
Job Description:
We are seeking a talented and experienced Backend Developer with a strong proficiency in Node.js and expertise in database management. As a Backend Developer, you will play a crucial role in the development and maintenance of our software systems, ensuring their high performance and responsiveness.
Responsibilities:
· Design, develop, and maintain backend services using Node.js.
· Collaborate with cross-functional teams to define software requirements and specifications.
· Optimize and scale applications for maximum speed and scalability.
· Implement security and data protection measures.
· Troubleshoot and resolve issues in a timely manner.
· Collaborate with front-end developers to integrate user-facing elements with server-side logic.
· Stay up-to-date with emerging technologies and best practices in backend development.
Requirements:
· Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent work experience).
· Minimum of 2 years of professional experience in Node.js development.
· Proficiency with databases, preferably MongoDB or DynamoDB.
· Strong understanding of RESTful API design and development.
· Experience with version control systems, such as Git.
· Familiarity with cloud platforms in AWS is a plus.
· Excellent problem-solving and debugging skills.
· Strong communication and teamwork skills.
· Ability to work independently and manage multiple tasks efficiently.
· Proven track record of delivering high-quality code on schedule.

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Senior Software Engineer (Backend) – Credit Cards Platform
Experience required - 5+ years
Job Location - Hyderabad & Ahmedabad
What you'll do:
· Perform complex application programming activities with an emphasis on mobile development: Node.js, TypeScript, JavaScript, RESTful APIs and related backend frameworks
· Assist in the definition of system architecture and detailed solution design that are scalable and extensible
· Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible
· Own the quality of code and do your own testing. Write unit test and improve test coverage.
· Deliver amazing solutions to production that knock everyone’s socks off
· Mentor junior developers on the team
What we’re looking for:
· Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.
· A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.
· A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.
· Flexible and willing to accept change in priorities, as necessary
· Demonstrable passion for technology (e.g., personal projects, open-source involvement)
· Enthusiastic embrace of DevOps culture and collaborative software engineering
· Ability and desire to work in a dynamic, fast paced, and agile team environment
· Enthusiasm for cloud computing platforms such as AWS or Azure
· Excellent written and verbal communications skills
Preferred Qualifications:
· Experience with Apache Cordova framework
· Demonstrable knowledge of native coding background in iOS, Android
· Experience developing and deploying applications within Kubernetes based containers
· Experience in Agile and SCRUM development techniques
Job Description:
We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)
Key Responsibilities:
Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues
Position Type: Full-Time
Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.
Experience: 3+ years of hands-on experience in Backend
Reports to: Development Manager
Roles & Responsibilities:
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade software
- Create security and data protection settings
- Build features and applications with a mobile responsive design
- Write technical documentation
- Work with data scientists and analysts to improve software
- Excellent scoping and estimation skills
Skills and Responsibilities:
- Proven experience as a Backend Developer or similar role
- 4+ years of hands-on software engineering experience in Node.js and Typescript
(Including Express, Feathers.js, and/or Nunjucks)
- Strong understanding of node modules, npm, nodemon.
- Strong understanding of production systems and Cloud deployments, especially in AWS
- Good understanding of test frameworks like Chai, Mocha, and Sinon
- Good understanding of javascript concepts like Promises and Async-Await
- Deep understanding of mobile backend infrastructure including service-oriented or
microservice architecture.
- Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
- Ensure the technical feasibility of UI/UX designs.
- Experience with filesystems, server architectures, and performance tuning
- Building reusable code and libraries for future use
- Experience in a relational database and version control tools and integration of third.
- Maintain existing code base including troubleshooting of issues and fixing bugs.
- Experience developing desktop and mobile applications
- Developing and implementing highly responsive user interface components using react
- Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
- Top-notch programming skills and write code for robust software design.
- Experience in responsive design, cross-browser compatibility, and website performance.
- Knowledge of performance testing frameworks including Mocha and Jest
- Aggressive problem diagnosis and creative problem-solving skills.
- Good understanding of how browsers and DOM work.
- Experience with handling Services, RESTful, APIs.
- Excellent communication and teamwork skills
- Great attention to detail and organizational skills
- An analytical mind and problem-solving skills.
- F&B (Food and Beverages) domain experience is a plus.
- Monitoring and improving front-end performance
- A passion for new consumer technology and the emerging media landscape
- F&B (Food and Beverages) domain experience is a plus.
- Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS
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.

- Challenge technical decisions and web service designs and provide inputs for improvement
- Provide qualified code (tested and documented)
- Fix issues that arise from testing/customers
- Create or update all the relevant and required technical documents (design, architecture, )
- Follow quality development rules and recommendations (unitary test, change management, build management, Software factory…)
- Perform code reviews and suggest improvements
- Work in Agile mode and Test Driven development process
- Collaborate and work closely with all stakeholders
- Hardcore developers who can write performance-based quality code and drive code
- Preferred: Java1.8, Junit, Springboot, Dropwizard, RabbitMQ, Jenkins jobs, NoSQL DB (MongoDB, Neo4j), Docker, and DevOps (Optional: Python, AWS)
- Knowledge about Secure coding guidelines, Sonarqube, Configuration Management (Perforce), Jira
- MUST have experience in Scrum/Agile SDLC
- Value Add – experience on the server side in IPTV/OTT/STB
The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.
Responsibilities
- Develop quality software and web applications
- Analyze and maintain existing software applications
- Design highly scalable, testable code
- Discover and fix programming bugs
Qualifications
- Bachelor's degree or equivalent experience in Computer Science or related field
- Development experience with programming languages
- MongoDb database or relational database skills
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/ B.E. /M. Tech/ BCA / MCA or a related technical discipline from reputed universities
Skills Required :
- Minimum 1+ years of experience in REST API development using python.
- Must have experience with anyone popular python frameworks like Django, Flask, and FastAPI Framework.
- Experience in designing and developing Restful Web services and Remote procedure calls.
- Able to integrate multiple data sources and databases into one system
- Knowledge of load testing and optimizing code for performance, security, and scalability
- Experience with Unit testing frameworks in Python
- Knowledge of modern authorization & authentication mechanisms.
- Able to create database schemes that represent and support business processes
- Knowledge of Version Control System & basics of CI/CD
- Write and maintain technical documentation
- Solid foundation in OOPS, Data structures, and Algorithms
- Knowledge of SDLC phases of project development.
- Experience in one or more No SQL Databases such as MongoDB, and Cassandra.
- Experience with event-based databases and programming
- Good experience in synchronous programming and thread-based programming.
- Experience with schedulers.
- Good to have knowledge of Linux shell commands.
- Good to have experience in Kubernetes & Docker
- Knowledge of any Cloud Service like GCP or AWS would be an added advantage
- Cares deeply about writing Quality, Testable & Modular code
- Good to have an understanding of NLP.
Desired candidates must have 3-7 years of experience as NodeJs Developer.
If the candidate cannot relocate to Gurgaon, we can also provide permanent Work from home for this position.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
What candidate should know about:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus
· Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members
· Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance.
· Perform code reviews, set coding practices and guidelines within the team.
· Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader. · Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their implementation in Java/Any other Object-Oriented Language.
· Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing. A solid foundation in the principles of computer science is desired.
· Ability to write clean, modular, and loosely coupled code by the use of design patterns.
· He/She should be able to break down and architect complex software systems. For example- Build

