Senior Backend Engineer

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

• Good understanding and experience of HTML / CSS / JavaScript.
• Hands-on experience with ES6 / ES7 / ES8 features.
• Thorough understanding of the Request Lifecycle (including Event Queue, Event Loop, Worker Threads, etc).
• Familiarity with security principles including SSL protocols, data encryption, XSS, CSRF.
• Expertise in Web Services / REST APIs will be beneficial.
• Proficiency in Linux and deployment on Linux are valuable.
• Knowledge about ORM like Sequelize and ODM like Mongoose and the ability to handle DB transactions is a necessity.
• Experience with Angular JS / React JS will be an added advantage.
• Expertise with RDBMS like MySQL / PostgreSQL will be a plus.
• Knowledge of AWS services like S3, EC2 will be helpful.
• Understanding of Agile and CI/CD will be of value.

Job Profile :Sr. Software Engineer/Software Engineer/Associate Software Engineer

Technologies :NodeJS Developer

Eligibility Criteria :Requires minimum of a Bachelor’s Degree in IT, Computer Science, MCA or equivalent experience.

Experience :1 to 3 year

Job Description

Job roles and responsibilities

The candidate’s primary focus will be developing new features for our modern web application. They will get exposure to an ‘agile-centric’ delivery model, while leveraging modern / innovative JavaScript approaches. A candidate who is driven, innovative and has passion for elegant technical solutions will thrive in this role.

• You should have deep understanding of NodeJS

• You should be strong in Javascript and TypeScript

• You should be capable of writing complex queries

• ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment Gateway,

• Error Loggin, API Developement, API Security,

• PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB

• Very good knowledge on REST API

• Good experience in Agile methodologies

• Ability to design and write code complying with coding standards and other factors like performance, scalability, reliability, reusability, modularity in mind

• You should have strong logical and problem solving skills

• Excellent communication and customer interfacing skills

• AWS certification is nice to have

• Strong proficiency with JavaScript and good to have ES6(Typescript) knowledge

• Knowledge of Node.js and frameworks such as Express, Restify

• Understanding the nature of asynchronous programming and its quirks and workarounds

• Understanding accessibility and security compliance

• User authentication and authorization between multiple systems, servers, and environments

• Integration of multiple data sources and databases into one system

• Understanding fundamental design principles behind a scalable application

Competencies and Skills Required

• Requires excellent analytical, problem solving, and good communications skills

• Must be able to work effectively with business stakeholders

• Strong passion for delivering technical solutions to business problems

• Understanding and mindset of Agile software delivery (Ability to adapt to continually changing priorities)

• Team player who understands the importance of teamwork and collaboration

• Passion for delivering new approaches and challenging the ‘status-quo’

• Hungry to learn and always in search of continuous improvement

Your Responsibilities:

• Own the backend stack – Python based, that powers our product

• Collaborate with Data Scientists, Backend Developers(Node.js), Front-end developers, DevOps to design and implement new features
• Build and maintain several Backend Jobs and REST’ful Services which will be used internally in a Macroservices/Distributed services environment.
• Deploy and monitor the Jobs and endpoints ensuring availability and scalability(ability to handle 100X data processing load)
• Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.

Skills that you bring Along:

• A minimum 8+ years of extensive work experience with Python and related frameworks – particularly Flask.
• Extensive experience in designing and scheduling backend Python jobs
• Hands on working in different file formats like Json, Parquet, csv etc. coming from Data Science side.
• Extensive experience with databases such as Postgres and Mongo.
• Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
• Experience with cache like Redis and/or Memory cache
• Good experience in Microservices/Macroservices or Event driven Architectures
• Good experience with design patterns
• Experience in writing advanced SQL-queries, good knowledge of PL/SQL
• Good understanding of Software Design Principles and domain-driven design
• Good experience with Continuous Delivery and Containerization(Docker)
• Good experience in designing and maintaining REST’ful API endpoints
• Ideally maintaining infrastructure-as-code using Terraform
• Ideally experience in parallel data processing and building end-to-end Data Pipelines using tools such as Airflow/Prefect and Spark/Dask
• Excellent communication skills and the ability to explain complex topics in a simple manner