
JOB DESCRIPTION:
Location: bangalore
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- 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:
- 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
- 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

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
Similar jobs
Position : Java NLP Engineer
Location : Remote/Bangalore/Pune
Experience : 2+ Years
Responsibilities :
- Design and develop NLP solutions using Java or transition to Java-based development.
- Utilize NLP libraries like Stanford NLP, SpaCy, NLTK, or OpenNLP.
- Perform tasks like POS Tagging, Lemmatization, Dependency Parsing, and Phrase Chunking.
- Implement advanced NLP techniques, including text summarization and knowledge extraction.
- Develop rule-based NLP systems and analyze textual data.
- Apply graph algorithms to tasks such as semantic analysis and knowledge representation.
- Leverage resources like WordNet or ConceptNet for language models.
- Conduct information extraction using regular expressions.
Requirements :
- 2+ Years of experience in NLP (industry or academic).
- Proficiency in Java or readiness to adopt Java-based workflows.
- Expertise in syntactic analysis and NLP frameworks.
- Experience with text datasets and building NLP pipelines.
- Knowledge of graph algorithms and lexical databases (WordNet/ConceptNet preferred).
- Strong skills in crafting regular expressions for text extraction.
- Collaborative mindset with excellent problem-solving abilities.
Job brief
We are looking for a qualified Database developer to design stable and reliable databases, according to our company’s needs. You will be responsible for developing, testing, improving and maintaining new and existing databases to help users retrieve data effectively.
As part of our IT team, you will work closely with developers to ensure system consistency. You will also collaborate with administrators and clients to provide technical support and identify new requirements. Communication and organization skills are keys for this position, along with a problem-solution attitude.
Ultimately, you should be able to ensure our database systems run effectively and securely on a daily basis.
Responsibilities
- Design stable, reliable and effective databases
- Optimize and maintain legacy systems
- Modify databases according to requests and perform tests
- Solve database usage issues and malfunctions
- Liaise with developers to improve applications and establish best practices
- Gather user requirements and identify new features
- Develop technical and training manuals
- Provide data management support to users
- Ensure all database programs meet company and performance requirements
- Research and suggest new database products, services and protocols
Requirements
- Proven work experience as a Database developer (5+ Years)
- In-depth understanding of data management (e.g. permissions, recovery, security and monitoring)
- Knowledge of software development and user interface web applications
- Advanced proficiency and hands on experience with T-SQL, Stored Procedures, Cursors, Triggers, Schedulers etc.
- Familiarity working with MS SQL Server, MySQL, .Net Framework, java
- Excellent analytical and organization skills
- An ability to understand front-end users’ requirements and a problem-solving attitude
- Ability to craft detailed technical manuals.
- Excellent verbal and written communication skills
- BE/MCA/MSc Degree in Computer Science or relevant field.
Enterprise Minds, with core focus on engineering products, automation and intelligence, partners customers on the trajectory towards increasing outcomes, relevance and growth.
Harnessing the power of Data and the forces that define AI, Machine Learning and Data Science, we believe in institutionalizing go-to-market models and not just explore possibilities.
We believe in a customer-centric ethic without and people-centric paradigm within. With a strong sense of community, ownership, and collaboration our people work in a spirit of co-creation, co-innovation and co-development to engineer next-generation software products with the help of accelerators.
Through Communities we connect and attract talent that shares skills and expertise. Through Innovation Labs and global design studios we deliver creative solutions.
We create vertical isolated pods which has narrow but deep focus. We also create horizontal pods to collaborate and deliver sustainable outcomes.
We follow Agile methodologies to fail fast and deliver scalable and modular solutions. We constantly self-asses and realign to work with each customer in the most impactful manner.
Pre-requisites for the Role
1.Job ID-EMJA0120PS
- Primary skill:
- Must have experience developing in Java latest version (least version is 8)
- Must have experience in design and development using Micro service architecture
- Solid knowledge in OOP concepts, and design principles/patterns for developing scalable applications
- Must have experience developing Spring Bootapplications
- Must have experience developing database access layer using Spring Data JPA/Hibernates
- Must have experience in developing REST Servicesusing Spring
- Good working experience in development of event driven systems using any framework
- Must have experience with any RDBMS and at least one NoSQL database preferably PostgresSQL and Mongo DB
- Must have experience writing unit and integration tests using Junit
- Must have experience using mock frameworks like Mockito, WireMock
- Must have experience using Git
- Must have experience with CI / CD
- Basic hands-on experience in one of the cloud provider (AWS/Azure) or at least docker and Kubernetes
- Familiarity with build tools Maven or Gradle
- Added advantage with experience of Reactive and Functional Programming
- Secondary skill:
- Develop Java webservices and components according to a detailed design document.
- Build efficient, reusable and reliable Java code per industry best practices.
- Follow TDD approach and ensure unit-test coverage meets quality requirements.
- Develop Integration tests to ensure coding adheres to acceptance criteria and verify end-to-end behavior of the system.
- Ensure best possible performance, quality and responsiveness of application
- Years of Experience: 11-12 Years
- Location: Remote
- Position-1
- Budget- Max 40 LPA
- NP- Immediate
Develop server-side applications using NestJS and NodeJS.
. Should have great hands-on knowledge of TypeOrm.
• Design and implement APIs, web services, and database models.
• Collaborate with front-end developers and other team members to integrate user-facing elements with server-side logic.
• Optimize application performance for maximum speed and scalability.
• Implement security and data protection measures.
• Conduct thorough testing and debugging of applications.
• Troubleshoot and resolve issues, ensuring high application reliability.
• Stay up-to-date with emerging technologies and industry trends, and apply them to projects as necessary.
• Collaborate with team members, participate in code reviews, and provide constructive feedbacks.
• Follow best practices and coding standards to ensure high-quality and maintainable code..
Requirements:
• Bachelor's degree in Computer Science...
Shift: 11 am to 8 pm
Hands on skills on the following technologies:
- Kafka Streams
- CassandraDB
- MS SQL SERVER
- Liquibase
- Maven, GIT, JUNITS
Mandatory skills:
- Java 17
- Spring Boot
- Spring Cloud
- Spring JPA
- Apache Kafka
- Microservices
Who are we?
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.
What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.
We are pleased to have an Employee rating of 4.6 on Glassdoor and our Customer obsession can be seen in our reviews on platforms like G2 Crowd & Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - Sequoia Capital || Stellaris || Cisco || Eight Roads || Helion Ventures
“Hustle Mode ON” is something we live by.
Our Team:
The Engineering team at Whatfix provides end to end engineering throughput that forms part of core platforms and services that drive Whatfix business.
Our team is responsible for creating the Customer Platform and everything around it be it Analytics, Infrastructure or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
Your Opportunity:
As part of the Core Engineering Team @Whatfix, you’ll have the opportunity to make a difference by being a part of the development team that builds future forward products. At Whatfix it’s all about scale. One of the key attributes of this job is that you are required to continuously innovate and apply technology to provide business 360 views of Whatfix customers.
Your Responsibility:
- Define architecture blueprints & take complete technical ownership of high-level design, tech stack, non-functional attributes of one or more components of various platforms
- Design, build, test and deploy cutting edge solutions at scale, impacting millions of customers worldwide
- Work closely with other architects in the team and ensure architectural consistency and technical excellence of the products and platforms
- Work with engineering teams in building high-quality and highly resilient scalable products and platforms at Whatfix
- Work with cross-functional teams to address all technical dependencies
- Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms
- Actively participate in technical innovations, external presentations, technical publications etc.
- Identify right open source tools to deliver product features by performing research, POC/Pilot and/or interacting with various open-source forums
- Deploy and monitor products on Cloud platforms
Our Ideal Candidate:
You have a deep interest and passion for technology. You love writing and owning code and enjoy working with people who will keep challenging you at every stage. You have strong problem solving, analytic, decision-making and excellent communication with interpersonal skills. You are self-driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.
Your Qualifications:
- 11+ years of experience as an Engineer
- Ability to work with teams in a collaborative and productive manner
- Strong computer science fundamentals in data structures and algorithms
- A self-motivated learner and builder with strong customer focus and obsession with quality
Must-Have:
- Strong Expertise in Backend Technologies- Java, Spring Boot, etc
- Expertise in working with AWS or other cloud infrastructures like Azure or Google Cloud, and using Infrastructure-as-Code tools
- Analyze Functional & Non-Functional requirements with effort estimation and deployment strategies
- Hands-on in Architecting and developing large scale applications
- Hands-on debugging skills
- Design for performance, scalability, fault tolerance and high availability
Good to have:
- Experience in Client-side technologies such as jQuery
- Experience in Front End Technologies is good to have (Javascript, React)
- Experience with Storage systems - NoSQL (Cassandra/MongoDB)
- Leveraging cutting edge technologies like Kubernetes, Docker, etc. to design and build new infrastructure features
Behavioural traits:
- Excellent communication and technical leadership skills
- Can-do attitude to take BIG problems by their horns and solve them
- Ability to inspire others & be a role model and mentor for upcoming engineers in the organization
- Entrepreneurial spirit to conceive ideas, turn challenges into opportunities and build products
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status
Responsibilities
- Lead the development of the backend systems for our first product
- Build reliable, secure and performant backend systems
- Drive test coverage and continuous delivery automation within the team
- Mentor and provide feedback to teammates
Requirements
- 5+ years of software development experience
- Strong computer science fundamentals
- Deep and wide knowledge of Java ecosystem
- Can write code that is readable, maintainable, secure and performant
- Know the importance of tests and how to approach writing different types of tests
- Good intuition for REST API design
- Deep understanding of relational databases, transactions, entity-relationship modeling
- Comfortable writing highly concurrent systems
- Experienced in using profilers, tuning garbage collection, optimizing SQL queries
Desired Skills and Experience
- Golang , Java , Python , Ruby
Exp :5-7 Yrs
Skills : Java, Spring, Hibernate
5years of hands-on experience in software development/product development
Hands-on experience in designing and developing of Java-based products using Spring MVC, Hibernate technology
Must have handled projects in Core Java/ J2EE / JSP, Servlets, JavaScript/JQuery, Json, CSS, AJAX & Spring, Hibernate frameworks











