
Description
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications. You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing. Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
· Contribute in all phases of the development lifecycle
· Write well designed, testable, efficient code
· Ensure designs are in compliance with specifications
· Prepare and produce releases of software components
· Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements
· BS/MS degree in Computer Science, Engineering or a related subject
· Proven hands-on Software Development experience
· Proven working experience in Java development
· Hands on experience in designing and developing applications using Java EE platforms
· Object Oriented analysis and design using common design patterns.
· Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc)
· Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
· Experience in the Spring Framework
· Experience as a Sun Certified Java Developer
· Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
· Experience with test-driven development

Similar jobs
We are looking for a strong Mobile Engineer with backend exposure who can own end-to-end feature development. This is a mobile-heavy fullstack role where you will primarily build scalable mobile applications while contributing to backend services and APIs.
Key Responsibilities
- Design and develop high-quality mobile applications (primary focus)
- Build and integrate RESTful APIs and backend services
- Collaborate with product and design teams to ship features end-to-end
- Ensure performance, scalability, and reliability of mobile apps
- Write clean, maintainable, and testable code
- Participate in architecture discussions and technical decision-making
Must Have Skills
- Strong experience in mobile development (Flutter / React Native / iOS / Android)
- Solid understanding of backend development (Node.js / Java / Python / Go)
- Experience with API design, microservices, and databases
- Good understanding of system design and app performance optimization
- Familiarity with cloud platforms (AWS/GCP)
Good to Have
- Experience working in startup environments
- Exposure to CI/CD pipelines and DevOps practices
- Understanding of real-time systems or scalable architectures
Responsibilities:
As a member of the development group, you will be primarily responsible for the design, development, and maintaining the product.
Work with the Product and Design teams to build new features to solve business problems and fill business needs.
Participate in code reviews to create robust and maintainable code.
Work in an agile environment where quick iterations and good feedback are a way of life.
Continually look for opportunities to improve our platform, process, and business.
Communicate and coordinate with our support and professional services teams to solve customer issues.
Help scale our platform as we expand.
Requirements:
8+ years of hands-on experience in enterprise software development using J2EE Framework.
Experience with React.js, AngularJS, strong knowledge of JavaScript, CSS, HTML5
Passion for building enterprise web applications leveraging modern architecture principles, strong prior experience as a full stack developer.
Expertise with CSS and building responsive pages, with a keen eye for UI design and usability
Experience with web-accessibility/WCAG standards
Experience working collaboratively with a globally distributed team.
Experience with agile methodologies and good exposure to DevOps/CICD models.
Passion for keeping up with new trends and developments in the programming community and is eager to find ways to incorporate these new ideas into our codebase.
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.
Role : Java Fullstack Developer
Location : G. noida
Budget: 1.3 LPM
Experience: 5+ years
Add PAN no & DOJ on CV
Candidate must have knowledge of JAVA / J2EE.
Executes the development, Maintenance, and enhancement of varying complexity levels across platform systems.
Translate the business requirements and specifications into related solutions designs to understand business needs and functional specifications.
Write and review technical documents, including design, developments, and code review.
Good to have knowledge of AWS, SPRING BOOT HIBERNATE, REST API .
Candidate should be able to understand Microservices architecture, continuous integration and deployment mechanism.
Position Overview
We are seeking a highly skilled React Native Developer with a strong background in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. The ideal candidate will have a minimum of 2 years of professional experience and a proven track record of developing robust, scalable mobile applications using React Native. This role offers an exciting opportunity to work on innovative projects and significantly contribute to the growth and success of our startup.
Key Responsibilities
● Develop High-Quality Mobile Applications: Create user-friendly mobile applications using React Native, ensuring high performance and responsiveness.
● Collaborate with Cross-Functional Teams: Work closely with product managers, designers, and other developers to define, design, and deliver new features.
● Maintain Clean and Efficient Code: Write clean, maintainable, and efficient code following industry best practices and coding standards.
● Optimize Application Performance: Enhance application performance for speed and scalability.
● Participate in Code Reviews: Engage in code reviews, discussions, and knowledge-sharing sessions to improve team output and code quality.
● Troubleshoot and Debug: Identify and resolve application issues to ensure smooth functionality.
● Stay Updated with Trends: Keep abreast of emerging technologies and trends in mobile development to incorporate best practices.
Requirements
● MERN Stack Proficiency: Strong expertise in MongoDB, Express.js, React.js, and Node.js.
● RESTful APIs and Web Services: Solid understanding and experience in integrating RESTful APIs and web services.
● Version Control Systems: Proficient with Git for version control.
● Mobile UI/UX Design Principles: Knowledge of best practices in mobile UI/UX design.
● Problem-Solving Skills: Excellent analytical and problem-solving abilities.
● Team and Independent Work: Ability to work both independently and as part of a team in a fast-paced startup environment.
● Communication and Collaboration: Strong verbal and written communication skills, with the ability to collaborate effectively with team members.
Nice to Have
● GraphQL: Familiarity with GraphQL for efficient data fetching.
● Cloud Services: Knowledge of cloud services such as AWS or Firebase.
Technical
- Own and Lead solution architecture of engineering solutions from product conception to launch involving a variety of technologies including but not limited to Core Java, Hibernate, Spring, AWS, MySQL, Oracle, No-SQL, Angular, Bootstrap, Apache CXF, Apache Lucene, Web Services (REST AND SOAP), AJAX, Dimension modeling, machine learning, data analytics etc. and ensure that the implemented solutions align with and support business strategies and requirements.
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Perform Technical feasibility; drive shaping up the product through its life cycle to ensure scalability, performance, security & compliance standards.
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Drive technical issues to closure with problem solving skills and ready to do hands on work.
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Collaborate with delivery, engineering, quality, support, experience, program, and
infrastructure partners to achieve goals.
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Support new opportunities of growth and continuous improvement through lateral and
creative thinking
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Stay updated of new technologies and of changes in technologies that affect back-end and
front-end web development
Management
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Accountability for architecture, product excellence, decision-making, client communications,
and solution outcomes.
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Foster, facilitate, and furnish, timely decision-making across a broad network of
stakeholders, delivery partners, and operational teams.
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Coach and develop a team of outstanding individuals providing product engineering
development and support solutions.
-
Build strong relationships with key business stakeholders across multiple business units and
be their trusted advisor.
-
Help management establish processes and standards.
Skills & Qualifications Required:
-
**Should have scored 70% & above in 10th and 12th grade.
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A Minimum of a Bachelor’s degree in Computer Science or related software engineering
discipline, or equivalent
-
15+ years in technical development and solution architecture for enterprise applications and
experience of working on full stack.
-
Strong self-driven individual who can lead in a fast paced complex environment,
demonstrate problem solving skills in varied situations and take decisions taking all
stakeholders along.
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Thought leadership, curiosity of business and engineering processes and drive to keep in
pace with the new and emerging trends, technologies and innovations.
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Ability to manage partnerships with all areas and members of the business as well as all
levels of the organization.
-
Excellent spoken and written communication with the ability to present complex ideas in a
clear, concise fashion to technical and non-technical audiences.
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Ability to lead from the front, willingness to be hands-on to get down and work with team to
understand and resolve problems.
Good to have:
-
Experience building or managing distributed systems.
-
Knowledge of data analytics and machine learning.
-
Experience in the Fintech domain.
-
Experience with Agile/Scrum development methodologies
- Design and construction of platform with the best possible encryption and security mechanisms
- Compare different design options and take technology-driven design decision
- Define Data model/Information model
- Define services and convert functional requirements to design
- Define APIs and implement them
- Build front end based on user experience design
- Test and Debug as required
- Write Technical Documentation
- Optimize code and design for Performance
- Design and implementation of continuous integration and deployment pipelines
Expected Qualifications and Key Skills
- Working experience in Spring, Spring-boot or equivalent, Hibernate or equivalent persistence framework.
- Working experience of No SQL databases such as MongoDB or equivalent
- Working experience of setting up Production environment including SSL certificates, logging, backup, archival, etc.
- Working experience of JavaScript frameworks such as React JS, JQuery, etc.
- Working experience of API gateways and Web services such as REST
- Working experience of using GIT
- Working experience of a dev-ops tool such as Jenkins
- Deployment experience on Azure/AWS
- Microservices design and development
- Excellent understanding of Data Structures and Algorithms
- Understanding of OOP and Design Patterns
- Works well in a team setting
- Can multitask, adapt to shifting priorities, detail-oriented
- Good work ethic, including a sense of individual responsibility
- Comfortable working on changing requirements in a growing company
- Must be analytical, flexible, innovative, and self-motivated
- Experience with payment platforms and processors would be a plus
Usually recognized as Team/Technical Leader, Senior Software Engineers Solves big problems that come with a lot of ambiguity. As technical leaders of the team, Sr SDE’s work efficiently and regularly deliver the right things with limited guidance. They take a long term view of team’s software and how it fits into the architecture; fix architecture deficiencies and/or propose larger projects, which may require the work of rest of the team. They understand the business impact of systems and show good judgment when making technical trade-offs between team’s short-term technology or operational needs and longterm business needs. As a key influencer in team strategy, Sr SDE’s drive mindful discussions with customers and peers. They bring perspective and provide context for current technology choices and guide future technology choices.
Sr SDE’s take ownership of team architecture, providing a system-wide view and design guidance. They drive engineering best practices (e.g., Operational Excellence, Security, Quality, etc.) and set standards. They work to resolve the root cause of endemic problems which may require them to influence software decisions made by other teams. When confronted with discordant views, they are able to find the best way forward and influence others to follow that path (build consensus). They actively contribute in recruiting and help others leverage their expertise, by coaching and mentoring in organization or at their locations. They provide technical assessments for promotions in SDE job family.
As a norm, Amazon SDE’s have industry-leading technical abilities. They recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations. They write high quality, maintainable, and robust code, often in Java or C++. They solve problems at their root, stepping back to understand the broader context. They build flexible systems without over-engineering and choose simple, straightforward solutions over more complex ones. They understand a broad range of data structures and algorithms and know how, when and when not to use them; recognize and use design patterns to solve business problems. They understand how operating systems work, perform and scale. Sr SDE’s write software that is easy for others to contribute to.
Amazon SDE’s build software for business’ sake, not for technology’s sake. They have an understanding and empathy for Amazon’s customers and business objectives, particularly those aspects relevant to their teams and divisions. They work in a team, driving things forward, they collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
Key Responsibilities include: - Ability to architect and design right solutions starting with broadly defined problems Provide technical mentorship/leadership to other engineers Drive best practices and engineering excellence Development of code in object oriented languages like Java and C++.
Preferred Qualifications The ability to take raw product requirements and develop software architectures and designs to bring them to life. 10+ years of experience building successful production software systems A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field). Post-graduate degree: Master’s or Ph.D. with focus in machine learning is big plus. Development in cloud environment Mastery of the tools of the trade, including a variety of modern programming languages (Java/C++/C#, JavaScript, C/C++,Python) and open-source technologies (Linux, Spring, Hibernate)
Skill:java,mongodb,nodejs
Exp:2-4yrs
Loc:Bangalore
Notice period should be less than 30 days.....












