
Senior backend developers
Minimum 5 years of experience
Backend skills: MongoDB, Node.js
Remote work available
(We prefer individual developers over agencies or IT providers)

About City Labs
About
City labs is a profitable company
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An all-in-one solution for the independent retailer:
- e-Commerce app
- Cashback loyalty program using our own CityCoin token
- Messaging
- and more
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Node.js Developer Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Node.js Developer Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.

Job description
We are looking for an experienced Python developer to join our engineering team and help us create dynamic software applications for our clients. In this role, you will be responsible for writing and testing scalable code, developing back-end components, and integrating user-facing elements in collaboration with front-end developers.
Responsibilities:
- Coordinating with development teams to determine application requirements.
- Writing scalable code using Python programming language.
- Testing and debugging applications.
- Developing back-end components.
- Integrating user-facing elements using server-side logic.
- Assessing and prioritizing client feature requests.
- Integrating data storage solutions.
- Coordinating with front-end developers.
- Reprogramming existing databases to improve functionality.
- Developing digital tools to monitor online traffic.
Requirements:
- Bachelor's degree in Computer Science, Computer Engineering, or related field.
- 2-7 years of experience as a Python Developer.
- Expert knowledge of Python and Flask framework and Fast API.
- Solid experience in MongoDB, Elastic Search.
- Work experience in Restful API
- A deep understanding and multi-process architecture and the threading limitations of Python.
- Ability to integrate multiple data sources into a single system.
- Familiarity with testing tools.
- Ability to collaborate on projects and work independently when required.
- Excellent troubleshooting skills.
- Good project management skills.
SKILLS:
- PHYTHON
- MONGODB
- FLASK
- REST API DEVELOPMENT
- TWILIO
Job Type: Full-time
Pay: ₹10,000.00 - ₹30,000.00 per month
Benefits:
- Flexible schedule
- Paid time off
Schedule:
- Day shift
Supplemental Pay:
- Overtime pay
Ability to commute/relocate:
- Chennai, Tamil Nadu: Reliably commute or planning to relocate before starting work (Required)
Experience:
- Python: 1 year (Required)
Work Location: In person
About Talent Litmus
- Talent Litmus is a game-based platform for assessments and learning founded by IIT Bombay, IIM Ahmedabad alumnus. We are a young, funded, growing and ambitious startup.
- Imagine if companies were to recruit candidates using interactive mobile games instead of tedious assessments. What if training sessions in organisations were not long 3-day workshops but gripping online role-playing games. We imagined it, and have made it a reality.
- We are using Games and Generative AI to make assessments nd learning at the workplace interesting.
Responsibilities
- Complete ownership of our web and mobile platform - from specification to design, development, and troubleshooting.
- Design and develop secure, scalable, performant and reliable systems.
- Create a framework of technical standards and procedures
- Collaborative work with other HR tech platforms to implement seamless integration.
- Rapid development and prototyping of new features.
Requirements
- Bachelors or higher degree in Computer Science or Mathematics 2 or more years of demonstrated successful experience in Full-Stack web development.
- Hands-on Experience with designing and building a high-quality front end for web applications.
- Experience with Node. JS, Angular JS, MongoDB, ExpressJS, NestJs, AWS(EC2, Route53, S3, CloudFront, Lambda), Docker, nginx.
- Experience with version control systems such as Git.
- Experience with Typescript Basic understanding and exposure to GEN AI tech.
- Bonus: experience with CI/CD, and game development (phaser.js, three.js, play canvas, etc. )
- Ability to have smart technical conversations and defend hypotheses with factual data.
- Candidates willing to work from home or from office in Mumbai
Company: Mart2global
Experience: 2 + years
Must be Knowledge in API,Soket IO,
Work in E-commerce Platform & Payment Gateway
Location: Ahmedabad
Recommendations are mostly appreciated.
Salary -30k to 90k
Job Description:
We are seeking a talented and experienced Backend Developer with a strong proficiency in Node.js and expertise in database management. As a Backend Developer, you will play a crucial role in the development and maintenance of our software systems, ensuring their high performance and responsiveness.
Responsibilities:
· Design, develop, and maintain backend services using Node.js.
· Collaborate with cross-functional teams to define software requirements and specifications.
· Optimize and scale applications for maximum speed and scalability.
· Implement security and data protection measures.
· Troubleshoot and resolve issues in a timely manner.
· Collaborate with front-end developers to integrate user-facing elements with server-side logic.
· Stay up-to-date with emerging technologies and best practices in backend development.
Requirements:
· Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent work experience).
· Minimum of 2 years of professional experience in Node.js development.
· Proficiency with databases, preferably MongoDB or DynamoDB.
· Strong understanding of RESTful API design and development.
· Experience with version control systems, such as Git.
· Familiarity with cloud platforms in AWS is a plus.
· Excellent problem-solving and debugging skills.
· Strong communication and teamwork skills.
· Ability to work independently and manage multiple tasks efficiently.
· Proven track record of delivering high-quality code on schedule.
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 2 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.


1 Good command in either Python(django) or Python (flask)
2 Has worked on large scale
3 Experience in building REST APIs
4 Proficiency with databases such as MySQL, Oracle and MongoDB
5 knowledge of Kubernetes, docker and deployment
We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing APIs, and integrating data storage and protection solutions.
Requirements
- Minimum of two years previous experience as a Node.js developer.
- Minimum of two years of experience developing applications using MongoDB.
- Minimum of one year of experience developing applications using ExpressJs.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
Responsibility
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of the APIs.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests and identifying bugs.
- Documenting Node.js processes, including database schemas.
- Recommending and implementing improvements to APIs.

