
My Client's India is its largest studio outside USA with 400+ people and growing rapidly. It manages some of the biggest global games in the Casual Gaming, Action Strategy, Match-3, Slots, and Invest Express genres. The game teams are responsible for the long term-vision of the game, its entire Game Design & Tuning, Product Roadmap, Features, Content & Creative decisions, Art work (2D, 3D, Animation), Development, QA/Testing, Analytics & Performance Tracking, User Acquisition & Live Operations.
The India team is full of passionate gamers, who love to play, build great products, and have fun doing it. Studio I expect continued growth and is looking for strong leaders to expand the studio into this next growth phase.
As a Principal Software Engineer, you will be responsible for the software design of large scale applications and features & enhancements which reaches millions of players. You should be passionate about players, performance, scalability and holds a very high bar for quality of the game.
Responsibilities
- Work with Product Management to translate business requirements into technical requirements.
- Owns technical roadmap, design and review for end-to-end games, ensure design quality and integrity
- Modernizing the tech stack
- Bring tech innovations in the game which will help in growth of the games
- Design, code, and develop new features/fix bugs/add enhancements
- Analyze and improve efficiency, scalability and stability of various system resources
- Lead and Mentor junior engineers and drive a culture of technical perfection.
- Drive creative and innovative solutions to complex problems, exemplifying good technical discernment.
- Drive improvements and new approaches to address potential systemic pain points and technical debt, anticipate and avoid problems.
- Take a hands-on approach in the development of prototypes, independently and with others, to establish design decisions and/or technical feasibility.
Required Skills
- Masters or Bachelor’s Degree in Computer Science, Engineering or equivalent
- A minimum of 7 years of professional experience in software development, mobile, desktop or web application development with hands on coding experience covering full stack
- Experience coding in C#, C++, Python, Javascript and SQL
- Working knowledge of mobile landscape, architectures, trends, and emerging technologies.
- A proven foundation in computer science, with strong competencies in data structures, algorithms, OOPS and software design
- Strong problem solving and debugging skills
- Excellent communication skills and the ability to work effectively in a team environment.
Desired Skills
- Experience with mobile development – Android/iOS/Native OR on game engines such as Cocos-2D, Unity or other.
- Experience with Amazon Web Services (EC2, ELBs, ElastiCache, DynamoDB, terraform etc)
- Experience with setting up server monitoring, alerting and server provisioning
- Familiarity with micro service architecture, containers and related technologies (Docker, Kubernetes, ECS)
- Experience with development tools & integrated build systems: XCode, IntelliJ, Git/Jenkins
- Experience of driving activities, review process to ensure software and product quality.
- Willing to pick up any languages, technologies, or methodologies necessary to smite a challenge—and if a conventional solution does not exist, then innovate as necessary.
What we offer you:
- Work in a studio that has complete P&L ownership of games
- Competitive salary, discretionary annual bonus scheme and RSUs
- Full medical, accident as well as life insurance benefits
- Catered breakfast, lunch and evening snacks
- Child care facilities for women employees and discounted facilities for male employees
- Well stocked pantry
- Generous Paid Maternity/Paternity leave
- Employee Assistance Programs
- Active Employee Resource Groups – Women
- Frequent employee events
- Additional leave options for most employees
- Flexible working hours on many teams
- Casual dress every single day
- Work with cool people and impact millions of daily players!

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Job Description
Key Responsibilities
- API & Service Development:
- Build RESTful and GraphQL APIs for e-commerce, order management, inventory, pricing, and promotions.
- Database Management:
- Design efficient schemas and optimize performance across SQL and NoSQL data stores.
- Integration Development:
- Implement and maintain integrations with ERP (SAP B1, ERPNext), CRM, logistics, and third-party systems.
- System Performance & Reliability:
- Write scalable, secure, and high-performance code to support real-time retail operations.
- Collaboration:
- Work closely with frontend, DevOps, and product teams to ship new features end-to-end.
- Testing & Deployment:
- Contribute to CI/CD pipelines, automated testing, and observability improvements.
- Continuous Improvement:
- Participate in architecture discussions and propose improvements to scalability and code quality.
Requirements
Required Skills & Experience
- 3–5 years of hands-on backend development experience in Node.js, Python, or Java.
- Strong understanding of microservices, REST APIs, and event-driven architectures.
- Experience with databases such as MySQL/PostgreSQL (SQL) and MongoDB/Redis (NoSQL).
- Hands-on experience with AWS / GCP and containerization (Docker, Kubernetes).
- Familiarity with Git, CI/CD, and code review workflows.
- Good understanding of API security, data protection, and authentication frameworks.
- Strong problem-solving skills and attention to detail.
Nice to Have
- Experience in e-commerce or omnichannel retail platforms.
- Exposure to ERP / OMS / WMS integrations.
- Familiarity with GraphQL, Serverless, or Kafka / RabbitMQ.
- Understanding of multi-brand or multi-country architecture challenges.
Good to have Winform experience
Looking for Immediate joiners.
About OJ Commerce:
OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.
Responsibilities:
Work with business-stakeholders to understand requirements, prototype, build and deploy it.
CRUD the backend code you own keeping maintenance, performance and security in mind.
Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.
Automate the boring and mundane stuff for you prefer to be productive than being busy.
We are flat. Be responsible for professional growth of self and the team.
- Tune application for performance.
- Take initiatives and manage change to work towards business goals at speed without compromising safety.
- Coach full-stack developers on backend skills.
- Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition
Develop functional, architectural and other documentation as required for productive functioning of teams.
- Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
- We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
- Take the lead in digital transformation of legacy applications.
What you need to shine?
- You have the prior experience in modernising legacy applications.
- You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
- You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
- Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
- You are Cloud savvy, preferably Google Cloud.
- You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.
Hands-on experience in building SOA or Micro-services preferably on .NET Core.
Proven Architectural skills with high standards in Code quality
Knowledge of ReactJS/Typescript would be added advantage.
Practical experience in Agile development methodologies of using CI/CD.
Extreme Programming (TDD) experience is sought after by us.
What we Offer
- Greenfield opportunity to transform legacy backend applications to latest technology stack.
- Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
- Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
- Golden opportunity to make history by making big business impact.
- Competitive salary to take good care of self and family.
- Insurance Benefits: Medical and Accident cover.
- Flexible Working Hours
- 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 {mysql, redis}.
- Understanding the requirements and planning the implementation accordingly.
- Good interaction with the team. Good debugging skills.
- Strong proficiency with JavaScript {optimized code}.
- Knowledge of Node.js and frameworks available for it {sequelize}.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Optimization in terms of memory and time.
- Good understanding of server-side templating languages.
- Basic understanding of front-end technologies, such as HTML5, and CSS3.
- Proficient understanding of code versioning tools, such as Git.
2. Extensive experience with PHP and the Laravel framework
3. Solid understanding of OOP concepts and MVC principles
4. Practical knowledge of RESTful APIs
5. Familiarity with the MySQL database
6. Integration of social media APIs is an added benefit.
What will I be doing? 👩💻👨💻
Leading parts of the product from inception to launch, and own large parts of the product’s execution.
Working with our Sales and frontend team to build products with the goal of delighting and increasing the success of our users.
Architecting, building, testing, and releasing product-facing features.
Contributing to our side projects and free tools for the education industry.
What do I need? 🤓
1-2 years of industry experience in a software engineering role, preferably building a SaaS product. You can demonstrate significant impact that your work has had on the product and/or the team.
Deep knowledge of a high-level programming language (for example, PHP, Python, etc.) but it doesn’t need to be a language that we use here! Great people are effective and learn what we use quickly (or introduce us to better ways of working)
Deep knowledge of SQL Databases
Experience with scalable distributed systems, both built from scratch as well as on AWS primitives
Willingness to learn and use new technologies
Extremely data-driven
Ability to debug complex systems
Brownie points 🍰
Using a framework (for example, Laravel, Code Igniter, Django)
Understanding of containerisation (Docker/Kubernetes) along with ability to deploy to AWS ECS (or similar tools)
Feel free to apply even if you feel unsure about whether you meet every single requirement in this posting. As long as you're a quick learner, and are excited about changing the status quo for tech recruitment, we're happy to support you as you come up to speed with our tech stack.
Perks 😍
Flexible vacation
Take a tutorial, on us
Monthly remote meals
Tech stack 🔨
PHP
Laravel
NodeJS
VueJS
Ionic Angular
Digital Ocean
AWS
MySQL
Why Classcard? 🚀
We are still in the early stages of our journey. You will be working closely with our users, acting on both their feedback and what our data says. Things you build here will have tremendous impact on both our business and Classcard as a company.
What happens after I apply? 🤔
-
Quick phone call with a member of our engineering team to find out more about your experience and why you want to work at Classcard.
-
Video interview:
Technical discussion with a senior engineer
Pairing on an interesting problem
Meet the founders
| Job Description | Roles and Responsibilities Researching, designing, implementing and managing software programs Testing and evaluating new programs Write high quality source code to program complete applications within deadlines Perform unit and integration testing before launch Working closely with other developers, UX designers, business, Testing Team and systems analysts Find bugs and offer timely solutions Integration of user-facing elements developed by front-end developers Build efficient, testable, and reusable PHP modules Solve complex performance problems and architectural challenges Produce detailed specifications Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality Contribute in all phases of the development lifecycle Follow industry best practices Good understanding of RESTful API development. Good knowledge of TDD (Test Driven Development). Good understanding of jQuery, Bootstrap. Knowledge of OOPS preferred. Develop and deploy new features to facilitate related procedures and tools if necessary |
|---|---|
| Ideal Candidate | Strong knowledge of PHP web frameworks like Laravel, CI, etc Knowledge of programming language such as Python/NodeJs will be preferred Understanding the fully synchronous behavior of PHP Understanding of MVC design patterns Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 Knowledge of object oriented PHP programming Understanding accessibility and security compliance Strong knowledge of the common PHP or web server exploits and their solutions Understanding fundamental design principles behind a scalable application User authentication and authorization between multiple systems, servers, and environments Integration of multiple data sources and databases into one system Familiarity with limitations of PHP as a platform and its workarounds Creating database schemas that represent and support business processes Familiarity with MySQL/Mongo DB databases and their declarative query languages Proficient understanding of code versioning tools, such as Git Cross-browser/platform experience. Ability to adapt to changing priorities and to thrive in a fast-paced work environment. Good analytical and debugging skills. Team-oriented and Self-motivated. |
Should have Punctuality.
Ready to work from office.
Ready to relocate to Gurgaon.









