
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.

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Solution Oriented Mindset
- Assist project in all technical aspects of tooling and DevOps
- Proactively lead tools new versions release cycle and documentation
- Proactively identify risks related to application /deliverables and propose a mitigation plan
- Provide custom solutions as per customer requirements
Autonomy & Problem Solving Mindset
- Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
- Must have troubleshooting skills
Agile Mindset
- Contribute to improvement of internal process, tooling, and quality process
- Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.

Job Description
We are hiring full-stack developers for luxury-commerce platform that is well-funded and is now ready for its next level of growth. It is backed by reputed investors and is already a leader in its space. The focus for the coming years will be heavily on scaling the platform through technology. Market-driven competitive salary for the right candidate
Roles & Responsibilities:
- Work with the Business Teams & Product Managers, understand the requirements and design the technical architecture and implement it
- Build the code independently according to the technical specifications, detailed design, maintainability, and coding and efficiency standards
- Create a technical design from Functional Design Doc / Requirements Doc and be able to troubleshoot with debugging skills
- Own product and its features from conception to delivery.
Qualifications:
- Proficiency in Node JS, and React JS.
- Hands on experience in developing customer facing Node JS based applications is a must.
- Knowledge of front-end technologies such as HTML, CSS, and JavaScript.
- Familiarity with datastores such as MySQL, Oracle, Redis, and Solr/Elasticsearch.
- Knowledge of logging frameworks such as fluentd, logstash etc.
- Knowledge of Containerization (Docker, Kubernetes etc.) will be an advantage
- Writing and utilizing RESTful API services and performance tuning web applications
- Experience with cloud providers such as AWS, Azure etc.
- Passion for building & scaling consumer-facing products.
- Attention to detail, good communication and organizational skills
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.

About StoreHippo:
We are India’s leading SaaS-based mobile-ready e-commerce platform. Our product provides 360-degree e-commerce solutions for businesses across multiple industry verticals.StoreHippo provides an integrated and comprehensive package of the online store, mobile and web-based applications, payment gateways, and integrated logistics to its prospective customers, which means that they can explore the internet and mobile market while they focus on their core competence- the Business. They do the business, StoreHippo takes care of everything else! We also offer solutions for Global Businesses with features like Multi-Seller Marketplace, Multilingual Stores, IP-based Pricing, and many more advanced features.
We have 2000+ clients spread across the globe like Burger Paints, Wishfull, Career Point, Farm Veda & other brands are our respective clients whom we are providing our resources.
Company Site: http://www.storehippo.com/"> http://www.storehippo.com/
What you will learn in StoreHippo :
- You’ll work in a variety of languages and technologies, and on multiple parts of our platform including front-end and back-end components. If you enjoy working on APIs, web apps, asynchronous message processing systems, and desktop applications, we would love to hear from you.
- Develop new user-facing features
- Build reusable code and libraries for future use
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
What we are looking for:
- Strong understanding of JavaScript.
- Basic understanding of web markup, including HTML5 and CSS3
- Design architecture, development, deployment etc.
- Code for fresh development and to troubleshoot in terms of resolving the issues.
- Well versed with agile methodologies and experience on team mentoring and project management.
- Designing and Developing the systems with the right patterns and technology stack.
- 2+ years of experience with Node.js
- Expertise in Typescript, AWS, Firebase, MongoDB, and Express
You will be bringing:
- Hands-on experience in writing applications using Node.js (including Socket.io and Express or similar)
- Excellent knowledge of a few of the available databases such as MySQL, MongoDB, etc.
- Proficiency in application deployment on Linux or Ubuntu environments
- Proficiency in JavaScript languages like React and/or Angular, along with a comprehensive experience in open-source frameworks
- Experience in server-client architecture project(s)
- Ability to prioritize in a chaotic and ambiguous environment
- An open, growth mindset when giving and receiving feedback

Good knowledge and experience of working with backend systems;
designing server-side architecture, including production maintenance experience are must-haves.
At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).
Understanding of micro-services oriented architecture.
Experience with Databases design (SQL, NoSQL) and analytics
Experience in driving and delivering complex features/software modules from technical design to launch.
Expertise with unit testing & Test Driven Development (TDD)
You will be the backbone of our startup and founding team member.This offers a great growth opportunity to you as well in an early stage startup which has raise pre-seed funding from one of India's prominent angel investor.
Responsibilities :
-Participate in the entire application lifecycle, focusing on coding and debugging
-Developing and maintaining all server-side network components.
-Ensuring optimal performance of the central database and responsiveness to front-end requests.
-Collaborating with front-end developers on the integration of elements.
-Designing customer-facing UI and back-end services for various business processes.
-Developing high-performance applications by writing testable, reusable, and efficient code.
-Implementing effective security protocols, data protection measures, and storage solutions.
-Running diagnostic tests, repairing defects, and providing technical support.
-Documenting Node.js processes, including database schemas, as well as preparing reports.
-Recommending and implementing improvements to processes and technologies.




