
Responsibilities :
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Work with development teams and product managers to ideate software solutions
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Maintenance of Node.js Backend
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Working with MongoDB to create various features
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Troubleshoot, debug and upgrade software
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Create security and data protection settings
Requirements :
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Proven experience as a backend developer in Node.js or similar role
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Experience developing desktop and mobile applications
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Familiarity with common stacks
Requirements :
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Hands on experience building end to end systems
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Minimum 1 yrs of experience with Javascript, Node.js and Mongo.DB
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Good architectural & design skills
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Strong coding, data structures and algorithms
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The ability to own end to end responsibility - right from requirement to release
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The ability to produce bug-free and production grade code
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Experience and fine understanding of cross browser front end development issues
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Exhibit a deep understanding of server virtualization, networking and storage ensuring that
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The solution scales and performs with high availability and uptime

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Context for the Candidates:
Blockchain engineers are tasked with building secure, scalable, and high-performance decentralized applications. This discussion focuses on how to utilize key technologies—Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat—in smart contract and blockchain system development, while addressing the practical challenges that arise in such projects.
Key Discussion Points:
• How do you integrate Node.js, Rust, Go, and TypeScript in blockchain-backed applications?
• Discuss the trade-offs between using Rust or Go for performance-critical blockchain services.
• What are the key challenges in ensuring the security and scalability of smart contracts using tools like Ethers.js, viem, and Hardhat?
• How do you approach testing, debugging, and deploying smart contracts in a decentralized environment?
• Share best practices for gas optimization, contract upgradability, and backend scalability.
Evaluation Criteria:
1. Technical Knowledge:
• Strong knowledge of Node.js, Rust, Go, and TypeScript with practical experience in blockchain development.
• Proficiency in Ethers.js, viem, Hardhat, and smart contract lifecycle (development, testing, deployment).
• Understanding of security best practices, performance optimizations, and scalability in decentralized systems.
2. Problem-Solving and Integration Skills:
• How candidates approach integrating smart contract solutions with backend services using Node.js, Rust, Go, and TypeScript.
• Solutions proposed for common challenges in blockchain projects such as gas fees, security vulnerabilities, and system bottlenecks.
3. Experience and Expertise:
• Minimum of 2 years of IT experience, including hands-on development with the specified technologies.
• Practical knowledge of blockchain architecture, consensus mechanisms, and decentralized application deployment.
4. Innovation and Critical Thinking:
• Candidates’ ability to think creatively about system architecture, proposing scalable and secure solutions for blockchain-based applications.
• Discussion on the future potential of blockchain technology and how the tech stack can evolve.
5. Communication and Team Collaboration:
• Clear articulation of technical challenges and how to address them in a team setting.
• Ability to lead or contribute to discussions in a way that encourages collaboration and team-driven problem-solving.
- Develop and maintain server-side logic using Node.js, JavaScript, and Python.
- Collaborate with front-end developers, designers, and product managers to create scalable and responsive web applications.
- Design and implement APIs and web services to facilitate seamless integration with other systems.
- Optimize applications for maximum speed, scalability, and reliability.
- Identify and troubleshoot performance bottlenecks and implement effective solutions.
- Ensure the security and data protection of the backend systems.
- Write efficient and reusable code, following industry best practices and coding standards.
- Conduct code reviews and provide constructive feedback to improve code quality.
- Stay up-to-date with the latest industry trends and technologies to drive continuous improvement.
- Participate in the entire software development lifecycle, from requirements gathering to deployment and maintenance.
Responsibility and duties
• Understand the business objectives and create a weekly/quarterly roadmap for the team • Integration of user-facing elements developed by front-end developers with server-side logic.
• Reviewing the code written by subordinates to maintain quality of code
• Planning and implementing tests for the codes and fixing bugs
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Qualification and skills *
• Bachelor's Degree in Computer Science [Preferably B. Tech./B.E. (CSE/IT)]
• 2 Years+ experience in Back-end development • Knowledge of Redis assisted client-side caching
•Intermediate skill in Amazon Web Services frameworks and modules • Familiarity with relational or non-relational database [Preferably SQL and MongoDB]
• Familiarity with NodeJS
• Proficient in Ms Excel/Trello
EWar Games focuses on Sports, Mobile Games, Technology, Online Gaming, and Real Money Online Gaming. Their company has offices in Bengaluru. They have a small team that's between 11-50 employees.
You’ll be responsible for building APIs for a progressive web app. You must know Node.js, Express.js, Mongo.db, and basic Github.
Expectations:
- Design and develop REST API modules.
- Good experience in building and testing API’s and integrating them.
- Assuring the complete stack is designed and built for speed and scalability.
Your Requirement:
- Must know Node.js, Express.js, Mongo.db, and basic Github.
- 1-3 years of backend experience.
- Previously worked on similar projects (e commerce, food delivery, etc).
- Logical and problem solver.
- Optimized and clean code
Good to have:
- Worked on Payment Gateways
- Worked with food tech or similar projects
Hiring Process:
- Round 1 - Task based on backend technologies
- Round 2 - Task review and technical round
Responsibility:
- Complete the goal without missing any deadlines.
- Compensated on feature or hourly basis.
About Menu Cart Private Limited
We are a high growth startup currently experimenting in stealth. We are solving food delivery related problem with gamification features.
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.









