About us:-
Zupee is India's hottest Real Money Gaming Platform
With in 1 yr of start, we just had an initial team of around 30 people, these 30 were successful to bring 10 Million+ users and an overall consumer spend of 1.5 Billion USD on the platform, the journey which needed years to be covered was covered with in 1yr. As we speak today, Zupee has been profitable for almost an year now and has ended the year 2020 with a team size of 70+ and over all growth rate was mapped around 20X.
Our user base has significantly gone up and we have invested highly in technology and have got best in class tech stack, it's time to add the backend developers who can help us scale up the platform so that we can drive profitable growth and become the market leader in our space.
Backend Developer :- (3 - 12 yrs)
What You'll Need?
- Knowledge of languages (JavaScript, Python) and frameworks/systems (nodejs)
- Strong analytical skills and aptitude
- Understanding of data architecture, software design and best coding practices
- Understanding of TCP/IP networking concepts and technologies
- Ability to learn new languages and technologies
- Experience with databases (both SQL and NoSQL)
- Familiarity with Agile development methodologies
- Working knowledge of Linux

About Zupee
About
Mission Zupee
We have made it our mission to improve people’s lives by improving their learning ability, skills and mental aptitude through scientifically designed Games. We have already helped over 10 million people improve their general knowledge, critical thinking and competitive skills. We are living in an age of competition and it is important to stay sharp and well informed. Zupee is committed to enhancing and enabling talent and skills for the workforce of the future by creating formats that educate, inform, entertain and reward the skills based behaviour of our users.
About us
Founded in 2018 by two IIT Kanpur graduates, We are backed by marquee investors and have raised USD 19Mn in series-A thus far. As India’s fastest growing skill-based Gaming company, we’re at the forefront of the industry and now holding a new vision to become the world’s leading gamification platform.
Our Growth Story
The online gaming industry is growing at an annual rate of 40% and is expected to become a 14 billion USD market in India by 2025. Zupee’s growth has galloped past the industry and become profitable at the EBT level in record time with more than 10Mn user base & consumer spend of 2Bn USD on our platform.
Follow links below to know more about our recent Forbes Asia 30under30 & fundraise coverages:
2. https://www.vccircle.com/matrix-partners-india-leads-series-a-funding-round-in-gaming-app-zupee
3. https://www.vccircle.com/exclusive-smile-group-backs-gaming-startup-zupee
4. https://www.forbes.com/profile/zupee/?list=30under30-asia-consumer-technology&sh=1c4e8e5a1cb0
Our Culture
Zupee thrives on a culture of entrepreneurship (ownership & hustle), customer obsession, bias for diagnosis & action and trust & respect for everyone. We keep our mission first in order to win customer’s trust above everything.
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Strong written/verbal communication skills
· Minimum 2-15 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Please share your updated CV with the the below details:
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Regards,
Rashmi
Software Engineer
Opportunity in this role / Why should you join us?
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 3+ years and above exposure in the art of writing codes and solving problems for large scale
- Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Have a penchant for solving complex and interesting problems.
- BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
- Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with
multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and Responsibilities
- Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit.
2. Data structure (HashMap, treemap, arraylist, linklist),
3. Streaming concepts (partitioning), Junit
4. Exception handling and workflow, Test coverage (why its important, how it gets handled at
java and spring layer, morckito library if the candidate knows that would be great),
5. OOPS concepts (inheritance),
6. Threading (mutex, threadpool, threading implementation, singleton factory, builder pattern,
abstract)
7. Real world problems (atleast 1 to be asked in IAAS interview) (movie ticket booking, parking
booking), To be asked to only selected candidates: Puzzle (probability/)
8. Memory management: Garbage Collection (GC), Heap dump, Thread dump, apache, google
library.
9. Spring frameworks and database. Data lakes, star lakes, schemas, indexing, partitioning,
optimize query, hibernate.
10. Data warehouse vs nosql vs time series database (KDB, DB2), data storage patterns.
11. Types of transaction control. Column level.
12. Query formation, grouping, nested queries, joints (inner joints, outer joints)
13. If candidate has spring exp: Architecture and various layers of Spring, coupling concepts,
dependency injections, inheritance, Bean level, JMS connection pooling concepts, Lambda,
Annotation vs XML, Kafka, Hibernates.
14. Good to have AI/ML inclination.
Bifurcation of Must have and good to have skills:
Must have skills Good to have skills
Core java (60%), spring (15%), and databases
(15%).
Mockito library
Data structure (HashMap, tree map, array list,
link list)
Threadpool
Streaming concepts (partitioning) Memory management
Exception handling Lambda, Annotation vs XML, Kafka, Hibernates
OOPS GCP or any cloud technology
Threading (singleton factory, builder pattern) AI/ML inclination
Real world problems (movie ticket booking,
parking booking)
Spring frameworks and database (indexing,
partitioning, layers of Spring, JMS connection)
Data warehouse vs NoSQL vs time series
database
Junit
Software Development Engineer (III) @ REBEL FOODS
We are surrounded by the world's leading consumer companies led by technology - Amazon for retail, Airbnb for hospitality, Uber for mobility, Netflix and Spotify for entertainment, etc. Food & Beverage is the only consumer sector where large players are still traditional restaurant companies. At Rebel Foods, we are challenging this status quo as we are building the world's most valuable restaurant company on the internet, superfast. The opportunity for us is immense due to the exponential growth in the food delivery business worldwide which has helped us build 'The World's Largest Internet Restaurant Company' in the last few years. Rebel Foods current presence in 7 countries (India, Indonesia, UAE, UK, Malaysia, Singapore, Bangladesh) with 15 + brands and 3500+ internet restaurants has been built on a simple system - The Rebel Operating Model. While for us it is still Day 1, we know we are in the middle of a revolution towards creating never seen before customer-first experiences. We bring you a once-in-a-lifetime opportunity to disrupt the 500-year-old industry with technology at its core.
We urge you to refer to the below to understand how we are changing the restaurant industry before applying at Rebel Foods.
https://jaydeep-barman.medium.com/why-is-rebel-foods-hiring-super-talented-engineers-b88586223ebe">Link
https://jaydeep-barman.medium.com/how-to-build-1000-restaurants-in-24-months-the-rebel-method-cb5b0cea4dc8">Link 1
https://medium.com/faasos-story/winning-the-last-frontier-for-consumer-internet-5f2a659c43db">Link 2
https://medium.com/faasos-story/a-unique-take-on-food-tech-dcef8c51ba41">Link 3
An opportunity to revolutionize the restaurant industry
Here, at Rebel Foods, we are using technology and automation to disrupt the traditional food industry. We are focused on building an operating system for Cloud Kitchens - using the most innovative technologies - to provide the best food experiences for our customers.
You will enjoy working with us, if:
- You are passionate about using technology to solve customer problems
- You are a software craftsman or craftswoman who is obsessed with high quality software
- You have a flair for good design and architecture
- You are unafraid of rearchitecting or refactoring code to improve it
- You are willing to dive deep to solve complex software issues
- You are a teacher and mentor
Our technology ecosystem:
- Languages: Java, Typescript, Javascript, Ruby
- Frameworks: Spring Boot, NodeJS, ExpressJS
- Databases: AWS Aurora, MySQL, MongoDB
- Cloud: AWS
- Microservices, Service Oriented Architecture: REST APIs, Caching, Messaging, Logging, Monitoring and Alerting
- CI/CD and DevOps
- Bitbucket, Jira
You will mostly spend time on the following:
- Leading the design and implementation of software systems
- Driving engineering initiatives across teams with a focus on quality, maintainability, availability, scalability, security, performance and stability
- Writing efficient, maintainable, scalable, high quality code
- Reviewing code and tests
- Refactoring and improving code
- Teaching and mentoring team members
We’re excited about you if you have:
- At least 4+ years of experience in software development, including experience building microservices and distributed systems
- Excellent programming skills in one or more languages: Java, C#, C++, Typescript, Javascript, Python or Ruby
- Experience working in Cloud environments: AWS, Azure, GCP
- Experience building secure, configurable, observable services
- Excellent troubleshooting and problem-solving skills
- The ability to work in an Agile environment
- The ability to collaborate effectively within and across engineering, product and business teams
We value engineers who are:
- Crazy about customer experience
- Willing to challenge the status quo and innovate
- Obsessed with quality, performance and frugality
- Willing to take complete responsibility and ownership of results
- Team players, teachers, mentors
The Rebel Culture
We believe in empowering and growing people to perform the best at their job functions. We follow outcome-oriented, fail-fast iterative & collaborative culture to move fast in building tech solutions. Rebel is not a usual workplace. The following slides will give you a sense of our culture, how Rebel conducts itself and who will be the best fit for our company. We suggest you go through it before making up your mind.
https://www.slideshare.net/">Link 4
Database Knowledge: MongoDB, MySQL, PostgreSQL, Firebase
Experience: 2 - 5 years

As a Senior Software Engineer, you will work closely with the Tech/Team Lead, and the rest of the engineering team to build and scale a data-driven platform.
This role will act as a great springboard to accelerate career growth & transition into a Lead level role.
Your primary focus will be the development of server-side logic, building new services and APIs, developing UI components, supporting the maintenance of current APIs, reviewing work, and improving the performance and reliability of our systems as we rapidly scale our product and organization
- An effective Senior Software Engineer will be a self-motivated learner; a highly creative engineer having obsessive attention towards detail and thoroughness.
- You’ve been building web applications professionally for 4+ years
- You’re proficient in NodeJS, TypeScript, MySQL, and MongoDB
- You possess strong OOP and design pattern knowledge
- Familiar with modern engineering practices: Code Reviews, Continuous Deployment, Automated Testing, etc
- You write understandable, testable code with an eye towards maintainability and experience with TDD (Test Driven Development)
- You’ve got the ability to build RESTful APIs
- Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
- Well versed with the fundamentals of computer science and distributed systems
- FrontEnd experience; (Good to have) Angular
- Startup experience, preferably a tech startup
- Open Source contributor
- You have experience with other programming languages -- e.g. Python, Ruby, PHP, Go, C, etc.
- Passionate about/experienced with open source and developer tools
- You have a bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
Immedite joining/Notice period upto 30 days
WFH till the end of Pendimic
Gurgaon Location
Roles & Responsibilities:
● Invent, design and build software that is stable and performant
● Primary role will be quality and timely delivery of the application/ feature/ module your team
will be working on
● Adopt and execute good design philosophy and code writing practices
● Ensure the code goes through rigorous tests and quality checks before deployment
● Work with other software engineers and database engineers to set excellent development
practices and deliver innovative changes in new and existing products
● Be hands-on technical, thus, leading by example using web, mobile and database
technologies
● Work on project ideas with customers, stakeholders and peers
● Be actively involved in code review process, design discussions, team planning
Minimum Qualifications:
● Bachelor's degree in Computer Science, Software Engineering, or a related technical
discipline
● 5-7 Years of Experience
● Expertise in software design and development
● Proficiency with at least one Object Oriented language (e.g. Java)
● Have knowledge about Computer Science fundamentals in object-oriented design, data
structures, algorithm design, problem-solving, and complexity analysis
● A strong track record of project delivery for large, cross-functional projects
● Experience with building high-performance, highly available and scalable distributed systems
● Experience with API Design, ability to architect and implement an intuitive customer and
third-party integration story
● Ability to think and analyse both breadthwise (client, server, DB, control flow) and depth-wise
(threads, sessions, space-time complexity) while designing and implementing services
• Experience in software product development
• Proficient in Python, Django, Pandas, GitHub and AWS.
• Good knowledge of PostgreSQL, MongoDB
• Strong Experience in designing REST API’s
• Experience with working on scalable interactive web applications
• Understanding of the threading limitations of Python and multi process architecture
• Familiarity with some ORM (Object Relational Mapper) libraries
• Good understanding of Test Driven Development - Unit and Integration testing
Role and Responsibilities:
The candidate will play be critical role by developing highly scalable applications that provide practical solutions to clients in the financial services’ domain
• Design, build, test and maintain scalable and stable off the shelf application or custom-built technology solutions to meet business needs
• Write testable code that enables extremely high levels of code coverage
• Promote coding,code review, testing and deployment best practices through hands-on research and demonstration
• Contribute to the entire implementation process including driving the definition of improvements based on business need and architectural improvements
- Knowledge of MySQL necessary
- Basic HTML & Javascript
- No framework experience needed (will be trained on Laravel)
- Strong programming fundamentals essential
- Should be living on the western line of Mumbai (Andheri to Borivali ideal) - Central do not apply
- Work Timings: 10:00 to 7:00 pm with 2nd & 4th Saturday off
- Should be comfortable working in a small team on product development environment
- Callify.ai SaaS Voice based software product







