
Java Developer
at IT service Based
Looking for Java Developer for Gurugram and Bangalore Location with 5+ years of experience win Java + Microservices , Multithreading , Spring boot , Kafka and any MQ Series

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JOB DESCRIPTION:
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 4– 12 years of strong hands-on experience in Core Java.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains.
Why Join Wissen Technology?
- Be a part of a high-growth organization that has expanded 400% in the last five years.
- Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
- Engage with Fortune 500 clients and deliver high-impact projects.
- Certified as a Great Place to Work®.
- Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
- Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
- Global presence across US, India, UK, Australia, Mexico, and Canada.
Website : www.wissen.com
Role – Senior Developer (Back End)
Location - Bangalore
Experience 5+ Years
Responsibilities
- Responsible for design & developing products involving Java, JEE, Springboot.
- Object-oriented analysis and design using common design patterns.
- Deep insight of Java and JEE internals such as memory management, transaction management, etc.
- Design and develop features and modules for mission-critical applications.
- Contribute in all phases of the development lifecycle.
- Ensure designs are in compliance with specifications.
- Prepare and produce releases of software components.
- Mentoring and guiding the team members.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
- Implementation of API.
Requirements
- 5+ years of experience in strong core java & J2EE skill
- 5+ years of experience in Spring Boot.
- 5+ years of experience in Spring and REST/SOAP services
- Strong knowledge in Java web application design and development
- Strong knowledge of Spring frameworks (Spring Boot, Spring integration, Spring Security, etc.), JPA, RESTful APIs
- Experience with design and development of highly available, distributed and scalable transactional enterprise systems
- Results oriented and focused on meeting deliverable timelines.
- A team player with excellent communication skills.
We are seeking a Full Stack Engineer to join the Engineering team based out of Gurgaon. We provide users with the opportunity to invest in gold, government bonds, crypto currencies and other investment products to grow their savings.
We are constantly looking to improve the investment experience and educate users about
growth opportunities. In each release, we aim to make pluang more useful for our users and add features to ensure state of the art security & reliability. Our users trust us with their hard-earned money and we take it very seriously. We consistently strive to deliver top-quality.
You will be working with a team of highly-motivated, young & dynamic teams of engineers & reporting to the Engineering Lead.
Position Responsibilities
● Be honest, reliable & consistent
● Write efficient & clean code
● Have a strong sense of ownership
● Be a part of development & maintenance of Pluang web app, Operations dashboard and other 3rd party products we own
● Contribute to improving the quality of engineering process & engineering culture
Position Requirements
- Strong in data structure and algorithms
- Experience in Java, Express, API Design & DOM
- Understanding of component based design or other design patterns
- Experience with unit testing, integration testing & continuous integration
- RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
- Good to have passion for investing
We Offer
- Attractive compensation package - competitive salary, flexible bonus scheme.
- We are always looking for ways to promote and inspire innovation.
- Individual career path - management and technical career growth, enhanced by learning and development program, regular performance assessment, teams of multi-national IT professionals.
- Healthy work environment - company-sponsored medical program, food, and beverage program, open communication.
- Friendly policies to support Work-life balance, team building, and celebrations.
Job responsibilities
- Performs development, deployment, administration, management, configuration, testing, and integration tasks related to the cloud security platforms.
- Develops automated security and compliance capabilities in support of DevOps processes in a large-scale computing environment for the storage program within the firm.
- Champions a DevOps security model so that security is automated and elastic across all platforms and cultivate a cloud first mindset in transitioning workloads.
- Leverages DevOps tools to build, harden, maintain, and instrument a comprehensive security orchestration platform for infrastructure as code.
- Provides support to drive the maturity of the Cybersecurity software development lifecycle and develop & improve the quality of technical engineering documentation.
- Makes decisions of a global, strategic nature by analyzing complex data systems and incorporating knowledge of other lines of business & JPMC standards.
- Provides quality control of engineering deliverables, technical consultation to product management and technical interface between development and operations teams.
Required qualifications, capabilities, and skills
- Formal training or certification on Security engineering and 3+ years applied experience
- Proficiency in programming languages like Python or Java with strong coding skills
- Understanding of one or more Public Cloud platforms( AWS/ GCP/ Azure)
- Experience with highly scalable systems, release management, software configuration, design, development, and implementation is required
- Ability to analyzing complex data systems – failure analysis / root cause analysis, developing, improving, and maintaining technical engineering documentation
Job Overview:
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.
Responsibilities and Duties:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications:
• BE/MCA/BCA/MS/BS degree in Computer Science, Engineering, or a related subject
• Minimum 1 to 4 years of experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Micro service architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
- l IT experience delivering enterprise-scale applications or product implementations
- experience working as a technical lead.
- Working Experience in ISO20022, SWIFT, Remittance
- Language & Frameworks: Java, Spring Boot, Spring, Any ORM
Roles and Responsibilities
• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to
complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• Experience with full life cycle development in any programming language on a Linux
platform
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), TDD,
and Continuous Integration(CI/CD) a plus.
• Experience in building data-driven web application design and development is a plus
• Expert level experience in building a scalable, large and complex business
application.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem
• Identify opportunities of parallelism: utilizes multi-core solutions where applicable
• Design & Architecture
• Distributed systems design and system interaction
• Identify API signatures
• LLD with class design
• Solve for performance & availability
Company Introduction (apna)
We are building a novel platform to create better economic opportunities for the blue/grey
workforce around the world. We are a very product focused and customer obsessed company. Delivering high quality products at lightning speed is our USP. If you are looking for challenging work and rapid merit based growth in your career, look no further and welcome aboard.
Checkout our product on Google Play store apna - Job Search App | Job Groups
Job Description
We are looking for a Senior Back-End Engineer responsible looking for engineering ownership of one/many products at apna. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end (Android + WebApp). A basic understanding of front-end technologies is therefore necessary as well.
Responsibilities
● Take ownership of end-to-end product development
● Be champion of Test Driven Development methodology
● Building reusable code and libraries for future use
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Technical Documentation around the owned product
Skills And Qualifications
● Expert level in OOPS concepts and REST API development
● Proficiency in one or more of the following languages: Python, Java, Ruby, Go
● Knowledge around ElasticSearch, Celery, Redis is must
● Integration of multiple data sources and databases into one system
● Implementing automated testing platforms and unit tests
● Proficient understanding of code versioning tools, such as Git
● Knowledge of GCP would be a plus
Perks
● Have autonomy to work from home. Only one rule: Get things Done!
● We promote and celebrate team members contributing at a variety of professional
conferences and events. Be a speaker, contribute to open sourcepublish academic
work, publish an online blog showing your expertise. we are here to encourage you!
● You join us in your current area of expertise and let us know about your personal
professional goals. Looking to start your company? Further studies at the best institutes?
Want to change career track? We make sure you reach there!
● Generous pool of ESOPs
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








