
Required Skill Set
Software Engineer/Senior Software Engineer/Lead Engineer-Java
· Experience in Core Java 5.0 and above, Angular, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
· Possess good architectural knowledge and be aware of enterprise application design patterns.
· Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
· Good development experience with RDBMS
· Good knowledge of multi-threading and high volume server side development
Basic working knowledge of Unix/Linux
· Excellent problem solving and coding skills in Java
· Strong interpersonal, communication and analytical skills.
· Should have the ability to express their design ideas and thoughts.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines

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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Job Details
- Job Title: Lead I - Software Engineering - Java, J2Ee, Spring
- Industry: Technology
- Domain - Information technology (IT)
- Experience Required: 6-12 years
- Employment Type: Full Time
- Job Location: Bangalore
- CTC Range: Best in Industry
Job Description:
Role Summary:
We are looking for an experienced Senior Java Developer with expertise in building robust, scalable web applications using Java/J2EE, Spring Boot, REST APIs, and modern microservices architectures. The ideal candidate will be skilled in both back-end and middleware technologies, with strong experience in cloud platforms (AWS), and capable of mentoring junior developers while contributing to high-impact enterprise projects.
The developer will be responsible for full-cycle application development: from interpreting specifications and writing clean, reusable code, to testing, integration, and deployment. You will also work closely with customers and project teams to understand requirements and deliver solutions that optimize cost, performance, and maintainability.
Key Responsibilities:
Application Development & Delivery
- Design, code, debug, test, and document Java-based web applications aligned with design specifications.
- Build scalable and secure microservices using Spring Boot and RESTful APIs.
- Optimize application performance, maintainability, and reusability by using proven design patterns.
- Handle complex data structures and develop multi-threaded, performance-optimized applications.
- Ensure code quality through TDD (JUnit) and best practices.
Cloud & DevOps
- Develop and deploy applications on AWS Cloud Services: EC2, S3, DynamoDB, SNS, SES, etc.
- Leverage containerization tools like Docker and orchestration using Kubernetes.
Integration & Configuration
- Integrate with various databases (PostgreSQL, MySQL, Oracle, NoSQL).
- Configure development environments and CI/CD pipelines as per project needs.
- Follow configuration management processes and ensure compliance.
Testing & Quality Assurance
- Review and create unit test cases, scenarios, and support UAT phases.
- Perform defect root cause analysis (RCA) and proactively implement quality improvements.
Documentation
- Create and review technical documents: HLD, LLD, SAD, user stories, design docs, test cases, and release notes.
- Contribute to project knowledge bases and code repositories.
Team & Project Management
- Mentor team members; conduct code and design reviews.
- Assist Project Manager in effort estimation, planning, and task allocation.
- Set and review FAST goals for yourself and your team; provide regular performance feedback.
Customer Interaction
- Engage with customers to clarify requirements and present technical solutions.
- Conduct product demos and design walkthroughs.
- Interface with customer architects for design finalization.
Key Skills & Tools:
Core Technologies:
- Java/J2EE, Spring Boot, REST APIs
- Object-Oriented Programming (OOP), Design Patterns, Domain-Driven Design (DDD)
- Multithreading, Data Structures, TDD using JUnit
Web & Data Technologies:
- JSON, XML, AJAX, Web Services
- Database Technologies: PostgreSQL, MySQL, Oracle, NoSQL (e.g., DynamoDB)
- Persistence Frameworks: Hibernate, JPA
Cloud & DevOps:
- AWS: S3, EC2, DynamoDB, SNS, SES
- Version Control & Containerization: GitHub, Docker, Kubernetes
Agile & Development Practices:
- Agile methodologies: Scrum or Kanban
- CI/CD concepts
- IDEs: Eclipse, IntelliJ, or equivalent
Expected Outcomes:
- Timely delivery of high-quality code and application components
- Improved performance, cost-efficiency, and maintainability of applications
- High customer satisfaction through accurate requirement translation and delivery
- Team productivity through effective mentoring and collaboration
- Minimal post-production defects and technical issues
Performance Indicators:
- Adherence to coding standards and engineering practices
- On-time project delivery and milestone completion
- Reduction in defect count and issue recurrence
- Knowledge contributions to project and organizational repositories
- Completion of mandatory compliance and technology/domain certifications
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
- Relevant certifications (e.g., AWS Certified Developer, Oracle Certified, Scrum Master)
Soft Skills:
- Strong analytical and problem-solving mindset
- Excellent communication and presentation skills
- Team leadership and mentorship abilities
- High accountability and ability to work under pressure
- Positive team dynamics and proactive collaboration
Skills
Java, J2Ee, Spring
Must-Haves
Java, J2Ee, Spring
Machine Learning + Aws+ (EKS OR ECS OR Kubernetes) + (Redshift AND Glue) + Sagemaker
NP: Immediate – 30 Days
Need High Level React Native Developer who has worked with multiple applications, Healthcare knowledge is preferable, Understand existing code and optimize it, along with create new functionalities and usability.
Should Understand Data and how to handle large volume of data in application both online and offline in application and communicate to our backend using Rest APIs
Experience:2-4 years
Location: Pune
Responsibilities
• Design and develop features using Java, Spring, and Hibernate
• Ability to design database schema, develop views and stored procedures
• Participate in user story grooming, design discussions, and propose solutions
• Maintain existing software systems by identifying and correcting software defects
• Practice standard development processes leveraging agile methodologies such as SCRUM and TDD
• Review and analyze business requirements and provide technical feasibility and estimates
• Manage development/support functions
• Mentor junior team members, perform code reviews, technical guidance etc.
Requirements
•2- 3 years of experience in Spring Framework, Spring Boot, Restful web services
• BE/B Tech or higher preferably in Computer Science/IT.
• Strong experience in APIs design using either OpenAPI/Swagger/RAML, API implementation, and integration
• Strong knowledge of oAuth2 and experience implementing API security
• Good knowledge of OIDC in API security implementation
• Good understanding of Microservice
• Good knowledge of API Gateway
• Banking and Financial domain experience
Good to have:
• Intermediary level of Cloud Technology knowledge like AWS or GCP Docker and Kubernetes knowledge
• Exposure to continuous integration (CI/CD) using Jenkins or other tools
Technical:
- Strong knowledge of HTML, CSS & Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Experience in JavaScript Frontend Framework/Library (ie ReactJS, gatsbyjs, AngularJS, Vue.js)
- Experience in JavaScript Backend Framework/Library (ie Node.js, Express.js)
- Experience with Popular React.js Workflows (i.e. Flux or Redux)
- Familiar with JavaScript Standard ECMAScript (or ES)
- Knowledge of secure authorization mechanisms, i.e. JSON Web Token
- Familiarity with modern front-end build pipelines and tools (i.e. NPM or Yarn, Gulp or Grunt)
- Experience with common front-end development tools such as Babel, Webpack, etc.
- A knack for benchmarking and optimization
- Understanding of server-side CSS pre-processors such as Stylus, Less
- ORM Knowledge (i.e. Sequelize or Mongoose)
- Knowledge of isomorphic React is a plus
- Familiarity with Firebase, MongoDB, MySQL, PostgreSQL Database
- Understanding of RPC, REST and GraphQL
- Familiarity with Version Control such as GitHub, BitBucket
- Good communication skills in English (Written and Oral)
- Strong knowledge of RDBMS concepts
- Strong analytical and problem-solving skills
- Experience in performance tuning
- Experience in interaction with the customer
- Mandatory technical skills Java 8+, Angular 2+, HTML, CSS, TypeScript
- Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
- Ability to explore the application by himself/herself from the training provided
- New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
- Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
- Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
- Level 2 and Level 3 support (Support process adherence)
- Functional and technical or solution documentation preparation
- Execution will either be Waterfall or Agile
- The process needs to be followed as defined by RBEI or RBEI’s Customer
- Preparation & participation in the project status and review meeting
Skills required: -
- Strong architecture and design skills and keen business sense. -
- Ownership of projects and technical areas. -
- Strong core server-side technologies experience (Java), database design & performance tuning exposure. -
- Strong OO design skills, knowledge of frameworks such as Spring/ Spring Boot/ exposure to functional programming a plus. -
- Good knowledge of nodeJS/ noSQL a definite plus. -
- Good exposure to front end/UI skills (JS, HTML, Angular). -
- Good exposure to configuration management, testing, deployment. -
- Deep knowhow of data structures, algorithms. -
- Hands on development across technologies.
- Exp- 6-8 years.
- Qual- B.E/ B.Tech (Computer Science/ Equivalent) from a premier institute.
What you get to do in this role:
Delivering a complete front end application
Creating custom, general use modules and components which extend the elements and modules of core Angular
Ensuring high performance on mobile and desktop
Writing tested, idiomatic, and documented JavaScript, HTML and CSS
Cooperating with the back-end developer in the process of building the RESTful API
Communicating with external web services
Validating user actions on the client side and providing responsive feedback
To be successful in this role, we need someone who has this:
Graduate in computer science, B Tech, with a keen interest in technology and engineering
Looking for experience range of 4-12 years for positions, Developer I, Developer II and Developer III.
Deep knowledge of Angular practices and commonly used modules based on extensive work experience
Proficiency in NodeJS would be highly desirable
Proficiency with JavaScript and HTML5.
Creating self-contained, reusable, and testable modules and components
Ensuring a clear dependency chain, in regard to the app logic as well as the file system
Professional, precise communication skills
Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed









