
JOB DESCRIPTION
Experience: 6-10 years
Wissen Technology is now hiring for a Senior 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. - 6-10 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
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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What You Will Do:
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• Design and implement REST APIs and socket-based communication.
• Optimize code for speed, performance, and reliability.
• Collaborate with frontend teams to integrate server-side logic.
• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.
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• 2–5 years of experience in Python and backend development.
• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).
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• Bachelor’s degree in Computer Science or related field.
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• Past experience in fintech, trading systems, or algorithmic trading.
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• Exposure to trading, fintech, or low-latency systems.
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Role: .Net Developer
Experience Level: 4 to 9 Years
Work location: Mumbai, Bangalore, Trivandrum (Hybrid)
Key Responsibilities:
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● Implement robust Web APIs with proper error handling, validation, and security
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● .NET Framework/Core: 4+ years of production experience with .NET Core 3.1+ / .NET 5+ and C# 8+
● Frameworks: Strong hands-on experience with ASP.NET Core Web API, Entity Framework Core
● REST API Development: Proven experience designing and implementing RESTful web services, middleware
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pattern
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Job Title: Senior Software Engineer
Division/ Department: Technology
Reports to: Engineering Manager
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Desired Work Experience: 4+ years
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About Aakash Technology Innovation Lab
Are you passionate about transforming the field of education as we know it?
The way education is imparted has been disrupted massively due to forces such as ed-tech digital revolution, the advancement in artificial intelligence technology and the pandemic. Given the rapid pace of transformation, the vision of the Technology Innovation Lab at Aakash is to make the education of the future a reality. The Technology Innovation Lab aims to leverage state-of-the-art technologies to develop industry-defining bleeding-edge solutions for a student-first world-class hybrid learning experience. This involves -
- Reimagining and conceptualizing how education will be imparted in the future in the omni-channel and immersive learning environment
- Building data platforms such as Power BI dashboards to facilitate students, parents, teachers and the business
- Creating applications to support the futuristic tech-enabled smart classrooms
- Conceptualizing and developing mobile and web applications for seamless customer experience
- Developing Internet of Things (IoT) driven integrations into applications to build futuristic learning experience
- Leveraging Artificial Intelligence (AI) and Machine Learning (ML) to identity interventions to boost student performance
If this excites you, we might have the perfect opportunity for you in the world’s most valued ed-tech company!
About Aakash - AESL
Aakash Educational Services Limited (AESL), commonly known as Aakash, is one of the most leading educational services institution providing comprehensive test preparatory services for students preparing for medical and engineering entrance examinations, school/board exams and competitive and scholarship exams such as NTSE, KVPY, and Olympiads.
AESL also partnered with Blackstone, a global investment management firm.
With more than 32 years of operational experience in the test preparatory coaching industry, the company has a pan India network of 220+ Aakash centres with an annual student base 2,50,000+ students and an employee count of more than 4700.
Purpose of the Role
Develop software solutions that enable the students, parents and teachers to have superior learning and teaching experiences, both inside and outside the classroom.
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- Develop state-of-the-art high performance and low latency software applications for mission critical systems
- Contribute in all the phases of the software development lifecycle
- Craft a well-designed, testable, efficient code
- Perform object-oriented analysis and design using common design patterns.
- Effectively and seamlessly manage communication with all stakeholders.
- Manage and provide live support to the developed applications
Qualification/ Experience
Must-Have Preferred
Education B.E / B.Tech Information Technology / Computer Science/ Information Science
- Experience 4+ years of hands-on experience in designing and developing applications using Java EE, Spring, Spring MVC, Spring Boot Frameworks
- Experience with test-driven development
- Experience with relational databases (MySql, Oracle, Postgres) or NoSql Databases (Cassandra, MongoDb, CouchDb) .
- Agile programming (Sprint, Scrum) experience
- Skills Understands version control branching strategies
- Understands different major language paradigms (object oriented /functional /reactive)
- Understanding and some experience in programming with AWS SDK
- Knowledge of Kafka and Redis
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Behavioral Competencies Level Functional Competencies Level
1 Team Player Written and Verbal Communication
2
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As a technology professional in Aakash Technology Innovation Lab we offer you an opportunity to -
- Become a pioneer of the education of the future by reimagining and building innovative solutions for the ed-tech industry leading hybrid learning experience
- Be a force of technological disruption as a part of a passionate and high growth team on an exciting endeavor to transform the education industry
- Belong to an upbeat, flexible and relaxed work culture with a specific focus on collaboration
- Craft an excellent career at Aakash through a broad realm of career tracks and opportunities
- Excel in your chosen stream and become a renowned technologist in the ed-tech industry with heavy investment from the business into your learning, exposure and growth
- Have a highly competitive compensation and benefits package
We are seeking an experienced Senior Java Developer specializing in Spring Boot and Apache Camel to join our team. This individual will be responsible for designing, developing, and implementing robust, scalable, and high-performance applications. You will work on complex projects and integrations, leveraging Spring Boot and Apache Camel to streamline business processes and message routing.
Key Requirements:
- 5+ years of experience in Java Development, specifically with Spring Boot.
- Proven experience in using Apache Camel for integrating distributed systems.
- Solid understanding of microservices architecture and RESTful API development.
- Proficiency in Java-based middleware technologies.
- Strong knowledge of message queues (e.g., RabbitMQ, ActiveMQ, Kafka) and their integration with Apache Camel.
- Experience with cloud services such as AWS, Azure, or GCP is a plus.
- Familiarity with CI/CD pipelines and automated deployment processes.
- Experience with Agile development methodologies.
- Strong problem-solving skills and attention to detail.
- Excellent communication skills, both written and verbal.
Bonus Skills:
- Experience with Docker and Kubernetes for containerization and orchestration.
- Knowledge of Apache Kafka for event streaming.
- Experience with modern development tools like Git, Jenkins, and JIRA.
What We Offer:
- A dynamic and collaborative work environment.
- Opportunities for career advancement and skill development.
- Flexible working hours and the ability to work remotely.
- Competitive salary and benefits.
About the Role
As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives.
Responsibilities
- Designing, developing and maintaining core system features, services and engines
- Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of a conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
- Ensure the developed backend infrastructure is optimized for scale and responsiveness
- Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project.
- Introducing new ideas, products, features by keeping track of the latest developments and industry trends
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
Requirements
- Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)
- Proficiency in working on Linux based Operating system.
- Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus
- Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java).
- Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks.
- Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc.
- Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.
- Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming).
- Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
- Experience developing cloud software services and an understanding of design for scalability, performance and reliability
- Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads.
- Proficiency is concepts of monolithic and microservice architectural paradigms.
- Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.
- Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb
- Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus
- Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus
- Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus
- Proficiency in functional programming ( Scala ) languages is an added plus
- Proficiency in working with NoSQL/graph databases is an added plus
- Proficient understanding of code versioning tools, such as Git is an added plus
- Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus
- Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus
- Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus
- Working Knowledge of container orchestration platform like Kubernetes is an added plus
At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
About Client : Our client is an American company that develops, manufactures and sells solar micro-inverters, energy generation monitoring software and battery energy storage products
The Back-End engineer will develop, maintain, architect & expand cloud microservices. Codebase uses Java, Spring Boot, Mongo, REST APIs, MySQL. Applications are dockerized and hosted in AWS using plethora of AWS services.
Key Responsibilities and Outcomes
- Programming in Java + Spring Boot
- REST API with JSON, XML etc. for data transfer
- Multiple database proficiency including SQL and NoSQL (Cassandra, MongoDB)
- Ability to develop both internal facing and external facing APIs using JWT and OAuth2.0
- Familiar with HA/DR, scalability, performance, code optimizations
- Experience with working with highly performance and throughput systems
- Ability to define, track and deliver items to ones own schedule
- Good organizational skills and the ability to work on more than one project at a time
- Exceptional attention to detail and good communication skills
Minimum Qualifications
- B.E/B.Tech in Computer Science from top tier college and >70% marks
- 70% or 7 CGPA throughout in education.
- Top 100 Engineering colleges only (NIRF ranking)
- Stability in job.
- Experience with SQL + NoSQL (Preferably MongoDB)
- Experience with Amazon Web Services, JIRA, Confluence, GIT, Bitbucket
- Ability to work independently and as part of a project team
- Strong organizational skills, proactive, and accountable.
- Excellent critical thinking and analytical problem-solving skills
- Ability to establish priorities and proceed with objectives without supervision
- Ability to communicate effectively and accurately
- Clear concise written project status update throughout the project lifecycle
- Highly skilled at facilitating and documenting requirements
Your Opportunity
- Own and drive business features into tech requirements
- Design & develop large scale real time server side systems
- Quickly create quality prototypes
- Staying updated on emerging technologies
- Ensuring that all deliverables adhere to our world class standards
- Promote coding best practices
- Mentor and develop junior developers in the team
Required Experience:
- 4+ years of relevant experience as described below
- Excellent grasp of Core Java, Multi Threading and OO design patterns
- Experience with Scala, functional, reactive programming and Akka/Play is a plus
- Excellent understanding of data structures and algorithms
- Solid grasp of large scale distributed real time systems
- Prior experience on building a scalable and resilient micro service
- Solid understanding of relational databases, NoSQL databases and Caching systems
- Good understanding of Big Data technologies such as Spark, Hadoop is a plus
- Experience on one of AWS, Azure or GCP
Who you are :
- You have excellent and effective communication and collaborative skills
- You love problem solving
- You stay up to date with the latest technologies and then apply them in real life
- You love paying attention to detail
- You thrive in meeting tight deadlines and prioritising workloads
- Ability to collaborate across multiple functions
Education:
Bachelor’s degree in Engineering or equivalent experience within the field
Experience: 5+ Years
An Architect is a hands-on, talented, innovative, and practical individual with functional experience to design, implement and support the delivery of core products and product components.
- Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require frequent use of ingenuity and creativity.
- Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
- Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API developer frameworks.
- Responsibilities:
- Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities
- Provide technical guidance and mentorship to engineers, designers, and developers.
- Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and deployment.
- Requirements:
Ideal candidate should have
- 7+ years of system implementation experience
- Experience with any of the following languages like Java / Nodejs / ROR / Python
- Expertise in micro service / Data modelling / AWS / Messaging
- Expertise in building scalable & reliable systems
- Good Experience in working with technologies like AWS, Redis,
- Experience in messaging systems like SQS/RabbitMQ
- Good knowledge of caching, Databases, distributed systems.
- Strong problem solving and analytical skills
- Good experience with Devops









