
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
Candid answers by the company
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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What we are looking
- You must have experience in Python, including development of microservices using flask/fastapi/sanic.
- You hold knowledge of at least one Python web frameworks
- You have experience in NoSQL databases such as MongoDB
- You are familiar with relational databases and unstructured data.
- You are familiar with some ORM (Object Relational Mapper) libraries.
- You have prior exposure to code versioning tools such as Git.
- You understand fundamental design principles behind a scalable application
Good to have
- Experience in cloud services such as AWS
- Knowledge of user authentication and authorization between multiple systems, servers, and environments
- Understanding of the threading concepts in Python and multi-process architecture
What you'll do
- Create database schemas that represent and support business processes
- Integrate multiple data sources and databases into one system.
- Develop and integrate RESTful APIs and services for business use cases
- Perform unit and integration tests on developed modules


Job Description:
We are seeking a skilled and experienced PHP Developer with a minimum of 5 years of professional experience to join our dynamic team. As a Senior PHP Developer, you will play a key role in designing, developing, and maintaining high-quality web applications while collaborating with cross-functional teams.
Job Responsibilities:
- Conducting analysis of website and application requirements.
- Writing back-end code and building efficient PHP modules.
- Developing back-end portals with an optimized database.
- Integrating data storage solutions.
- Responding to integration requests from front-end developers.
- Finalizing back-end features and testing web applications.
- Updating and altering application features to enhance performance.
- Troubleshoot and fix any issues relating to PHP programs.
- Ensure smooth operations of web processes and infrastructure.
- Create scripts to facilitate client systems to meet performance and objectives.
- Test and develop software for client applications.
- Create documentation for software created.
- Utilize source debuggers and write or modify client software.
- Produce results effectively and within the deadlines set.
Required Skills:
- Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
- Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
- Understanding of object-oriented PHP programming.
- Familiarity with SQL/NoSQL databases.
- Good problem-solving skills.
- Strong analytical and problem-solving skills
- Creative ability to produce effective solutions to client problems
We are looking for a Node JS developer interested in building high performance back end using PostgreSQL. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.
Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build Fin Tech logic with super clean code with appropriate error handling
- Integration of user-facing elements developed by front-end developers with server side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions - Postgresql
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).
1. Ability to work in a fast-paced environment with minimal supervision
2. Experience in Agile development using JIRA, GIT, Confluence.
3. 3+ years of Experience in node.js + Express.
4. Experience in profiling, debugging & troubleshooting Node.js processes.
5. Strong Experience as a backend developer for REST API design.
6. Strong knowledge of SQL/NoSQLdatabases like PostgreSQL / MySQL or MongoDB
7. Understanding accessibility and security compliance
8. Understanding fundamental design principles behind a scalable application.
9. User authentication and authorization between multiple systems, servers, and
environments.
Recently Expertrons raised a funding of $2.3 Mn in the Pre Series A round witnessing investors like Yoga Capital, Venture Catalysts, Auxano Capital, and existing investors LetsVenture, Ivycap Ventures, Iceland Venture Studios, Nikhil Vora (MD, Sixth Sense), and more.
Website: https://www.google.com/url?q=https://www.expertrons.com/&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNHrV5rXdGMrOg122V0uheUES199uw">https://www.expertrons.com/
Expertrons Android App: https://www.google.com/url?q=http://bit.ly/expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNGPySWJi-oUbq2znsqtcN9KMxdcnQ">bit.ly/expertrons
Product Demo Video: https://www.google.com/url?q=https://bit.ly/ProductDemo_Expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNEszDynXjNJRxVfeuhH95YB9WcI8Q">https://bit.ly/ProductDemo_Expertrons
Watch Explainer Video: https://www.google.com/url?q=https://bit.ly/Explainer_Expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNGSyGd1xSX8DaQcCv2jj0Kr8hzgUg">https://bit.ly/Explainer_Expertrons
It is good to have an understanding of Design Patterns and mandatory OOP principles
Role:
1. Passionate software developer with 3+ years of hands-on software application development experience
2. Experience designing and developing service-based architectures, microservices, and cloud-native applications
3. Demonstrated Experience or good understanding in Cloud Computing using AWS, GCP or other cloud providers
4. Containerization experience with applications deployed on Docker or Kubernetes
5. Demonstrated knowledge of Distributed and Scalable systems
6. Experience with Git or other version control systems Test-driven development (TDD)
7. Ability to quickly adapt & independently work in a fast-paced Agile environment with minimum supervision
8. Excellent communication and interpersonal skills. Articulates thoughts and ideas clearly, concisely, and persuasively
9. A self-starter with demonstrated ability to take initiative, who can proactively identify issues/opportunities and recommend action
Responsibilities:
1. Design and develop highly scalable, highly available, reliable, secure, and fault-tolerant systems with minimal guidance for one of the fastest-growing companies in India
2. Translate business requirements into scalable and extensible design
3. Pair with team members on functional and non-functional requirements and spread design philosophy, goals and improve the code quality across the team
4. Partner with the product management team to define and execute the feature roadmap
5. Coordinate with cross-functional teams (Mobile, UX, etc.) on planning and execution.
6. Proactively manage stakeholder communication related to deliverables, risks, charges, and dependencies
7. The building of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end
Skill Requirements:
1. Understanding of JavaScript/Object-Oriented JS
2. Hands-on Node JS and related frameworks such as Express.js.
3. Good hold on MongoDB and Redis caching.
4. Experience in Unit testing frameworks like Mocha/Chai.
5. Proficient understanding of code versioning tools, such as SVN or GIT
6. Worked on API-driven micro-services architecture
You can apply for the position:
1. Preferred available for full-time in-office employment (Office Location - Andheri, Mumbai)
2. Preferred work from office
3. Preferred Can join immediately
4. Preferred a personal laptop
5. Have the relevant skills and interests
Rewards:
1. Entrepreneurial Exposure
2. Letter of Recommendation
3. Become a part of an elite group of innovators
4. ESOP opportunity based on Interview interaction
5. Grow up to 10X in 3 years
The idea is not to live forever, but to create something that will!
Be a part of our growing team and climb up the ladder of success. So, if you have the expertise, skills, quirks that can help you add value to Expertrons, then apply with us, now!


Skills Required for Back-End (NodeJS) JR Developer (2-4 Yrs) /Sr Developer (4-8 Yrs) /Lead Developer (8-10 Yrs) /Architect (10-12 Yrs):
- Must: Strong experience and understanding of NodeJS and JavaScript Programming, Good at Native Cloud or AWS
- Good knowledge of MongoDB or any other NoSQL Database, Redis, Elasticsearch, etc.
- Good understanding of scalable computing systems, software architecture, data structures, and algorithms.
- Experience working with AWS or other cloud providers
- Experience in service-oriented and/or microservice architectures
- Good to have knowledge with stream processing applications, Event-driven Architecture, Identity management (OAuth) - Not Mandatory
- Good knowledge of Redis, its data types, and their use cases along with a server-side framework
- Experience developing and deploying REST APIs.
- Good to have an understanding of low-level Kafka inner workings and partitioning schemes - Not Mandatory
Responsibilities:
- Design, build, review and evolve durable, highly scalable event-driven infrastructure
- Architect and lead the development of backend services.
- Work with REST APIs and integrating them with our software platform
- Develop front end capabilities such as dashboards, visualizations, features
- Work on building best performance UI features and linking with backend
- Integrate all the front end features with a backend pipeline
- Integrate our AI models with the platform pipeline
- Work on bug fixing and improving application performance
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Own new initiatives, Debug production issues
- Help define the way we work in the future including coding and design standards
- Work effectively in an agile development process
- Research cutting edge technology that can be applied to accelerate business growth
- Be the communication bridge be product owners and development teams




