-intensive tasks
● Build authentication/authorization systems (RBAC)
● Implement billing, subscription, and usage metering
● Build secure webhook systems and third-party integration APIs
● Create real-time collaboration features via WebSockets/SSE
3. Data Architecture & Databases
● Design scalable schemas for 3D metadata, XR sessions, and analytics
● Model complex product catalogs with variants and hierarchies
● Implement Redis-based caching strategies
● Build search and indexing systems (Elasticsearch/Algolia)
● Architect ETL pipelines and data warehouses
● Implement sharding, partitioning, and replication strategies
● Design backup, restore, and disaster recovery workflows
4. Scalability & Performance
● Build systems designed for 10x–100x traffic growth
● Implement load balancing, autoscaling, and distributed processing
● Optimize API response times and database performance
● Implement global CDN delivery for heavy 3D assets
● Build rate limiting, throttling, and backpressure mechanisms
● Optimize storage and retrieval of large 3D files
● Profile and improve CPU, memory, and network performance
5. Infrastructure & DevOps
● Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)
● Build CI/CD pipelines for automated deployments and rollbacks
● Use IaC tools (Terraform/CloudFormation) for infra provisioning
● Set up monitoring, logging, and alerting systems
● Use Docker + Kubernetes for container orchestration
● Implement security best practices for data, networks, and secrets
● Define disaster recovery and business continuity plans
6. Integration & APIs
● Build integrations with Shopify, WooCommerce, Magento
● Design webhook systems for real-time events
● Build SDKs, client libraries, and developer tools
● Integrate payment gateways (Stripe, Razorpay)
● Implement SSO and OAuth for enterprise customers
● Define API versioning and lifecycle/deprecation strategies
7. Data Processing & Analytics
● Build analytics pipelines for engagement, conversions, and XR performance
● Process high-volume event streams at scale
● Build data warehouses for BI and reporting
● Develop real-time dashboards and insights systems
● Implement analytics export pipelines and platform integrations
● Enable A/B testing and experimentation frameworks
● Build personalization and recommendation systems
Technical Stack:
1. Backend Languages & Frameworks
● Primary: Node.js (Express, NestJS), Python (FastAPI, Django)
● Secondary: Go, Java/Kotlin (Spring)
● APIs: REST, GraphQL, gRPC
2. Databases & Storage
● SQL: PostgreSQL, MySQL
● NoSQL: MongoDB, DynamoDB
● Caching: Redis, Memcached
● Search: Elasticsearch, Algolia
● Storage/CDN: AWS S3, CloudFront
● Queues: Kafka, RabbitMQ, AWS SQS
3. Cloud & Infrastructure:
● Cloud: AWS (primary), GCP/Azure (nice to have)
● Compute: EC2, Lambda, ECS, EKS
● Infrastructure: Terraform, CloudFormation
● CI/CD: GitHub Actions, Jenkins, CircleCI
● Containers: Docker, Kubernetes
4. Monitoring & Operations
● Monitoring: Datadog, New Relic, CloudWatch
● Logging: ELK Stack, CloudWatch Logs
● Error Tracking: Sentry, Rollbar
● APM tools
5. Security & Auth
● Auth: JWT, OAuth 2.0, SAML
● Secrets: AWS Secrets Manager, Vault
● Security: Encryption (at rest/in transit), TLS/SSL, IAM
What We’re Looking For:
1. Must-Haves
● 5+ years in backend engineering with strong system design expertise
● Experience building scalable systems from scratch
● Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)
● Deep understanding of distributed systems and microservices
● Strong SQL/NoSQL design skills with performance optimization
● Hands-on AWS cloud experience
● Ability to write high-quality production code daily
● Experience building and scaling RESTful APIs
● Strong understanding of caching, sharding, horizontal scaling
● Solid security and best-practice implementation experience
● Proven leadership and mentoring capability
2. Highly Desirable
● Experience with large file processing (3D, video, images)
● Background in SaaS, multi-tenancy, or e-commerce
● Experience with real-time systems (WebSockets, streams)
● Knowledge of ML/AI infrastructure
● Experience with HA systems, DR planning
● Familiarity with GraphQL, gRPC, event-driven systems
● DevOps/infrastructure engineering background
● Experience with XR/AR/VR backend systems
● Open-source contributions or technical writing
● Prior senior technical leadership experience
Technical Challenges You’ll Solve:
● Designing large-scale 3D asset processing pipelines
● Serving XR content globally with ultra-low latency
● Scaling from thousands to millions of daily requests
● Efficiently handling CPU/GPU-heavy workloads
● Architecting multi-tenancy with complete data isolation
● Managing billions of analytics events at scale
● Building future-proof APIs with backward compatibility
Why company:
● Architectural Ownership: Build foundational systems from scratch
● Deep Technical Work: Solve distributed systems and scaling challenges
● Hands-On Impact: Design and code mission-critical infrastructure
● Diverse Problems: APIs, infra, data, ML, XR, asset processing
● Massive Scale Opportunity: Build systems for exponential growth
● Modern Stack and best practices
● Product Impact: Your architecture directly powers millions of users
● Leadership Opportunity: Shape engineering culture and direction
● Learning Environment: Stay at the forefront of backend engineering
● Backed by AWS, Microsoft, Google
Location & Work Culture:
● Location: Bengaluru
● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)
● Culture: Builder mindset, strong ownership, technical excellence
● Team: Small, highly skilled backend and infra team
● Resources: AWS credits, latest tooling, learning budget
- Must have relevant experience of 3/7 years in working with Shopify and Shopify Plus stores
- Strong hands to Install & Customize new Shopify
- Basic experience in writing Ruby scripts to runpromotions
- Experience in integrating external API’s
- Proficiency in 3rdparty integration like ERP- Netsuite, SAP, Odoo, Microsoft Dynamics, Sage, Epicor etc.
- Experience in Implementing Shopify Ajax API, Admin APIs and configuring third partyapps
- Experience working with the following technologies: JavaScript (JQuery), XML, JSON, SQL, PHP, CSS3
- Good knowledge of front-end development and liquid programming language
- Knowledge in other E-Commerce platforms like Magento, woo-commerce, Big-commercewill be
- Hands on Experience with OOP PHP (2+years)
- Familiarity with GIT
- Understanding of building custom, private and embeddedapps
- Demonstrated ability to adapt and work with team members of various experience levels
- Ability to work with minimal direction with a focus on customer satisfaction
- Communication should be excellent.
Wordpress:
Should have hands-on experience in WordPress & HOOKS concepts.
Extensive knowledge and experience of building WordPress CMS websites using the best practice & de-facto standard plugins.
- Knowledge of Customization of themes & plugins
- Experience working with WordPress at a PHP code level.
- Knowledge of existing inbuilt WordPress functions.
- Theme Template integration.
- Good understanding of cross-platform and cross-browser issues.
- Experience in developing E-Commerce websites
Shopify:
Should have hands-on experience in Shopify API & APP concepts.
Extensive knowledge and experience of building custom stores.
- Knowledge of Customization of themes & apps
- Experience working with Shopify API's
- Knowledge of existing inbuilt Shopify system.
- Theme Template integration.
- Good understanding of cross-platform and cross-browser issues
Web Developer (WordPress & Shopify Expert)
Company: Exotica IT Solutions Pvt. Ltd.
Location: Mohali (Work From Office)
Experience: 4 Years
Type: Full-Time
About the Role:
We are hiring a skilled Web Developer with strong expertise in WordPress and Shopify. The ideal candidate should have 4+ years of experience in developing, customizing, and maintaining high-quality websites and e-commerce platforms.
Key Skills Required:
- Advanced experience with WordPress, Woo Commerce, and Shopify
- Proficient in HTML, CSS, JavaScript, jQuery, PHP
- Knowledge of Shopify Liquid, custom themes & plugins
- Experience in website performance, SEO, and responsive design
- Strong problem-solving and communication skills
Responsibilities:
- Build and manage websites on WordPress and Shopify
- Customize themes, plugins, and integrations
- Ensure mobile responsiveness and performance optimization
- Handle e-commerce functions like checkout, payment gateways, etc.
Website: www.exoticaitsolutions.com
You will be responsible for both back-end and front-end development, including creating WordPress themes and plugins.
WordPress Developer duties and responsibilities :-
- Designing and implementing new features and functionality
- Establishing and guiding the website's architecture
- Ensuring high-performance and availability, and managing all technical aspects of the CMS
- Helping formulate an effective, responsive design and turning it into a working theme and plugin.
- Generating WordPress themes and plugins.
- Conducting website performance tests.
- Troubleshooting content issues.
- Conducting WordPress training with the client.
- Monitoring the performance of the live website
- WordPress Developer requirements and qualifications :-
- Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
- Experience building user interfaces for websites and/or web applications
- Experience designing and developing responsive design websites
- Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
- Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers
- Ability to convert comprehensive layout and wireframes into working HTML pages
- Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
- Proficient understanding of code versioning tools such as Git, SVN, and Mercurial
- Strong understanding of PHP back-end development
PHP Developer Responsibilities:
- Conducting analysis of website and application requirements.
- Writing back-end code and building efficient PHP modules.
- Developing back-end portals with an optimized database.
- Troubleshooting application and code issues.
- Integrating data storage solutions.
- Responding to integration requests from front-end developers.
- Finalizing back-end features and testing web applications.
- Updating and altering application features to enhance performance.
PHP Developer Requirements:
- Bachelor’s degree in computer science or a similar field.
- Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
- Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
- Understanding of object-oriented PHP programming.
- Previous experience creating scalable applications.
- Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
- Ability to project manage.
- Good problem-solving skills.
Integration of user-facing elements developed by front-end developers
Build efficient, testable, and reusable PHP modules
Solve complex performance problems and architectural challenges
work on multiple projects with Product Development team
Contribute in all phases of the development lifecycle
Follow industry best practices
Develop and deploy new features to facilitate related procedures and tools if necessary Skills And Qualifications
Strong knowledge of PHP web frameworks ( Magento 1/2, Wordpress, YII, Laravel, Prestashop)
Understanding of MVC design patterns
Basic understanding of front-end technologies, such as JavaScript, jQuery, HTML5, and CSS3
Knowledge of object oriented PHP programming Strong knowledge of the common PHP or web server exploits and their solutions
Understanding fundamental design principles behind a scalable application
User authentication and authorization between multiple systems, servers, and environments
Good knowledge of relational databases, version control tools (like GIT) and of developing web services
Experience in common third-party APIs (Google, Facebook, Ebay etc) (OPTIONAL)
Qualifications and Skills
- Strong knowledge of Core PHP, Shopify, Magento.
- Good knowledge of any PHP framework ( CodeIgniter and CakePHP )
- Hands-on experience one PHP framework
- Good analytical & communication skills.
- Must be proficient in PHP, MySQL, CSS, HTML, Javascript, AJAX, XML
- Should have excellent written communication skills (English)
- Must have the capacity to work independently and also as a part of a team
- Must have dedication and commitment towards work.









