Sr Backend Developer

Senior Software Engineer

AiSensy  

Gurugram, Haryana, India (On-site)

About AiSensy

AiSensy is a WhatsApp based Marketing & Engagement platform helping businesses like Adani, Delhi Transport Corporation, Yakult, Godrej, Aditya Birla Hindalco, Wipro, Asian Paints, India Today Group, Skullcandy, Vivo, Physicswallah, and Cosco grow their revenues via WhatsApp.

• Enabling 100,000+ Businesses with WhatsApp Engagement & Marketing
• 400 Crores+ WhatsApp Messages exchanged between Businesses and Users via AiSensy per year
• Working with top brands like Delhi Transport Corporation, Vivo, Physicswallah & more
• High Impact as Businesses drive 25-80% Revenues using AiSensy Platform
• Mission-Driven and Growth Stage Startup backed by Marsshot.vc, Bluelotus.vc & 50+ Angel Investors

Key Responsibilities:

• Build Scalable Architecture to handle millions of messages per day.
• Lead a team of engineers and guide them on a day to day basis.
• Collaborate with product managers, designers, and other engineers to define and implement new features and enhancements.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Conduct code reviews to ensure code quality and adherence to standards.
• Identify and resolve performance bottlenecks, bugs, and other issues.
• Mentor and provide guidance to junior engineers, fostering a culture of continuous learning and improvement.
• Participate in architectural discussions and contribute to the technical direction of the team.
• Stay up-to-date with the latest industry trends and technologies, and incorporate them into our development processes.
• Ensure the security, reliability, and performance of our applications.
• Collaborate with DevOps to streamline the deployment and monitoring processes.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field. Master’s degree preferred.
• Over all 5+ years of experience with proven experience 3+ years as a Software Engineer, with a strong track record of delivering high-quality software products.
• Expertise in the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong understanding of JavaScript and modern JavaScript frameworks.
• Experience with front-end technologies like HTML5, CSS3, and responsive design.
• Strong understanding of software development methodologies, including Agile and Scrum.
• Experience with RESTful API design and development.
• Experience with database design and management, particularly MongoDB.
• Familiarity with cloud platforms such as AWS.
• Excellent problem-solving and analytical skills.
• Strong communication and collaboration abilities.
• Experience with version control systems such as Git.
• Knowledge of containerization and orchestration tools like Docker and Kubernetes

Strong Full stack/Backend engineer profile

Mandatory (Experience): Must have 2+ years of hands-on experience as a full stack developer (backend-heavy)

Mandatory (Backend Skills): Must have 1.5+ strong experience in Python, building REST APIs, and microservices-based architectures

Mandatory (Frontend Skills): Must have hands-on experience with modern frontend frameworks (React or Vue) and JavaScript, HTML, and CSS

Mandatory (Database Skills): Must have solid experience working with relational and NoSQL databases such as MySQL, MongoDB, and Redis

Mandatory (Cloud & Infra): Must have hands-on experience with AWS services including EC2, ELB, AutoScaling, S3, RDS, CloudFront, and SNS

Mandatory (DevOps & Infra): Must have working experience with Linux environments, Apache, CI/CD pipelines, and application monitoring

Mandatory (CS Fundamentals): Must have strong fundamentals in Data Structures, Algorithms, OS concepts, and system design

Mandatory (Company) : Product companies (B2B SaaS preferred)

Mandatory (Stability): Must have atleast 2 years of experience in each of the previous companies (if less exp, then proper reason)

hiring for the position of Backend Developer / Senior Backend Developer responsible for managing back-end services and the interchange of data between the server and the users.

Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.

We are looking to recruit a candidate for a role that will require:

• Create and consume restful APIs
• Design, develop, and maintain internal and external applications
• Build efficient, testable, and reusable modules
• Write high quality, structured application/interface code and documentation
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Define functional and technical requirements for application software to develop skills and knowledge
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS

∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql 

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

Education: Min. Graduate in related discipline

Work experience: 2 years relevant experience

We are seeking an experienced and highly skilled Java (Fullstack) Engineer to join our team.

The ideal candidate will have a strong background in both Back-end JAVA, Spring-boot, Spring Framework & Frontend Javascript, React or Angular with ability to salable high performance applications.

Responsibilities

• Develop, test, and deploy scalable and robust backend services Develop, test & deploy scalable & robust back-end services using JAVA & Spring-boot
• Build responsive & user friendly front-end applications using modern Java-script framework with React
• or Angular
• Collaborate with architects & team members to design salable, maintainable & efficient systems.
• Contribute to architectural decisions for micro-services, API’s & cloud solutions.
• Implement & maintain Restful API for seamless integration.
• Write clean, efficient & res-usable code adhering to best practices
• Conduct code reviews, performance optimizations & debugging
• Work with cross functional teams, including UX/UI designers, product managers & QA team.
• Mentor junior developers & provide technical guidance.

Skills & Requirements

• Minimum 5 Years of experience in backend/ fullstack development
• Back-end - Core JAVA/JAVA8, Spring-boot, Spring Framework, Micro-services, Rest API’s, Kafka,
• Front-end - JavaScript, HTML, CSS, Typescript, Angular
• Database - MySQL

Preferred

• Experience with Batch writing, Application performance, Caches security, Web Security
• Experience working in fintech, payments, or high-scale production environments

What We’re Looking For:

• Strong experience in Python (5+ years).
• Hands-on experience with any database (SQL or NoSQL).
• Experience with frameworks like Flask, FastAPI, or Django.
• Knowledge of ORMs, API development, and unit testing

Your Opportunity

You will primarily be responsible for implementing features & building platforms to enable on-device and device/server-side combined ML workflows. You will possess strong skills in object-oriented software design and programming. You are excited about developing new features, maintaining existing code, fixing bugs, and contributing to overall system design.

Your Impact

To design, architect, develop and maintain the backend for AI products by working closely with the Engineering Team. To ensure successful consumption of Saarthi.ai technology by APIs, SDKs, or Applications, thereby enabling productization and monetization of the AI solutions.

What You’ll Do

· Work with development teams and product managers to ideate software solutions

· Design server-side architecture

· Along with SAAS application deliverables even the client-side deliverables need to be taken care

· Develop and manage well-functioning databases and applications

· Write effective APIs

· Test software to ensure responsiveness and efficiency

· Troubleshoot, debug and upgrade software

· Create security and data protection settings

· Build features and applications with a mobile responsive design

· Write technical documentation

· Work with data scientists and analysts to improve software

What You Bring

· Proven experience as a Back-End Developer or similar role.

· Experience developing desktop applications.

· Strong working experience with back-end development using Node.JS, JavaScript.

· Strong knowledge of databases (MongoDB, PostgreSQL).

· Experience with System Design and Architecture.

· Familiarity with common stacks.

· Familiarity with Parallel Threading, Concurrent calling and Aggregation Queries.

· Ability to write quality unit tests

· Setting up CI/CD, and integrating with logging and monitoring systems for the products or platforms

· Excellent communication and teamwork skills.

· Degree in Computer Science, Statistics or relevant field

Job Requirements-

Strong in programming fundamentals in C#, jQuery, JavaScript and Sql Server.
-Experience in Developing Web-Based App, SDLC & software engineering, Unit Testing.

Roles and Responsibilities

• Apply knowledge set to fetch data from multiple online sources, cleanse it and build APIs on top of it
• Develop a deep understanding of our vast data sources on the web and know exactly how, when, and which data to scrap, parse and store
• We're looking for people who will naturally take ownership of data products and who can bring a project all the way from a fast prototype to production.
• Integrating and maintaining Python services
• Developing robust microservices and applications

Desired Candidate Profile

• Strong relevant experience of at least 2-3 years.
• Strong coding experience in Python3.
• Should have good experience with Django and NodeJs.
• Proficient on modelling applications on both RDBMS and NOSQL databases
• Should have experience in web scraping
• Good understanding and hands-on with scheduling and managing tasks with cron
• Should have experience with microservice architecture
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
• Should have experience in shell scripting, GIT and docker
• Writing unit tests for 100% code coverage.