Senior Backend Developer at QuickSell · Mumbai · 5 - 8 years · ₹10L - ₹15L / yr · Posted 6 Sep 2022

document, build, and deploy RESTful JSON APIs with continuous uptime and minimal latency.
Roles and Responsibilities:
-Building API services using NodeJS Express and related frameworks
Expert level understanding of NodeJS asynchronous runtime
Expert level understanding of Javascript concepts on callbacks and closures
Experience with Postgres, NoSQL, Redis, and Firebase Realtime database
Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda,
API Gateway, SQS, etc
Understanding of patterns and techniques for building scalable back-end
infrastructure including caching, rate limiting, authentication, and authorization
schemes.
Experience in building highly scalable and high throughput services with
millisecond response times
Experience working in a collaborative team environment
Excellent communication & interpersonal skills
Willingness to learn and pick up new technology along with patience to mentor.
NOTE- Candidates only from PRODUCT BASED companies will be preferred. Location is Mumbai and its Work from Office.

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🚀 Hiring: Python Developer
⭐ Experience: 2+ Years
📍 Location: Mumbai
⭐ Work Mode:- 5 Days Work From Office
⏱️ Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
Looking for a skilled Python Developer with experience in Django / FastAPI and MongoDB / PostgreSQL.
⭐ Must-Have Skills:-
✅ 2+ years of professional experience as a Python Developer
✅Proficient in Django or FastAPI
✅Hands-on with MongoDB & PostgreSQL
✅Strong understanding of REST APIs & Git
Job Title: Associate Backend Engineer
Job Summary:
We are looking for an enthusiastic and motivated Associate Backend Engineer with 1 to 2 years of experience to join our growing engineering team. Whether you're a recent graduate or have some industry experience, this role offers a strong foundation to grow your skills in real-world backend development. You’ll work closely with experienced engineers and contribute to the design, development, and maintenance of scalable backend systems that power our products.
This position is ideal for individuals who are eager to learn, write production-grade code, and grow into a high-performing backend engineer.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Assist in building and maintaining backend services and APIs for web and mobile applications.
- Work with both relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases for data modeling and storage.
- Write clean, maintainable, and well-documented code under guidance.
- Contribute to authentication, authorization, and other core backend features.
- Collaborate with cross-functional teams including product, frontend, and QA to deliver complete features.
- Participate in code reviews and incorporate feedback to improve code quality.
- Debug issues, write unit/integration tests, and help maintain service reliability and performance.
- Learn to work with CI/CD pipelines, version control (Git), and deployment workflows.
- Use tools like Docker, basic cloud services (AWS/GCP/Azure), and optionally explore monitoring/logging tools.
- Explore new technologies such as GraphQL, WebSockets, or message queues (e.g., Kafka, RabbitMQ) when relevant.
Requirements:
- 1 to 2 years of backend development experience, including internships, academic projects, freelance, or open-source work.
- Familiarity with at least one backend programming language (e.g., Python, Java, Go, JavaScript, etc.).
- Basic understanding of RESTful APIs, HTTP, databases, and server-side logic.
- Exposure to SQL and NoSQL databases and understanding of CRUD operations.
- Familiarity with Git and fundamental development workflows.
- Willingness to learn and apply best practices in scalability, security, and asynchronous programming.
- Strong problem-solving mindset and eagerness to take feedback and grow.
- Good communication and collaboration skills in a team environment.
Responsibilities:
Design and develop server-side web applications using Node.js
Write high-quality, testable, and scalable code
Collaborate with cross-functional teams to identify and prioritize features
Implement and maintain software design patterns and architecture
Troubleshoot and debug applications
Optimize application performance and scalability
Participate in code reviews and provide constructive feedback to improve code quality
Stay up-to-date with the latest developments in web technologies and frameworks
Requirements:
2-4 years of experience in developing server-side web applications using Node.js
Strong proficiency in JavaScript, with a good understanding of its ecosystem
Experience with popular Node.js frameworks such as Express or Hapi
Familiarity with database technologies such as MongoDB, MySQL, or PostgreSQL
Knowledge of web security best practices and techniques
Experience with Git and other version control systems
Ability to work in a fast-paced, agile environment
Good communication and teamwork skills
If you meet these qualifications and are passionate about developing high-quality, scalable web applications, we encourage you to apply for this position.
Job description for Backend Developer:
If interested can forward your resume to (ambikadotjsemperfidotcodotin)
For more details contact 8a3a1a0a8a4a4a6a8a2
• Hands on experience in Springboot and good knowledge of MySQL, MongoDB
• Hands on experience in building RESTful based APIs
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability•
• Implementation of security and data protection
If you are a technology enthusiast, we have the perfect job for you! We are looking for Node.Js Developers to join our agile team of professionals.
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.
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.
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!
- 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













