
Experience working with ExpressJS
Good Understanding of OOPS , Data Structure and Algorithms is required

Similar jobs
Job Description – Backend Python Developer(Mid-Level)
📍 Location: Mumbai/Gurgaon | Full-time
Backend Python Developer
Role Overview
We are seeking a skilled Backend Python Developer to design, develop, and maintain backend services, APIs, and integrations that power our AI-driven automation solutions.
You will collaborate closely with senior engineers, AI/ML teams, and frontend developers to build scalable, high-performance systems. This role is ideal for professionals with solid backend experience who are eager to deepen their expertise in Python, cloud technologies, and AI-based applications.
Key Responsibilities
- Develop and maintain backend APIs, services, and system integrations using Python
- Collaborate on system design and architecture discussions with senior engineers
- Write clean, scalable, and well-documented code following best practices
- Ensure performance, scalability, and reliability in cloud environments
- Design and manage SQL/NoSQL databases for structured and unstructured data
- Support integration of AI/ML models into production workflows
- Participate in code reviews, unit testing, and debugging
- Contribute to CI/CD pipelines, containerization, and DevOps processes
Required Skills & Qualifications
- 3–5 years of experience in backend development
- Strong proficiency in Python
- Hands-on experience with frameworks such as FastAPI, Flask, or Django
- Experience building and consuming REST APIs (GraphQL is a plus)
- Strong database knowledge: PostgreSQL, MySQL, MongoDB, or Redis
- Familiarity with cloud platforms (AWS, GCP, or Azure)
- Hands-on experience with Docker and Kubernetes
- Strong understanding of OOP, data structures, algorithms, and design patterns
Preferred Skills
- Exposure to AI/ML workflows or a strong interest in learning
- Experience with message brokers such as Kafka, RabbitMQ, or Celery
- Knowledge of asynchronous programming (asyncio, Celery, etc.)
- Experience with unit testing frameworks (PyTest, unittest)
- Understanding of API security and authentication (OAuth2, JWT)
What We Offer
- Competitive compensation with growth opportunities
- Opportunity to work on AI-first automation products used globally
- Mentorship from experienced senior engineers
- Flexible work environment
- Continuous learning support in Python, Cloud, and AI/Automation technologies
BACKEND DEVELOPER JOB DESCRIPTION
Job Title: Backend Developer - Node.js & MongoDB
Location: Hyderabad
Employment Type: Full-Time
Experience Required: 3–5 Years
About Us
Inncircles – THE INNGINEERING COMPANY
We are a forward-thinking construction-tech innovator building CRM solutions that manage crores of records with precision and speed. Our mission is to revolutionize the construction domain through scalable engineering and robust backend systems. Join us to solve complex challenges and shape the future of data-driven construction tech!
Job Description
We are hiring a Backend Developer with 3–5 years of hands-on experience in Node.js and MongoDB to design, optimize, and maintain high-performance backend systems. You will work on large-scale data processing, external integrations, and scalable architectures while ensuring best coding practices and efficient database design.
Key Responsibilities
Backend Development & Optimization
- Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.
- Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.
- Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.
- Scalability & Performance
- Implement horizontal and vertical scaling strategies to handle growing data and traffic.
- Optimize database performance through indexing, aggregation pipelines, and query tuning.
- External Integrations & Debugging
- Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.
- Debug and resolve complex issues in production environments with a systematic, data-driven approach.
AWS & Cloud Services
Work with AWS services like Lambda (serverless), SQS (message queuing), S3 (storage), and EC2 (compute) to build resilient and scalable solutions.
Collaboration & Best Practices
Collaborate with frontend teams to ensure smooth API integrations and data flow.
Document code, write unit/integration tests, and enforce coding standards.
Mandatory Requirements
3–5 years of professional experience in Node.js and MongoDB.
Expertise in:
- MongoDB: Collection design, indexing, aggregation pipelines, replica sets, and sharding.
- Node.js: Asynchronous programming, middleware, and API development (Express.js/Fastify).
- Query Optimization: Writing efficient queries for large datasets (crores of records).
- Strong debugging skills and experience in resolving production issues.
- Hands-on experience with external integrations (APIs, SDKs, webhooks).
- Knowledge of horizontal/vertical scaling techniques and performance tuning.
- Familiarity with AWS services (Lambda, SQS, S3, EC2).
Preferred Skills
- Experience with microservices architecture.
- Knowledge of CI/CD pipelines (GitLab CI, Jenkins).
- Understanding of Docker, Kubernetes, or serverless frameworks.
- Exposure to monitoring tools like Prometheus, Grafana, or New Relic.
Why Join Inncircles?
Solve large-scale data challenges in the construction domain.
Work on cutting-edge cloud-native backend systems.
Competitive salary, flexible work culture, and growth opportunities.
Apply Now:
If you’re passionate about building scalable backend systems and thrive in a data-heavy environment, share your resume and a GitHub/portfolio link showcasing projects with Node.js, MongoDB, and AWS integrations.
Inncircles – THE INNGINEERING COMPANY
📍 Hyderabad | 🚀 Building Tomorrow’s Tech Today
Requirements:
- Should be a go-getter, ready to shoulder more responsibilities, shows enthusiasm and interest in work.
- Excellent core Python skills including threading, dictionary, OOPS Concept, Data structure, Web service.
- Should have work experience on following stacks/libraries: Flask
- Familiarity with some ORM (Object Relational Mapper) libraries
- Able to integrate multiple data sources and databases into one system
- Understanding of the threading limitations of Python, and multi-process architecture Familiarity with event-driven programming in Python
- Basic understanding of front-end technologies, such as Angular, JavaScript, HTML5 and CSS3
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Understanding of accessibility and security compliance
Experience in both RDBMS(MySQL), NoSQL databases (MongoDB, HDFS, HIVE etc) or in-memory caching technologies such as ehcache etc is preferable
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for a Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.
Responsibilities:
- Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
- Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
- Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
- Responsible for architecture and design decisions
- Own stability and performance of the service that you work on
- Work with the Engineering Manager to ship stable software on time
- Contribute to the vision and long-term strategy in your area of expertise
Requirements:
- 2+ years of experience in a technical lead role designing and building complex backend systems
- 5+ years of professional software development experience
- Excellent knowledge of best practices and coding patterns
- Deep knowledge of backend programming languages like Python and web application frameworks like Django
- Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
- Extensive experience with Linux/UNIX production environments
- Strong sense of quality in terms of both program architecture and code style
- Passion to dig into technically complex problems to troubleshoot and figure out a solution
- Desire to continuously improve and ship the best quality product
- Pragmatic approach to make sure technical decisions align with actual business needs.
- Good understanding of the trade-offs when building for product value, reliability, or performance
- Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
- An engineering degree is a must(B.E. CS preferred)
Roles and Responsibilities
SponsifyMe Technologies(EasyLeadz) is looking for a CakePHP/PHP Developer.
- Helping senior developer build bank end and front end services and products.
- You will also be responsible for integrating third party API's into the application. A basic understanding of front-end technologies is necessary as well.
- Knowledge of python and mongodb will be an added advantage.
The role is hybrid i.e both in office and work from home for rest of the days.
We have a product EasyLeadz used by over 80000 businesses worldwide, software subscription.
We are expanding our team to grow it further.
Desired Candidate Profile
A minimum of 1 year of experience working in PHP. Ideally MongoDB and Restful API too.
Perks and Benefits
- Market standard salary
- Work from home till covid restrictions are in place, hybrid work environment later on.
- No pressure, only Monday to Friday work
- Working with a fast growing company that already serves 95,000+ customers globally including Microsoft, Amazon.
- Working directly with the founder & CTO of the company.
● Experience in design, development, and deployment of the
application.
● Knowledge of Restful Web-Services, JSON, HTTP, Networking
protocols
● Knowledge of MVC architecture.
● Mandatory Tech Skills: PHP, NodeJS, JavaScript, SQL, NoSQL,
GIT.
● Good to Have: Laravel, Express, AWS
● Basic understanding of HTML, CSS
Hello to the Amazing Devs out there,
We're ToastApp. We're on a mission to revamp the Dine-In experience for the customers as well as for the restaurants.
We're growing rapidly and this search for a new techie is to enable us and push for exponential growth. This is where you come in. You're a proactive, sharp and self-motivated individual who is eager to learn and take ownership across our applications. You love communicating and working with others in your team towards success, taking us from where we are now to where we want to be!
Our ideal candidate has:
Strong knowledge of Python (3+ years)
Experience with Redis and queues (Celery/Dramatiq)
Strong knowledge of MongoDB and PSQL DBs
Experience with modern APIs based on REST (Flask, FastAPI)
Fluent English and excellent communication skills
Passion for writing clean code and tests
Nice to have:
Experience creating products for developers, data engineers and/or data consumers
Experience with ElasticSearch
Hands-on approach and is proactive
A keen eye for detail, striving for perfection
Our tech stack:
Python, Flask
Redis
RabbitMQ
Mongo, MySQL
Github
On a typical day, you will:
Uphold our high engineering standards and bring consistency to our product development
Create and develop new functionalities as well as maintain existing ones
Write clean and scalable code
Write code-reviews
Learn best practices from other team members
Benefits:
Our team is based out of Hyderabad. We believe the best work happens when given lots of uninterrupted time that's free of distractions.
8L - 28L Based on experience
ESOPs
22 days holidays
Performance-based Quarterly Bonus
Responsibilities:
- Responsible for developing Web Applications/ Rest Apis/ Automation Scripts.
- Design, Develop, Enhance and test Back End Web Modules using Nodejs, Nestjs Framework, Mongo DB.
- Research and explore existing solutions, competition to get a holistic understanding of the design and development.
- Communicate and collaborate effectively with various teams for effective outcomes.
- Meet deadlines in a high intensity work environment.
- Write Highly scalable and stable code.
- Pick up any project & amp; suggest a solution for completing it.
- Write production ready code with minimal bugs.
- Review other engineers' code and provide constructive feedback.
- Help grow the engineering team through involvement in the technology community (conferences, meetups, blog posts, open-source projects, etc) and referrals.
- Monitor changes in production & amp; rollback if necessary.
- Pair often and provide some guidance to more junior engineers.
Requirements:
- 2-6 years of working experience in backend technologies.
- Proficient in NodeJs, NestJs, Js.
- Understanding of Backend End Technologies.
- Proficient in RESTful APIs and API Communications.
- Understanding of Sql and NoSql Databases.
- Good grasp of Asynchronous Programming and its work arounds.
- Database schema Creation for business process.
- Working knowledge in user authentication and authorization.
- Implementing data protection Error Handling skills
- Good at analyzing and solving problems.
- Passionate to work in a start-up.
- Knowledge of firebase authentication and analytics.
- Knowledge of AWS deployment tools and strategy.
- Should be good with the Low Level and High Level Design.
- Understanding of Different Design Patterns.
- 1-3 years of production-grade experience in Go Language Developer
- Strong knowledge of Go programming language, paradigms, constructs, and idioms
- Knowledge of common Goroutine and channel patterns
- Experience with the full site of Go frameworks and tools, including:
- Dependency management tools such as Godep, Sltr, etc.
- Go's templating language
- Go's code generation tools, such as Stringer.
- Popular Go web frameworks, such as Revel
- Router packages, such as Gorilla Mux
- You must have the ability to write clean and effective code comments
- You must be familiar with the following Databases
- MySQL,MongoDB,Redis
- You must be familiar with RESTful APIs
- Understanding of Docker,Kubernetes is a bonus
- You must be familiar with code versioning tools such as Git
- Understanding of Front-end Technologies such as React.js & Next.js is a bonus
Educational:
- B. Tech / B. E in Computer Science or related field or MCA








