
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
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Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
Our client is a prominent Indian Payment Gateway company and we are seeking a talented Senior Engineer / Architect to join our team and help build robust systems from the ground up.
Experience: 4-10 years [Immediate joiners highly preferred]
Essential: System Design, Java with Spring Boot / microservices and great communication skills.
Should be able to translate user requirements to a blueprint that can drive the implementation phase and in addition mentor junior developers. Would also be actively involved in writing code.
Added advantage:
- Microservices deployment with Docker
- Experience with Spring Cloud would be great
Key Responsibilities:
- Design and develop robust, scalable Java applications
- Collaborate with cross-functional teams to drive innovation
- Participate in code reviews and contribute to best practices
What We Offer:
- Super learning opportunities, being part of hardcore tech team
- Competitive salary
- Freedom to explore and innovate
No FinTech experience? No problem! We value attitude and aptitude.
Location - Pune, MH (Hybrid)
Note - You would be working directly with me to:
- Understand existing systems
- Identify gaps
- Participate in design decisions
- Write code
- Conduct proof of concepts
- Drive improvements
Hi,
As discussed, please refer to below Job description and revert with you updated resume –
About Client : Client is a digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce & Retail, Education & eLearning, Insurance, Tech Startups, Government & Semi-Government, and more. Backed with an impressive experience of 25+ years and a fast-growing family of 4000+ engineering professionals our capabilities span across IT Consulting, Strategy Planning & Execution, Business Process Re-engineering, IT Modernization, and Business Analysis Consulting, our solutions are devised meticulously to address the needs of specific industries.
We are a CMMI Level 5 organization global IT Solution provider and Outsourcing company headquartered in Mumbai and footprints with 10 delivery centres in India and 15 global offices. Our success portfolio boasts of 7500+ projects accomplished across 1500+ clients in 50+ countries with client retention rate as high as 85%
Job Description :
Java Architect (10+ Years)
Location: Navi Mumbai, CBD Belapur
Domain: Banking (Payment Gateway Project)
NOTE: 1st and 3rd Saturdays working as per banking norms
Education: B.E. or Graduation in Computer Science or related field
Key Responsibilities:
• Architectural Leadership: Lead the architecture and design of complex, scalable, and secure banking applications, focusing on payment gateway solutions.
• Technology Stack Mastery: Provide expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and cloud-native architectures using AWS.
• Spring Validation & Authorization: Ensure secure and validated input handling using Spring Validation, and implement robust authorization mechanisms with Spring Security.
• Cloud Integration: Design and implement cloud-native architectures using AWS, including services like EC2, S3, RDS, Lambda, and API Gateway.
• Security Standards: Ensure adherence to banking security st OAuth2, JWT, and encryption protocols.
• Database Design: Oversee the design and optimization of relational databases, focusing on Oracle SQL and knowledge of NoSQL databases like MongoDB.
• Performance Optimization: Implement strategies for application performance tuning, caching, and scalability.
• Collaboration & Mentorship: Work closely with cross-functional teams, providing technical guidance and mentoring to developers.
• Stakeholder Engagement: Collaborate with business stakeholders to ensure architectural alignment with business objectives and technical constraints.
• Code Quality & Reviews: Conduct regular code reviews, ensuring compliance with best practices and architectural standards.
Skills and Qualifications:
• Extensive Experience: 8+ years in Java development and architecture, with a proven track record in the banking domain, particularly in payment gateway projects.
•Technological Proficiency: Deep expertise in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, Spring Validation, Spring Security for authorization, AWS, Docker, Kubernetes, and Jenkins.
• Cloud & DevOps Knowledge: Good understanding of cloud-native applications and DevOps practices.
• Security Focus: Experience in implementing security protocols and practices in a banking environment.
• Leadership & Communication: Strong leadership, communication, and stakeholder management skills.
• Innovative Thinking: Ability to think critically and provide innovative solutions to complex problems.
Required Documents:
• 10th and 12th passing certificates and marksheets.
• Graduation marksheets and passing certificate.
• Graduation degree (Convocation) certificate. • All employer offer letters and relieving letters (with stamp and CIN number on letterhead)
Regards
Amit Kumar Pandey

Backend .Net Developers
Vizag/Hyderabad/Remote
Contract / Fulltime
UK shift : 2- 11 PM IST
Exp Level: 6-10 years
Details:
.Net Core
C#
Experience in developing Microservices.
Experience deploying MicroServices in Docker containers
MVC or other design patterns
Container services in AWS/Azure
Experience with MS-SQL or Postgress
Knowledge on Message Queuing
EXCELLENT COMMUNICATION MUST
This role is a US Client facing, hence we need someone with excellent communication skills and also someone with prior US Client facing experience.
Interview Process:
Online Assessment
Call with our VP
End Customer Interview

Responsibilities:
• Take on complex problems that span multiple components and teams.
• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results
Requirements:
• Experience: 3+ years
• A Bachelor's or Master's Degree in Computer Science
• Software engineering and product delivery experience, with a strong background in algorithms
• Experience in architecting & building real-time, large-scale e-commerce applications
• Experience with high-performance websites catering to millions of daily traffic is a plus
• Excellent command over Data Structures and Algorithms
• Experience with web technologies, Go/Java/Python
• Language: GO or Python
• Strong expertise in DS and Algo
• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.
• Have worked in the scaling of the system right from scratch.
• Someone worked in small user base to a large user base and wrote optimized code
• Both HLD and LLD
- 2.5+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of https://www.simplilearn.com/tutorials/java-tutorial/oops-interview-questions" target="_blank">Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
- Experience in working with popular web application frameworks like Play and Spark
- Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
- Ability to write clean, readable Java code
- Basic knowhow of class loading mechanism in Java
- Experience in handling external and embedded databases
- Understanding basic design principles behind a scalable application
- Skilled at creating database schemas that characterize and support business processes
- Basic knowledge of https://www.simplilearn.com/jvm-and-the-implications-of-sandbox-model-rar41-article" target="_blank">JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- In-depth knowledge of code versioning tools, for instance, Git
- Understanding of building tools like Ant, Maven, Gradle, etc
- Expertise in continuous integration

Eximius is a micro-VC fund which invests into early-stage startups. One of our portfolio startup iTribe is looking for "Hustlers", "First Principle Thinkers", "Crazy and trips on creating products out of the box from scratch", "Outspoken", "unafraid of users ripping your product".
About iTribe:
iTribe is on a mission to make discussing finance from being a taboo topic to a dinner table topic, which means making "Bharat" financially literate and independent. iTribe is a social network which allows anyone to discover, discuss, vet ideas and seek advice from like-minded iTribe aims at making Finance simple, witty and fun for everyone
Founded in 2021 by IIT Kharagpur alumni to convert their own journey of becoming investors into a product to help billion users. An emerging startup backed by some of the most respected investors around the world.
Responsibilities
- Craft clean, manageable code, maintain proper documentation and code integrity
- Maintain quality and ensure 100% uptime
- Create, test and deploy the applications on production servers
- Continuously discover, evaluate, and implement new technologies and frameworks to maximize development efficiency
- Responsible for security and data protection.
- Working alongside Product managers to architect and design new features.
- Collaborate with the rest of the engineering team to launch new features.
- Unblock peers and keep all the internal and external teams informed about the progress of development
Requirements
- 2 - 5 years of experience in designing and developing Server side component (REST APIs, Micro service Architecture)
- Good understanding and strong in data structures and algorithms (Degree in computer science is an added advantage)
- OOP implementation experience with back-end programming languages (Ex: JavaScript, Python, Java, etc).
- Good to have experience with event driven architecture.
- Good understanding of databases such as MongoDB, PostgreSQL, MySQL.
- Well-versed with Software Development Life Cycle
- Demonstrate the ability to be a self-starter, learn and implement new technologies/ frameworks
- Excellent analytical and problem-solving skills
Why you should join iTribe?
- Building a product which is not done in decades.
- Be a part of the founding team and work directly with the founders.
- Competitive Salary
- ESOPs - ownership in the company
- Medical Insurances
- Subscriptions to premium platforms for learning
- Books that you ask for
- Friendly leave policy
Backend Developer
Role : Backend Developer
Department : Technology Team
Experience : 2 - 3 Years of working experience in Backend
Experience in a related position from Gaming Industry would be preferred
Location : South Delhi; 5 Day Working
Qualification : Bachelor’s degree in Technology
Major Skills : Java, NodeJs, Microservices, Data Structures, etc
Ideal Candidate Requirements :
- Experience in development of Java and NodeJs based applications.
- Experience in building microservices from scratch to production level.
- Strong experience in Core Java and MultiThreading
- Good Knowledge of Data Structures
- Worked on Oracle, REDIS and DYNOMITE
- Good Knowledge of Telecom Protocol SIP
Ideal Candidate Skills Requirements :-
- Distributed systems - Microservices - Algorithm design, System Design
- Performance Engineering, Scalability and Architecture
- Gaming Models, Matching and Allocation Algorithms
- Spring Boot, Hibernate, Java reactive, JPA
- Relational Databases - MSSQL,
- Design Patterns : MVC, Singleton, Adapter, Factory, Builder, Strategy
- Messaging Queues - Apache Kafka
- Cache - Redis
- Search - Elastic Search
- Java
- NoSQL - Mongo, Cassandra
- Jenkins, GIT, BitBucket, JIRA

