Senior Software Engineer

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.

As a Senior Software Engineer, you need to have:
● Advanced knowledge of PHP, Nodejs, MySQL, HTML/CSS, Javascript etc.
● Some experience in managing engineering teams of 5-20 people.

Work Details:
● Your work will involve managing software development team via web and mobile
technologies like PHP/Laravel, MySQL, Node.js, MongoDB, React, Angular, Ionic, AWS
etc.
● Lead, Coach and mentor a strong and passionate team of web and mobile Engineers and Designers
● Drive new features and improve performance
● Define or Review architectural standards and processes
● Drive performance analysis and optimization efforts
● Help set and fulfil the engineering hiring plan for the team including sourcing, screening
and interviewing
● Represent the team in engineering and product meetings
● Work with teams across Squareboat to ensure a seamless user experience for our
client's customers
● Champion continuous improvement to help raise the bar on quality, performance and
maintainability
● Keep abreast of the changes in the industry and champion new technologies and
development processes within the team

You need to have:
● 5+ years of relevant software development experience
● Bachelor’s or Master's degree in Computer Science, Computer Engineering or a related
technical discipline
● A good understanding of the software development lifecycle
● Some interesting side projects you have done or a Github profile with real open source
contributions will be a big plus

Benefits:
● Working with the latest web technologies in an early-stage product startup, with plenty of
opportunities to learn
● You will work directly under the mentorship of other senior designers/developers and the
startup's founders

Skills:
● PHP, Javascript, MySQL, AngularJS, React.js

Job Description

We are looking for a PHP Developer responsible for managing back-end services and the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities

• Integration of user-facing elements developed by front-end developers
• Build efficient, testable, and reusable PHP modules
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)

Skillsets required

1. Full-stack PHP Developer
2. Backend in Core PHP with API integration experience
3.  Must have good US experience
4. HTML5
5. CSS3
6. Angular JavaScript
7. Oops

Responsibilities: 

• Develop backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

Requirements:

• 5+ years of software development experience
• Strong computer science fundamentals
• Deep and wide knowledge of Java ecosystem
• Can write code that is readable, maintainable, secure and performant
• Know the importance of tests and how to approach writing different types of tests
• Good intuition for REST API design
• Deep understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing highly concurrent systems
• Experienced in using profilers, tuning garbage collection, optimizing SQL queries

Bonus:

• Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
• Know how to use test driven development as a design tool
• Good intuition for the principles underlying object-orientation, particularly encapsulation
• Understand the importance of immutability and of reducing the state-space of objects
• Know how to refactor large codebases safely
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools

GlobalShaala aims to build a decentralised learning system for children that enables garnering inspiration for learning from educators and industry leaders alike. A personalised platform that grows with the child and helps him/her to engage in experiences that unravels his/her competences and interests. 

We are building India's first platform where children of K-12 can engage in:

* Destination-based educational experiences, which involves curriculum mapped experiences at global destinations where kids can apply their learning.

* Virtual educational experiences by interacting directly with industry leaders. Children get to discuss the ‘Why?’, ‘How?’ and ‘Where?’ of current classroom topics directly with industry leaders and understand how the fundamentals they are dealing with are being used to solve problems with real world applications.

Qualifications:

- B.Sc/B.Tech in Computer Science or a related field.

- Strong coding, data structures and algorithms.

- 1+ year experience in PHP (Laravel).

- Experience or keen interest to take ownership of code deployment in Linux based servers, Docker, Jenkins.

- Hands-on experience with relational databases like MySQL, Postgres.

Responsibilities:

- Design and develop software for given requirements.

- Involvement in the full software development lifecycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs.

- Troubleshoot, test and maintain the core product software and databases to ensure strong optimisation and functionality.

- Communicate cross-functionally, collaborate with business teams, engineers to plan, own and deliver solutions on time.

Horizzon is looking for Sr. PHP Developer having 4-5 years of experience. The Individual should be passionate about technology, experienced in developing and managing cutting edge technology applications.

Horizzon is a leader in eLearning Technology space and has been delivering innovative solutions for last 10 years. For more details, please visit https://www.horizzon.com

Requirement

• 3-6 years of hands on experience in PHP & MySQL
• Expertise in MVC Frameworks (Yii 2.0 OR Laravel)
• Good knowledge of JQuery, JavaScript, AJAX, HTML5, CSS3
• Expertise in REST APIs & JWT tokens
• Proficient understanding of version control repository tools, such as BitBucket or Github
• Experience using AWS Cloud, especially AWS S3 and Cloudfront.