- Highly proficient in JavaScript and Typescript, PassportJs, Sequelize.
- Working knowledge of Node.js frameworks such as ExpressJs, SailsJs, VueJs and ElectronJs.
- Good understanding of server-side templating languages such as Jade, EJS, Mustache etc.
- Good understanding of server-side CSS preprocessors such as Stylus, Less,Sass etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Sound knowledge of Testing frameworks such as Mocha, Chai, Jasmine, Cucumber etc.
- Experience of writing unit, integration and E2E tests.
- Experience of working with SQL databases.
- Experience of integrating third party APIs.
- Good understanding of code versioning tools, such as Git.
- Good Communication Skills.

About Jellyfish Technologies Pvt Ltd
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Responsibilities
Solve complex performance problems and architectural challenges
Build reusable code and libraries for future use
Build efficient, testable, and reusable Node JS modules
End-to-end ownership of modules, including designing, development, validation, deployment
Specifications:
Understanding the fully synchronous behavior of NODE JS.
Familiarity with One OOPS language
Familiarity with Workers/child processes & performance tuning
Experience with SQL/NoSQL databases and their declarative query languages (MySQL, and Mongo dB)
Strong knowledge of the common NODE JS or web server exploits and their solutions
Experience -
2-6 Year Qualifications Desired Skills NodeJS, HTML, CSS, Angular/React, JavaScript, Web Application Development, SQL/NoSQL
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.


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
Responsibilities
- Produce clean, efficient code based on specifications
- Integrate software components and third-party programs
- Verify and deploy programs and systems
- Troubleshoot, debug and upgrade existing software
- Gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
Requirements and skills
- 1-3 Years of Proven experience as a Backend Developer
- Tech Stack:
- AWS- Lambda, ECS, RDS Arora, RDS PostgreSQL, DynamoDB, S3, SQS, APIG, Cloud Front
- NodeJS
- Typescript(optional)
- Familiarity with Agile development methodologies
- Experience with software design and development in a test-driven environment
- Ability to learn new languages and technologies
- Excellent communication skills
- Resourcefulness and troubleshooting aptitude
- Attention to detail
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!

We are looking to hire a talented ruby on rails developer to manage the interchange of data between our users and the server. You will be responsible for developing and maintaining the server-side logic for the central database, testing performance, troubleshooting, and integrating front-end elements into the application.
To ensure success as a ruby on rails developer, you should have extensive experience working with ruby and back-end integration techniques. Ultimately, a top-level ruby on rails developer can create clean, functional code that perfectly suits the needs of the company.
Ruby on Rails Developer Responsibilities:
- Designing and developing new web applications.
- Maintaining and troubleshooting existing web applications.
- Writing and maintaining reliable Ruby code.
- Integrating data storage solutions.
- Creating back-end components.
- Identifying and fixing bottlenecks and bugs.
- Integrating user-facing elements designed by the front-end team.
- Connecting applications with additional web servers.
- Maintaining APIs.
Ruby on Rails Developer Requirements:
- Bachelor’s degree in computer science, computer engineering, or related field.
- Experience working with ruby on rails as well as libraries like Resque and RSpec.
- Ability to write clean ruby code.
- Proficiency with code versioning tools including Git, Github, SVN, and Mercurial.
- Experience with AngularJS or BackboneJS.
- Familiarity with MVC, Mocking, RESTful, and ORM.
- Good understanding of front-end technologies including HTML5, JavaScript, and CSS3.
- Knowledge of server-side templating languages including Slim and Liquid.
- Familiarity with testing tools.
About Vymo
Vymo is a Sanfrancisco-based next-generation Sales productivity SaaS company with offices in 7 locations. Vymo is funded by top tier VC firms like Emergence Capital and Sequoia Capital. Vymo is a category creator, an intelligent Personal Sales Assistant who captures sales activities automatically, learns from top performers, and predicts ‘next best actions’ contextually. Vymo has 100,000 users in 60+ large enterprises such as AXA, Allianz, Generali.Vymo has seen 3x annual growth over the last few years and aspires to do even better this year by building up the team globally.
What is the Personal Sales Assistant
A game-changer! We thrive in the CRM space where every company is struggling to deliver meaningful engagement to their Sales teams and IT systems. Vymo was engineered with a mobile-first philosophy. The platform through AI/ML detects, predicts, and learns how to make Sales Representatives more productive through nudges and suggestions on a mobile device. Explore Vymo https://getvymo.com/">https://getvymo.com/
What you will do at Vymo
From young open source enthusiasts to experienced Googlers, this team develops products like Lead Management System, Intelligent Allocations & Route mapping, Intelligent Interventions, that help improve the effectiveness of the sales teams manifold. These products power the "Personal Assistant" app that automates the sales force activities, leveraging our cutting edge location based technology and intelligent routing algorithms.
A Day in your Life
- Design, develop and maintain robust data platforms on top of Kafka, Spark, ES etc.
- Provide leadership to a group of engineers in an innovative and fast-paced environment.
- Manage and drive complex technical projects from the planning stage through execution.
What you would have done
- B.E (or equivalent) in Computer Sciences
- 6-9 years of experience building enterprise class products/platforms.
- Knowledge of Big data systems and/or Data pipeline building experience is preferred.
- 2-3 years of relevant work experience as technical lead or technical management experience.
- Excellent coding skills in one of Core Java or NodeJS
- Demonstrated problem solving skills in previous roles.
- Good communication skills.
• 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 and Database structure
• Experience integration of data storage solutions like MongoDB and NoSQL cloud data store.

Job Description
Responsibilities:
- Writes high quality code & unit tests, builds, tests as per agreed timelines
- Participates in technical design and provides estimation
- Owns one or more small to medium features
- Becomes a go-to person in at least one area
- Communicates clearly and gets clarification upfront to minimize rework. Knows when to ask for help to unblock.
- Consistently follows and promotes SDLC best practices: Coding standard, testing, code reviews, code comments etc.
- Exhibit strong problem solving skills, helps other developers and demonstrates teamwork
Requirements:
- Understands detailed requirements and demonstrates excellent problem solving skills
- Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
- Excellent programming skills in ROR, Golang, NodeJS, Python
- Strong communication skills
- Strong sense of ownership, drive and ability to deliver results
- 4+ years of experience in product driven organization
- A Bachelors or Masters degree in engineering from a reputed institute
- Experience in Golang, RoR, Unity, ML or Python will be an added advantage

Job requirements
- A strong engineer with excellent Ruby experience working with Ruby on Rails
- Experience with Node.js
- Experience with SQL/nosql databases(Postgresql, cassandra, MongoDB)
- Experience with REST services and API design
- Experience with building the system for scale
- Experience with version control systems (bitbucket, git etc.)
- Experience working with AWS
- Experience with docker/microservices will be an added advantage
- Knowledge of unit & integration testing
- Knowledge of agile development process, jira
- Strong knowledge of algorithms and Data structures
- Basic understanding of the HTTP protocol
- Demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
- Knowledge of blockchain technology, smart contracts and cryptocurrency will be an added advantage
- Experience in fintech domain will be another added advantage
- Bachelor’s degree in computer programming, computer science, or a related field.
- Fluency or understanding of specific languages, such as Java, PHP, or Python, and operating systems may be required.
- 3+ years of experience with Ruby On Rails.
- Strong Project & Time Management Skills, along with the ability to apply these skills while working independently, or as part of a team.

