Fullstack Developer (.NET Core+React) or (Asp.NET+React)

Experience: 8+ Years

Location: Remote

Employment Type: Full-time

Hours: 6:00 PM IST to 3:00 AM IST (aligning with EST hours till 4:30 PM)

We are looking for a highly skilled Senior Full Stack Developer with strong expertise in .NET (backend) and React (frontend), including React.js (must-have) and React Native (add-on). The ideal candidate will be responsible for designing, developing, and maintaining scalable web and mobile applications (add-ons), while ensuring high performance, responsiveness, and code quality.

Key Responsibilities

• Design, develop, and maintain full-stack applications using .NET and React

• Build and enhance RESTful APIs using ASP.NET Core

• Develop responsive and high-performance UIs using React.js

• Build cross-platform mobile applications using React Native (add-on)

• Collaborate with product managers, designers, and other developers to define and deliver features

• Ensure code quality through best practices, code reviews, and testing

• Optimise applications for maximum speed and scalability

• Integrate third-party APIs and services

• Participate in architecture discussions and technical decision-making

• Troubleshoot, debug, and upgrade existing systems

Required Skills & Expertise

• Extensive experience with ASP.NET Core / .NET 6+ / Web API development

• Proficiency in React.js (Hooks, Functional Components)

• Practical experience with React Native for mobile app development (add-on)

• Solid understanding of JavaScript (ES6+), TypeScript, HTML5, CSS3

• Experience with state management (Redux / Context API)

• Strong knowledge of SQL Server / relational databases

• Familiarity with API integration and microservices architecture

• Experience with Git, version control, and CI/CD pipelines

Preferred Qualifications

• Experience with Azure Cloud Services (App Services, Functions, DevOps)

• Knowledge of Docker/containerization

• Familiarity with SignalR / real-time communication

• Understanding of clean architecture, SOLID principles, and design patterns

• Experience working in Agile/Scrum environments

Job Role: Sr. Full Stack Developer

Experience- Min 6 Years

Location-Bangalore

Company Profile- https://www.wissen.com/

Domain 

Fintech, Banking, Capital Markets, Investment Banking 

Job Summary 

We are looking for a highly experienced Senior Full Stack Engineer with strong hands-on expertise in Java, Spring Boot, AWS,React, and DynamoDB. The ideal candidate will have a strong background in building secure, scalable, high-performance applications for financial services, with experience in regulated environments such as banking, capital markets, or investment banking. 

Key Responsibilities 

• Design, develop, and maintain scalable backend services using Java and Spring Boot. 
• Build responsive and reusable user interfaces using React. 
• Design and optimize data models and access patterns in DynamoDB. 
• Develop RESTful APIs and integrate them with front-end and downstream systems. 
• Work on microservices-based architecture and cloud-native application design. 
• Collaborate with product managers, business analysts, architects, QA, and DevOps teams to deliver business-critical solutions. 
• Ensure application security, performance, reliability, and maintainability. 
• Participate in code reviews, architecture reviews, and design discussions. 
• Troubleshoot production issues and support enhancements in live environments. 
• Follow SDLC, Agile, and DevOps best practices in a fast-paced financial services environment.
•  

Required Skills 

• 8+ years of experience in software development. 
• Hands-on experience working on React, AWS cloud environment and DynamoDB.  
• Proficiency in Java, J2EE, Spring, Hibernate, REST API, Microservices.  
• Experience in developing applications using J2EE Design Patterns and AWS services. 
• Strong problem-solving skills and attention to detail. 
• Excellent communication and teamwork skills. 
• 
  
• Qualifications 
• Bachelor’s or Master’s degree in Computer Science, IT, or a related discipline. 
• Proven experience delivering enterprise-grade applications in regulated financial environments. 

Review Criteria:

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Must have strong experience in working on Typescript
• Must have experience in message-based systems like Kafka, RabbitMq, Redis
• Databases - PostgreSQL & NoSQL databases like MongoDB
• Product Companies Only
• Tier 1 Engineering Institutes (IIT, NIT, BITS, IIIT, DTU or equivalent)

Preferred:

• Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Experience in mentoring, coaching the team.

Role & Responsibilities:

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high-quality cloud-based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate:

• Thorough knowledge of developing cloud-based software including backend APIs and react based frontend.
• Thorough knowledge of scalable design patterns and message-based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, SQL etc.
• Experience with AWS services such as S3, IAM, Lambda etc.
• Expert level coding skills in Python FastAPI/Django, NodeJs, TypeScript, ReactJs.
• Eye for user responsive designs on the frontend.

Perks, Benefits and Work Culture:

• We prioritize people above all else. While we're recognized for our innovative technology solutions, it's our people who drive our success. That’s why we offer a comprehensive and competitive benefits package designed to support your well-being and growth:
• Medical Insurance with coverage up to INR 8,00,000 for the employee and their family

Full Stack senior developer with ReactJS & Redux

• Node js with Express framework

• Knowledge of HTML, CSS and Javascript with React JS
• Experience with MongoDB
• Knowledge of RESTful APIs.
• Experience with web paradigms such as REST, Responsive Web Design etc.
• Experience with CI/CD tooling (at least Git and Jenkins)
• Good understanding of code versioning tools, such as GIT
• Good to know Agile/Scrum/Kanban

• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• Developer must expertise into MongoDB, Express, Node.js, & React.
• Create Unit and Integration tests to ensure the quality of code
• MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
• Understanding & proficiency in REST APIs.
• MERN stack developer should know Git Repository and Jira.
• Integration of data storage solutions [RDBMS, NoSQL DB]
• Work with development teams and product managers to ideate software solutions
• Develop and manage well-functioning databases and applications
• Test software to ensure responsiveness and efficiency
• Create security and data protection settings
• Write technical documentation
• Work with data scientists and analysts to improve software

• Bachelor's degree in computer science or equivalent experience
• 2+ years of experience in software engineering.
• Experience with building B2B and consumer quality products, enabling business capability and objectives through technology.
• Strong cloud infrastructure experience with AWS.
• Experience in engineering practices such as code refactoring, design patterns, design driven development, continuous integration, building highly scalable applications and application security.
• Experience working with a development team using Agile methodology.
• Experience in container technologies like Docker/Kubernetes a plus.
• Hands-on skills working with SQL and No-SQL databases
  Broad experience across the following application development technologies and in depth skills with at least one: NodeJS, React, GraphQL,Python, R, Java/C++ and/or other open source application development frameworks.
• Ability to strategically balance test coverage, documentation and timelines (API/ Unit testing).
• Strong analytical and problem-solving skills paired with the ability to develop creative and efficient solutions.
• Able to work under competing priorities, manage expectations effectively and support the team under pressure; distinct user focus and quality mindset.

Job Description
We are looking for Full Stack Engineer who can turn ideas into extremely reliable, beautifully written code that other people – or you, six months into the future – will find easy to comprehend and modify. You have mastered more than one technology stack in your life, and you are comfortable with the idea of mastering several more. You're competent at high levels and low levels. Technology is a means and not the ends for you.

Responsibilities
Lead and build team to deliver best product(s).
Work closely with client as they build  features, functionality and applications to make system best.
Develop visioning skills and ability to see the big picture
Implement and contribute to engineering practices and processes
Help your team decide what technologies to use. Every engineer is able to propose better ways to do things

Skills and Qualifications
Back End : NodeJS and / or PHP
Front End : ReactJs, Angular and / or PHP
Experience of full stack web development, JavaScript, HTML5, CSS3 and TypeScript. DevOps knowledge is a plus
Ability to clearly communicate technical issues to laymen and to translate their feedback
An inclination to contribute to the creative process
A devotion to delivering the best possible user experience
Technology expertise with insights about technology trends and solutions
Team-player, flexible and able to work in a fast-paced environment
Experience with MySQL, and/or Cassandra, MongoDB desired