
- Strong experience require in C# coding & Concepts & Threads
- Strong Experience require in SqlServer & MySql & Sqllite
- Experience required in ASP.NET MVC & ASP.NET
- Expericend required in Restful services using WCF & WEB API
- Strong experience using Entity Framework (Edmx,code first)
. Experience require in ADO.NET
- Familiarity with the client side framework jQuery & Javacsript & Reactjs
. Familiarity with HTML & CSS
- Familiarity with Git Repositories
. Familiarity with Microsoft Azure
. Having knowledge in Xamarin.Forms will be added advantage

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Location: Bangalore
Experience: 5 to 10 years
Joiners: Immediate / Notice Period < 30 days
Company: Wissen Technology
🔍 Job Overview:
We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.
🛠️ Key Responsibilities:
- Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
- Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
- Implement complex business logic with clean and maintainable code.
- Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
- Work with iterators and immutability principles to build reliable data flows.
- Collaborate with product managers, designers, and QA teams in an Agile environment.
- Troubleshoot and debug production issues as needed.
✅ Must-Have Skills:
- Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
- Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
- Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
- Experience working with REST APIs, Spring Boot, and microservice architectures.
- Familiarity with version control systems like Git and CI/CD pipelines.
- Strong problem-solving and analytical skills.
💼 Good to Have:
- Exposure to cloud platforms (AWS, GCP, Azure).
- Experience with state management tools like Redux or Context API.
- Knowledge of performance optimization and memory management in JavaScript.
Past experience in working with any product start-up is a plus.
● Proficiency in fundamental front end languages such as HTML, CSS, and JavaScript.
● Familiarity with JavaScript frameworks such as Angular JS, React, and others.
● Knowledge of Node.js and frameworks available for it such as Express (recommended).
● Good understanding of asynchronous request handling, partial page updates, and AJAX
● Understanding of REST Services.
● Experience with Redis.
● Familiarity with database technology such as MySQL, MongoDB and Elasticsearch.
● Proficient understanding of serverless programming.
● Proficient understanding of code versioning tools, such as Git.
● Good problem-solving skills.
● Attention to detail.
About the Role :
We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional
engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.
This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.
Key Responsibilities:
● Lead the design and implementation of scalable SaaS application architecture
● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS
● Build and manage microservices and serverless infrastructure for high availability and maintainability
● Implement and manage asynchronous and parallel request handling for optimized system performance
● Design and scale load handling and queue management systems using BullMQ and Redis
● Develop and integrate real-time data workflows using webhooks and external APIs
● Configure and manage Node.js clusters for performance and fault tolerance
● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration
● Ensure code quality, observability, and maintainability across services
● Monitor, debug, and resolve issues in production using logs and performance tracking tools
● Drive CI/CD implementation, infrastructure automation, and DevOps practices
Required Skills & Qualifications:
● 5 - 7 years of experience in full-stack or backend software development
● Proven experience as a Lead Developer on SaaS products
● Proficient in Laravel, NestJS, and Node.js
● Deep understanding of BullMQ, Redis, and message/queue-based architectures
● Experience with asynchronous processing, parallel request handling, and load distribution
● Proficient in microservices and serverless architecture patterns
● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)
● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies
● Familiarity with Node.js cluster mode and scaling strategies
● Solid experience in debugging, tracing, and performance monitoring
● Frontend integration experience with React or Vue.js (please specify your exposure)
● Strong leadership, collaboration, and mentoring abilities
Preferred Skills (Nice to Have):
● Experience with Docker, Kubernetes, and CI/CD pipelines
● Exposure to event-driven architecture and multi-tenant SaaS platforms
● Familiarity with observability tools such as Grafana, Datadog, or New Relic
Looking for a full stack software developer
• At least 4 years of experience in software engineering.
• Experience in troubleshooting, debugging applications and proactive participation in testing and bug fixes.
• Ability to build scalable applications working on a continuous delivery environment, writing production ready code.
• Knowledge of backend technologies like Java(Preferred), Spring Boot , Microservices, JSON, Python(Good to have).
• Knowledge of frontend technologies like React, Angular.
• Knowledge of database technologies like Postgres(Preferred), Mysql, PostGres, Sql server.
• No sql Database knowledge, Elastic search(Good to have).
• Knowledge on CI/CD tools like Jenkins.
• Knowledge on Event streaming tools like Kafka platform.
• Knowledge of Source Code Management systems Git, github.
You will collaborate with a multidisciplinary engineering team to develop various
applications for the Additive Manufacturing process chain.
• You will be required to research and implement advanced algorithms and mathematical
models.
• You will optimize CPU performance and memory usage of applications.
• You will be involved in the design of the software architecture.
• You should be self-motivated and have strategic thinking abilities.
• The working environment and architecture primarily consists of C++ geometry processing
and simulation libraries, coupled with visualization frameworks
Writing and Documenting High-Quality Code for Additive Manufacturing applications
• Developing Algorithms for Performance Improvements
• Bug Fixing and Regression Testing
• Developing Test Cases
• Designing, Developing and Implementing Geometry Processing Libraries
• Leading a Team of Junior Software Engineers and Developers (This ability will be a plus)
• Good Understanding of OOPs Concepts, Design Patterns
• Hands-On Experience in Developing Applications for The Geometry Domain
• Math Proficiency - Linear Algebra, Numerical Analysis, Computational Geometry
• Ability to Work with A Multi-Disciplinary Team of Engineers.
• Technologies (Some combination of these will be suitable)
o Strong C++, C# Skills
o Python
o OpenGL, WPF
o C#.Net, ASP.NET
o JavaScript, React, Node.js
o GPGPU, CUDA
o Full-stack cloud development
o Familiarity with Azure Dev Ops
Clairvoyant is a global technology consulting, services, and product company. We help organizations build innovative products and
solutions using enterprise stack, big data, analytics, and the cloud. Our global team consists of experienced professionals, with
backgrounds in design, software engineering, analytics, and data science. Each member of our team is highly energetic and committed
to helping our clients achieve their goals.
Must Have:
● A Full stack engineer with 4+ years of hands-on experience working with data-backed front-end web applications.
● Strong with JavaScript programming skills, ReactJs, Nodejs, along with HTML5, CSS pre-processor(s), Bootstrap.
● Good 2+ years of experience on ReactJS and a minimum of 1 year of experience in Nodejs
● Must have hands-on building Data Visualization and manipulation libraries with a rich interface.
● Good understanding of ES6 Concepts, cross domain post messaging, localization, internationalization.
● Ability to write modular, clean, robust code, guide internal teams, perform code reviews, improve the quality of their work with
oversight and feedback.
● Must be good at writing unit tests to cover the code.
● Good understanding of Redux and Saga.
● Basic understanding of CI/CD.
● Ability to build and leverage reusable templates for internal and customer usage.
● Understanding of cross-browser compatibility issues and ways to work around them. Awareness of server side MVC frameworks,
web services, and web communication protocols and message formats.
● Understanding of user interface design, responsive design, usability, and accessibility concepts.
● Strong problem-solving abilities and analytical skills, ability to take ownership as appropriate.
● Must be able to integrate quickly into the team and work independently towards team goals.
● Excellent communication and coordination skills, willing to learn new skills.
● A good understanding of how a payment network provider works will be an added advantage.
Soft Skills
● Strong problem-solving abilities and analytical skills, ability to take ownership as appropriate
● Must be able to integrate quickly into the team and work independently toward team goals
● Excellent communication and co-ordination skills, willing to learn new skills
Key skills: ReactJs, Nodejs, ES6, JavaScript, HTML5, CSS3
Education: Bachelors (preferably BE/B. Tech.) - Computer Science/IT
Senior Software Engineer (FullStack)
As an experienced engineer we know that you have built software to solve various business problems at your previous workplaces. You may have also explored technologies on your own for your learning or hobby projects.
You will be building APIs for the Synup platform and also UI to make our platform capabilities available to our customers.
You and the team that you are a part of will be collectively responsible building performant software and customer experiences that scale to our next million customers. You will be responsible for writing technical specs and contributing to it's implementation. We expect that you would have done the same in your previous workplaces.
Other folks on our team are looking forward to learn from your experiences.
For engineers that join our team
We expect you to be good with Ruby or Python to build APIs.
You will be contributing to our UI that is built with React and GraphQL.
We hope our team members have a strong grasp of software design patterns and know when to put them to good use.
Experience with an SQL datastore would help a lot. PostgreSQL is our primary datastore. We optimize our search functionality and rollup reports by using ElasticSearch
We expect that you have used Redis. Redis is our swiss army knife to solve a lot of problems apart from just caching.
If you are passionate about technology, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for!
We are offering superb career growth opportunities and benefits.
Requirement
• Candidate must have done 6-month training in MEAN/MERN profile
• Strong analytical and problem-solving skills
• Candidate must have in-depth knowledge of Node js/ React js, Mongo DB, MySQL, and Express js.
• knowledge of Creating secure RESTful-based web services.
• Identify bottlenecks and bugs and devise solutions to these problems
Responsibilities
• Write “clean”, well-designed code
• Troubleshoot, test, and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle
• Follow industry best practices
Qualification
• MCA, B.Tech / B.Sc /M.Sc in Computer Science, Engineering or a related subject
Interested candidates can apply here with their resumes.
Regards
Jaspreet Kaur
Job Types: Full-time, Contract
**Frontend**
- experience in building end-to-end frontend and backend apps or Single Page Applications.
- Should know the basics of HTTP(S), DOM, browsers, page rendering
- Should know JavaScript both for Front-end as well as Back-end, Typescript would be good to have
- Have used these Frontend libraries/frameworks: Angular 8, 10
- Have a preference for one of this for the state management: Ngrx, Redux etc
- Skills in one or more chosen frameworks/libraries like jQuery, Bootstrap, etc
**Backend and Databases**
- Experience with Nodejs/Firebase/Nestjs
- Experience MongoDB/Firestore is a must
- Knowledge of Creating RESTful services with Node.js and understanding of REST services (microservices/serverless will be plus point)
- Knowledge of Authentication, authorizations, mailing, fileuploading etc is a must
- Should know querying in mongodb along with Aggregation Pipeline, Map-Reduce,etc
- - Understanding of fundamental design principles behind a scalable application
- - Have written test cases using one of these: Jest, Mocha, Chai,Enzyme, Karma
**Good to have:**
- Work proactively in a team.
- Strong understanding of product development
- Should be a good problem solver, quick learner.
- Good analytical, problem solving and troubleshooting skills.
- Knowledge of Nestjs, Elastic Search Would be plus point
- Have strongly used one of these to keep our code Clean and Consistent: Eslint, Flow, JShint, style-lint
Required Nodejs,Mongodb,java,reatjs, Java,Spring











