
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 7 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 clientfacing 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
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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Key Responsibilities :
- Design, develop, and maintain Java-based applications using Java SE/EE.
- Implement, test, and deploy microservices and RESTful APIs using Spring Boot and related technologies.
- Develop efficient and scalable solutions by writing clean, maintainable, and optimized code.
- Collaborate with cross-functional teams to understand business requirements and provide technical solutions.
- Write and execute unit tests using JUnit to ensure code quality and functionality.
- Perform code reviews to ensure adherence to best practices and coding standards.
- Troubleshoot, debug, and optimize code for performance and scalability.
- Stay up to date with the latest Java technologies and development best practices.
Required Skills and Qualifications :
- Bachelor's degree in Computer Science, Engineering, or a related field.
- Years of experience in Java development (Java SE/EE, Spring, Hibernate).
- Strong experience with JUnit and test-driven development (TDD).
- Proficient in building microservices using Spring Boot and RESTful APIs.
- Experience with version control tools like Git.
- Familiarity with build tools such as Maven or Gradle.
- Strong understanding of object-oriented programming (OOP) principles.
- Familiarity with databases (SQL/NoSQL) and ORM frameworks (e.g., Hibernate).
- Experience with cloud platforms like AWS (preferably).
- Strong problem-solving skills and the ability to work in a collaborative environment.
Preferred Skills :
- Experience with continuous integration/continuous deployment (CI/CD) tools.
- Knowledge of containerization technologies like Docker.
- Familiarity with Agile methodologies and Scrum framework.
- Knowledge of front-end technologies (HTML, CSS, JavaScript) is a plus.
Strong written/verbal communication skills
· Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
We are looking for a focussed, energetic and motivated Senior Java Developer. You must have sufficient experience in Java Development, Spring, Spring Boot, AWS and SQS, S3. You will be challenged with complex and robust product development.
As a Senior Java Developer, you will be the most senior developer within the company working alongside other Java Developers, the Engineering Manager, and the CTO.
Senior Java Developer requirements
Solid development experience using Java, Springboot, SQS, S3 and Microservices
Experience working in Swing Java framework
Revises, updates, refactors, and debugs code
Write clear, concise and efficient code and ensure it is fully tested
Service and develop features using Java with AWS, JUnit, SQL and Spring framework
You have a good knowledge of Cloud technologies (ideally AWS)
Participate in peer coding reviews and work in a collaborative, agile environment
Demonstrate technical knowledge and expertise with a clear understanding on the products' technical composition
Senior Java Developer responsibilities
7-9 yrs minimum work experience
Excellent analytical, troubleshooting, and communication skills
Excellent attention to detail and time-management skills
Serves as an expert on developed applications
Ability to adapt and learn new product/technology is key
Collaborates with internal teams to produce software design and architecture
Knowledge of Agile frameworks (i.e. Scrum) and has worked with Jira or Spira
Attend daily stand-up meetings alongside the Scrum Master
A self-starter, hardworking and committed individual
Work UK hours - ideally 9.00am - 6pm with the expectation to work out of ours when needed
Software Engineer
Opportunity in this role / Why should you join us?
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 3+ years and above exposure in the art of writing codes and solving problems for large scale
- Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Have a penchant for solving complex and interesting problems.
- BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
- Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with
multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and Responsibilities
- Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit.
Job Description:
Software Development Engineer - Backend
Responsibilities
• Writing reusable, testable, and efficient code Develop, Code or modify, test, and
debug application programs of varying degree of complexity.
• Design and implementation of low-latency, high-availability, and performant
applications.
• Integration of user-facing elements developed by front-end developers with server
side logic Implementation of security and data protection.
• Integration of data storage solutions
Skills And Qualifications:
• Experience in design and implementation of low-latency, high availability, high
performance applications capable of handling large scale distributed workloads
Expert in Java, with knowledge of Spring boot and Hibernate framework.
• Experience with Elasticsearch
• Knowledge of user authentication and authorisation between multiple systems,
servers, and environments.
• Experience with relational databases like PostgreSQL/MySQL/Oracle.
• Able to create database schemas that represent and support business processes
Strong unit test and debugging skills
• Proficient understanding of code versioning tools such as Git.
• Understand lean approach with frequent releases and focussed on getting MVPs into
market as early as possible to increase feedback
• Passion for fast-paced and iterative software development
• Fast learner and open to working with new libraries/platforms
Nice to have:
• Experience developing in AWS/Azure/Google Cloud environments
• Solid understanding of Cloud PaaS / IaaS constructs and their APIs Understanding of
security products and secure coding techniques
We are building for the future of work by changing the way the world looks at information and data paradigms. The Meaning Engine by India-based Needle Innovision enables building solutions by processing meaningful data out of anything stored anywhere - structured, unstructured data types, distributed, at scale and more.
In our quest to do more, we are looking for a fantastic Java Tech Lead to join us in a hybrid setting from New Delhi. Below are some (seriously important) green flags that we are looking for from you:
🟢 Ability to build and repeat the vision, not just work on tasks in the new phase of your career
🟢 The excitement to architect awesome products and resilient teams
🟢 Preparedness to move into enterprise-ready environments
🟢 Build team motivation, delegate smartly and create a career path
This could be an awesome launching pad for someone who enjoys working towards big-picture goals, has a keen interest in leadership, and has a deep understanding of Java technologies. Our teams are sustained on values of care and we offer a generous number of vacation days, the opportunity to craft your calendar with flexible schedules and very soon an insurance plan for you and your loved ones. We offer a starting salary range of 10-14LPA.
What you will do:
- Collaborate with the client to understand problem statements and provide solutions for the same.
- Explain client requirements to the project team and plan and delegate work requirements
- Ensure the applications are released to production in the committed timeline
- Work with the QA team to ensure the code developed by the team passes the necessary quality check.
- Document application changes and development updates
- Set and evolve standards and best practices for our application development team
- .Guide and mentor junior developers and engage in regular learning activities
- Oversee development process compliance and CI activities.
What you will bring:
- 4 years minimum detail-oriented experience as a Senior Software Engineer.
- Experience in client interactions and/or are looking forward to doing that (preferred if, you have worked in B2B application development for large enterprises 🟢)
- Prior experience of at least one large project with a few people under your belt. (🟢)
- Expert-level knowledge of Java, Spring Boot, Oracle/Postgres.
- Expert-level knowledge on one or all of Hibernate/JPA/MyBatis.
- Experience in RESTful services and fundamentals of MVC architecture.
- Experience in working with and configuring web and application servers, such as Apache/Nginx/Tomcat.
- Proficient understanding of build tools, such as Maven/Gradle and code versioning tools, such as Git/SVN.
- Ability to review specifications documents and provide technical inputs on successfully implementing business solutions.
As a Java Tech Lead, you would be expected to understand business requirements, represent Needle to external stakeholders, and have experience in working in agile teams.
If leading a squad that implements digital transformation solutions at the intersection of data science and AI excites you, and if our awesome bite-sized team inspires you to be a part of our quest, we think you could be the one to help build the impact, we are looking to building here.
Lets talk!

- Strong experience in Java Development
- Deep expertise and hands-on experience with Web Applications
- Experience in programming languages such as HTML, CSS, JavaScript, JQuery, React JS, and API.
- Expertise in Java, Spring Boot is an added advantage.
- Hands-on design experience with Web Services (REST, SOAP, etc ..).
- Strong grasp of security principles.
Abilities:
- Developer with strong ability to develop web application using Java and ReactJS
- Should be able to code, design, and implement
- Maintain code integrity and organization
Company profile
We are the pioneering player in the FinTech industry in India in the institutional credit space. We have created a one of a kind online marketplace for institutional credit ‘CredAvenue’, bringing together issuers and lenders, while also participating in the marketplace through their own balance sheet. Within a short span of two years, CredAvenue has gained immense traction and boasts of multiple clients across sectors, 120+ investors across multiple segments and a high volume of credit deal closures. To read about the latest numbers we have clocked, please visit http://www.credavenue.com">www.credavenue.com.
We are backed by two of the leading global Private Equity firms and have also been successful in attracting high quality talent from some of the leading companies and universities globally. With the fundamentals in place, we are now gearing up for our next phase of high growth, and we are further building up our team to take the company to the next level.
Primary Responsibilities
- Responsible for full software life-cycle, system design and development of front-end & back-end systems
- Writing high-quality code, participating in code reviews, designing/architecting systems of varying complexity and scope
- Identify libraries and technologies worth experimentation
- Build innovative solutions from scratch and liaise with architects and engineers to build solutions
- Mentoring other team members
Required Skill
- Degree in Computer Science or relevant experience
- 2-7 years of relevant hands-on software engineering experience doing software design and development
- Proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
- Good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
- Excellent understanding of relational database structures, having knowledge of unstructured databases (NoSQL) will be an added advantage
- Expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
- Knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
- Work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
- Experience with Agile Development and Scrum methodologies.
Work Environment Details
- An opportunity to play a formative role in an ambitious financial services marketplace spanning investment banking, debt capital markets, institutional finance, retail lending and asset management
- A journey that will challenge and reward you in a manner few others will








