
Dot Net Full Stack Developer
Job Overview
We are seeking a skilled .NET Developer who can design, develop, and maintain both conventional .NET applications and modern cloud-ready solutions. The ideal candidate will have expertise in Microsoft SQL Server, Azure DevOps CI/CD, Azure AD-based SSO, and integration with enterprise applications using MuleSoft APIs. The role also involves modernizing legacy applications, migrating to Azure Cloud, and building responsive web applications using Razor Pages, Bootstrap, and jQuery, as well as modern alternatives like Blazor, Tailwind CSS, and React/Angular.
Responsibilities:
- Develop and maintain .NET Framework (4.x) and .NET 9 applications.
- Build responsive web applications using Razor Pages, Bootstrap v5.3.3, and jQuery 3.7.1.
- Document functionalities through reverse engineering and through communication with other developers. Draw architecture diagrams, and maintain application documentation
- Design and optimize SQL Server schemas, stored procedures, and queries.
- Integrate .NET applications with enterprise systems via MuleSoft APIs.
- Implement Single Sign-On (SSO) using Azure Active Directory.
- Design and maintain CI/CD pipelines using Azure DevOps.
- Migrate legacy .NET Framework apps to .NET 9 and deploy to Azure.
- Implement containerization using Docker and orchestration with Kubernetes.
- Ensure application security, scalability, and performance optimization.
- Collaborate with architects, QA, and business teams in agile environments.
- Develop and enhance software products mainly located in the European geography, and thus ability to support during CET timezone is must.
Required Framework & Technologies
- .NET Framework (4.x) and .NET 9
- C# programming language
- ASP.NET MVC, ASP.NET Core, Razor Pages
- Bootstrap CSS Framework v5.3.3
- jQuery 3.7.1
- Modern Alternatives: Blazor (Server/WebAssembly), Tailwind CSS, React, Angular
- Entity Framework Core, LINQ, Dapper
- Microsoft SQL Server (T-SQL, Stored Procedures, Performance Tuning)
- MuleSoft API Integration
- Azure Active Directory (SSO, OAuth, JWT)
- Azure DevOps (CI/CD pipelines, Release Management)
- Git, YAML pipelines
- Azure App Services, Azure Functions, Azure Kubernetes Service (AKS)
- Docker, Kubernetes
- Application Insights, Azure Monitor
Preferred Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field.
- Strong proficiency in C# and .NET technologies including .NET 9.
- Experience with Razor Pages, Bootstrap, and jQuery for front-end development.
- Familiarity with modern alternatives like Blazor, Tailwind CSS, and React/Angular.
- Hands-on experience with Azure DevOps and CI/CD pipelines.
- Knowledge of Azure AD authentication and SSO implementation.
- Experience in integrating applications using MuleSoft APIs.
- Familiarity with cloud migration strategies and Azure services.
Experience
- 3+ years of experience in .NET application development.
- 2+ years of experience in Azure Cloud ecosystem and DevOps.
- Experience in migrating legacy applications to modern .NET platforms.
- Experience in containerization and orchestration (Docker, Kubernetes).
What is in it for you?
- Opportunity to work on a technically challenging and impactful product.
- Joining a values-driven, employee-centric organization that prioritizes well-being.
- Being part of a growing start-up setting new standards for employee experience while delivering breakthrough digital products.
- Exposure to an international distributed work environment with industry-leading clients.
- A Hybrid-first setup, giving you the flexibility to work from anywhere 40 percent of the time in a week.
- First-hand experience working directly with large client organizations, solving meaningful challenges (not in an “outsourced” model).
- Collaborative and supportive team environment that values empathy and camaraderie.
- Professional development and continuous learning opportunities.
- Competitive salary package and a strong emphasis on work-life balance.
Must have Skills
- .Net - 3 Years
- DevOps - 2 Years
- C Sharp - 3 Years
- .NET 9 - 3 Years
- Razor Pages - 2 Years
- ASP.NET Core - 2 Years
- ASP.NET MVC - 2 Years
- Blazor - 3 Years
- Azure DevOps - 2 Years
- Docker - 2 Years
- Kubernetes - 2 Years
- Microsoft SQL Services - 2 Years
- YAML - 3 Years
- Azure Monitor - 2 Years
- CI/CD pipeline - 2 Years

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Role & Responsibilities
- Design, develop, and maintain scalable full stack applications using modern backend and frontend technologies.
- Build and maintain backend services and APIs using technologies such as C#, .NET, Java, or similar backend frameworks.
- Develop responsive and efficient frontend applications using Angular (14+), TypeScript, and JavaScript or similar frontend framework.
- Work on applications deployed in on-premise infrastructure environments, ensuring stability and performance.
- Implement and optimize search capabilities using OpenSearch.
- Design and maintain database structures using relational databases (SQL) and NoSQL databases such as MongoDB.
- Collaborate with cross-functional teams to design, implement, test, and deploy new product features.
- Troubleshoot issues, debug applications, and ensure high reliability and performance of the platform.
- Participate in Agile/Scrum development processes, collaborating closely with team members throughout the development lifecycle.
- Contribute to technical discussions, architecture decisions, and engineering best practices.
Ideal Candidate
- Strong Full stack software engineer having on premise applications development experience
- Mandatory (Experience 1): Must have 5+ years of experience as a Fullstack developer
- Mandatory (Experience 2): Must have hands-on experience in developing and supporting applications deployed on on-premise infrastructure (Not cloud)
- Mandatory (Backend): Must have strong backend development experience using technologies such as C#, .NET, Java, or similar backend frameworks
- Mandatory (Frontend): Must have strong frontend development experience using technologies such as React, Angular, TypeScript, JavaScript or similar frontend frameworks
- Mandatory (Core Skill): Must have exposure to OpenSearch
- Mandatory (DB): Exposure to SQL (Relational DBs) & NoSQL databases like MongoDB
- Mandatory (Company): B2B SaaS companies
- Mandatory (Note 1): This is a hybrid role in Udyog Vihar, Gurgaon
- Mandatory (Note 2): Role will convert into core team member, so need strong intent candidate
- Preferred (Skill): Experience leading technical design discussions, mentoring engineers, and setting engineering standards or architectural guidelines

Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Outcomes:
Interpret the application/feature/component design to develop the same in accordance with specifications.
Code debug test document and communicate product/component/feature development stages.
Validate results with user representatives; integrates and commissions the overall solution
Select appropriate technical options for development such as reusing improving or reconfiguration of existing components or creating own solutions
Optimises efficiency cost and quality.
Influence and improve customer satisfaction
Set FAST goals for self/team; provide feedback to FAST goals of team members
Measures of Outcomes:
Adherence to engineering process and standards (coding standards)
Adherence to project schedule / timelines
Number of technical issues uncovered during the execution of the project
Number of defects in the code
Number of defects post-delivery
Number of non compliance issues
On time completion of mandatory compliance trainings
Outputs Expected:
Code:
Code as per design
Follow coding standards
templates and checklists
Review code – for team and peers
Documentation:
Create/review templates
checklists
guidelines
standards for design/process/development
Create/review deliverable documents. Design documentation
r and requirements
test cases/results
Configure:
Define and govern configuration management plan
Ensure compliance from the team
Test:
Review and create unit test cases
scenarios and execution
Review test plan created by testing team
Provide clarifications to the testing team
Domain relevance:
Advise Software Developers on design and development of features and components with a deep understanding of the business problem being addressed for the client.
Learn more about the customer domain identifying opportunities to provide valuable addition to customers
Complete relevant domain certifications
Manage Project:
Manage delivery of modules and/or manage user stories
Manage Defects:
Perform defect RCA and mitigation
Identify defect trends and take proactive measures to improve quality
Estimate:
Create and provide input for effort estimation for projects
Manage knowledge:
Consume and contribute to project related documents
share point
libraries and client universities
Review the reusable documents created by the team
Release:
Execute and monitor release process
Design:
Contribute to creation of design (HLD
LLD
SAD)/architecture for Applications/Features/Business Components/Data Models
Interface with Customer:
Clarify requirements and provide guidance to development team
Present design options to customers
Conduct product demos
Manage Team:
Set FAST goals and provide feedback
Understand aspirations of team members and provide guidance opportunities etc
Ensure team is engaged in project
Certifications:
Take relevant domain/technology certification
Skill Examples:
Explain and communicate the design / development to the customer
Perform and evaluate test results against product specifications
Break down complex problems into logical components
Develop user interfaces business software components
Use data models
Estimate time and effort required for developing / debugging features / components
Perform and evaluate test in the customer or target environment
Make quick decisions on technical/project related challenges
Manage a Team mentor and handle people related issues in team
Maintain high motivation levels and positive dynamics in the team.
Interface with other teams designers and other parallel practices
Set goals for self and team. Provide feedback to team members
Create and articulate impactful technical presentations
Follow high level of business etiquette in emails and other business communication
Drive conference calls with customers addressing customer questions
Proactively ask for and offer help
Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
Build confidence with customers by meeting the deliverables on time with quality.
Estimate time and effort resources required for developing / debugging features / components
Make on appropriate utilization of Software / Hardware’s.
Strong analytical and problem-solving abilities
Knowledge Examples:
Appropriate software programs / modules
Functional and technical designing
Programming languages – proficient in multiple skill clusters
DBMS
Operating Systems and software platforms
Software Development Life Cycle
Agile – Scrum or Kanban Methods
Integrated development environment (IDE)
Rapid application development (RAD)
Modelling technology and languages
Interface definition languages (IDL)
Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
About the Role: We are looking for a Senior Software Developer with strong experience in .NET development and Microsoft Azure to help build and scale our next-generation FinTech platforms. You will work on secure, high-availability systems that power core financial services, collaborating with cross-functional teams to deliver features that directly impact our customers. You’ll play a key role in developing backend services, cloud integrations, and microservices that are performant, secure, and compliant with financial regulations. Key Responsibilities: Design, develop, and maintain backend services and APIs using C# and .NET Core. Build and deploy cloud-native applications on Microsoft Azure, leveraging services such as App Services, Azure Functions, Key Vault, Service Bus, and Azure SQL. Contribute to architecture decisions and write clean, maintainable, well-tested code. Participate in code reviews, technical planning, and sprint ceremonies in an Agile environment. Collaborate with QA, DevOps, Product, and Security teams to deliver robust, secure solutions. Ensure applications meet high standards of security, reliability, and scalability, especially in a regulated FinTech environment. Support and troubleshoot production issues and contribute to continuous improvement. Required Skills & Qualifications: 5–8 years of experience in software development, primarily with C# / .NET Core. Strong hands-on experience with Microsoft Azure, including Azure App Services, Azure Functions, Azure SQL, Key Vault, and Service Bus. Experience building RESTful APIs, microservices, and integrating with third-party services. Proficiency with Azure DevOps, Git, and CI/CD pipelines. Solid understanding of software design principles, object-oriented programming, and secure coding practices. Familiarity with Agile/Scrum development methodologies. Bachelor’s degree in Computer Science, Engineering, or a related field.
Skills: Dot Net, C#, Azure
Must-Haves
Net with Azure Developer -Required: Function app, Logic Apps, Event Grid, Service Bus, Durable Functions
We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.
This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.
What You’ll Do
- Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
- Develop backend services using Python, Node.js, or Golang
- Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
- Create scalable APIs, handle call logic, and build AI pipelines
- Collaborate with the founder and early team on product strategy and infrastructure
- Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)
Must-Have Skills
- Strong programming experience in Python, Node.js, or Go
- Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
- Experience integrating with LLM APIs, OpenAI, or speech-to-text models
- Solid understanding of backend design, Docker, Redis, PostgreSQL
- Ability to work independently and deliver production-grade code
Nice to Have
- Familiarity with LangChain or agent-based AI systems
- Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
- Interest in building scalable cloud-first SaaS products
Work Setup
- 🏠 Remote work (India-based, must be reachable for meetings)
- 🕐 Full-time role
- 💼 Direct collaboration with founder (technical)
- 🧘♂️ Flexible hours, strong ownership culture
Responsibilities:
- Collaborate with cross-functional teams to define, design, and ship new features.
- Develop high-quality software solutions in C#/.NET according to technical specifications.
- Participate in code reviews and provide constructive feedback to peers.
- Debug, troubleshoot, and resolve software defects to ensure optimal performance.
- Assist in the maintenance and enhancement of existing software applications.
- Stay up-to-date with the latest .NET technologies and industry trends.
- Document software features, technical specifications, and implementation details.
- Contribute to the continuous improvement of development processes and best practices.
- Communicate effectively with team members and stakeholders to ensure project success.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Minimum 1 year of professional experience in software development using C# and the .NET framework.
- Solid understanding of object-oriented programming principles and design patterns.
- Proficiency in Microsoft technologies such as ASP.NET, MVC, and Entity Framework.
- Experience with front-end development technologies like HTML, CSS, JavaScript, and jQuery.
- Familiarity with relational databases (e.g., SQL Server) and SQL queries.
- Strong analytical and problem-solving skills with attention to detail.
- Ability to work both independently and collaboratively in a fast-paced environment.
- Excellent verbal and written communication skills.
- Demonstrated willingness to learn and adapt to new technologies and methodologies.
Stalwart Themius is currently seeking a highly motivated and experienced Project Manager to join our client's team in Mumbai. This role will involve providing virtual support to production processes in various areas of the food industry. Our client, with over 70 years of research and development experience, is known for their innovative high-tech solutions. Their intelligent sensor systems enable businesses to achieve optimal quality and efficiency in their production processes.
- Role: Project Manager:
- Experience: 10+ years overall and at least 5+ years of experience as a Project Manager
- Location: Airoli, Navi Mumbai (Hybrid)
If you have a passion for the world of intelligent machines, this exclusive opportunity is perfect for you. As a key member of the team, you will work closely with the Director of Engineering, participating in all aspects of the development cycle. Your primary focus will be fostering effective communication between different teams across locations and ensuring the delivery of a world-class product. This role is crucial and responsible for the entire Mumbai development team and delivery. The ideal candidate must have a strong background in Project Management and prior experience in team management.
Responsibilities:
- Establish and implement training processes and strategies for all technical personnel
- Analyze, plan, and develop requirements and standards for scheduled projects
- Assign and oversee daily tasks of technical personnel, ensuring active progress toward established milestones
- Conduct regular technical team meetings to assess progress
- Define clear deliverables, roles, and responsibilities for staff members involved in specific projects or initiatives
- Recruit and train exceptional employees to fill technical department positions
- Take ownership of projects and solutions within the business initiative
Mandatory Skills:
- Hands-on experience with Deployment, Docker, Node.js, ReactJS, MongoDB, and web design principles
- Strong understanding of cloud computing
- Proficiency in systems development and lifecycle methodologies
- Solid technical background with the ability to address accessibility and compatibility issues
- Familiarity with industry-standard tools for assessing work quality and providing improvement suggestions
- Excellent written and verbal communication skills
- Strong problem-solving and critical-thinking abilities
- Ability to work calmly under pressure and meet deadlines
- A team player with the capacity to work independently when necessary
- Minimum 10+ years of experience with 5+ years of people management skills and 5+ years of technical skills
- Demonstrated leadership, interpersonal, organizational, and problem-solving skills
Preferred Skills:
- Master's degree in Project Management or a related technical field
- Professional Project Management Certification from an accredited institution
- Demonstrated understanding of Project Management processes, strategies, and methods
- Experience mentoring, coaching, and developing talent in the technology department
- Excellent time management and organizational skills, with expertise in establishing guidelines for others in these areas
- Managerial experience applying analytical thinking and problem-solving skills
- A proactive approach to identifying and addressing potential challenges
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Responsibilities: • Utilize established development tools, guidelines and conventions including but not limited to ASP.NET [Web API], SQL Server and C#.NET. |
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Requirements |
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• 4+ years of development experience using C#.NET. |
- Is at least 2-3 startup’s old
- Has experience of building products from scratch and scaling.
- Has experience of managing at least 3-4 Engineers.
- Has experience of working with cross border / multi-ethnic teams / Different time zones.
- Has experience of building social media
- Has a formal education in technology
- Designing user interactions on web pages.
- Developing back end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.






