
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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Excellent knowledge in Core Java (J2SE) and J2EE technologies.
Hands-on experience with RESTful services, API design are must.
Knowledge of microservices architecture is must.
Knowledge of design patterns is must.
Strong knowledge in Exception handling and logging mechanism is must.
Agile scrum participation experience. Work experience with several agile teams on an application built
with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud)
environments.
Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like
JPA/Hibernate.
Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,
Bitbucket, etc.
Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
Experience in design and development of SaaS/PaaS based architecture and tenancy models.
Experience in SaaS/PaaS based application development used by a high volume of
subscribers/customers.
Awareness and understanding of data security and privacy.
Experience in performing Java Code Review using review tools like SonarQube, etc.
Good understanding of end-to-end software development lifecycle. Ability to read and understand
requirements and design documents.
Good Analytical skills and should be self-driven.
Good communication with inter-personal skills.
Open for learning new technologies and domain.
A good team player and ready to take up new challenges. Active communication and coordination with
Clients and Internal stake holder
Requirements: Skills and Qualifications
6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
Languages: Java, J2EE, and Python
Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
DB Script: SQL and PL/SQL
Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
OS: Windows, Linux/Unix.
Cloud Services: AWS and Azure
Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
Message brokers: RabbitMQ, and Kafka
Deployment Servers: Tomcat, Docker, and Kubernetes
Build Tools: Gradle/Maven
Requirements:
• Strong understanding of Nodejs & front-end Technology.
• Strong understanding of MEAN or MERN Stack.
• Strong knowledge of HTML, CSS, RWD, Javascript, and JQuery.
• Bring 1+ years of Experience in Node with typescript or React.
• Strong OOPS ( Object Oriented Programming ) concepts.
• Good knowledge of browser caching, working with cookies and Java scripts for faster website loads.
• Mean/Mern Stack Developer with hands-on experience in Node.js, typescript, and angular.
• Experience developing and improving REST APIs.
• Experience working with AWS Clouds/Azure.
• Experience building web UI dashboards and other self-service solutions.
• Relational DB knowledge (MySQL, PostgreSQL, Oracle, or SQL Server).
• NoSQL knowledge (MongoDB, Redis, Cassandra, or Hadoop).
• Ability to recite design patterns.
• Experience leading Agile projects and getting results in Scrum or Kanban teams and workflows.
• Experience with practices such as Test-Driven Development (TDD) is a plus


1. 7 to 12-14 years of experience as a Software Developer.
2. Experience in .Net technologies - C#, ASP.net is must.
3. Experience in developing REST based APIs.
4. Experience in building web user interface.
5. Good to have experience in developing single page apps using modern JS framework.
6. Skills in cross browser development.
7. Understanding of Agile methodology.
8. Excellent trouble shooting and communication skills.
9. Knowledge of Azure will be an added advantage.
JOB DESCRIPTION -
- Developing and implementing web-based applications using .Net technology and MS-SQL.
- Developing front end with highly responsive user interface concept using React concept.
- Identifying web-based user interaction.
- Participate in requirement analysis.
- Collaborate with internal teams and positive mindset to help and seek help.
- Documentation of application development changes and updates.
TECHNICAL SKILLS
- Expert in C#, ASP.Net, Web API, MS SQL Server.
- Good to have experience in React and workflows such as Redux or Flux, MongoDB.
- Knowledge of HTML, CSS and JavaScript.
- Familiar with source control system (GIT, SVN).
It was nice talking with you
As discussed please find below the job description and other needed details
“Squadcast is an incident-management platform for software teams of all sizes and shapes”
Our product helps global organizations adopt Site Reliability Engineering practices to improve their incident resolution metrics and ultimately, the reliability of their systems. If you're excited about engaging user experiences, snappy interfaces, and trustworthy systems, we should talk!
We ideate fast, embrace change, and take risks. From scaling our business model to expanding our offerings, the day-to-day at Squadcast offers endless professional growth opportunities. Our engineers work on state-of-the-art tech stacks with a high degree of autonomy.
Position : Backend SDE3
Experience : 8 to 11 Years
Work Mode: Remote work
Location : Bangalore
Role & Responsibilities :
- Work with a team of skilled engineers to improve the Squadcast product.
- Control what you work on, how you deliver and the roadmap of the product.
- Solve service reliability problems for teams and companies worldwide.
- Build delightful experiences and scalable, reliable systems for fellow engineers, the end users of our platform.
- Plan & develop tooling, processes and technical improvements to improve the multiple codebases.
- Work closely with the product team to plan, spec and deliver features, bugfixes and documentation.
- Work with the SRE and Customer Success teams to help customers and troubleshoot issues during our paid on-call rotations.
- Build, deploy and manage services and Backend Coding using Go/Node.
You may be a fit for this role if you:
- Are passionate about building products for fellow engineers.
- Are you a full-stack engineer, or a frontend/backend engineer interested in expanding to other areas of the stack?
- Either has experience in our tech stack or wants to work on it. We care about your general engineering skills and learning abilities more than your current tech stack.
- Communicate proactively and work autonomously, requiring minimal supervision or follow-up.
- I like to collaborate and pair with other engineers.
- Want to own features end-to-end: bring your ideas to the stakeholders, build consensus, plan, implement, deploy and release.
Your Response is acknowledged!
Kind Regards,
Lakshmi Kumari. S
(Associate - TA )

Job Description:
- To resolve the tickets raised as per the defined standards of time, cost, and quality for increased customer satisfaction.
Skills and Experience
- Good SQL & PLSQL knowledge.
- Good Unix basic commands knowledge.
- Good Unix scripting knowledge will be an advantage.
- ANSI SQL
- Unix - Others/
- Experience - Fresher
-Creating Rest based Backend for both Web & Mobile Apps
-Standard Code Quality
-Can work on both SQL and NoSQL DB
-Familiar with GraphQL
Required Candidate profile
-Experience creating backend using Node.JS-Hands on experience with JavaScript Development on both client and server-side
-Experience with modern frameworks and design pattern
What we look for:
- Strong analytical and problem-solving skills
- Hands on programming work in Advance Java, Springs, Spring Boot framework,
- Ability to independently work on complex business requirements
- Ability to communicate clearly and concisely
What will you do:
You will independently work on designing and developing solutions that solve customer’s business problems. You will own the assigned problem statements, evaluate multiple technical approaches and use design-thinking to take independent decisions while implementing the solution. You will also guide junior members of the team and participate in code and design review process.
Who should apply:
You have -
- a graduate degree in BE, BTech, MTech, MCA from a reputed institute
- 5 to 7 years of hands-on experience in programming Core Java 8, Spring Boot, Spring Rest Template, Spring Security, Spring Data, Spring JDBC Template
- Good to Have experience/knowledge on Docker, Oracle, MongoDB, Quartz Scheduler, Shell scripting
- Working experience with Windows, Linux environments





