
Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL.
We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team.
A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
•Exp. - 5-8 years.
•Experience in Core Java and Spring Boot.
•Extensive experience in developing enterprise-scale applications and systems. Should 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-performance server-side development.
•Basic working knowledge of Unix/Linux.
•Excellent problem solving and coding skills.
•Strong interpersonal, communication and analytical skills.
•Should have the ability to express their design ideas and thoughts.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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
Similar jobs
Job Title: Java Backend Developer
Experience: ~3-6 years (Mid-to-Senior)
Employment Type: Full-time, Permanent
Location : Bangalore
Role Overview
As a Java Backend Developer, you’ll be responsible for designing, developing, and maintaining scalable backend systems and microservices. You’ll work with cross-functional teams to build high-performance distributed services, APIs, and data-driven applications that power business solutions.
Key Responsibilities
- Design and implement microservices and backend components using Java (8+) and Spring Boot.
- Build and consume RESTful APIs and integrate with internal/external services.
- Work with event-driven systems and messaging using Apache Kafka (producers/consumers).
- Develop and optimize databases, including SQL (e.g., MySQL/PostgreSQL) and NoSQL (e.g., MongoDB/Cassandra).
- Participate in CI/CD pipelines, automated builds, and deployments using tools like Git, Maven, Jenkins.
- Ensure code quality through unit and integration testing, documentation, and code reviews.
- Collaborate with frontend developers, QA, DevOps, and product teams following Agile methodologies.
Required Skills & Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or related field.
- Proven hands-on experience with Core Java and Spring Boot development.
- Strong understanding of microservices architecture, REST APIs, and distributed systems.
- Experience with message queues/event streaming (Apache Kafka).
- Skilled in relational and NoSQL databases and writing optimized queries.
- Comfortable with CI/CD tools (e.g., Git, Maven, Jenkins) and version control.
- Good problem-solving, debugging, and collaboration skills.
Preferred / Nice-to-Have
- Cloud platform experience (AWS / Azure / GCP).
- Familiarity with containerization (Docker) and orchestration (Kubernetes).
- Knowledge of performance tuning, caching strategies, observability (metrics/logging).
- Agile/Scrum development experience.
Sr Java Developer
Experience: 5+ Years
Location: Navi Mumbai, CBD Belapur
Domain: Banking (Payment Aggregators Project)
Work Schedule: 1st and 3rd Saturdays required, as per banking norms
Education: B.E. or Graduation in Computer Science or related field
Budget- 15 Lacs max fixed
Initial document check list before sharing the profiles.
Education
- 10th Passing Certificate
- 10th Mark Sheet
- 12th Mark Sheet
- 12th Passing Certificate
- Convocation Certificate (Mandatory)
- PG (if completed) Degree Certificate & Passing Certificate
Employment
- Previous Organization’s Offer Letter
- Previous Organization’s Appointment Letter
- Previous Organization’s Experience Letter
- Resignation Acceptance Mail from Previous Organization
JOB DESCRIPTION
Key Responsibilities:
Application Development: Design, develop, and maintain robust applications using Java, Spring, Spring Boot, Microservices, Hibernate, REST API, and Oracle SQL.
Spring Validation & Security: Implement input validation and manage secure access to resources using Spring Security.
Collaboration: Work hand-in-hand with cross-functional teams to define, design, and deliver innovative features.
Performance Optimization: Ensure peak performance, quality, and responsiveness of applications.
Problem Solving: Identify bottlenecks and bugs, and craft effective solutions.
Code Quality: Maintain high standards of code quality, organization, and automation.
Skills and Qualifications:
Experience: 5+ years in Java development.
Technical Proficiency: Expert in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and Spring Security.
Banking Domain Knowledge: Experience in payment gateway projects is a plus.
Design Patterns: Strong understanding of object-oriented programming and design patterns.
Problem Solver: Excellent analytical skills and ability to thrive in a fast-paced environment.
Job Title: Backend Developer
Job Description: We are seeking a skilled Backend Developer to join our dynamic team. The ideal candidate will be responsible for designing, implementing, and maintaining the server-side logic, databases, and APIs of our applications. Key responsibilities include collaborating with cross-functional teams to develop scalable and efficient backend systems, troubleshooting and resolving issues, and staying updated on industry trends. Proficiency in programming languages such as Python, Java, or Node.js, along with experience in database management and API development, are essential for success in this role. Strong problem-solving skills, attention to detail, and a passion for creating robust and high-performance backend solutions are highly valued.
Requirements:
Proficiency in one or more backend programming languages (e.g., Python, Java, Node.js)
Experience with database management systems (e.g., MySQL, PostgreSQL, MongoDB)
Knowledge of RESTful API design and development
Familiarity with cloud services (e.g., AWS, Azure) is a plus
Strong problem-solving and troubleshooting skills
Collaborative mindset with excellent communication skills
Ability to work in a fast-paced and dynamic environment
Job description
JD - Java Developer (Backend Developer)
Technical Requirement:
- At least 5 years of experience in Java, J2EE technologies.
- Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
- Worked on REST web services.
- Worked on application server : Tomcat
- Worked on Eclipse IDE
- Knowledge of Swagger, Postman
- Worked on Database like MySQL
- Worked on Git, Maven, CI/CD pipelines
- Good to have knowledge of using Docker and Mongo DB
Overall Roles & responsibilities:
- Consult with client team to understand business requirements and with solution architects / team lead to understand the application architecture.
- Develop/code applications following specifications using the appropriate tools and adhering to the standard coding standards.
- Coordinate unit testing, integration testing and bug fixing with the development and quality assurance team.
- Plan for defect fixes as per priority and severity mentioned by QA team.
- J Attend daily scrum meeting with entire team and client.
Position: Java Backend Developer
Experience: Atleast 3 years
Joining: Immediate
Communication Skills: Good
Mandatory requirements:
- Java 8, SpringBoot 2.x
- Backbase 6, DB 2.x, IPS 1.x, CXS 6.x
- DBS 2.19 – 2.20
- Fluent in English, ability to work in remote teams, dependable
- Problem solving skills
Desirable requirements:
- DevOps, Pipelines, Docker, Kubernets, HELM
- Backbase Identity
- Security
Required Experience and Qualifications:
-3 to 6 years of software development experience.
-Experience of working in at least 2 or 3 projects, managing or leading the entire
tasks.
-Experience from a middle size company or from a startup will be preferred.
-BE/MCA/MSc in Computers/Information technology with a good academic
record.
-Must be willing to start Immediately work from home permanent
-Can Allocate working hours (Flexible) as per Projects Requirements.
-Must have Good Internet & Good Laptop/System
Perks & Benefits:
- Great learning, innovative and development platform.
- Remote work and flexible timings.
- Reimbursement of the online learning courses on certification.
- Medical insurance coverage for you and the dependence.
- Five Working days per week.
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.
Top Skills
• You write high quality, maintainable, and robust code, often in Java or C++.
• You recognize 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.
Roles & 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 recognize and use design patterns to solve business problems.
• You understand how operating systems work, perform and scale.
• You continually align your work with Amazon’s business objectives and seek to deliver business value.
• You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
• You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
• You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
• 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.
BASIC QUALIFICATIONS
- Ability to design for scale
- Implement solutions for broadly defined problems
- Drive best practices and engineering excellence
- Development of code in object oriented languages like C++ and Java and build large scale robust distributed systems
- 3+ years experience building successful production software systems
- A solid grounding in Computer Science fundamentals (based on a BS or MS in CS or related field)
- Experience developing software services and an understanding of design for scalability, performance and reliability.
- Mastery of the tools of the trade, including a variety of modern programming languages (Java, JavaScript, C/C++) and open-source technologies (Linux, Spring)
- Proven ability to work in a fast paced, agile and in an ownership and results oriented culture.








