
About the Role:
We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in core Java development along with exposure to modern frameworks and tools. You will be responsible for designing, developing, and maintaining scalable applications while ensuring performance, security, and code quality.
Key Responsibilities:
- Design, develop, test, and maintain Java-based applications.
- Write clean, efficient, and reusable code following best practices.
- Collaborate with cross-functional teams (Product, QA, DevOps, etc.) to deliver high-quality software.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and contribute to continuous improvement.
- Stay updated with emerging trends, tools, and technologies in the Java ecosystem.
Required Skills & Qualifications:
- Strong proficiency in Core Java (Java 8/11/17).
- Experience with frameworks such as Spring / Spring Boot / Hibernate.
- Good knowledge of REST APIs, Microservices architecture.
- Familiarity with SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Understanding of multithreading, collections, and design patterns.
- Experience with version control systems (Git) and build tools (Maven/Gradle).
- Solid problem-solving skills and ability to work in an Agile environment.
Good to Have:
- Exposure to cloud platforms (AWS, Azure, GCP).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with messaging systems (Kafka, RabbitMQ).
- Familiarity with CI/CD pipelines.

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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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. - 4 to 10 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.
Experience: 2-8 years
Skills
* Hands-on development skills in Java8 features like Streams, Lambda expressions, Enhanced for loops, Parallel processings, etc.
* Hands-on development skills in Springboot, Microservices & JPA/Hibernate.
* Experience in designing, analyzing and troubleshooting large-scale distributed systems.
* Experience in any Java based rule engine implementation for workflows.
* Experience in Dockers, ElasticSearch, Messaging and any RDBMS.
* Experience with Swagger, Git, Jenkins & Maven.
* Experience with any of Nosql databases.
Job Details
- Job Title: Android Developer
- Industry: IT- Services
- Function - Information technology (IT)
- Experience Required: 5-8 years
- Employment Type: Full Time
- Job Location: Delhi
- CTC Range: Best in Industry
Criteria:
· Strong technical background in Android application development and Kotlin
· Looking candidates having 5+ years of experience.
· Need candidates from Delhi NCR Only.
· All Academic backgrounds acceptable (except BCA).
· Immediate Joiners Preferred
· Candidate must have some experience working with IoT devices.
· Candidate should have experience working with Camera model X.
· Candidate's Academic scores must be 70% or above.
· Candidate having fluent communication will be an added advantage.
Job Description
About the Role:
Senior Android Team Lead will be responsible for testing, QC, debugging support for various Android and Java software/servers for products developed or procured by the company. The role includes debugging integration issues, handling on-field deployment challenges, and suggesting improvements or structured solutions. The candidate will also be responsible for scaling the architecture. You will work closely with other team members including Web Developers, Software Developers, Application Engineers, and Product Managers to test and deploy existing products. You will act as a Team Lead to coordinate and organize team efforts toward successful completion or demo of applications. This includes implementing projects from conception to deployment.
Responsibilities:
â— Working with the Android SDK, Java, Kotlin, NDK
â— Handling different Android versions and screen sizes
â— Applying Android UI design principles, patterns, and best practices
Requirements:
â— Strong technical background in Android application development and Kotlin
â— Solid programming skills
â— Detail-oriented with strong attention to specifics
â— Excellent written and verbal communication skills
â— Strong analytical and quick problem-solving ability
â— Ability to quickly document requirements from open discussions
â— Fast typing skills for documentation and communication
â— Familiarity with JIRA, EPICs, Excel, Google Sheets, and Agile methodologies
â— Team player with leadership qualities
â— Decision-making ability and team management skills
â— Interest in working in a startup environment with cutting-edge products
â— Experience with design and architecture patterns
â— Understanding of testing processes, debugging, code versioning, and repositories
â— UI/UX experience
â— Strong knowledge of Java & Kotlin
â— Software development experience with strong coding skills
â— Experience building services for data delivery to mobile clients
â— Experience with relational and non-relational databases
â— Knowledge of REST and JSON data handling
â— Experience with libraries like Retrofit, RxJava, Dagger 2, Lottie
â— Server integration (REST endpoints)
â— Experience with AWS stack and Linux
â— Apps shipped and available on Google Play
â— Backend API development
â— Familiarity with Android Studio, Eclipse IDE
â— Good knowledge of mobile hardware, software, and operating systems
â— Willingness to work in a fast-paced startup environment
â— Strong oral communication and presentation skills
â— Team-oriented, with a positive approach to technology and engineering
â— Result-oriented with a focus on efficiency and timeliness
â— Strong self-awareness and ability to work under deadlines
â— Proficiency in Microsoft Project, PowerPoint, Excel, Word
â— Willingness to mentor and manage team members
â— Willing to travel 5–10% of the time for demos, training, and collaboration
Preferred Background:
â— Understanding of Artificial Intelligence and Machine Learning
â— B.S. / M.S. in Computer Science, Electrical, or Electronics Engineering
â— 5+ years’ experience with Android, Java Server, JSP
â— Experience with Virtual Reality and Augmented Reality
â— Familiarity with Test-Driven Development
â— Background in CS or ECE
â— Python experience is a big plus
â— iOS development knowledge (not mandatory)
â— Strong foundation in data structures and algorithms
standing of Java and the different frameworks like Spring, etc., and have experience working on Cloud and Containers.
The Developer will perform duties and tasks to support a complete life cycle management (example: Analysis, Technical
Requirements, Design, Coding, Testing and implementation of Systems, etc.).
The Developer will work closely with the Product and Technical teams across different regions primarily Europe and will
be part of an Agile Team. The role includes research and Continuous Development of new Products based on new Tech-
nologies. This position collaborates with the operations team routinely and henceforth excellent English communication
skills (bothwritten and verbal) are essential.
A clean coder who will always leave the code in better shape than they found it.
A curious person who never stops learning and loves to try new things, even when theydon’t succeed on the
first try
A team-oriented developer with the motivation to bring out the best in others
A person who shares our appreciation for transparency and is willing to share theirexperience and knowledge
for the benefit of the team
Someone who is willing to take a stand for something they believe in.
Somebody that takes pride in their work and knows that development is a craftsmanship
Duties & Responsibilities
Conducts systems and requirements analysis, creates and contributes to task lists, cost and time analysis
Performs assigned functions and tasks to meet project plan and quality review requirements.
Raises issues as appropriate to support effective resolutions.
Analyzes specifications and user requirements to perform assigned applications development work.
Assists with system and componentdesigns to meet requirements.
Participates and documents design and code reviews to improve quality.
Analyzes, designs, codes, tests, and documents to develop application software.
Develops unit tests and unit test plans to deliver quality code.
Performs applications maintenance and support functions to support problem resolution.
Qualifications:
• Bachelor’s degree in Computer Science or IT related field
• 4-7 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. Java (Spring, Spring Boot, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Messaging (RabbitMQ, ActiveMQ, Kafka etc.)
f. Agile Methodologies (Scrum, TDD, BDD, etc.)
g. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
h. Data Structures and Algorithms using Java or other Programing Languages
i. Strong organizational skills
j. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Multiple Java technologies around Spring, Spring Bootetc.
c. Design Patterns and implementing the Design Patterns
d. Development of Complex Application and System Architectures
e. NoSQL Databases (Redis, Mongo, etc.)
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (NodeJS, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Application Servers like Tomcat, etc.
d. HTML5, CSS, AJAX, React
e. Full stack development
f. Secure Development based on OWASP standards
The Solution Architect plays a critical role in the architecture design and development of globally consistent Liquidity and Cash Management solutions and is a key contributor to the overall delivery in a fast-paced and challenging environment.
Responsibilities:
- Develops technology road maps, while keeping up-to-date with emerging technologies, and recommends business directions based on these technologies
- Provides technical leadership and is responsible for developing components of, or the overall systems design.
- Translates complex business problems into sound technical solutions.
- Provides integrated systems planning and recommends innovative technologies that will enhance the current system.
- Contribute to ongoing architecture governance and reviewing proposed solutions.
- Lead integration of new and existing components with ICG Platforms.
Qualifications:
- 10+ years relevant experience
- Experience as Full-Stack Developer and Experience as Architect Desired
- Understanding of integration technologies concepts like Webservices, REST API etc
- Familiar with DevOps tools like Maven, Jenkins, Bitbucket etc
- Consistently demonstrates clear and concise written and verbal communication
- Management and prioritization skills
- Ability to develop working relationships
- Ability to manage multiple activities and changing priorities
Education:
- Bachelor’s/University degree or equivalent experience, potentially Masters degree
Note : This job is for immediate joining. Please apply ONLY IF you can join immediately.
Experience :- Junior role : 1 to 3 years/Senior : 5 to 7 Years
Industry: FinTech / BFSI
Functional Area: Core Platform Programming, Maintenance
Role Category: Programming & Design
Role: Software Developer
Employment Type: Permanent Job, Full Time
Overview:
We are looking to hire Java developers who are well versed with Spring Boot, Hibernate, and RDBMS such as MySQL.
As we continue to grow our apps and site, we are looking for somebody to join our Engineering team and help build out the next set of kick-ass features.
If selected, you get to be a part of a small but committed group of technologists who are trying to improve how events are ticketed and marketed in India.
About the role:
- 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
- Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (MongoDB, ElasticSearch, Redis, DynamoDB etc) datastores in production
- Must have experience with Kafka or similar message queue systems in production
- Stellar problem solving skills
- Hunger to learn new things and ability to grasp new concepts quickly
- Ability to move quickly without breaking things too much (we are dreamers)
- Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
- Should be able to groom juniors and take them to the next level
Perks :
- You get to work at a fun filled atmosphere
- Have ample chances of learning leadership, mentor-ship skills
- A solid salary package along with chance to get ESOPs
Salary Range : 6 LPA to 12 LPA
(based on qualifications, experience and skills)
Job Title : Sr Java Developer
Job Description
We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.
Roles and responsibilities?
- Design, develop and implement software programming applications.
- Build highly scalable product.
- Participate in gathering business requirements and assessing existing architectures and resources.
- Work with application development team in delivering the project and deliverable within time and with good quality.
- Perform unit testing, oversee quality assurance of applications through system testing.
- Establishes processes for performance and conducts code review.
- Manage and mentor junior members of the team on good coding practice
Skills and experiences would I bring into this role?
- E/ B.Tech / MCA in computer science or a related field
- 4+ Years of Java/J2EE work experience.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.
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applications in support of end user’s requirements. Works on problems of relatively |
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applications of own judgement. Responsible for delivering results that have direct impact |
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on the achievement of results within the job area as an Individual Contributor. |
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assigned projects. |
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- Involved in entire SDLC lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines.
- Meets and exceeds standards for the quality and timeliness of the work products.
- Implements, unit tests, debugs and leads integrations of complex code.
- Identify opportunities for further enhancements and refinements to best practices, standards and processes.
- Ensure robust, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations
Experience
Technical Duties & Responsibilities
3 – 6 Years
With 2-4 years of experience in Scalable Architecture development. We are looking for Independent Contributors, who have good understanding of Microservices based architecture, and a comprehensive awareness of various architectures & their suitability as per product requirements: -
- Can solve problems independently, be responsible for the requirement analysis and design implementation of important business modules, and be familiar with the online deployment environment, able to independently analyse and quickly troubleshoot online faults.
- Familiar with JAVA programming principles, understand their advanced features and class libraries, network and server programming, multi-threaded programming, common open source products
- Experience in SOA EIP using Apache Camel Spring Integration
- High quality coding ability, reusability, low coupling, scalability, high performance, maintainability, high security
- Have the architectural design capabilities of modules and subsystems, master common architectural design methods and patterns
- Understand SOA, event-driven, distributed system principles, large-scale network application structure, message middleware, caching, load balancing, clustering technology, data synchronization, NoSQL
- Have the project experience of RabbitMQ or Kafka
- If the candidate has air fare industry experience, might be priority








