
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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We are looking for a Node.js Developer to join our team.
In this role, you will be entrusted with developing JavaScript applications using Node.js.
Apply now for the role of a Node.js Developer at CodeBuddy that is opening doors for skilled, energetic developers looking for Mern Stack Developer Jobs.
If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.
Technical Competency :
- Professional experience in Javascript Stack / Framework
- Development experience in Node.js
- Experience with backend using REST API.
- Proficiency in React.js concepts is a plus but not mandatory
- Experience with Object-Oriented Programming
- Ability to multitask and work in a fast-paced environment.
- Ability to document their code.
- Understanding accessibility and security compliance.
- To translate storyboards and various use cases to create high-performing apps
- Write, execute, and maintain clean, reusable, and scalable code
- Integrate our various data storage solutions
- Ensure the responsiveness and boost the performance of our apps
- Find and address the various bottlenecks and bug-fixes
- Help in code automatization
- Proficient use of GIT.
Interpersonal skills :
- Must be comfortable working in a team and independently when required.
- Must be disciplined, proactive, and self-motivated
- Needs to have problem-solving and analytical skills
- Good to have previous experience of direct client interaction for project briefs and updates.
What You Need To Apply:
- Previous work experience as a Node.js developer for 1 year at least.
- Strong experience with Javascript
- Self-motivated with the ability to work independently or jointly in a self-directed way.
- Demonstrated successful development of web or mobile-based applications
- Proven analytical and problem-solving capabilities
- Keen attention to detail
- Strong work ethic and desire to build industry-leading products
- Proactive instead of reactive
- Looking for ways to improve self and projects.
If you have it all in you, we are happy to have you with us!!!
Perks and Benefits:
We at Codebuddy believe our team is our biggest strength and we believe in paying our team members fair remuneration because we respect everyone’s effort.
- Review in every 9-12 months
- Opportunity to learn new technologies at the company's expense
- On-time salary (7th of every month)
- Fair pay policy
- Easy leave structure
- Performance awards
- Festival gifts
- Annual picnic
- Monthly dinner parties
We will be even happier if you have:
- Proficiency in Nest.js or Express.js,
- Being an open-source contributor,
- Ability to discover functional and non-functional requirements of an app, based on various levels of inputs from clients,
- Ability to transform customer ideas to business model and scope understandable by technical experts,
- Having excellent stakeholder management and client-facing skills.
Joining Codebuddy Means:
- Working in a comfortable and stimulating environment that boosts creativity,
- Being involved in challenging projects,
- Taking part and initiating knowledge-sharing initiatives,
- Working with clients from around the world,
- Having the opportunity to bounce your ideas off our experienced team,
- Enjoying flextime and flexplace: adjust your daily schedule to your individual needs!
- We decide together and value equality: there is no strong hierarchy in our teams, and every opinion is more than welcome,
- Processes based on Scrum and Agile methodologies,
- Dev-friendly processes such as Code Review,
- The constant development of your hard and soft skills
- Having a smooth start: your leader and a buddy will support you and mentor you.
What will happen next?
- Fill out the form
- Give us some time to review your application
- Meet us for an interview
- Complete a recruitment task to see how we work
- Join our team!
- Job Description:
You will be working with a team of highly-motivated, young & dynamic teams of engineers & reporting to the Engineering Lead.
Position Responsibilities
- Be honest, reliable & consistent
- Write efficient & clean code
- Have a strong sense of ownership
- Be a part of development & maintenance of Pluang web app, Operations dashboard and other 3rd party products we own
- Contribute to improving the quality of engineering process & engineering culture
Position Requirements
- Strong in data structure and algorithms
- Experience in Node.js, Express, API Design & DOM
- Understanding of component based design or other design patterns
- Experience with unit testing, integration testing & continuous integration
- RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
- Good to have passion for investing
Pluang Offers
- Attractive compensation package - competitive salary, flexible bonus scheme.
- We are always looking for ways to promote and inspire innovation.
- Individual career path - management and technical career growth, enhanced by learning and development program, regular performance assessment, teams of multi-national IT professionals.
- Healthy work environment - company-sponsored medical program, food, and beverage program, open communication.
- Friendly policies to support Work-life balance, team building, and celebrations.


- Experience in designing scalable micro-services required
- Sound knowledge of Python and Django, familiarity with Linux and git
- Deep understanding of how RESTful APIs work
- Familiarity with HTML / CSS and templating systems, Redis, RabbitMQ, NGINX preferred
-Bonus - Preliminary knowledge of any one of these languages - Golang / JavaScript / Lua Responsibilities

Responsibilities:
- Develop the core platform components.
- Work on integrations with 3rd party systems.
- Co-ordinate with frontend team, designers, and product managers on development requirements
Requirements:
- At least 3 years of experience in developing and managing software systems.
- Proficiency in programming, data structures and algorithms.
- Deep understanding of caching technologies, databases and OOPS.
- Computer science degree from a tier1 college is a MUST.
- Experience in Python is preferred.
Integration of user-facing elements developed by front-end developers with server side logic
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, may include databases, key-value stores, blob stores, etc
Integrating in-house product with third party applications and creating ready connectors
Build microservices with modular design
Benchmarking applications in terms of number of concurrent users, number of requests per second and similar parameters
Documenting and updating APIs for customers systematically
Required Skills:
Programming Language: NodeJS
Capabilities: REST APIs, WebSockets, Express
Databases: MongoDB, Redis, ElasticSearch
Tools: GIT, VSCode
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**ONLY LOOKING FOR CANDIDATES WHO LIVE IN MUMBAI


iSolve Technologies is looking for Team Lead Dot Net Developers with 3+ years of experience.
Key Skills:
- C#, ASP.NET, MVC, WEBAPI, SQL
Key Responsibilities:
- Meeting with client managers to determine the application and website requirements
- Ability to manage projects on your own
- Analyzing system requirements and delegating development tasks to the fellow teammates
- Designing and Developing technical specifications
- Drafting software and application operating procedures
- Deploying functional websites, programs, and applications
- Upgrading existing .NET websites and applications
- Writing scalable code for .NET software applications
- Reviewing and debugging .NET applications of the teammates
- Providing support for junior developers
- Training junior staff
- Code and resource management
- Performance Optimisation
- Travelling for Client meetings/visits
Key Professional Attributes:
- Ability to work with tight deadlines
- Team-player with strong communication & collaboration skills
- Exceptional project management skills
- Prior experience in leading development teams is a plus
- Excellent problem-solving skills
Qualifications Required:
- Graduates and postgraduates (BE/B.Tech/BCA/MCA preferred)
- Experience: 3-12 years
- Looking for Immediate Joiners
About Us:
iSolve Technologies is a Business Transformation company. We partner with our customers, understand their business, hypothesize and analyze process gaps, build strategy and bring 100% visibility to every step of the operation with innovative technology.
Customers typically come to us for our in-depth understanding of businesses and stay with us for our service excellence!
We are looking for an enthusiastic Dot Net professional to lead our project development teams with a focus on on-time deliveries. You will be responsible for leading, planning and delivering projects, guiding your team to deliver high-quality outcomes.
We are proud to foster a culture of diversity – be it gender, age, experience, perspective, or background!


Roles/Responsibilities
- Own the coding/design of a sub-module
- Review the requirements and provide simple solutions
- Design the sub-module working with the tech-lead
- Hands-on code the critical parts of the module
- Ensure coding standards, proper design patterns, writing test cases and project mgmt processes are followed
- Mentor the junior programmers
- Peer and junior programmers code review
- Work independently and proactively to deliver production-ready code with minimal guidance
Jobs Skills required
- Strong experience in developing either backend or front end systems
- Backend Exp: RoR, NodeJS, Java, Go, MySQL, Mongo
- Ability to work in a team structure and deliver projects
- Very strong analytical and problem solving skills in super changing environment
- Understanding of algorithms and data structures
About Vymo
Vymo is a Sanfrancisco-based next-generation Sales productivity SaaS company with offices in 7 locations. Vymo is funded by top tier VC firms like Emergence Capital and Sequoia Capital. Vymo is a category creator, an intelligent Personal Sales Assistant who captures sales activities automatically, learns from top performers, and predicts ‘next best actions’ contextually. Vymo has 100,000 users in 60+ large enterprises such as AXA, Allianz, Generali.Vymo has seen 3x annual growth over the last few years and aspires to do even better this year by building up the team globally.
What is the Personal Sales Assistant
A game-changer! We thrive in the CRM space where every company is struggling to deliver meaningful engagement to their Sales teams and IT systems. Vymo was engineered with a mobile-first philosophy. The platform through AI/ML detects, predicts, and learns how to make Sales Representatives more productive through nudges and suggestions on a mobile device. Explore Vymo https://getvymo.com/">https://getvymo.com/
What you will do at Vymo
From young open source enthusiasts to experienced Googlers, this team develops products like Lead Management System, Intelligent Allocations & Route mapping, Intelligent Interventions, that help improve the effectiveness of the sales teams manifold. These products power the "Personal Assistant" app that automates the sales force activities, leveraging our cutting edge location based technology and intelligent routing algorithms.
A Day in your Life
- Design, develop and maintain robust data platforms on top of Kafka, Spark, ES etc.
- Provide leadership to a group of engineers in an innovative and fast-paced environment.
- Manage and drive complex technical projects from the planning stage through execution.
What you would have done
- B.E (or equivalent) in Computer Sciences
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- Knowledge of Big data systems and/or Data pipeline building experience is preferred.
- 2-3 years of relevant work experience as technical lead or technical management experience.
- Excellent coding skills in one of Core Java or NodeJS
- Demonstrated problem solving skills in previous roles.
- Good communication skills.





