Backend Developer

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.

Job Description:

• Excellent troubleshooting and communication skills
• Participate in requirements analysis and give estimates for development.
• Collaborate with internal teams to produce software design and architecture
• Client handling experience
• Write clean, scalable code using .NET programming languages
• Test and deploy applications and systems
• Revise, update, refactor and debug code
• Improve existing software
• Ability to work as a team player also as an individual contributor.
• Understanding of Scrum, Agile and Agile processes.

Required Knowledge, Skills, and Abilities:

• 3+ years of C#, .Net core, ASP.NET MVC professional development experience
• Candidate should have  hands-on with Logic App, Function App, Azure Function
• Working experience on SQL Server and No SQL Database
• Experience in ORM like LINQ & Entity Framework
• Knowledge of the NoSQL Database will be a great advantage.
• Great analytical skills and logical reasoning.
• Thorough understanding of object-oriented programming concepts, and data structures.
• Experience designing and consuming REST APIs
• Experience in JavaScript, jQuery or related frameworks.
• Knowledge of Code Repository systems including GIT, Github & SVN
• Should have strong practical knowledge of API Management Services (APIM)
• Good to have: Angular JS, React JS or any other frameworks.

Tools :  Visual Studio ,Visual studio code ,SQL server management studio, swagger and postman tool
Educational Qualification: BE, MCA OR Msc IT

Job Description:

As a Software Development Engineer at Lyzer.io you will-

• Be a part of our initial core team to design and develop our platform
• Work on building scalable backend platform for seller apps, dashboards, analytics platform, product information management platform and several cross-platform software components
• Participate in the process to fundamentally change the food and grocery ecosystem in India, and impact billions of people through technology, mobile, and data science

An ideal candidate for this role is someone who has-

• BE/BTech degree in Computer Science from a respected engineering school
• 3-5 years of professional software development experience
• Relevant practical experience in Python Flask development as well as LAMP Stack
• Strong problem-solving skills and strong command on object-oriented design, data structures, algorithms and other computer science fundamentals.
• Strong coding skills – professional experience in developing production-quality
• Expertise in Web Services, Service-oriented architecture, Databases, MySQL, Distributed systems, Cloud
• Extreme software engineering skills to design and develop low-latency, high availability, internet-scale web services
• Solid understanding of the full software development life cycle and software engineering best practices
• Ability to understand business requirements and translate them into technical requirements
• Demonstrated ability to own software design and development end to end from requirements to launch.
• Ability to collaborate with cross-functional teams to define, design, and ship new
• A startup mindset – An athlete who can run at the breakneck speed of a startup, yet someone who can bring method to madness through processes suitable for different stages of the company – early-stage prototyping and rapid experimentation, before product/market fit, after product/market fit, and
• Familiarity with Agile development, Scrums, continuous integration, and test-driven development processes
• Data-driven product development approach – strong focus on data-backed engineering
• Ability to develop products incrementally in fast iterations
• Ability to do collaborative problem solving and design/build chaos resilient systems
• Strong focus on software quality
• Ability to mentor junior developers, and help build an excellent engineering team
• Ability to be a talent magnet – attract great talent to join the core

We are looking for warriors who have the hunger to impact real lives and who can match our high bar on Core Values that we live by.

If you-

• can apply first principles thinking to solve problems
• can envision a great future that you want to create
• have the fire in your belly to get out of your cube and do something about your vision and passion
• want to work with some really smart people, and still raise the bar for all of us
• can have fun and help your colleagues have fun doing all of the above

Hello,

My name is Amim and I'm a part of the Talent Acquisition team in PayU India!

Were looking for a seasoned Backend engineers who would work on cutting edge technologies to solve complex problems in FinTech world. We are currently looking for bright and talented backend engineers, who can bring new ideas to the table and contribute to our strategy in a big way.

If you like to solve complex problems and challenges, that too in a fast-moving and dynamic environment, this is great opportunity for you.

Who were looking for

Position :      Senior Software Engineer / Lead Software Engineer

Experience : 4 yrs - 9 yrs

Job Location: Bangalore / Gurgaon / Pune(Currently WFH)

Key Skills :  Object Oriented Programming ( Java / Go Lang), Problem Solving, Data Structures Algorithms, System Design Microservices / Spring Boot, Distributed Systems, AWS, Cloud, Scalability, Web Security, Kafka, Elasticsearch, Mo SQL / MongoDB / MySQL etc.  

Desired Profile

B.E / B. Tech / M. Tech in computer science or equivalent with excellent academic record.

Experience in any language like Java / GoLang / Core Java / Scala / RoR and object oriented design.

You will be Translating high level business problems into scalable design and code.

Very strong in Data Structures and Algorithms with excellent programming skills

Have experience in building and maintaining large scale web applications in service oriented architecture.

Passion for adopting new technologies at rapid pace and working in a highly agile environment

What we offer

A positive, get-things-done workplace

A dynamic, constantly evolving space (change is par for the course important you are comfortable with this)

An inclusive environment that ensures we listen to a diverse range of voices when making decisions.

Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale

Access to 5000+ training courses accessible anytime/anywhere to support your growth and development (Corporate with top learning partners like Harvard, Coursera, Udacity)

 About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at http://www.payu.com">www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.

If you are interested, please share your resume on md.amim at payu.in

Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.

We are looking for programmers with problem-solving skills and critical thinking abilities for the position of Back End developer. Back End developers are responsible for creating a bridge between customers and business logic, optimizing applications for maximum efficiency, creating dashboards for internal teams, and maintaining brand consistency across the application, among other duties.

Backend Web Developers are responsible for managing the interchange of data between the server and the users. The role's 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. A basic understanding of front-end technologies is necessary as well.

Responsibilities -

• Creating RESTful API/GraphQL to be consumed by Flutter developers
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Provide training and support to internal teams

Skill & Qualifications -

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Understanding accessibility and security compliances
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Setup and administration of backups
• Outputting data in different formats
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of OWASP security principles
• Understanding of “session management” in a distributed server environment
• Knowledge of Yii framework - version 2 (preferred)

• Strong knowledge of PHP web frameworks (Core PHP, CodeIgniter, Laravel).
• Should be strong in jQuery.
• Good knowledge of relational databases, version control tools and of developing web services Hands on Experience in Design, Development, Module Handling.
• Candidate should have strong knowledge of Api creation as well as third party Api integration