Job Title

Senior Back-end Developer - Immediate Joining

Job Summary

- Strong proficiency with JavaScript with practical knowledge of ES versions (ES6 to ES2020).
- Experience of Node.js and Express.js with solid debugging skills and frameworks available for it.
- Hands-on experience with Medusa JS (latest version) and building modern Medusa JS experiences.
- Knowledge of SQL & NoSQL Databases. Creating database schemas that represent and support

business processes.
- Integration of multiple data sources and databases into one system.
- Knowledge of basic AWS services and exposure to serverless stack (Lambda, API Gateway, DynamoDB,

etc.), caching and messaging (SQS, SNS etc).
- Experience building core business modules such as Inventory Management, Purchase Orders, Receiving

Orders, Audits, Rentals, and Service/Work Orders.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Good understanding of server-side templating languages.
- Basic understanding of front-end technologies, such as HTML5 and CSS3.
- Understanding unit testing, code quality and security concepts. Practical experience with relevant tools.
- User authentication and authorization between multiple systems, servers, and environments.
- Understanding of microservices.
- Understanding fundamental design principles behind a scalable application.




- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and

optimizing output to match the specific platform.
- Proficient understanding of code versioning tools such as Git and AWS

CodeCommit/CodeBuild/CodePipeline.

Eligibility

- Minimum 8 years of total work experience.
- Minimum 5 years experienced in advanced JavaScript (with ES6).
- Minimum 4 years experienced in Node with good debugging and problem-solving skills.
- Minimum 3 years experienced in Express.js.
- Minimum 3 years experienced in Medusa JS (latest version).
- Experience in API development and expert in REST APIs.
- Reasonable knowledge of SQL DB (e.g. Postgres, MySQL, Oracle etc...). 2+ years experienced.
- Some experience in AWS (1+ years).
- Conceptually strong in Web technologies/tools (http, graphql, chrome debugger, postman, authentication

etc.)

Key Skills

JavaScript (ES6 to ES2020), Node.js, Express.js, Medusa JS (latest version), REST APIs, GraphQL, SQL

(Postgres, MySQL, Oracle), NoSQL, AWS (Lambda, API Gateway, DynamoDB, SQS, SNS, CodeCommit,

CodeBuild, CodePipeline), Serverless, Microservices, Authentication & Authorization, Unit Testing, Git,

Postman, HTML5, CSS3, Inventory Management, Purchase Orders, Receiving Orders, Audits, Rentals,

Service/Work Orders.

📌 Backend Developer (Medusa JS- Retail / E-commerce) - Immediate Joiner (Bengaluru)
🏢 Guidesly
📍 Bengaluru