Sr. Java Developer

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 

⚠️ Important Note (Please Read Before Applying):

• Only candidates with 5–8 years of relevant experience should apply.
• Freshers or candidates with less than 5 years of experience – please do not apply.
• Only immediate joiners or candidates currently serving notice will be considered.
• Strict NO for 30 / 60 / 90 days notice period.

Job Title: Java Developer (5–8 Years)

Location: Bangalore (Hybrid Mode)

Experience: 5 to 8 years

Joining: Immediate / Notice Serving Only

About the Role:

We are looking for passionate and highly skilled Java Developers to join our dynamic team in Bangalore. The ideal candidate will have strong expertise in Java, Spring Boot, Collections, Multithreading, and Data Structures & Algorithms (DSA), with proven problem-solving abilities.

Key Responsibilities:

• Design, develop, and maintain high-performance, scalable, and secure applications.
• Work with Spring Boot and related frameworks to build microservices-based solutions.
• Optimize code using Collections & Multithreading concepts for performance and reliability.
• Apply strong DSA and problem-solving skills to deliver efficient solutions.
• Collaborate with cross-functional teams to ensure timely delivery of high-quality software.
• Troubleshoot, debug, and resolve production issues efficiently.

Required Skills & Experience:

• 5–8 years of hands-on experience in Core Java and Spring Boot.
• Strong expertise in Collections, Multithreading, and Concurrency.
• Solid understanding of DSA, Algorithms, and System Design fundamentals.
• Experience in developing REST APIs and Microservices.
• Proficiency in writing clean, maintainable, and efficient code
• .Strong analytical and problem-solving skills.

Why Join Us?

• Opportunity to work on cutting-edge projects with modern architectures.
• Hybrid work setup in Bangalore.
• Fast-paced and growth-driven environment.

What You will do 

● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.

● Work on world-class software products using the latest cutting edge technologies and platforms.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 5+ years.

● Hands-on development experience in backend, Java, SprintBoot, Hibernate, SQL, MongoDB, Jenkins, Microservices etc...

● Server-side development experience mainly in JAVA.

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

● Experience in working with cross-border, distributed teams is a must.

Nice to have Qualifications 

● Product and customer-centric mindset.

● Great OO skills, including design patterns.

● Experience with large-scale enterprise systems

Read less

Role:  Java Plugin Developer

• Sound knowledge and hands-on experience in building a software application using Java 
• Proficient in Core Java (OOPs, Design Patterns, Stream API, Multithreading, Generics).
• Good understanding of OSGi,Eclipse RCP and Plugin development

• Experience in either of these Relational DB’s MS SQL Server / PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch DB.
• Design database tables, views, indexes
• Write functions and procedures for Middle Tier Development Team
• Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
• Query Optimization for performance improvement
• Design & develop SSIS Packages or any other Transformation tools for ETL

• Banking / Insurance / Retail domain would be a plus.
• Interaction with a client a plus

• Knowledge in a Cloud Platform (AWS / Azure)
• Knowledge on version control system (SVN / Git)
• Exposure to Quality and Process Management
• Knowledge in Agile Methodology

• Team building (attitude to train, work along, mentor juniors)
• Communication skills (all kinds)
• Quality consciousness
• Analytical acumen to all business requirement
• Think out-of-box for business solution

Founder’s LinkedIn profile

Dheeraj Pandey

(Founder, Investor, & Then-CEO of Nutanix / One of the Indian origin guy out of 10 Board Member of- Adobe / Alumni- IIT, Kanpur & University of Texas, Austin)

https://www.linkedin.com/in/dpandey/">https://www.linkedin.com/in/dpandey/

&

Chandra Nath

(Vice President- Nutanix/ Vice President, Head of International- Ola (ANI Technologies Pvt Ltd) – Alumni- IIT, Kanpur, The University of Chicago Booth School of Business)

https://www.linkedin.com/in/chandranath/">https://www.linkedin.com/in/chandranath/

&

Manoj Agarwal

(Co-Founder at Stealth Startup, Previously SVP Engineering & GM Hybrid Cloud at Nutanix/ Alumni- IIT, Kanpur)

https://www.linkedin.com/in/devreveler/">https://www.linkedin.com/in/devreveler/

• Headquarters: Austin, Texas, United States
• Year founded: 2020.
• Work Location: Bangalore
• Team size: 35-40 (In US from companies like Google, Airbnb, Blizzard, Facebook, Palantir, Microsoft, CapitalOne, Nutanix and Confluent)
• Funding: 50 M USD (raised the largest seed round in the history of Silicon Valley)

Note:

We already have a team of 30-35 people in San Jose, California, United States, now we are building a new team in india and they are hiring 0-5 years of rock stars from top notch colleges (Top 5 ranked IIT’s only & BITS) & companies only.

Note:

Basically, I did not have the exact JD with myself, but I can arrange an Exploratory call for you with above senior and core members of a company (Dheeraj/Chandra/Manoj).

Job Role – Backend developer.

If you think, you are one of them then please reply with your interest and we will take your candidature ahead for next level of evaluation. (No Bar of budget for strong candidate).

Looking forward to taking you to the next level of technology.

Warm Regards,

Rahul Rajput

Senior talent acquisition 

• Understand the fundamentals of Software Engineering, such as Data Structures, Algorithms, Design Patterns
• Ability to write Java applications using Spring, Springboot or any other microservices frameworks
• Experience in the development of REST applications, in Java or Kotlin
• Capable of writing effective APIs
• Solid knowledge of JVM fundamentals such as classloading, memory management, garbage collection
• Demonstrated experience in platform API design and development
• Knowledge on microservice and event-driven architecture
• Experience in working with version control frameworks such as Git (preferable), SVN
•      Experience with NoSQL databases (MongoDB or Cassandra) & Relational Databases
• Solid understanding of TDD & Agile principles such as CI / CD, with a proven track record of implementing solutions centred around those concepts
• Excellent communication, collaboration, reporting, analytical and problem solving skills

Idea Clan is an Internet Marketing company that works with a lot of global ecommerce, Social Media and performance marketing clients. We own an Influencer network called Viral Sparks. We work with huge brands like twentytwowords.com, ranker, diply, littlethings.com, boredometherapy, providr etc. We are a Certified GOLD partner with Microsoft and an expert at CPA (Cost per action) marketing solutions. Everyone that works at IdeaClan is family. And we grow as one.

We are looking for a Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.

- Translate application storyboards and use cases into functional applications

- Design, build, and maintain efficient, reusable, and reliable Java code

- Ensure the best possible performance, quality, and responsiveness of the applications

- Identify bottlenecks and bugs, and devise solutions to these problems

- Help maintain code quality, organization, and automatization

- Proficient in Java, with a good knowledge of its ecosystems

- Proficient in Springboot, Hibernate, RabbitMQ

- Solid understanding of object-oriented programming

- Familiar with various design and architectural patterns

- Skill for writing reusable Java libraries

- Knowledge of concurrency patterns in Java

- Familiarity with concepts of MVC, JDBC, and RESTful, GraphQL

- Experience with popular web application frameworks, such as Play and Spark

- Knack for writing clean, readable Java code

- Experience with both external and embedded databases

- Understanding fundamental design principles behind a scalable application

- Basic understanding of the class loading mechanism in Java

- Creating database schemas that represent and support business processes

- Basic understanding of JVM, its limitations, weaknesses, and workarounds

- Implementing automated testing platforms and unit tests

- Proficient understanding of code versioning tools, such as Git

- Familiarity with build tools such as Ant, Maven, and Gradle

- Familiarity with continuous integration