Hi All,
5- 12 years of experience designing and developing web applications and REST APIs (using MEAN/Nodejs or similar stacks). Specifically,
- Prior experience designing/developing Single Page WebApps and REST APIs from prototypes
- Ability to design API as per REST standards along with a good understanding of API security (Auth headers etc) and HTTP protocol
- Experience leading 1-2 engineers (mainly interns) in guiding them to complete web apps.
- Demonstrates curiosity and strong ownership of deliverables.
Work Location: Bangalore
Mode: Work from Office
www.goneutrinos.com
Regards
Team-HR

About Neutrinos Software Services Pvt.Ltd
About
We are a boot-strapped Rapid Application Development platform company founded by industry thought leaders in Johannesburg in 2015 and later expanded to India and Singapore. We currently work out of Johannesburg & Bangalore locations with a team of strong, enthusiastic, and self-driven individuals who strive to learn and contribute every day and bring unique value into the table. We have large enterprises as our customers and a rich stack of partners across the globe that completes our ecosystem.
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Job Title: Software Engineer (Node.js)
Experience: 4+ Years
Location:Pune
About the Role:
We are looking for a talented and experienced Node.js Developer with a minimum of 4 years of hands-on experience to join our dynamic team. In this role, you will design, develop, and maintain high-performance applications. You should be passionate about writing clean, efficient, and scalable code.
Key Responsbilities:
- Develop and maintain secure, scalable, and high-performance server-side applications.
- Implement authentication, authorization, and data protection measures across the backend.
- Follow backend best practices in code structure, error handling, and system design.
- Stay up to date with backend security trends and evolving best practices.
Mandatory skills:
- Strong hands-on experience in Node.js development (4+ years).
- Knowledge of security best practices in backend development (e.g., input validation and sanitize, secure data storage).
- Familiarity with authentication and authorization methods such as JWT, OAuth2, or session-based auth.
Good to Have Skills:
- Experience with React.js for building dynamic user interfaces.
- Working knowledge of Python for scripting or backend tasks.
Qualifications
- Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
Required Soft Skills:
• Verbal Communication
• Written Communication
• Cooperation, Teamwork & Interpersonal Skills
• Customer Focus & Business Acumen
• Critical Thinking
• Initiative, Accountability & Result Orientation
• Learning and Continuous Improvement
Overview
At Quizizz, we are building engaging learning experiences for teachers and students. Our mission is to motivate every learner and help them achieve their true potential. We are among one of the fastest-growing Edtech platforms globally and are currently used by 80% of the US schools every month, serving over 70M monthly actives around the world. Our goal is to reach every classroom around the world.
Quizizz has a passionate user base—We have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform. Check out our https://twitter.com/search?f=tweets&vertical=default&q=quizizz&src=typd" target="_blank">Twitter page to see all the love shared by our users.
We are a venture-backed and profitable company creating a meaningful impact in K-12 education. We are a small, passionate, global team working on challenging problems to improve education. Look forward to using the latest technologies, fast development, and interacting with users to build delightful product experiences.
What the future holds
- You will architect, build, scale, backend system that powers our applications which are loved and used by millions of learners every day.
- You will work closely with a cross-functional team consisting of strategy, design, development, and program managers to determine how to design scalable backend systems and APIs to meet their needs.
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Requirements
- You will be utilizing technologies like Redis and Websockets to create a high-reliability, low-latency API that will handle massive multiplayer sessions.
- You will be building a database layer using MongoDB to efficiently store/retrieve large amounts of data.
- You will be setting up suitable backup and redundancy measures for maintaining 100% uptime for all our mission-critical services.
- You will be logging all data, and setting up jobs to generate analytics reports that will drive all our decisions.
Benefits
At Quizizz, we have built a world-class team of talented individuals. While we all care deeply about our work, we also ensure that we maintain a healthy work-life balance. Our policies are designed to ensure the well-being and comfort of our employees. Some of the benefits we offer include:
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support including travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious Meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.
Responsibilities:
- Ability to work in an existing codebase and collaborate with a diverse team
- Experience in building enterprise-scale backend REST APIs with frameworks such as Nest.js & Express.js using an API-first paradigm
- Intimate knowledge of crafting highly performing database queries
- Hands-on experience implementing relational database structures, including tables, indexes, views, etc.
- A mindset towards building systems for the cloud and DevOps fundamentals
- Working knowledge of cloud infrastructure services is good to have. If not then willingness to learn should be there.
- Focus towards building security, performance, and scalability into services from the beginning
- Experience with debugging code and troubleshooting technical issues in order to craft appropriate solutions
Review requirements, design specifications and propose solution and have discussion before implementation
Work with team leads on the requirements and create estimates against those requirements
Deliver projects on time in an agile and continuous development environment
Writing tests in a client-side test framework such as Jest, Jasmine, Mocha, etc.
Work withQA team for resolving issues
Report status with tools like JIRA to stakeholders
Requirements:
- 3-5 years of work experience developing complex software
- Minimum 2years sound experience with back-end development in Java-script frameworks like loopback, Express, etc
- A solid understanding of core Javascript principles and its fundamentals
- Familiarity with popular Javascript tools, frameworks and design principles, and enjoy staying up to date with the changing Javascript ecosystem
- Strong communication skills across the board, with a passion for finding and sharing best practices and driving.
Skills:
- Javascript • Node • Express • Loopback • OAuth • API Development
- Plus Points • Knowledge of Go, Ruby, Python, Closure or any other languages • Test Driven Development (TDD) • Knowledge of front-end development
2. Completely responsibile for architecture, wireframe, frameworks, coding, UI/UX, Database, Security, privacy etc.
3. Developing Android and Web Applications.
4. Responsible for cost optimzation and scalability of the product.
5. Preparing and presenting reports related to product development

● You’ve been building the backend for web applications.
● You have experience with any of these backend programming languages --
Python, NodeJS or Java.
● You write an understandable, testable code with an eye towards
maintainability.
● You are a strong communicator. Explaining complex technical concepts to
designers, support, and other engineers is no problem for you.
● You possess strong computer science fundamentals: data structures,
algorithms, programming languages, distributed systems, and information
retrieval.
● You have completed a bachelor's degree in Computer Science, Engineering or
related field, or equivalent training, fellowship, or work experience.
Responsibilities / Requirements:
● Be hands-on implicated in the design and implementation of NestJs REST APIs.
● Work with DevOps engineers to scale and optimise NestJs micro-services.
● Must have an excellent understanding of how the web works.
● Extensive knowledge of OOP, Design Patterns, and SOLID Principles.
● Familiar with modern engineering practices: coding standards, code reviews, continuous deployment, automated testing.
● Must be willing to constantly learn new things.
● Knowledge of algorithms and data structures.
Technologies:- • Nestjs • TypeScript 3. MySQL • Docker • Kafka
Knowledge of NestJS would be preferable.

Good knowledge and experience of working with backend systems;
designing server-side architecture, including production maintenance experience are must-haves.
At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).
Understanding of micro-services oriented architecture.
Experience with Databases design (SQL, NoSQL) and analytics
Experience in driving and delivering complex features/software modules from technical design to launch.
Expertise with unit testing & Test Driven Development (TDD)
Server Side skills:
Should have handson experience on JS technologies more than 3+ years
Building interactive dasboards from multiple systems and RESTfully
abstract to the UI through a Node.js backend
In depth knowledge of NodeJS, ExpressJS and Restify
Knowledge of authentication using PassportJS, AuthO or JWT.
Knowledge of media content uploading using any cloud
Should have good understanding of request validation, schema
validation and Error handling
Good understanding of Promises, Async/Await and Callbacks
Should have knowledge of Socket, Pubsub.
Payment gateways integration using Braintree, Stripe or any other
would be a good skills to have.
Should have good understanding of scheduled tasks in NodeJS and
CronJobs
In depth knowledge of ORM like Mongoose, Sequalize or KnexJS.
Hands on experience with JavaScript/TypeScript Development on
server side.

Experience: 9 to 16 Yrs
Notice Period: Immediate to 15 days
Job Description:
- The Lead Engineer is responsible for deriving the technical architecture, detailed design, implementation, Performance, and Scalability of the developed system.
- The individual should be capable of single-handedly understanding the requirement, liaison with the product owner and external teams; produce the technical output required.
- Strong Leadership skills to contradict, produce a new design to current trends is required.
- Should be an avid technology enthusiast with strong views on technical architecture.
Technical Skills:
1) Strong Python and Mongo DB is mandatory
2) Web Application Architecture - One Large Project Experience of Development & Maintenance
3) Knowledge in one or more frameworks like WSGI(uwsgi), Django, Flask, Web Application development
4) Exposure to Databases like MongoDB, BigQuery, Elastic Search, Redis, etc.,
5) Knowledge of Code Quality Process and Discipline (Git, Jenkins, etc)

