Senior Full Stack Developer (.NET / React)

Job Title: Senior Technical Consultant

Employment Type: Full-Time

Location: Remote

Experience: 5+ Years

Key Responsibilities

Backend Engineering (Primary Focus – ~80–90%)

• Design and build scalable, secure, high-performance backend systems.
• Work with one or more modern programming languages:
• Java, Python, Go, Ruby on Rails, Rust, or Node.js
• Write clean, reusable, testable code and maintain strong unit test coverage.
• Engage in architecture discussions, code reviews, and code pairing.
• Implement and maintain CI/CD pipelines and follow DevOps best practices.

Frontend Contribution (Optional – ~10–20% if willing)

• Not mandatory, but you may occasionally take small frontend tasks.
• Ability to discuss frontend fundamentals (React/Angular basics) is preferred.
• Exposure to HTML/CSS/JS is a plus but not required.
• Willingness to learn or contribute to UI tasks when needed is appreciated.

Client Collaboration

• Work directly with clients to understand business and technical requirements.
• Explain decisions, trade-offs, and architecture clearly and confidently.

Team Collaboration

• Work independently within a distributed global team environment.
• Contribute across the complete product lifecycle and engineering decisions.

Tech Stack for the Role

Backend (Primary)

Must have experience in at least one:

• Java
• Python
• Go
• Ruby on Rails
• Rust
• Or:
• Node.js

Frontend (Optional)

• React or Angular (only if willing)
• HTML & CSS (optional)

Required Skills & Experience

• 5+ years of hands-on backend development experience.
• Strong polyglot programming capability across at least 2 backend stacks.
• Solid understanding of:
• System Design & Architecture
• Design Patterns
• Object-Oriented & Functional Programming Concepts
• Experience with CI/CD pipelines, testing frameworks, and DevOps workflows.
• Ability to work independently with minimal supervision.
• Excellent communication, analytical thinking, and client-facing skills.

Nice to Have

• Experience with Microservices, Docker, Kubernetes.
• Prior consulting, client-facing, or solution-engineering experience.
• Exposure to AWS / GCP / Azure cloud environments.

Our organization maintains a diverse set of applications written primarily in C#. The

repository includes ASP.NET MVC solutions on .NET Framework 4.8, Windows Forms

utilities, PowerShell scripts, and newer ASP.NET Core services targeting .NET 8.0. Key

technologies used across these projects include PetaPoco, log4net, Twilio APIs, Selenium

WebDriver and integration with OpenAI’s ChatGPT service.

Responsibilities

• Enhance and maintain our main web application, ASCLOGS, built on ASP.NET MVC

(.NET Framework 4.8) with features such as authentication, PDF generation via

IronPdf, audit logging with log4net, Twilio SMS integration, and data access through

PetaPoco.

• Support multiple companion projects including:

• CopyForm, an MVC tool that copies form templates between SQL Server

databases using AJAX and PetaPoco data access.

• SQLImportApp, a WinForms importer leveraging ExcelDataReader and

Z.Dapper.Plus for bulk inserts.

• DEAVerification, a WinForms app automating data retrieval via Selenium

WebDriver and storing results with PetaPoco.

• UniversalScrapperAPI, an ASP.NET Web API that scrapes licensing

information using Selenium and logs results with log4net.

• HL7DocAssistantSync, a VB.NET library for HL7 message processing and

PDF generation with PdfSharp.

• ChatGPT Implementation, a .NET 8 Web API example showing how we

integrate with OpenAI's ChatGPT service.

• S3MicroService, a .NET 8 Web API using AWS SDK packages

(AWSSDK.S3, AWSSDK.Extensions.NETCore.Setup) and Entity Framework

Core for storage.

• Maintain PowerShell utilities used for onboarding tasks such as document-to-PDF

conversion and CSV generation.

• Review existing code to improve reliability, enhance testability, and refactor large

code files (for example, BusinessLayer/BusinessLayer.cs is roughly 28k lines).

• Work closely with stakeholders to gather requirements for new features and ensure

compatibility with our SQL Server backend.

• Assist in modernizing legacy components and implementing best practices for

security, error handling, logging, and deployment automation.

Required Skills

• 10+ years of development experience

• Extensive experience with C# and the .NET ecosystem, including both legacy .NET

Framework and modern .NET Core / .NET 8.

• Solid understanding of ASP.NET MVC, Web API, and Windows Forms development.

• Familiarity with PetaPoco, Entity Framework Core, and SQL Server.

• Experience integrating third-party services such as Twilio, OpenAI, Selenium

WebDriver.

• Ability to write and troubleshoot PowerShell scripts for automation tasks.

• Comfortable navigating large codebases and improving code quality through

refactoring, unit testing, and documentation.

• Proficiency with version control (Git) and the Visual Studio toolchain.

Preferred Skills

• Background in healthcare or regulated industries, since many applications manage

sensitive data (e.g., DEA verification, HL7 messaging).

• Knowledge of PDF generation libraries (IronPdf, PdfSharp) and logging frameworks

(log4net).

• Experience with CI/CD pipelines for .NET applications.

• Nice to have Unit Testing frameworks (i.e. NUnit, MS Testing Framework )

Location & Work Environment

This role requires working with Visual Studio on Windows for the .NET Framework solutions

and .NET 8 projects. Experience with IIS or IIS Express is helpful for local development and

testing.

Job Summary: 

We are looking for a talented Full Stack Developer with experience in C# (ASP.NET Core Web API), React, and SQL Server. The successful candidate will be responsible for designing, developing, and maintaining robust web applications and APIs, ensuring seamless integration between the front-end and back-end systems. 

Key Responsibilities: 

Full Stack Development: Design, develop, and maintain web applications using C#, ASP.NET Core Web API, and React. 

API Development: Create and maintain RESTful APIs to support front-end applications and integrations. 

Database Management: Design, optimize, and manage SQL Server databases, including writing complex queries, stored procedures, and indexing. 

Front-End Development: Implement user interfaces using React, ensuring a smooth and responsive user experience. 

Code Quality: Write clean, scalable, and well-documented code following best practices in software development. 

Collaboration: Work closely with cross-functional teams, including UI/UX designers, back-end developers, and DevOps, to deliver high-quality software solutions. 

Testing & Debugging: Conduct unit testing, integration testing, and debugging to ensure the quality and reliability of applications. 

Continuous Improvement: Stay updated on the latest industry trends and technologies and integrate them into development processes where applicable. 

Required Qualifications: 

Experience: Proven experience as a Full Stack Developer with a strong focus on C#, ASP.NET Core Web API, React, and SQL Server. 

Technical Skills: 

Proficient in C# and ASP.NET Core Web API development. 

Strong experience with React and related front-end technologies (JavaScript, HTML, CSS). 

Expertise in SQL Server, including database design, query optimization, and performance tuning. 

Familiarity with version control systems like Git. 

Understanding of RESTful architecture and Web API design. 

Problem-Solving: Excellent analytical and problem-solving skills with the ability to troubleshoot complex issues. 

Communication: Strong verbal and written communication skills, with the ability to articulate technical concepts to non-technical stakeholders. 

Team Collaboration: Ability to work effectively in a team environment, collaborating with cross-functional teams to achieve project goals. 

Preferred Qualifications: 

Experience with ASP.NET Core MVC or Blazor. 

Knowledge of cloud platforms such as Azure or AWS. 

Experience with Agile/Scrum development methodologies. 

Education: 

Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience)

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.

About Briq

With locations in California, Canada and India, Briq is altering the landscape for construction decision making. We are harnessing the power of data to build the industry's first construction data cloud. Leaders in automation, machine learning, and artificial intelligence, Briq is helping construction companies minimize risk and maximize success.

Briq is a financial automation platform that is changing the way construction companies run their business.

Know More About Us

https://angel.co/recruit/jobs/2225999">https://br.iq/about/us

https://angel.co/recruit/jobs/2225999">https://techcrunch.com/2019/02/22/briq-the-next-building-block-in-techs-reconstruction-of-the-construction-business-raises-3-million/

Tech Stack

Must Have

Python 3.6 or later, Flask or Django, Microservices, SQL / NoSQL , REST APIs , Redis , Docker, Design Patterns, Unit Testing, HTML/ CSS / Javascript, VueJs or ReactJs, Git, Low Level System Design

Nice To Have

Cloud (AWS/ GCP / Azure), Software Best Practices, Data Structures, Algorithms, System Design, Gitlab, Database Design, ELK Stack, Messaging technologies like RabbitMQ, Apache Kafka etc.

Responsibilities

Develop applications and features Identify and resolve roadblocks ahead of time
Be an independent contributor with high throughput
Align with product and project managers and ensure proper handoff of requirements
Develop, test, debug, support, and enhance software as per product specifications
Maintain strong coding, compliance, and security standards
Evaluate and provide technical solutions to solve a variety of complex and interdependent processes.
Drive complete ownership over every technical aspect of the features As part of the team, ensure members adhere to our code quality and testing standards.

Your Qualifications

Working experience in VueJs or ReactJs 3-7 years
Working experience in Python 3-7 years
Demonstrated end-to-end ownership for development of least one cloud-based product -
Experience in building microservices / platforms is desirable
Exceptional communication and interpersonal skills - including work estimation, facilitation, and consensus building skills Mentoring / coaching Junior Engineers.
Willingness to learn new technologies is a must
Proven ability to project and meet estimated deadlines
Self-motivated, fast learner with attention to detail and quality
Excellent diagnostic, troubleshooting, and communication skills

Benefits

Modern tech stack for curious minds - Cloud, Kubernetes, Microservices Extensive individual responsibility and support to grow professionally Market competitive pay Best in industry wellness benefits - medical insurance, leaves, work-life balance Flexible work hours Remote work Transparent culture and process with open access to management

Essential Job Functions:

1. Implement application components and systems according to department standards and guidelines.
2. Work with product and designers to translate requirements into accurate representations for the web.
3. Analyze, design, code, debug, and test business applications.
4. Code reviews in accordance with team processes/standards.
5. Understand and work with data in varying degrees of complexity and scale.
6. Responsible for planning, processing and performing all jobs in an efficient manner.
7. Provide assistance to testers and support personnel as needed to determine system problems.
8. Resolve problems involved with integrating new technologies with systems.

* Essential functions are the basic job duties that an employee must be able to perform, with or without reasonable accommodation.  The function is considered essential if the reason the position exists is to perform that function.

Supportive Job Functions:

1. Remain knowledgeable of new emerging technologies and their impact on internal systems.
2. Available to work on call when needed.
3. Perform other miscellaneous duties as assigned by management.

*These tasks do not meet the Americans with Disabilities Act definition of essential job functions and usually equal 5% or less of time spent.  However, these tasks still constitute important performance aspects of the job.

Knowledge, Skill, and Abilities:

1. Experience using Python, JavaScript, and React.
2. Experience with web services and RESTful APIs.
3. Experience in cloud infrastructure
4. Experience with Sql and NoSql databases
5. Familiarity with modern CI/CD methods
6. Ability to organize, prioritize, and handle multiple assignments on a daily basis.
7. Strong and effective inter-personal and communication skills
8. Ability to interact professionally with a diverse group of clients and staff.
9. Must be able to work flexible hours on-site and remote.
10. Must be able to coordinate with other staff and provide technological leadership.
11. Ability to work in a complex, dynamic team environment with minimal supervision.
12. Must possess good organizational skills.

Education, Experience, and Certification:

1. Associate’s or bachelor’s degree preferred (Computer Science, Engineer, etc.), but equivalent work experience in a technology related area may substitute.
2. 5+ years relevant experience, required. *
3. Experience using version control daily in a developer environment.
4. Experience with Python, JavaScript, and React is required.
5. Experience using rapid development frameworks like Django or Flask.
6. Experience using front end build tools.

The Senior Full Stack Developer is responsible for bringing the platform to the next level and ensuring the stability of the core platform. S/he will report directly to our GM and will have the opportunity to participate in the next phase of growth at Delishop, developing the platform and adapting it to meet the needs of new verticals. S/he will have flexibility and responsibilities from day one with expectations to contribute to the growth of the company by bringing new ideas and solutions to the table.

Duties:

• Coordinate project work with junior staff under the supervision of the GM.
• Act as a technical lead to the junior staff
• Lead production troubleshooting.
• Participate in the ideation of how to optimise the platform.

Requirements:

• At least 4-5 years of working experience in development.
• Very good knowledge of ReactJS including workflows (eg: redux)
• Good knowledge of the LAMP stack (Linux, Apache/Nginx, MySQL, PHP).
• Experience creating and using APIs (REST)
• Solid experience with ExpressJS/lambda and other backend technologies
• Understand of token and authentication mechanisms (eg: JWT)
• Experience with AWS, Command line tools and Auto-Scaling Environments.
• Comfortable with GIT (CLI), including branching and merging.

Desirable Qualifications:

• Eager to try out and learn about new technologies and approaches every day.
• Attention to detail, problem solving and teambuilding skills.
• Able and confident to communicate in English with colleagues and clients.
• Curious about best practices and adopting them;
• Experience with leading development teams and interacting with clients.
• Works hard, party harder.

Compensation

• USD 1000-1200 per month
• Working Hours: TBD