Fullstack Developer (.Net+React) at Wissen Technology · Mumbai, Pune · 6 - 10 years · Profitable · Posted 26 May 2026

Position: Full-Stack Developer – React / C# / Python / SQL
Location: Mumbai / Pune
Experience: 6–8 Years
Employment Type: Full-time
About the Role
We are looking for a versatile Full-Stack Developer who has working experience in React, C# or Python, and SQL. The candidate doesn’t need to be an expert in all these technologies but should be comfortable taking end-to-end ownership of features with the support of modern AI tools.
Key Responsibilities
- Develop, test, and maintain scalable frontend applications using React.
- Build and integrate backend services using C# (.NET) or Python.
- Write and optimize SQL queries, procedures, and data models.
- Work closely with product and design teams to deliver high-quality features.
- Use AI-assisted development tools (like GitHub Copilot / ChatGPT) to speed up coding, debugging, documentation, and solution design.
- Participate in code reviews, troubleshooting, and performance improvements.
- Ensure best practices in code quality, security, and deployment.
Required Skill Set
- Frontend
React.js (Hooks, components, state management, API integration)
- Backend (any one or both)
C# (.NET Core)
Python (FastAPI / Django / Flask)
- Database
SQL (MySQL / PostgreSQL / MSSQL)
Experience writing queries, joins, stored procedures, and handling schemas
Good to Have
- REST API development
- Basic DevOps understanding (CI/CD, version control – Git)
- Familiarity with cloud platforms (AWS/Azure/GCP)
- Ability to learn quickly with AI tools and follow best practices
- Problem-solving and ownership mindset
What We Are Looking For
- Someone who can handle full-stack tasks with confidence
- Not necessary to be an expert in everything
- Curious, adaptable, and open to using AI tools to deliver faster
- Strong communication skills and team collaboration

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Shift: 7:00 PM – 4:00 AM IST (US ET)
Experience: 3–5 years
Willing and able to work 7 PM–3 AM IST, on-site, 5 days a week
About the role
We're a USA-based company looking for one full-stack developer to join us offshore start up on-site. You'll own features end to end — from debugging a production issue in the evening to shipping a new page overnight. This is a hands-on coding role and support role.
What you'll do
Build and maintain full-stack web applications (front-end + back-end + database)
Debug and fix live website issues — HTML/CSS/JS, APIs, and server-side code
Work with CMS-driven websites; Sitecore experience is a strong plus
Use AI coding tools (Claude, GitHub Copilot, etc.) to move faster — while owning the quality of what ships
Collaborate directly with the founder/lead — no layers, your work is visible
What we're looking for
3–5 years of professional full-stack development experience
Strong fundamentals: you can read, write, and debug real code without leaning on AI for everything
Solid with JavaScript/TypeScript, HTML/CSS, REST APIs, and SQL
Experience with C# / ASP.NET (Core or MVC)
Comfortable debugging websites in production: browser dev tools, logs, network traces
Plus: Sitecore CMS experience; any other CMS (Umbraco, WordPress, Contentful) also counts
Plus: daily user of Claude, Copilot, or similar AI coding assistants
Compensation
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Full Stack Developer
Experience: 3 to 5 Years
Location: Hyderabad
Interview Mode: Face-to-Face (F2F)
Work Mode: Hybrid
Employment Type: Full-Time
Note: Immediate joiners or candidates with a notice period of up to 15 days are preferred. We are only considering candidates who can attend a face-to-face interview at our office.
Role Summary;
We are looking for a Full Stack Developer (React.js + Python + AWS + AI) to design, develop, and maintain scalable web applications and AI-powered solutions. The ideal candidate must have strong experience in React.js, Python, AWS, and AI development. Hands-on AI development experience is mandatory for this role.
Mandatory AI Skill Requirement - AI development experience is mandatory. Candidates without hands-on AI development experience will not be considered.
Candidates must have practical experience in one or more of the following:
- Building AI-powered applications.
- Working with Large Language Models (LLMs).
- Prompt Engineering.
- Retrieval-Augmented Generation (RAG).
- AI agent development using LangChain, LangGraph, or similar frameworks.
- Integrating AI models through APIs such as OpenAI, Anthropic, or Gemini.
- Developing AI-enabled workflows and intelligent business applications.
Note: Experience using AI coding assistants (ChatGPT, GitHub Copilot, Claude, Gemini, etc.) alone does not meet this requirement. Candidates must have actual AI application development experience.
Key Responsibilities
- Develop and maintain full-stack web applications.
- Build responsive frontend applications using React.js.
- Develop backend REST APIs using Python (FastAPI / Django / Flask).
- Design, develop, and integrate AI-powered features into applications.
- Develop and deploy applications on AWS cloud services.
- Work with relational databases (MySQL / PostgreSQL / SQL Server).
- Integrate frontend and backend components.
- Follow Agile/Scrum development processes.
- Write clean, maintainable, and production-ready code.
- Collaborate with cross-functional teams to deliver scalable and high-quality solutions.
Required Skills (Mandatory)
- 3 to 5 years of Full Stack development experience.
- Strong experience in React.js.
- Strong backend development experience in Python.
- Hands-on experience with AWS cloud services.
- Hands-on AI development experience (Mandatory).
- Experience with LLMs, Prompt Engineering, RAG, LangChain, LangGraph, or similar AI frameworks.
- REST API development experience.
- Strong SQL database experience.
- Git and Agile development workflow.
- Good understanding of software design principles and best practices.
Good to Have
- Docker
- CI/CD pipelines
- Microservices architecture
- Kubernetes
- Experience with vector databases and AI model integrations
Preferred Qualifications
- Bachelor's degree in Computer Science or a related field.
- Strong problem-solving and analytical skills.
- Good communication and teamwork abilities.
- Passion for learning new technologies, especially AI, cloud technologies, and modern software development.
Gen AI Full stack Developer:
We're looking for a Full Stack Software Engineer to help build Gen-AI applications for energy industry. If you are interested in leverage cutting-edge techniques to build APIs and complex data pipelines with end-to-end ownership of the feature you build alongside a team of some of the best engineers in the energy industry, then you will love working at Enverus. We are looking for a developer with a natural curiosity, and preferably someone who has full stack experience and a willingness to pick up additional skills on the job!
The Team:
You will join our software engineering team which focus on the forefront of innovation in the energy industry. Here, you'll be part of a highly collaborative and agile group dedicated to prototyping and leveraging cutting-edge technologies to develop new products and solutions. Come join the team and help pioneer Enverus’ mission to drive the future of energy.
What you will do:
• Full Stack Development: Design and implement user-facing features using modern frontend frameworks (React, TypeScript) integrated with Python-based backend services
• Scalable APIs: Develop RESTful APIs and microservices that power GenAI applications across the platform
• Data Pipelines: Build and maintain data processing workflows using AWS services (S3, Lambda, DynamoDB, OpenSearch)
• End-to-End Features: Own features from concept to production—frontend, backend, database, and deployment
• GenAI Integration: Implement and optimize AI/ML model integrations, including LLMs and agentic workflows
• Modern Engineering: Work in an agile environment with CI/CD, automated testing, code reviews, and continuous improvement
What You Bring
Required
• Education: Bachelor's degree in Computer Science or related field
• Experience: 4+ years as a software developer with full stack exposure
• Backend Expertise: Strong Python, TypeScript skills with experience building APIs and backend services
• Frontend Proficiency: Experience with modern JavaScript frameworks (React, Vue, or Angular) and TypeScript
• Cloud Architecture: Hands-on experience with AWS services (S3, Lambda, DynamoDB, API Gateway)
• Database Knowledge: Proficiency with both relational (PostgreSQL/MySQL) and NoSQL databases
• DevOps Mindset: Familiarity with CI/CD pipelines, containerization (Docker/Kubernetes), and version control (Git)
• Problem Solving: Strong foundation in data structures, algorithms, and system design
• Communication: Excellent English communication skills; able to collaborate effectively across teams
Job Details:
We are seeking an experienced Full Stack .NET Developer with Azure to join our dynamic team. The ideal candidate will have a robust background in full stack development with expertise in Azure, React, Node.js, C#, .NET, Python (FastAPI/Flask), Terraform, and CI/CD pipelines. You will play a key role in developing, optimizing, and deploying scalable applications on Azure, ensuring high performance, security, and reliability.
This role will involve collaboration across teams, working on both frontend and backend solutions, and utilizing cloud technologies to drive project success.
Key Responsibilities:
- Design, develop, and maintain full stack applications using Azure, React, Node.js, C#, .NET, and Python (FastAPI/Flask APIs).
- Develop and integrate RESTful APIs using .NET and Python frameworks (FastAPI/Flask).
- Build and manage CI/CD pipelines to streamline deployment and automate testing processes.
- Develop infrastructure as code (IaC) with Terraform to manage and provision resources in the Azure environment.
- Ensure application scalability, security, and performance across all layers of the stack.
- Work closely with cross-functional teams to translate business requirements into technical specifications.
- Troubleshoot, debug, and enhance existing applications to optimize performance.
- Implement best practices for cloud security, data protection, and compliance within Azure services.
- Conduct code reviews and provide technical mentorship to junior developers as needed.
Required Skills & Qualifications:
Experience: 7-10 years of full stack development experience, with a strong focus on Azure cloud.
Frontend:
- Proficient with React.js, building and optimizing web interfaces.
Backend:
- Solid knowledge of Node.js, C#, and .NET for building robust backend applications.
- Hands-on experience in Python development, specifically building APIs using FastAPI and/or Flask.
- Strong understanding of RESTful API design and microservices architecture.
Cloud Infrastructure:
- Experience with Azure services, deployment, and scaling applications on Azure.
Infrastructure as Code (IaC):
- Hands-on experience with Terraform for Azure resource management.
CI/CD:
- Proficient in setting up and maintaining CI/CD pipelines using Azure DevOps or similar tools.
Database:
- Familiarity with Azure SQL, Cosmos DB, or other databases for full stack applications.
Best Practices:
- Strong understanding of software development best practices, including security, testing, and DevOps.
Mandatory (Experience 1) – Must have 3+ years of experience in Full Stack Development with hands-on experience building and deploying production-grade web applications.
2
Mandatory (Skills 1) – Must have strong hands-on experience in Python or Node.js for backend development.
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Mandatory (Skills 2) – Must have experience developing REST APIs using frameworks such as FastAPI, Flask, Express.js or similar.
4
Mandatory (Skills 3) – Must have hands-on experience with at least one modern frontend framework such as React.js or Angular, along with JavaScript/TypeScript.
5
Mandatory (Skills 4) – Must have hands-on experience with SQL databases such as PostgreSQL, MySQL or similar.
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Mandatory (Skills 5) – Must have experience integrating frontend applications with backend APIs and third-party services.
7
Mandatory (Skills 6) – Must have good understanding of OOP, data structures, software engineering practices and clean/testable code.
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Mandatory (Skills 7) – Must have experience with Git/GitHub and standard development practices including code reviews and version control.
9
Mandatory (Skills 8) – Must have experience with cloud platforms such as Azure or AWS and exposure to application deployment.
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Mandatory (Skills 9) – Must have hands-on experience with Docker/containerized applications and understanding of scalable application development.
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Preferred (Experience 1) – Experience with Kubernetes, CI/CD pipelines and cloud-native deployments.
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Preferred (Experience 2) – Experience with Redis/caching, asynchronous programming, microservices or distributed systems.
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Preferred (Experience 3) – Exposure to AI/ML, Generative AI, LLM applications or RAG-based applications.
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Mandatory (Age) - Candidate's Age should be below 28
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Mandatory ( Location ) - Candidates Only From Pune & Mumbai.
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Mandatory (Education) - Must be a B.E / B.Tech from Tier 1 Colleges (IIT, NIT, IIIT, BITS, DTU, NSUT)
About Role
Full Stack Developer – .NET Core & React
Key Responsibilities
- Design, develop, and maintain scalable web applications using .NET Core (ASP.NET Core) and React.js.
- Build and consume RESTful APIs and microservices.
- Develop responsive and user-friendly front-end applications using React.js.
- Collaborate with business stakeholders, product owners, and technical teams to gather requirements and translate them into effective technical solutions.
- Write clean, maintainable, and high-quality code following industry best practices.
- Participate in code reviews, design discussions, and technical planning.
- Deploy, manage, and troubleshoot applications running on Kubernetes.
- Work closely with DevOps teams to support CI/CD pipelines and release activities.
- Optimize application performance, scalability, and reliability.
- Troubleshoot and resolve production issues and provide ongoing application support.
- Contribute to technical documentation and knowledge-sharing initiatives.
Required Skills
- 2–7 years of software development experience.
- Strong hands-on experience with C# and .NET Core / ASP.NET Core.
- Strong experience in React.js development.
- Experience building REST APIs and microservices.
- Hands-on experience with Kubernetes.
- Experience with SQL Server or other relational databases.
- Good understanding of Git version control and CI/CD practices.
- Strong problem-solving and debugging skills.
- Excellent communication and stakeholder management skills.
Good to Have
- Experience with AWS services such as:
- EC2
- EKS
- S3
- Lambda
- CloudWatch
- IAM
- Experience with Docker and containerized application deployment.
- Exposure to Agile/Scrum development methodologies.
Job Summary: We are seeking a highly skilled Full-stack Developer to join our dynamic team as a Delivery Module Lead. The ideal candidate will possess strong expertise in Python and front-end technologies, enabling them to design, develop, and maintain robust web applications. This role requires a proactive individual who can collaborate effectively with cross-functional teams to deliver high-quality software solutions that meet business needs.
- Proficient in Python programming language.
- Strong knowledge of front-end technologies such as HTML, CSS, and JavaScript.
- Experience with front-end frameworks like React, Angular, or Vue.js.
- Familiarity with back-end frameworks such as Django or Flask.
- Understanding of RESTful APIs and web services.
- Experience with version control systems, preferably Git.
We are looking for an experienced Full Stack Developer to join our in-office engineering team in Hyderabad. You will build and maintain scalable, secure, multilingual web and mobile-facing products end to end — from intuitive front-end interfaces to robust back-end services and APIs.
Key Responsibilities
- Design, develop, and maintain front-end (React.js) and back-end (Node.js/Express.js) components.
- Build and integrate secure REST APIs and manage databases (MongoDB / SQL).
- Write clean, testable, well-documented code and participate in code reviews.
- Collaborate with product, design, and QA teams to ship features on schedule.
- Optimise applications for performance, scalability, and security.
- Troubleshoot, debug, and resolve production issues.
Requirements
- 3–10 years of hands-on full-stack development experience.
- Strong proficiency in React.js, Node.js, JavaScript/TypeScript, and REST APIs.
- Solid experience with databases (MongoDB and/or SQL) and version control (Git).
- Good understanding of responsive design, security best practices, and cloud deployment.
- Strong problem-solving skills and the ability to work on-site in a collaborative team.
What We Offer
- Competitive salary
- Opportunity to work on a fast-growing, cross-border product.
- A collaborative, in-office team environment in Hyderabad.
We are looking for a skilled Full Stack Developer with 3+ years of experience in Python and React.js to join our engineering team. The ideal candidate should have strong experience building scalable web applications, developing backend APIs, and creating responsive frontend interfaces.
Key Responsibilities
- Develop and maintain full-stack web applications using Python and React.js.
- Build scalable and secure RESTful APIs using Django, Flask, or FastAPI.
- Develop responsive and user-friendly interfaces using React.js.
- Integrate frontend applications with backend APIs and third-party services.
- Work with databases such as PostgreSQL, MySQL, or MongoDB.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and follow software development best practices.
- Collaborate with UI/UX designers, QA engineers, DevOps, and other developers.
- Write unit and integration tests to ensure application reliability.
- Use Git/GitHub/GitLab for version control.
- Contribute to system design, documentation, deployment, and continuous improvement.
Required Skills
- 3+ years of professional experience in Full Stack Development
- Strong hands-on experience with Python
- Strong experience with React.js
- Experience with Django / Flask / FastAPI
- Good understanding of JavaScript, HTML5, and CSS3
- Strong knowledge of REST APIs
- Experience with PostgreSQL / MySQL / MongoDB
- Good understanding of Git and version control
- Strong knowledge of OOP, data structures, and software development concepts
- Experience with debugging and performance optimization
- Good problem-solving and communication skills
Good to Have
- Experience with TypeScript
- Knowledge of Next.js
- Experience with AWS / Azure / GCP
- Knowledge of Docker and Kubernetes
- Understanding of CI/CD pipelines
- Experience with microservices architecture
- Exposure to AI/ML or GenAI applications is a plus
Education
Bachelor’s degree in Computer Science, IT, Engineering, or a related field.
Job Description: React + Node.js Full Stack Developer
Experience: 4+ Years
Location: HP, Bellandur Office, Bangalore
Joining: Immediate Joiners Only
Job Overview
We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.
Mandatory Skills
- React.js
- Node.js
- Express.js
- JavaScript (ES6+)
- REST API development and integration
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js.
- Build scalable backend services and APIs using Node.js and Express.js.
- Design, develop, and integrate RESTful APIs.
- Integrate frontend and backend systems.
- Work with databases such as MongoDB, MySQL, or PostgreSQL.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and Agile development activities.
- Implement authentication and authorization mechanisms.
Preferred Skills
- Redux or Context API
- MongoDB, MySQL, or PostgreSQL
- Git version control
- JWT / OAuth authentication
- Basic knowledge of AWS, Azure, or GCP
Candidate Requirements
- Minimum 4 years of relevant development experience.
- Strong hands-on experience in both React.js and Node.js.
- Good understanding of full-stack application development.
- Immediate joiners only, due to urgent project requirements.
- Must be comfortable working from the HP Bellandur office in Bangalore.














