
About Us:
Wissen Technology is a leading provider of innovative technology solutions. We are committed to delivering excellence and fostering a collaborative environment where our employees can grow and thrive. We offer a dynamic work culture, exciting career growth opportunities, and a balanced work-life approach.
Job Description:
We are looking for a talented and motivated Java Developer to join our team in Mumbai. As a Java Developer at Wissen Technology, you will work on cutting-edge projects and contribute to building scalable and efficient applications. If you have a passion for technology, thrive in a fast-paced environment, and have experience with Angular, we want to hear from you!
Details:
- Location: Mumbai, Maharashtra
- Address: Wissen Technology, Times Square, 07 Floor, Andheri - Kurla Rd, Gamdevi, Marol, Andheri East, Mumbai, Maharashtra 400059
- Type: Hybrid mode of work
Requirements:
- Education: BTech, BE, or MCA
- Skill Set: Full Stack Java Developer with proficiency in Angular.
- Prior experience working with Angular and willingness to continue working with it.
- Strong understanding of web application development and design principles.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently as well as in a team environment.
Responsibilities:
- Develop, test, and maintain web applications using Java and Angular.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Troubleshoot and resolve software defects and issues.
- Ensure the performance, quality, and responsiveness of applications.
- Stay updated with emerging trends and technologies in software development.
Benefits:
- Competitive salary and good appraisals.
- Career growth opportunities.
- A healthy work-life balance.
- Collaborative and supportive work environment.
Join Wissen Technology and be a part of a team that values innovation, collaboration, and professional growth. We look forward to welcoming you on board!

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.
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Technical Lead – Full Stack
Overview
We are seeking a high-caliber Tech Lead – Full Stack to join our Digital Twin Platform and Simulation team. In this role, you will translate high-level architectural visions into robust, executable low-level designs (LLD). You will be the technical anchor for the squad by providing deep technical guidance and maintaining rigorous standards you will enable the team to deliver scalable interfaces and services that power our digital twin ecosystem.
Our Core Full Stack Stack
Front-End Engineering
- React + TypeScript (with Next.js), ShadCN/UI, Tailwind CSS for building complex, state-heavy interactive dashboards.
- JavaScript (ES6+) and TypeScript for type-safe management of simulation data
- State management (Redux/Zustand) optimized for high-frequency data updates
· Experience in ESRI ArcGIS Map usage in UI is a big plus.
Back-End & Microservices
- Java and Spring Boot for building high-scale, resilient microservices
- REST APIs for seamless communication between services and front-end consumers
- Microservices architecture and system integration patterns
- Experience designing, building, and integrating RESTful or GraphQL APIs, Protobuf with gRPC and gRPC-Web
Engineering Excellence
- GitHub for version control and rigorous Code Reviews
- CI/CD pipelines, Docker, and Kubernetes for cloud-native deployment
Key Responsibilities
- Low-Level Design (LLD): Convert high-level architectural blueprints into detailed technical designs, including class diagrams, sequence diagrams, and API specifications.
- Technical Mentoring: Lead and coach the engineering team through pair programming, technical 1-on-1s, and hands-on guidance to elevate overall team competency.
- Standards Enforcement: Ensure all code adheres to the defined engineering standards, SOLID principles, and design patterns established by the Architects.
- Code Quality & Review: Conduct comprehensive code reviews to maintain high quality, ensuring the team delivers clean, testable, and maintainable code.
- Technical Anchoring: Serve as the "go-to" expert for the squad to resolve complex technical blockers and provide clarity on implementation details.
- Hands-on Development: Direct implementation of critical and complex modules, setting the benchmark for performance and reliability.
- System Integration: Oversee the technical execution of integrations between full-stack applications and core data layers (Databricks/Neo4j).
- Delivery Governance: Ensure the squad meets sprint objectives by maintaining a high standard of execution and managing technical debt effectively.
Preferred Qualifications
- 8 to 10 years of professional experience in full-stack software development.
- Proven track record in a Tech Lead capacity, with strong experience in creating Low-Level Designs.
- Expert-level proficiency in Java, Spring Boot, and React.
- Deep understanding of Microservices architecture and RESTful API design.
- Familiarity with ShadCN/UI familiarity along with Material UI, Storybook, and/or similar tools
- Demonstrated ability to mentor engineering teams and drive technical excellence in an Agile environment.
- Experience working in the India tech region, preferably within high-growth product engineering teams.
Highly Desirable
- Experience building platforms for Digital Twin, IoT, or Simulation environments.
- Familiarity with visualizing complex networks or real-time operational data.
- Knowledge of performance tuning for both front-end rendering and back-end processing.
- Experience leading teams in an Agile/Scrum environment.
- Exposure to industrial domains such as Manufacturing, Logistics, or Transportation is a plus.
Location: Hyderabad, Telangana
Department: Engineering
Employment Type: Full-Time
- Very strong core Java/Spring developer
- Minimum 6 months of hands-on experience in React.js development.
- Decent experience in implementing observability (monitoring/alerts) for Java apps
- Capable of working with scripting languages.
- Skills Required: Java, Core Java, Data Structures, OOPS, Multithreading, Algorithms, Collection Framework, Java/J2EE, Hibernate, Spring, Spring Boot, Microservices, Restful Services ,SQL.
Job Description
We are looking for a skilled Java Full Stack Developer with hands-on experience in React.js for front-end development and strong expertise in Java-based back-end technologies. The ideal candidate should have 3+ years of experience in building scalable applications, preferably within the banking or fintech domain, with additional exposure to end-to-end product development from scratch.
Key Responsibilities
- Develop, test, and deploy scalable full-stack applications using Java (Spring Boot, Hibernate, etc.) on the back end and React.js on the front end.
- Collaborate with cross-functional teams (Business Analysts, QA, DevOps, Product Owners) to deliver high-quality solutions.
- Write clean, maintainable, and efficient code following best practices.
- Design and implement RESTful APIs and integrate with third-party services.
- Ensure application performance, security, and responsiveness.
- Troubleshoot, debug, and optimize application performance.
- Contribute to product development from scratch, including architecture design, coding standards, and feature delivery.
- Stay up to date with emerging technologies, especially within the fintech and banking domain.
Required Skills
- Strong programming skills in Java, Spring Boot, Hibernate/JPA.
- Proficiency in React.js, HTML5, CSS3, and JavaScript/TypeScript.
- Experience in building RESTful APIs and integrating with front-end systems.
- Solid understanding of relational databases (MySQL, PostgreSQL, Oracle) and query optimization.
- Knowledge of CI/CD pipelines and cloud platforms (AWS, Azure, or GCP) is a plus.
- Familiarity with Agile methodologies and version control tools (Git).
- Good problem-solving and analytical skills.
Preferred Qualifications
- Prior experience in Banking or Fintech projects.
- Proven experience in end-to-end product development from scratch.
- Knowledge of microservices architecture.
- Exposure to containerization tools (Docker, Kubernetes).
Education
Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
Employment Type: Full Time, Permanent
Position Location: Noida, UP
Reports to: Software Development Manager (IT Solutions Delivery)
Qualifications: BE/B.Tech/MCA Degree in Computer Science, Engineering, or similar relevant field
Total Experience 10+ years
Working Model Work from Office
KNOWLEDGE AND SKILL REQUIREMENTS
1. Minimum of 5+ years of experience leading application software development
2. Minimum of 8+ years of progressive application development using C#, .NET, Web API, LINQ, asynchronous programming, AJAX, HTML, and CSS.
3. Minimum of 5+ years of experience developing back-end solutions using Microsoft SQL Server.
4. Minimum of 4+ years of experience with client-side technology (Angular 7+, TypeScript, and RXJS).
5. Experience with Azure services that would include App Services and other PaaS
6. Experience working on Agile teams, Agile product management, processes, familiarity with all Agile ceremonies and principles
7. Experience developing applications using test-driven development and mocking frameworks.
8. Understanding of Dependency Injection/Inversion of Control.
9. Experience working with the following is preferred:
a. Front-end state models
b. GIT for source control
c. OAuth authentication and Azure Libraries
d. Azure DevOps for Continuous Integration and Continuous Delivery (CI/CD)
e. Microsoft Azure Service Bus
f. .Net Core
g. SQL Server 2016
ExpressJs)
● In-depth knowledge and working experience on Restful/SOAP web services
● Working knowledge of NoSQL/SQL database technologies.
● In-depth knowledge of web technologies like React JS/Next JS, and Typescript.
● Experience in databases such as SQL Server will be preferable
● Experience with AWS Cloud (specifically API Gateway) will be preferable
● Experience with popular React.js workflows (Redux)
● Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
● Understanding of caching and third-party integration.
● Familiar with code versioning tools (such as Git, SVN).
● Knowledge of unit testing code using Jest & Enzyme.
● Knowledge of Python and Chrome extension development is a plus.
● Excellent verbal communication skills
● Good problem-solving skills
Requirements
You will make an ideal candidate if you have:
-
Overall 6+ years of software development experience in building web-based and highly scalable applications
-
Excellent understanding of core computer science concepts like algorithms, data structure, system design, OOP, etc.
-
Deep knowledge and development expertise in Core Java and SpringBoot
-
Experience in using dockers and Linux.
-
Hands-on coding experience in developing web applications with REST APIs
-
Good understanding/exposure to Kafka and Elastic.(must have)
-
Log stash understanding is add-on
-
Worked in a CI/CD environment with Jenkins and handled deployments by yourself
-
Experience working in an agile team with software engineering practices like automated testing, test-driven-development, continuous integration, etc is a big plus.
Job Summary
- Excellent hands-on experience with Go lang (if not Golang, in either JAVA, DotNet and/or NodeJS)
- Write CRONs and background tasks required for the growth of business and product
- Build REST APIs as required
- Ability to code using design principles
- Write reusable code and libraries for future use
- Have the working knowledge of Microservices Architecture using Docker
- Collaborate with other team members and stakeholders in executing various new and existing ideas
- Possesses the knowledge of developing and deploying in Linux environments
- Passion for building great products and loads of energy.
Key Skills
Skills that we would be more than happy for a dev to have: - Worked in CI/CD environments - Developed code using TDD/BDD approach. - Worked with Virtualization on Linux (KVM) - Experience in working in Agile development environment
About You
We’re looking for exceptional Engineers with an amazing breadth and depth of technology expertise! If you’re the kind of person that looks at the bigger picture and want to build something that has a real impact on the end user, go ahead and apply for the position.
Ability to see the big picture but still love to code!
Strong in backend languages, such as Java, DotNet or NodeJS!
Familiar with client-side frameworks such as React, Angular, Vue etc.
Strong HTML/CSS skills – you understand not only how to build the data, but how to make it look great too.
Knowledge of architectural design and you like to build something scalable and flexible to support business
Agile or Scrum is your favorite development approach.
And when we start talking about performance, security and unit testing? Well that’s music to your ears
Develop reusable components to enable other teams to easily implement UIs with rich and consistent look and feel
Work with management and architects to scope and plan engineering efforts and dependencies
Participate in code reviews, architecture and design decisions










