Python Developer

Job Title : Full Stack Engineer

Location : New Delhi

Job Type : Full-Time

About the Role :

We are seeking a passionate Full Stack Engineer who enjoys building scalable, high-performance applications across web and mobile platforms.

This role is ideal for someone eager to work in a fast-paced startup environment, contributing across the full development lifecycle.

Mandatory Skills :

React.js, Next.js, React Native, Node.js, Express.js, PostgreSQL, AWS (EC2/S3/RDS/IAM), RESTful APIs.

Key Responsibilities :

• Design, build, and maintain scalable applications for web and mobile.
• Translate UI/UX wireframes into efficient, reusable, and maintainable code.
• Optimize applications for maximum performance, scalability, and reliability.
• Work on both front-end and back-end development using modern frameworks.
• Participate in code reviews, debugging, testing, and deployment.
• Collaborate with cross-functional teams to deliver high-quality products.

Requirements :

• Experience : 1+ years of software development (internships + full-time combined acceptable).
• Frontend Skills : React.js, Next.js, React Native.
• Backend Skills : Node.js, Express.js, RESTful APIs.
• Database : Strong knowledge of PostgreSQL.
• Cloud : Exposure to AWS services (EC2, Elastic Beanstalk, RDS, S3, ElasticCache, IAM).
• Additional : Experience with Redis and BullMQ is a strong plus.
• Strong debugging, problem-solving, and analytical skills.
• Enthusiasm for working in a dynamic startup environment.

Role Overview

We are looking for an Engineering Manager who thrives in a fast-paced startup environment, is hands-on with development, and can lead our engineering team to build and scale robust, high-performing systems. You will drive architectural decisions, mentor a team of talented engineers, and collaborate closely with product, design, and business teams to execute our ambitious roadmap. You will be at the forefront of scaling our infrastructure to support billions of messages, ensuring real-time engagement for businesses at scale.

Key Responsibilities

• Technical Leadership: Own the engineering roadmap, ensuring scalability, reliability, and performance of our systems.
• Hands-on Development: Dive into the code when necessary, set high coding standards, and lead by example.
• Team Management: Lead, mentor, and scale a high-performing engineering team, fostering a strong culture of ownership and innovation.
• System Scalability: Architect and optimize scalable and resilient backend & frontend systems handling millions of messages per day.
• High Availability & Performance: Design systems that can handle billions of API calls and ensure minimal downtime.
• Agile Execution: Drive sprint planning, prioritization, and timely delivery of features in an agile development environment.
• Collaboration: Work closely with product, design, and business teams to align engineering efforts with company goals.
• DevOps & Security: Ensure best practices for CI/CD, cloud infrastructure (AWS/GCP), and security compliance.
• Tech Stack Evolution: Stay ahead of emerging technologies and drive innovation in AiSensy’s architecture.

What You Bring

• 8+ years of experience in software development, with at least 2 years in a leadership/managerial role.
• Expertise in modern tech stacks – Proficiency in MERN (MongoDB, Express, React, Node.js) stack or similar.
• Strong knowledge of cloud platforms (AWS) and microservices architecture.
• Proven experience in scaling high-traffic, distributed systems handling billions of messages per month.
• Hands-on experience with Docker, Kubernetes, and CI/CD pipelines.
• Strong problem-solving skills and an ability to hustle in a fast-paced startup environment.
• Excellent communication skills and a data-driven decision-making approach.
• Passion for building great products, coaching engineers, and driving tech excellence.

What We Offer

• Competitive Compensation & Benefits aligned with your experience and the impact you bring.
• Opportunity for Growth in a rapidly expanding B2B SaaS company.
• Cutting-Edge Technology & Projects in the WhatsApp Business API and Click to WhatsApp Ads space.
• Collaborative Work Environment that fosters innovation, learning, and career development.
• Flexible & Inclusive Culture, where every team member has a voice and the chance to make a significant impact.

Roles and Responsibilities:

• 6+ years of IT experience with 3+ years in Camunda development; Camunda certification required.
• Expertise in designing, developing, and implementing Camunda components like Job Workers and Process Models, following best practices.
• Proficient in integrations with external systems using REST APIs, connectors, web services, and experience in building REST services with Spring Boot or .NET.
• Hands-on experience integrating Camunda with Front End, Streaming Products, PostGres, SMTP, SAP, and RPA systems; strong SQL query and function writing skills.
• Experienced in deploying solutions via Bitbucket and GIT, maintaining documentation, and participating in code reviews to ensure quality and compliance.
• Skilled in tracking and resolving CRs/Defects through JIRA and providing technical support for UAT/PROD environments.

• You would get hands on experience of developing software in latest Microsoft technology stack like C#, .NET framework, .NET Core, SQL Server, Web API and React.
• Product development with Agile Methodology in Microsoft technology stack.
• Work with leaders that follow best of the development practices.
• Work in business domains like Banking, Insurance & CRM

Technical Skills:

• We are looking out for suitable candidates having 2 to 6 years of experience in .Net development along with strong MVC & JQuery experience.
• Strong experience developing database driven web-based applications using ASP.NET MVC, C#, OOPS concept, ADO.NET, SQL Server, WCF.
• Excellent exposure in HTML5, CSS, JavaScript, OOJS, JQuery and Object-Oriented Design skills.
• Good to have: ReactJs, ES6, NodeJs

Behavioural Attributes:

• Demonstrated problem solving, analytics and troubleshooting skills.
• Heroic get-it-done and problem-solving attitude.
• Able to do multitask and meet deadlines in a fast-paced environment.
• Ability to work seamlessly in a team environment and creating excellent team dynamics

• Previous working experience as a MERN/MEAN  Stack Developer for 1 year (Minimum).
• In depth knowledge of NodeJS, ExpressJS or Restify
• Experience implementing applications using Angular 2+ versions or React
• Experience creating front end applications using HTML5, Angular/React, LESS/SASS
• Hands on experience with JavaScript
• Development on both client and server-side
• Experience on Angular 2+  and React Js will be an plus point
• Experience on both MEAN/MERN Technologies will be an advantage.

Responsibilities 

• Adding more features to our existing website which can ease the campaign launching process for campaigners. 
• Incorporating various tools which can track the users behavior and other key metrics. 
• Build APIs which are scalable and can help strategically partnering with other companies or organizations. 
• Adopting and incorporating changes as per the new technologies. 
• Investigate production issues pertaining to customer features to determine root cause and implement solutions 
• Work with the real-time feedback from our users (external and internal) to make the products better. 
• Take ownership of the backend services, ensure the best possible performance.
• Strong problem-solving skills, organizational and communication skills, team player

Requirements 

• Preferably 1+ year of experience in full stack development. 
• Hands on experience in front-end languages preferably html5, CSS3, React Js. 
• Top-notch programming skills in JavaScript and a strong understanding of web fundamentals 
• Experience in backend languages preferably NodeJs
• Familiar with MySQL/SQL server 
• Familiar with JavaScript technologies 
• Familiar with cloud services like AWS, Git 
• Knowledge/experience in building Web APIs 
• Good understanding of the foundations of security and best practices ∙ Good Problem-solving skills. 

What you'll get: 

Work with technologies like React, ReactJS, NodeJs.

Gain knowledge on full application lifecycle 

Faster growth and opportunities

• Design and code feature in the front-end and back-end as per the specifications provided by the Product and Design teams.
• Ship features in fast-moving agile sprints.
• Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
• Ability to build a feature from scratch & drive it to completion

Skills Must have:

• Good understanding of Javascript and Clean architecture.
• Good understanding of asynchronous programming, callback, and closures
• Experience in developing applications that use queues like SQS, RabbitMQ, Kafka, etc
• Experience with AWS services like S3, EC2, etc
• Strong experience with Javascript frontend framework/libraries like ReactJS
• Good knowledge of CSS and its preprocessors like SASS/LESS
• Good understanding of server-side templates.
• Experience with creating cross-browser compatible web apps
• Should be Strong in MySql / Postgres database
• Stronghold in Data structure and processing JSON

Good to have

• Basic knowledge of CI, CD
• Intermediate knowledge in any cloud services(AWS, GCP)
• Familiar with testing frameworks like Mocha, Cypress