Tech Lead

Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.

We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

Experience - 3+.

Experience in Core Java 5.0 and above, CXF, Spring.

Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.

Good knowledge of multi-threading and high-volume server-side development.

Experience in sales and trading platforms in investment banking/capital markets.

Basic working knowledge of Unix/Linux.

Excellent problem solving and coding skills in Java.

Strong interpersonal, communication and analytical skills.

Should have the ability to express their design ideas and thoughts.

Job Overview:

We are looking for Tech Lead to join our Engineering team and lead all stages of the software product development life cycle. This will include analyzing system and user requirements, designing software flowcharts, writing clean Java code, troubleshooting bugs, and running tests to improve system functionality. If you are a person who has proficiency in Java technologies, good analytical skills, the ability to design software systems and anticipate issues, and frame remedial actions with excellent teamwork skills; We would like to speak to you

Responsibilities:

1. Design, develop, scale, and maintain backend services in Java
2. Collaborate with the engineering and product team to discuss project definitions and goals.
3. Work on individual priorities, deadlines, and deliverables.
4. Improve reliability, scalability, observability, and security of the backend systems.
5. Write simple, efficient, and maintainable code
6. Function well in a fast-paced, rapidly changing environment
7. Ensuring best coding standards and practices to improve and maintain quality.

Requirements:

8. Bachelor/Master degree in CS or related field from a reputed college
9. Sound knowledge of Java technologies.
10. Solid grip on the programming basics like DS and algorithms, OOPS.
11. Experience with software design and application programming
12. Understanding & experience with software design patterns, restful APIs, and microservice architecture
13. Experience with software design and application programming
14. Strong debugging skills
15. Exposure to CI/CD and Test-Driven Development
16. Nice to have are Unix / Linux, database SQl / NoSQL, Java Spring, working knowledge on scripting (Perl, Shell Scripting).

Key Responsibilities

• Develop and maintain backend services and APIs using Java (Spring Boot preferred).
• Integrate Large Language Models (LLMs) and Generative AI models (e.g., OpenAI, Hugging Face, LangChain) into applications.
• Collaborate with data scientists to build data pipelines and enable intelligent application features.
• Design scalable systems to support AI model inference and deployment.
• Work with cloud platforms (AWS, GCP, or Azure) for deploying AI-driven services.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews and technical discussions.

Required Skills

• 3–5 years of experience in Java development (preferably with Spring Boot).
• Experience working with RESTful APIs, microservices, and cloud-based deployments.
• Exposure to LLMs, NLP, or GenAI tools (OpenAI, Cohere, Hugging Face, LangChain, etc.).
• Familiarity with Python for data science/ML integration is a plus.
• Good understanding of software engineering best practices (CI/CD, testing, etc.).
• Ability to work collaboratively in cross-functional teams.

About Us

Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.

Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we secured a “Series-D” funding.

Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀. Do you think you have what it takes to help us achieve this? Find Out Below!

What will you do?

• Connect the dots between business goals and consumer problems through product development
• Solve the most challenging problem of scaling and business logic
• Design and develop services using test driven development with near 100% code coverage
• Develop and deploy services continuously using CI/CD on a daily basis
• Identify and own meaningful metrics for success and move them dramatically.
• Prepare and present management updates on key initiatives. Communicate clearly at all levels in the organization.
• Conduct multivariate experiments to constantly validate hypotheses and bash all the myths

You should apply, if you

• Display expertise: Have strong proficiency with Nodejs, My SQL, MongoDB and Caching and with code versioning tools, such as Git
• Can improvise: Understand the nature of asynchronous programming and its quirks and workarounds
• Showcase all round knowledge: Understand accessibility, security compliance, user authentication, and authorization between multiple systems, servers, and environments
• Can simplify: Can integrate multiple data sources and databases into one system. This also includes creating database schemas that represent and support business processes, and can implement unit tests
• Can figure out the basics: Understand fundamental design principles behind a scalable application

Being a Part of the Clan!

At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!

It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️

Are you a go-getter with the chops to nail what you do? Then this is the place for you.

Position: Sr. Java Developer

Qualification: BE, B. Tech, MCA, M. Tech

Experience: 6+ Years

Skills:

Java 8+, Microservices, Spring Boot, Nosql, Kubernetes, AWS, REST

Job Role and Responsibilities:

• Bachelor’s degree in Computer Science or equivalent
• Min 6 years of development experience in Spring Boot & Microservices architecture
• Working experience with Java, Spring Boot, Hibernate, MySQL, Spring Data JPA, AWS, Spring Cloud, Maven, GitHub, Swagger, Eureka, Zuul etc.
• Strong understanding of API Security for Microservices (Spring Security, OAuth 2.0, JWT)
• Strong understanding of web development cycle and programming techniques and tools
• Ability to work independently or with group

• Strong understanding of modern development methodologies and best industry standards
• Experience working with APIs, RESTful APIs & Microservices
• Experience building highly scalable applications using Redis, Kafka, Akka, gRPC
• Mentor, Train 3-4 engineers 
• AWS knowledge is a plus
• Strong knowledge on SQL and NoSQL Databases
• Should have worked on developing large scale products and services
• Knowledge on Agile processes is a must
• Able to work with multiple distributed teams

Company operates in over 25 countries across six continents and is part of Publicis Media, one of four solution hubs within Publicis Groupe, which is present in over 100 countries and employs nearly 80,000 professionals.

It believe there are better ways for brands to connect with people. And we’re on a mission to guide brands to better connections -- across consumers, channels and partners. These are just some of the services we offer our clients in our quest to deliver ambitious outcomes.

Required Qualifications and Skills:

• 3-5 years of work experience in the development background, with at least 2 years experience in Java, Spring, Sprint Boot, Hibernate or JPA, MySQL, Oracle, Spring MVC.
• B.E. degree in Computer Science, Graduate in Software Engineering or equivalent
• Experience in Core JAVA, Spring, Spring Boot Frameworks.
• Experience with ORM's like Hibernate.
• Good knowledge of developing RESTful web services using Spring Boot, Java1.x,Servlet2.4, JSP2.0, JDBC3.0, Java Mail, Struts2.x, HTML, HTML5, Angular7+, JavaScript, JSF, Bootstrap2.x-3.x, JQuery & CSS 3.x, Maven 3.x, Apache Tomcat7
• Knowledge of Cloud AWS.
• Experience in any Messaging Queue e.g. Apache Kafka, ActiveMQ, etc.
• Experience on Web services with REST and SOAP.
• Experience working on tool set like Eclipse IDE, SQL clients.
• Experience using application server like Jboss, TomCat, Wildfly, glassfish.
• Experience in using tools like SOAP UI, POSTMAN
• Ability to write SQL queries to fetch data.
• Knowledge of Micro services, Redis Cache and Mongo DB (or any other NoSQL) is good to have