Node.js Developer

Job Title : Python Backend Lead / Senior Python Developer

Experience : 6 to 10 Years

Location : Bangalore (CV Raman Nagar)

Openings : 8

Interview Rounds : 1 Virtual + 1 In-Person (Face-to-Face with Client)

Note : Only local Bangalore candidates will be considered

About the Role :

We are seeking an experienced Python Backend Lead / Senior Python Developer to design, develop, and optimize scalable backend solutions.

The role involves working with large-scale data, building efficient APIs, integrating middleware solutions, and ensuring high performance and reliability.

You will lead a team of developers while also contributing hands-on to coding, design, and architecture.

Mandatory Skills : Python (Pandas, NumPy, Matplotlib, Plotly), FastAPI/FlaskAPI, SQL & NoSQL (MongoDB, CRDB, Postgres), Middleware tools (Mulesoft/BizTalk), CI/CD, RESTful APIs, OOP, OOD, DS & Algo, Design Patterns.

Key Responsibilities :

• Lead backend development projects using Python (FastAPI/FlaskAPI).
• Design, build, and maintain scalable APIs and microservices.
• Work with SQL and NoSQL databases (MongoDB, CRDB, Postgres).
• Implement and optimize middleware integrations (Mulesoft, BizTalk).
• Ensure smooth deployment using CI/CD pipelines.
• Apply Object-Oriented Programming (OOP), Design Patterns, and Data Structures & Algorithms to deliver high-quality solutions.
• Collaborate with cross-functional teams (frontend, DevOps, product) to deliver business objectives.
• Mentor and guide junior developers, ensuring adherence to best practices and coding standards.

Required Skills :

• Strong proficiency in Python with hands-on experience in Pandas, NumPy, Matplotlib, Plotly.
• Expertise in FastAPI / FlaskAPI frameworks.
• Solid knowledge of SQL & NoSQL databases (MongoDB, CRDB, Postgres).
• Experience with middleware tools such as Mulesoft or BizTalk.
• Proficiency in RESTful APIs, Web Services, and CI/CD pipelines.
• Strong understanding of OOP, OOD, Design Patterns, and DS & Algo.
• Excellent problem-solving, debugging, and optimization skills.
• Prior experience in leading teams is highly desirable.

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

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

Design, develop and support real time data monitoring application and a dashboard for a VoIP network

Roles and Responsibilities:

• Design, build and maintain efficient, reusable, and reliable Ruby code
• Ensure the best possible performance, quality, and responsiveness of the applications
• Identify bottlenecks and bugs, and devise solutions to these problems

Required Skills:

• 3+ yrs of experience developing Ruby applications on Linux platform with exposure to HTML, CSS and javascripts
• Solid understanding of object-oriented programming
• Experience with any one NoSQL solution like Redis, MongoDB, CouchDB is a must
• Deep understanding of high traffic, highly scalable, complex web applications
• Ability to work in a dev-automation environment with some source control, continuous integration/delivery systems
• Good problem solving/analytical skills
• Excellent written and verbal communication

Preferred Skills:

• Conversant with Elasticsearch, Neo4j and D3.js
• Inclination to GO programming
• Experience working with open source projects

• Work closely with design, product management, and front-end teams to create REST APIs using NestJS
• Write reusable, testable, and efficient code
• Design and implementation of low-latency, high-availability, and performant applications
• Work on the implementation of security and data protection
• Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively

• 1+ years of experience in NodeJS-based frameworks like NestJS, and microservices-based architecture is a bonus.
• Understanding of OOPS concepts, persistence, threading, queuing, and caching.
• Thorough knowledge of designing, implementing and scaling relational and document-based databases
• A love for systems and an ability to think through and plan for their life cycles, edge cases, interactions, and failure modes
• First principles thinking, Excellent problem-solving ability
• A good all-rounder with a can-do, startup mentality

• Experience with ReactJS
• Cloud deployment and scaling experience

Looking for enthusiastic tech driven individuals who can architect a web application, push pixels, design a web API, design a UI and optimize the backend for scalability. Should be thrilled to deep dive into the field of Location Intelligence. 

Hiring for the role of  Backend Developer for our Development team. Apply if you are keen to explore how data-tech is changing the decision intelligence landscape.

Sociometrik is a geospatial data intelligence start-up based out of New Delhi, India - founded in 2019 with the mission of redefining data-backed executive decision making. We measure and quantify physical earth, built structures and human activity using multi-channel data sources like satellite imagery, smartphone mobility, web records and administrative data to power alternative data-based decision support systems for our clients.

• Write effective, scalable and reusable code
• Participate in system design and architecture discussions
• Collaborate with Product Owner to identify optimal ways to implement new features & product enhancements.
• Coordinate with internal teams to understand user requirements and provide technical solutions.
• Create UI mock-ups and transform them into quality product features consistent with the Product Owner’s vision.

• Minimum 3 years of work experience as a backend developer
• Minimum 3 years experience in Node.js
• Must have Experience working in a Typescript codebase
• Experience with Leaflet.JS, Google Maps API, or Geospatial projects are a "Nice to Have"
• Exposure to deck.gl is “Good to Have”.
• Proficiency with HTML, CSS, JavaScript and jQuery
• Must have Experience collaborating in a team environment

• An analytical bent of mind
• Good time management skills
• Curiosity for learning
• Creative vision
• Team spirit and good problem-solving skills

Hiring Process

Below is our hiring process for this position. We will reach out or send a rejection notice to most candidates within 1-5 business days of applying. Sociometrik promises to value your time and professionalism in every step of the process.

• Quick Screening 
• Interview with Technical Lead

• Final Interview with Leadership

Mogi I/O (www.mogiio.com), a Delhi based video delivery SaaS venture, is looking for a Full-stack /mean stack developer, both for an internship role.

A candidate should be high performance, high energy. He would work on core video and image tech. Should be a hands-on Full Stack or mean stack coder.

Experience – Any experience in Back end working on NodeJs and MongoDB.

Some core requirements -

• Should be a hands-on Back end- NodeJs and MongoDB, with experience in building real world applications.
• Highly curious, ability to learn and implement new technologies independently
• High ownership and impact-driven, capable of juggling multiple things
• Effective team player, able to mentor and learn from teammates.

Technical Proficiency - MongoDB, Node.js

Location – Work from Office (Saket, Delhi)

Compensation -

10k-12k per month based on interview performance and skill set, opportunity to convert to full time post internship completion.

Pre-Placement Offer(Performance based).

Desired candidates must have 3-6 years of experience as NodeJs Developers.

If the candidate cannot relocate to Gurgaon, we can also provide permanent Work from home for this position.

Roles and responsibilities:

• Responsible for understanding functional and business requirements and translate them into effective code
• Provide support till deployment of code into production.
• Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
• Implement solutions as per the pre-defined framework /guidelines and adherence to processes
• Finding an optimal solution for the problem statement
• Conduct peer code review.

What candidate should know about:

• Excellent hands-on experience with Node.Js, Express.Js, JavaScript
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
• Ability to build REST services, Authentications, MVC applications
• Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
• Experience with Elastic Search, Redis.
• Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
• Self-learning abilities are required
• Familiarity with upcoming new technologies is a strong plus