
Role : Java Developer (2-7 years)
Location : Bangalore
Key responsibilities
- Develop and maintain high-quality, efficient, and scalable backend applications.
- Participate in all phases of the software development lifecycle (SDLC)
- Write clean, well-documented, and testable code adhering to best practices.
- Collaborate with team members to ensure the successful delivery of projects.
- Debug and troubleshoot complex technical problems.
- Identify and implement performance optimizations.
- Participate in code reviews
- Hands-on experience with Spring boot, Java 8 and above.
- 2-7 years of experience developing Java applications.
- Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
- Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Strong understanding of object-oriented programming (OOP) principles.
- Experience with design patterns and best practices for Java development.
- Proficient in unit testing frameworks (e.g., JUnit).
- Experience with build automation tools (e.g., Maven, Gradle).
- Experience with version control systems (e.g., Git).
- Experience with one of these databases – Postgres, MongoDb, Cassandra
- Knowledge on Retail or OMS is a plus.
- Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
- Ability to reverse engineer existing/legacy and document findings on confluence.
- Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

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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Years of Experience:2-5 Years
Notice: Immediate to 30 Days
Requirements:
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3+ years of web development experience using Node.js or similar web technologies
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Well-versed with front-end code in HTML5, CSS3, Javascript, React.js with familiarity in various frameworks and template languages
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Possess strong understanding of Object-Oriented Programming.
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Proficient with database design, optimization and tuning in MySQL or MongoDB
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Experience in design patterns, unit testing, automation techniques (Selenium WebDriver)
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Exposure to Amazon Web Services (EC2, S3, EBS, RDS, SQS, Redshift, etc.)
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Exposure to Docker and Kubernetes
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Exposure to collaborating tools like GitHub, JIRA, Confluence
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Experience in frameworks such as Symfony 2, Express.js, or proven ability to learn on the job
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Experience in Microservices and REST architecture
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Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
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Self-motivated, fast learner, detail-oriented, team player and a sense of humor.
🚀 Hiring: .Net + Reactjs Developer
⭐ Experience: 5+ Years
📍 Location: Gurgaon
⭐ Work Mode:- 5 Days Work from office
⏱️ Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
We're looking for a skilled .NET Core + React.js Developer to join our engineering team.
✅ Required Skills
- Strong hands-on experience with .NET Core (C#).
- Experience developing applications using React.js and modern JavaScript (ES6+).
- Solid knowledge of SQL Server, T-SQL, stored procedures, and query optimization.
- Experience building REST APIs and microservices.
- Understanding of authentication and authorization mechanisms (JWT/OAuth2).
- Familiarity with Git, CI/CD pipelines, and Agile development practices.
⭐ Preferred Skills
- Azure DevOps or GitHub Actions
- Docker & Kubernetes
- Experience working with cloud-based applications is a plus.
🎯 Mandatory Skills
- .NET Core (C#)
- React.js
- SQL Server
Why Join Us?
- Work on modern technologies and enterprise-scale applications.
- Collaborative and innovation-driven engineering culture.
- Opportunities to learn, grow, and make an impact.
- Exposure to cloud, DevOps, and microservices architecture.
Build and maintain products. Build products and features, through inception, design, implementation and launch, working closely with multiple disciplines across the company. You will spend the majority of your time working on critical projects which require focus on integrations, scalability, and performance. You will also be the first line of defense in ensuring that the product features are achievable and have a clear purpose, trimming off unnecessary detailing, especially in the earliest stages. Align across teams and stakeholders. Play a key role in ensuring that objectives and expectations are aligned across multiple concurrent products. You are expected to break down features within each project and prioritize tasks based on the expertise of the team, keeping redundancy in mind.
Maintain a high bar for code quality and future proofing. Implement processes for checking in code that maintains a high bar of code quality. You are expected to optimize for a solution that affords the best user experience in a reasonable amount of time while ensuring to allow for adequate security, ability to scale in the future etc.
Responsibilities
● Design, build and maintain scalable, secure web services and distributed systems
● Design and develop robust solutions for client onboarding, portfolio analytics, tokenized security issuance, authentication, and security
● Build solutions to integrate with APIs of external solutions providers including crypto custodians, exchanges, fund admins etc.
● Architecting and building frontend features in React.js
● Ensuring a highly performant and responsive UI
● Help maintain existing codebase, infrastructure, test coverage, and documentation
● Communicate requirements effectively within and across teams
● Independently work and lead project initiatives in a fast paced environment
Requirements
● 5+ years of work experience as a Senior Software Engineer or similarly senior member of a fast scaling company, ideally building products from ideation to launch with a strong engineering team. Web3 based experience preferred.
● Have experience in rapid prototyping of features across various products. Demonstrable open source contributions and experience with Git advantageous.
● Professional experience with Python, Javascript, Typescript, or Go
● Must have experience building and/or integrating with RESTful APIs
● Working knowledge of Django, FastAPI, or React.js and Redux
● Working knowledge various frontend frameworks and languages such as HTML, CSS
● Experience monitoring and scaling microservice-oriented systems
● Familiarity with websocket architecture and implementation
● Experience working with cloud-native AWS infrastructure and/or Kubernetes
● Team-building and technical leadership experience
● Being nimble and reacting quickly to changing business conditions
● BTech in Computer Science or a related field (Masters is a plus
Benefits
● Competitive salary, benefits & participation in the firm's ESOP program
● Be part of something exciting. Rare opportunity to come in early and build the next generation of institutional grade financial services.
● International work environment and flat organization. Possibility for relocation and international transfers mid-career
We are looking for a Node.js Lead Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
As a MERN Stack Developer / Software Architect, you will play a crucial role in the architecture, development, and leadership of our digital products. You will collaborate closely with cross-functional teams to create exceptional user experiences, while also ensuring the scalability, security, and performance of our applications.
Responsibilities:
- Architecture and Technical Leadership: Design and develop the architectural roadmap for the website and mobile app. Lead and mentor a team of 8-9 MERN Stack developers, providing technical guidance, code reviews, and best practices to ensure high-quality solutions.
- Full Stack Development: Hands-on contribution to the development of complex features and functionalities using the MERN (MongoDB, Express.js, React, Node.js ) stack. Implement robust and maintainable code that aligns with industry standards.
- Scalability and Performance: Collaborate with the team to optimize application performance, ensuring that the platform can handle increased traffic and usage while maintaining a seamless user experience.
- Code Quality and Best Practices: Enforce coding standards, conduct regular code reviews, and implement best practices for software development. Ensure that the team follows coding, testing, and documentation standards consistently.
- Technical Evaluation: Evaluate and adopt new technologies, tools, and frameworks that can enhance the development process and overall product quality.
- Collaboration: Work closely with Product Managers, Designers, and other stakeholders to translate business requirements into technical solutions. Collaborate effectively with cross-functional teams to deliver on time and within scope.
- Problem Solving: Troubleshoot complex technical issues and provide innovative solutions to challenges that may arise during the development lifecycle.
- Continuous Learning: Stay updated with the latest trends, technologies, and best practices in the MERN stack and software architecture domain. Share knowledge and promote a culture of learning within the team.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field. Master's degree is a plus.
- 7-10 years of professional experience in software development, with a strong focus on MERN stack development.
- Proven experience in designing and implementing scalable, high-performance web applications and mobile apps.
- Solid understanding of software architecture principles and design patterns.
- Previous experience in a leadership or technical mentorship role.
- Strong proficiency in MongoDB, Express.js, React, and Node.js .
- Experience with cloud platforms (e. g., AWS, Azure) and DevOps practices.
- Excellent problem-solving skills and a proactive attitude towards addressing challenges.
- Effective communication and collaboration skills.
- Prior experience in the health and wellness industry is a plus.
- 2 years of strong development background building complex applications.
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience building applications using NodeJS and frameworks such as Express.
- Thorough understanding of React.js and NodeJS including its core principles.
- Ability to understand business requirements and translate them into technical requirements.
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Strong experience with MongoDB, Postgres
- Developing new user-facing features using React.js
- Thorough understanding of React.js & popular Workflows (such as Flux or Redux)
- Building reusable components and front-end libraries for future use
Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 2 years of experience
- If you have more than 4 years of experience
At this position you will:
- Get solid experience with high-load distributed architecture using REST and High load services.
- Work with automated CI/CD processes, AWS cloud, and VoIP.
- Implement and support microservices based on Elasticsearch, Mongo, and frontend.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | Elasticseach | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
- Manage Key-value based databases like Redis.
- Active participation in the development of a sophisticated platform as one of the leading developers.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
- Respond promptly and professionally to bug reports.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.
4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)
• Collaborate with stakeholders to plan, design, develop, test, and maintain applications.
• Provide technical assistance to teammates through coaching and mentorship.
• Maintain high standards of software quality within the team by establishing good coding practices and habits.
• To ensure that the development and unit testing is in accordance with established standards.
• Participate in reviews of solution designs and related code.
• Develop, refine, and tune integrations between applications.
• Analyze and resolve technical and application problems and identify opportunities for improvement.
• Package and support deployment of releases.
Required Skills
• Expert in HTML5, JavaScript, Typescript and CSS
• In-depth of knowledge of frameworks like Angular 5-6-7, jQuery
• UI toolkits like Kendo UI, Infragistics, JQuery UI
• Coding in Core JAVA/J2EE, Spring, REST, Hibernate, JDBC
• Strong SQL query writing and testing skills
• Object Oriented Programming (OOP) concepts
Highly Desired Skills
• Jasper Reports, i Report
• SOA, SOAP, XML, XSL, Webservices
Good to Have:
• OOD, UML Design
• Tomcat, SVN – open source technologies
• Knowledge of UX
• MS- SQL, My-SQL, Database Knowledge
• Design Patterns/concept
his position lets you work from the comfort of your home. You would be required to work from 2:00 pm to 10:00 pm. You will receive 12 personal times off during the year. You would have to be available via skype during those times. The ideal candidate would have to know a lot about seo and code to fix issues that are required on google. You would be working on projects from job boards to crm to websites. Your primary job would be to write code. AWS operating systems knowledge is a requirement. But this position would be a lead position to get the job done.
Must have experience with google search engines.
Full Stack Developer Responsibilities:
Proficiency with server side languages such as html, Python, React, Ruby, Java, PHP and .Net. Django
- Developing front end website architecture.
- 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.Full Stack Developer Requirements:
- Degree in Computer Science.
- Strong organizational and project management skills.
- Proficiency in Python CRM application
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
- Familiarity with html, JavaScript frameworks such as Angular JS, React and Amber.
- Familiarity with database technology such as MySQL, AWS, Oracle and MongoDB.
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.








