
• BE/B. Tech. Computer Science or MCA from a reputed University.
• 8+ Years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO,
webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks, ESB
etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is
essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.
• This is not a Fullstack requirement, we are purely looking out for Backend resources.

Similar jobs
Responsibilities:
- Good understanding of programming language
- Concepts of Java, Maven
- Source Control
- Logically Strong in coding practices
- Data structure Understanding.
- Security encryption and decryption
- Data encoding decoding
Requirements:
- Strong core Java development skills.
- Exposure to security tools.
- Experience in working with customers, understanding business requirements
- Good analytical and troubleshooting skills.
- Working knowledge of Jenkins/Maven
- Key requirements: Core Java, CI/CD, Docker, Maven, Jenkins, REST API, Kafka, Redis, cache, elastic cache
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.
- You possess a passion for improving techniques, processes, tracking, and continuously improving our engineering practices.
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.
- 3-8+ years of experience programming in a backend language (Java / Python), with a good understanding of troubleshooting errors.
- 5+ years of experience in Confluent Kafka / 3+ years of experience in Confluent Kafka
- Cloud Kafka, Control Central, Rest Proxy, HA Proxy, Confluent Kafka Connect, Confluent Kafka Security features
-
3 + years expertise in Python 3.7, Django 2 (or Django 3).
-
Familiarity with some ORM (Object Relational Mapper) libraries.
-
Able to integrate multiple data sources and databases into one system.
-
Integration of user-facing elements developed by front-end developers with server-side logic in Django (RESTful APIs).
-
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
-
Knowledge of user authentication and authorization between multiple systems, servers, and environments
-
Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
-
Able to create database schemas that represent and support business processes
-
Strong unit test and debugging skills.
-
Proficient understanding of code versioning tools such as Git.
The desirablesoptionals
-
Django Channels, Web Sockets, Asyncio.
-
Experience working with AWS or similar Cloud services.
-
Experience in containerization technologies such as Docker.
-
Understanding of fundamental design principles behind a scalable application (caching, Redis)
What if, you had a chance to build something iconic?
Presenting Bharat's first of its kind vernacular instant messaging app that is smart & secure - Buzz is an AI & machine learning powered - content-driven instant messaging app tailored to make user secure with more focus on privacy. At Buzz, we are on a mission - to help users be in control of the degree of their digital exposure, with a goal to create a space as India's first smart instant messaging platform among dominating foreign players.
And this is just the beginning :
With our eyes set on the future, we are looking for an exceptional iOS Developer with must have excellent experience in Socket.IO, to help us realise, build and scale our offering, who possesses a passion for technologies to the limits and will work with our team of talented engineers to design and build the next generation of our application.
iOS Beta already launched.
What you'll get :
Compensation in terms of EQUITY ONLY, salary only once we raise funds. This is more of a hands-on role especially in the initial stages of the company. Part-time would also temporarily work.
We are looking at passionate people with entrepreneurial spark and a hustler.
People who are deeply passionate of solving user problems in social networking space and vision of making an Indian product to be used by billions worldwide must only apply.
- A unique opportunity, unlike anything you have experienced before.
- Flexible timings & work from home
- A friend for life.
What matters to us : 1) Attitude > 2) Skill > 3) Experience > 4) College
Who are we looking for?
Key Responsibilities :
- Driving innovations in the product constantly to remain ahead of the curve.
- Serve as a thought leader and mentor on technical, architectural, design and related issues.
- Proactively identify architectural weaknesses and recommend appropriate solutions.
- Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Excellent technical issue diagnosis and problem-solving skills
Excellent knowledge of :
1) Node.js
2) Express.js
3) MongoDB
4) Restful APIs
5) Socket.IO
Skills required :
- MS or BS/B.Tech in computer science or equivalent experience from top college.
- Must have experience in working in an Instant messaging service provider.
- Experience working with remote data via REST and JSON
- Experience with offline storage, threading, and performance tuning
- Familiarity with cloud message APIs and push notifications
- Experience with third-party libraries and APIs
- Proficient understanding of code versioning tools, such as Git
- Excellent data structure & algorithm and problem-solving skills.
- Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server-side development.
- Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github.
- Superior organization, communication, interpersonal and leadership skills.
- Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast-growing and start-up workplace.
- Must be a self-starter who can work well with minimal guidance and in fluid environment.
• Integration of data storage solutions may include databases, key-value stores, blob
stores, etc.
• Integration of user-facing elements developed by front-end developers with server side
logic.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Help maintain code quality, organization and automatization.








