
Role: Java Developer
Location: Bengaluru - Hybrid
Mode: Full Time
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

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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As a senior developer you will be responsible to manage the software
development life cycle from planning to prioritizing to testing and release.
Responsibilities includes gathering system and team product requirements,
building java modules and testing features before release. Should have hands
on experience developing software with agile methodologies and are ready to
lead our junior developers.
Responsibilities:
• Contribute to all phases of development lifecycle.
• Planning of API workflow.
• Understanding the requirements all the teams involved and planning the
development process.
• Write well designed, testable, efficient code.
• Prepare and produce releases of software components.
• Support continuous improvements by investigating alternatives and
technologies and presenting these for architecture review.
• Designing, implementing, and maintaining java applications that are
often high-volume and low latency.
• Identify bottlenecks and bugs and advise solutions to these problems.
• Develop highly scalable REST APIs to use in our applications.
• Guide the team and help them in any complex situations.
Required Qualifications
We are looking for individuals who are curious, excited about learning, and navigating
through the uncertainties and complexities that are associated with a growing company.
Some qualifications that we think would help you thrive in this role are:
• Minimum 8+ Years in a Java programming.
• Expert hands-on knowledge of latest technology, good exposure to web
technologies and open to all technologies like Java, J2EE, Spring Boot,
Microservices, Cloud computing, any DB.
• Very good exposure to DevOps concepts and tools, Continuous Integration and
Continuous Delivery.
• Quick learner believes in continuous learning and acts as a catalyst for building
the culture within the organization.
• Analytical thinking skills, problem solving with strong exposure to root causing
tools and techniques and ability to come up with solutions in complex
situations.
• Familiar with various design and architectural patterns.
• Bachelor/Masters of CS/IT Engineering, BCA/MCA, B Sc/M Sc in CS/IT
Preferred Qualifications
• Deep insights of Java and J2EE internals such as memory management,
transaction management, etc.
• Skill for writing reusable Java libraries.
• Proficient understanding of code versioning tools, such as Git.
• Familiarity with build tools such as Ant, Maven, and Gradle.
• Ability to work without guidance and under tight deadlines.
• Result oriented and focused on meeting deliverable timelines.
• Teamwork and willingness to listen to others.
• Communicate effectively
• Good knowledge of microservices.
• Expertise in developing enterprise level web applications and RESTful APIs
using Microservices with demonstrable production-scale experience.
• Strong background working with Linux/Unix environments.
• Working experience in industry standard protocols related API security.
• Clear understanding of web services and SOA related standards like
REST/OAuth/JSON.
Requirements

Roles and Responsibilities:
- Developing Simple to Complex Functionality for Websites and Applications
- Write reusable code preferably using classes and libraries.
- Programming databases specially MySQL.
- Establishing projects from scratch or working on accessible projects
- Developing front-end and back-end applications.
- Take on multiple projects varying in size and complexity.
- Manage projects on AWS and other servers.
Desired Candidate Profile:
- Bachelor degree in Computer Science, Software Engineering or related discipline.
- 1 to 3 years of experience developing eCommerce web applications.
- Should be technically sound in OOPs Concepts.
- Programming databases specially MySQL/PostgreSQL.
- Knowledge of server side technologies like PHP 7/8, NodeJS, NUXT.
- Knowledge of client side technologies like Javascript, JQuery, VueJS.
- Experience in MVC Framework, especially laravel.
- Basic knowledge of HTML5, CSS, XML, JSON.
- Good command on PostgreSQL database and its optimization techniques.
- Exposure to database transactions, stored procedures and triggers.
- Experience working with third-party APIs and developing web services using REST/GRPC.
- Experience with SCM tools like svn/git.
- Ability to adapt and pick up new techniques and technology.
- Knowledge of web security and vulnerabilities.
- Ability to prioritize the work and multi-tasking.
- Excellent communication skills & self-motivated


Task:
- Develop, record, and maintain cutting-edge web-based PHP applications.
- Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team
- Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications.
- Prepare and maintain all applications utilizing standard development tools.
- Utilize backend data services and contribute to increase existing data services API.
- Lead the entire web application development life cycle right from concept stage to delivery and post launch support.
- Refactor, optimize, and improve the existing codebase for maintenance and scale.
- Use test driven development and acceptance tests to ensure feature quality
- Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
- Document the development process, architecture, and standard components.
- Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as a liaison between development staff and project manager.
- Keep abreast of new trends and best practices in web development.
We wish:
- Previous working experience as a PHP Developer for 4 year(s)
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Proficient in PHP, HTML5, JavaScript, JQuery Expert
- Experience with PHP MVC frameworks (Symfony, Laravel, Yii, CodeIgniter, Zend, etc.)
- Excellent relational database skills with MySQL
- Experience with building restful JSON web services
- Knowledge of API’s, such as Twitter, Facebook, Google maps, Instagram, etc.
- Understanding of responsive design frameworks such as bootstrap
Desirable:
- Should have problem-solving skills
- Good experience in oops concept
- Good experience in MVC
- Good experience in jQuery & JavaScript
- Learn & work on new technologies/ frameworks.
- Knowledge of bootstrap
We Offer:
- Freedom to realize your ideas & individual career & development opportunities.
- A motivating work environment, flat hierarchical structure, numerous company events that cannot be forgotten, and fun at the workplace with flexibilities.
- Professional challenges and career development opportunities.
About the role:
What we are looking for?
- Strong proficiency in MySQL database administration, migrations /up-gradation, patching, cloning, capacity planning, designing and automation of database tasks.
- Good experience with latest versions of the database
- In-depth experience configuring database replication on multiple versions
- Strong experience in Monitoring, DB Performance Tuning, DB Availability, DR, Security, Storage
- Analyzes and provides recommendations to optimize database for improved performance, manageability and scalability
- Expertise in enterprise backups, recovery and performing point in-time recovery Experience in deploying and integrating PMM tools
- Experience in data partitioning and encryption
- Knowledge of de-facto standards and best practices in MySQL and MongoDB
- Proficient in writing and optimizing SQL statements and Knowledge of MySQL features, such as its event scheduler
- Familiarity with other SQL/NoSQL databases such as PostgreSQL, MongoDB, etc.
- Knowledge of limitations in MySQL and their workarounds in contrast to other popular relational databases
- Proficient understanding of code versioning tools such as Git / Mercurial / SVN

JD:
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Responsibilities:
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognise and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
Requirements:
- You write high quality, maintainable, and robust code.
- You recognise and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.

Fluency in modern JavaScript (ES6/7) and other frontend fundamentals (HTML5,
CSS3) and Node.js
Exposure to React( native) basics
Experience with AWS, CI/CD and DevOps
Experience with Web Security
Basic exposure to Go is valuable but not necessary
Willingness to travel for onsite assignments outside India
- Build the backend for Android & iOS application and website with Company Dashboard (MIS).
- Integration of user-facing elements developed by front-end developers with server side logic
- Design and implementation of low-latency, high-availability, and performance applications
-Well versed with AWS and Server deployment
- Excellent knowledge of Spring frameworks
- Excellent knowledge of Java, JSP, JavaScript, AJAX, HTML, JSON
- Good knowledge of MySQL
- Knowledge of coding standards and good commenting practices
- Experiences in developing RESTful web services must.
- Ability to understand business requirements and translate them into technical requirements
- Ability to design applications around natural user interfaces
- Experience with REST API connections
- Writing reusable, testable, and efficient code
- Integration of data storage solutions
- Build the backend for application and website with Android App, IOS, Company Dashboard.
- Own software quality and optimize UI
- Understand closely the requirements of the customers and get the features implemented on time
- Creating of strong project timeline along with budgeting and regular reporting
Requirements:
- B. Tech/BE in Computer Science or related subject from a reputed university
- IIT/NIT/IIIT Only
- 2+ years of experience in Technology background and start-up environment.
- Strong proficiency with J2EE with Spring MVC, JPA, DSA, MySQL, Git.
- Basic understanding of front-end technologies, such as HTML5, JQuery and CSS3
- Understanding fundamental design principles behind a scalable application
- Creating database schema that represent and support business processes
- Advanced level (knowledge and experience) of programming languages and methodologies.
- Excellent judgment/decision making, conflict resolution, leadership and motivational skills.
- Should have strong work ethic and positive team attitude



