Fullstack Developer

Responsibilities

Technical Development & Delivery

• Lead the development and release process for assigned products and platform components.
• Design, develop, and maintain secure, scalable, and high-performing applications using .NET Core / .NET 6+.
• Develop modern front-end interfaces using JavaScript frameworks (React / Next.js) or Blazor.NET / WPF.
• Collaborate with developers to integrate user-facing elements with server-side logic and APIs.
• Build and maintain RESTful APIs, microservices, and backend services.

Product & Cross-Functional Collaboration

• Work closely with Product, QA, and DevOps teams to deliver new features and enhancements.
• Participate in technical discussions and product planning, helping prioritize development tasks and improvements.
• Act as a technical subject matter expert for relevant product modules when needed.

Database & Platform Support

• Work with Cosmos DB and SQL-based databases to support application functionality.
• Collaborate with DBAs to design and maintain database schemas, queries, and stored procedures.
• Support UAT and production environments, troubleshooting technical issues and ensuring system reliability.

Quality, Security & Performance

• Work with Quality Assurance teams to ensure the delivery of high-quality and reliable software.
• Implement secure coding practices and support vulnerability assessments and security audits.
• Monitor and optimize application and API performance.
• Contribute to logging, monitoring, and alerting mechanisms to support system observability.

Mentorship & Team Development

• Mentor and support junior developers and new team members.
• Promote best practices in coding, testing, and documentation across the engineering team.
• Contribute to continuous improvement of development standards and engineering processes.

Absolute Must have’s (essential requirements)

• Strong expertise in C# and .NET Core / .NET 6+ development.
• Experience with at least one of the following front-end technologies:
• Blazor.NET or WPF
• JavaScript frameworks such as React or Next.js
• Strong understanding of object-oriented programming, design patterns, and domain-driven design.
• Experience with SQL Server / PostgreSQL and Entity Framework Core.
• Familiarity with tools such as Syncfusion, Datatables, and AutoMapper.
• Experience building and integrating RESTful APIs and microservices.
• Proficiency with Git and CI/CD pipelines.
• Exposure to cloud platforms such as Azure or AWS.
• Strong problem-solving, debugging, and analytical skills.

Good to have (preferred/optional  requirements)

• Experience working with modular application frameworks such as ABP.IO.
• Understanding of payment systems, financial platforms, or transaction processing systems.
• Experience working in Agile / Scrum environments.
• Familiarity with DevOps practices, Docker containers, and Kubernetes.

MERN Stack Expertise: Strong hands-on experience with MongoDB, Express.js, React.js, and Node.js.

Frontend Skills: Proficiency in React (Hooks, Redux, Context API), JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind/Bootstrap.

Backend & APIs: Building scalable microservices, REST/GraphQL APIs, authentication & authorization flows.

Database & Cloud: Expertise in NoSQL (MongoDB) and deployment on AWS/GCP/Azure with CI/CD pipelines.

Fintech/Payments Domain:

• Payment Gateway Integrations (Razorpay, Cashfree, PayU, CCAvenue, BillDesk).
• Banking APIs (UPI, IMPS, NEFT, RTGS, NACH) for Pay-In / Payout solutions.
• Knowledge of reconciliation, settlements, fraud detection, KYC/AML, PCI-DSS compliance.

Gaming Domain Exposure (Preferred):

• In-app purchase systems, wallets, tokens/credits, reward points.
• Real-time payment flows in multiplayer or gaming platforms.

Problem Solving: Ability to design, develop, and deploy independently from Day 1 with minimal supervision.

About the job

Whirldata Inc. is an AI/Data Sciences/App Dev company established in 2017 to provide management and technology consulting services to small and medium enterprises across the globe. We are headquartered in California and our team works out of Chennai. The specific focus is on

1. Helping clients identify areas where Data Sciences and AI-based approaches can increase revenues, decrease costs or enhance customer engagement experience
2. Help clients translate business needs into process flows for exploratory and cutting-edge applications
3. Provide appropriate and targeted solutions that can achieve the planned objective

Whirldatas management team consists of individuals with a combined 45+ years of management and technology consulting experience, spanning multiple verticals such as finance, energy, retail, manufacturing and supply chain/logistics. Please look up our website and go through the blogs/videos/articles to find out more about us.

Working Philosophy

Whirldata works on the principle that, larger business goals come first and any technology-intensive solutions need to support necessary business goals. Hence all engagements start as a management consulting exercise and solution building follows after a thorough understanding of business needs.At Whirldata, we put our minds together, mix technology, art & math to deliver a viable, scalable and affordable business solution. We are passionate about what we do because we know that our work has the power to improve businesses. You can join our team working at the forefront of new technology, solving the challenges that impact both the front-end and back-end architectures, and ultimately, delivering amazing global user experiences.

Who we are looking for:

Full Stack Engineer (Position based in Chennai)

The following criteria are mandatory requirements and we strongly encourage that you apply only if you meet all these criteria:

1. Minimum 3 years of work experience

2. Proven capability to understand clients business needs

3. At least one demonstrable stint of architecting a database from scratch

4. Multiple programming language capabilities a must. In-depth knowledge of at least one programming language

5. Willingness to wear multiple hats depending on our business needs will be a priority

6. At least 2 years of hands-on experience in front-end development

7. Knowledge of current tools, platforms and languages an absolute must

8. Hands-on experience in cloud technologies and project management capabilities will be considered favourably

What do you get in return

• AI, Data Sciences and App dev require individuals who are both business and tech-savvy. We will turn you into one and make you a rockstar!
• You will get to work in an environment where your effort helps the customer and you will get to see it
• We will provide on-the-job training that will make you a doer and not a talker on data sciences, AI and app dev
• Opportunities to shine and pave your own way forward. We are good at identifying your talents and providing a platform where you will get immense satisfaction from demonstrating the same.
• Of course - we will pay you well too!

If you are interested - please apply with a small note with your thoughts on why you find this opportunity exciting and why you are willing to consider a move.

Role Objectives 

• Participate in complex design and software development tasks within an appropriate schedule, task, and quality guidelines set in conjunction with the Senior Platform Specialists and Platform Architect  

• Hands-on development and implementation of solutions including configuration of our platform components and custom development 

• Tasks associated with testing and documentation of solution implemented 

Academic Qualification
B.E/B.Tech/MCA in computer science Engineering or a related field. 

Experience Profile  

4 to 10 years of experience in development or platform implementations. 

Required Technical Skillset for Java Development
Java/J2EE, HTML, CSS. JavaScript, SQL, Servlets, Spring Boot, Hibernate, Web services, SOAP, Restful API

Good to have:
Knowledge in Liferay themes & hooks, Ant, Maven, CI/CD, AWS/GCP/Azure, Docker experience 

Must be capable of coding and unit testing their own code
Team player with good interpersonal skills
Should have strong analytical skills                                                     
Good communication skills
Capable of juggling several priorities and delivering results on time in a high-pressure, dynamic environment.

• Strong knowledge in .NET application development with hands-on experience in .Net core and azure.
• Good knowledge in front-end design (HTML5, CSS (SASS/LESS), Bootstrap, JQuery.
• Develop code based on design/architectural patterns, adhere to coding standards.
• Experience in developing and using RESTful Services and APIs.
• Knowledge of using Git and Version Control Systems.
• Testing and debugging with unit tests.
• Understanding of Agile methodologies. 
• Mandatory skills: NET Core, http://asp.net/" target="_blank">ASP.NET, C#, LINQ, Entity Framework, MS SQL, HTML5, JavaScript, jQuery.

We are seeking a WordPress Developer responsible for both back-end and front-end development, including creating WordPress themes and plugins. This position requires a combination of programming skills (namely PHP, HTML5, CSS3, and JavaScript) and aesthetics (understanding element arrangements on the screen, the color and font choices, and so on). The candidate should have a strong understanding of industry trends and content management systems. Experience with the responsive and adaptive design is strongly preferred. Also, an understanding of the entire web development process, including design, development, and deployment is preferred.

• Designing and implementing new features and functionality
• Establishing and guiding the website’s architecture
• Ensuring high-performance and availability, and managing all technical aspects of the CMS
• Helping formulate an effective, responsive design and turning it into a working theme and plugin.

• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
• Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers
• Ability to convert comprehensive layout and wireframes into working HTML pages
• Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
• Strong understanding of PHP back-end development
• Basic onpage SEO skills