
.Net FullStack Developer (Kafka, Middleware and Retail POS)
Key Responsibilities
• Design, develop, and deploy scalable .NET applications and microservices supporting core
retail operations.
• Build and maintain robust integrations using Kafka, REST APIs, and middleware
components.
• Work closely with product, POS, merchandising, warehousing, and ERP teams to translate
business needs into reliable technical solutions.
• Optimize system performance and ensure integrations remain stable across high-volume
retail cycles.
• Implement best practices in coding, testing, CI/CD, and cloud-native architectures.
• Troubleshoot production issues with speed and a cool head—especially when it impacts
stores.
• Document technical designs, data flows, and integration contracts clearly.
Required Skills & Experience
• 6–8+ years of hands-on full stack development using .NET Core / .NET 6+, C#, and
modern frontend frameworks (React/Angular preferred).
• Strong expertise in Kafka (producers, consumers, topics, partitions, schema registry).
• Solid experience designing RESTful APIs and integrating with enterprise systems.
• Prior experience in retail technology is non-negotiable—POS, inventory, warehousing, or
ERP exposure is essential.
• Strong knowledge of relational databases (SQL Server, PostgreSQL) and caching
frameworks.
• Experience building scalable, distributed systems that can handle peak loads.
• Familiarity with containerization (Docker/Kubernetes) is a plus.
• Excellent problem-solving skills and the ability to work independently on a contract basis.
Nice to Have
• Experience with message brokers beyond Kafka (e.g., RabbitMQ)
• Exposure to cloud platforms (Azure/AWS/GCP)
• Knowledge of CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins)
• Understanding of retail data models and omnichannel workflows

About Victrix Systems Labs
About
Connect with the team
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Shortcastle is a sportstech company with presence in over 65+ countries. Flexible and fun-filled team
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 Title: Software Development Engineer 2 (SDE 2) – React / Next.js / React Native
Location: Remote
Job Type: Full-TimeAbout the Role
We are looking for a passionate and skilled SDE 2 with strong experience in React.js and Next.js, and an eagerness to contribute to mobile app development using React Native. As a core member of our frontend team, you'll play a critical role in building scalable web applications and delivering a seamless mobile experience.Responsibilities
- Design, develop, and maintain complex frontend applications using React.js and Next.js
- Collaborate with designers and backend engineers to implement responsive, high-quality UI/UX
- Participate in architectural decisions and contribute to improving development workflows
- Contribute to the development of cross-platform mobile apps using React Native
- Write clean, maintainable, and well-tested code
- Perform code reviews and mentor junior engineers as needed
- Stay up to date with the latest trends and best practices in frontend and mobile development
Requirements
- 3–5 years of experience in software development, with a focus on frontend technologies
- Strong proficiency in React.js and Next.js
- Good understanding of JavaScript, TypeScript, and modern frontend tooling (Webpack, Babel, etc.)
- Experience with state management libraries (Redux, Zustand, Recoil, etc.)
- Familiarity or hands-on experience with React Native or willingness to work on mobile apps
- Knowledge of RESTful APIs and frontend-backend integration
- Experience with Git and modern CI/CD pipelines
- Excellent problem-solving, debugging, and analytical skills
- Strong communication and team collaboration abilities
Nice to Have
- Experience with SSR and performance optimization in Next.js
- Familiarity with native mobile development (Android/iOS)
- Knowledge of testing frameworks like Jest, React Testing Library, Detox, etc.
- Experience with app deployment to App Store / Play Store
Job Responsibilities
- .Net framework
- C#
- SQL Server
- HTML
- CSS
- jQuery
- Javascript
- API web integration
- Mobile Application experience will be an added advantage
Required Candidate Profile
- Candidate needs to have good communication skills
- Ready to learn new technologies
- Candidates need to have good analytics skills
- Problem-solving skills
- Effectively communicate with team members
Perks and Benefits
- Day Shift
- Saturdays WFH
- Provident Fund
- Health Insurance
- Employee engagement activities
- To analysis business requirements, prepare design and implementation recommendations and estimate development effort
- Collaborate with cross-functional teams to define, design, and ship new features
- Lead or participate in design reviews, code reviews and architecture evolution discussions
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
- Experienced with front end programming language with React JS.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Experience with popular React.JS workflows (such as Flux or Redux
-Independent developer who can work on .Net MVC as well.
- Also can create Web Apis and can-do SQL work also.
● You can rock with your expertise in fundamental front end languages such as HTML, CSS and JavaScript.
● You can make value additions aided by your familiarity with advanced JavaScript libraries and frameworks such as React.
● You have top notch ability of server side languages such as NodeJS, Web Services, Micro service.
● Database technology such as MySQL also falls in your comfort zone.
● You can enhance our world with your Cloud Experience preferably AWS [EC2, RDS, S3, Lambda] or OCI
● You take pride in your knowledge of code versioning tools such as Git
● Third party integration like payment gateway and any Plugins
● Familiar with third party libraries like D3 Chart, Video and Audio player.
● Development experience with webcam based recording or streaming
● WebRTC protocol with any Media Server
● React with Next.JS framework
● JWT, OAuth, JSON web token, Node mailer
● Experience with WebRTC, RTSP and other streaming applications
● Good at cron Jobs development and configuration
Responsibilities:
● You’ll develop high quality front end architecture.
● You’ll build solid back-end web services/micro services
● You’ll design and develop APIs and API documentation
● You’ll help the team in designing and normalizing databases
● You’ll ensure cross-platform optimization for web and mobile phones.
● You’ll proactively ensure responsiveness of applications
Experienced in Angular js, PHP
Need fulltime developer.
work from office
..........................
We have a immediate opening for a full stack developer for Pune location.
What we are looking for:
- Strong coding and design skills
- Min 3 years of experience in full stack development
- HTML, CSS, Javascript/JQuery, Responsive Design (Must Have)
- Advanced JavaScript libraries and frameworks (React, Vue, Node)(Must Have)
- API development (GraphQL, ASP.Net)(Good to have)
- Cloud Services (Microsoft Azure)(Good to have)
- NOSQL Databases and RDBMS (MongoDB, MSSQL, Azure Cloud DB)(Must Have)
- Progressive Web Application Generator tool (Gatsby, Gridsome)(Optional)
- Knowledge of version-control system (Git)(Good To have)
Key Deliverables:
- You will be responsible for the design, development, validation, deployment and sustenance of features for Web applications
- Passion for growing your skills, experimenting and solving challenging problems
- Strong communication skills
As a Full Stack Developer, you will develop applications in a very passionate environment being responsible for Front-end and Back-end development. You will perform development and day-to-day maintenance on large applications. You have multiple opportunities to work on cross-system single-page applications.
Required Skills
- ASP.net (Web API), Entity Framework 6, C# (.NET 4.5),
- MYSQL
- Javascript (experienced writing modular, object-oriented Javascript)
- Knowledge with jQuery, AngularJS libraries
- E Knowledge with RESTful web services HTML5, CSS3, BootStrap 3 of multiple design patterns
- Experience Wth Git based version control
- Minimum 2+ years developing production JavaScript code and strong knowledge of React.JS
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The ValidateMe Online platform enables the users to securely store and share their employment, educational and personal documents. ValidateMe uses blockchain technology to maintain the privacy of the documents and ensures that only the owners have the authority to view or share the documents. It acts as a common platform for users and organizations, educational institutes and universities to complete the background process seamlessly and quickly.
What You Will Do
- Lead the delivery of high quality, innovative, flexible, and scalable technical solutions that meet business requirements
- Perform hands-on development and provide thoughtful code reviews
- Mentor and lead development team members to continuously improve quality and productivity to achieve business results
- Design, develop, test and support applications and services using React, NodeJS, mongoDB, blockchain and others.
- Engage in requirements analysis and product engineering discussions, leading to delivery of high-quality user stories and acceptance criteria.
- Conduct Proof of Concepts for testing business ideas.
- Recommend ways to improve reliability, maintenance, efficiency, and quality.
- Follow SCRUM Agile Development methodology
What You Will Need
- 6+ years of relevant experience
- Advanced knowledge of software development methodology, techniques & standards.
- Strong understanding of software design concepts, patterns, tools and best practices.
- Must have full stack experience using NodeJS, React and NoSQL Databases.
- Must have worked on at least one cloud platform.
- Should have built and used a REST API.
- Experience with mongoDB is a plus.
- Experience with blockchain technology is a plus.
- Background building container using docker and deploying using Kubernetes is a plus.
Who You Are?
- One with excellent communication and prioritization skills.
- Owns success – Takes responsibility for the successful delivery of the solutions.
- Strong desire to improve upon one’s skills in software development, frameworks and technologies
What We Offer
- Limitless growth and learning opportunities.
- A collaborative and positive culture — Your team will be as smart and driven as you.
- Outstanding compensation, including attractive Employee Stock Options.
- A chance to make an impact — Your work will contribute directly to our strategy.










