
JOB DESCRIPTION:
Location: mumbai
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– 7 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.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology

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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About the Role:
We are looking for an experienced Senior MERN Stack Developer to join our growing engineering team. You will be responsible for designing, developing, and maintaining high-performance web applications using the MongoDB, Express.js, React.js, and Node.js technology stack. You should be passionate about writing clean, scalable code and mentoring junior developers.
Key Responsibilities:
- Design and implement scalable, secure, and maintainable full-stack web applications using the MERN stack.
- Develop RESTful APIs and integrate third-party services and databases.
- Write reusable, testable, and efficient code.
- Optimize applications for maximum speed and scalability.
- Lead code reviews and enforce best practices in design and development.
- Collaborate with UI/UX designers, product managers, and other stakeholders to understand business requirements.
- Ensure cross-platform optimization and responsiveness of applications.
- Mentor and guide junior developers, fostering a culture of continuous learning.
- Troubleshoot and debug production issues.
- Maintain documentation of software functionality and technical decisions.
Required Skills:
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
- Deep understanding of React.js and state management libraries like Redux or Context API.
- Hands-on experience with Node.js and Express.js.
- Strong knowledge of MongoDB and Mongoose ORM.
- Experience in building and consuming RESTful APIs.
- Familiarity with Git, CI/CD pipelines, Docker, and Cloud Platforms (AWS/GCP/Azure).
- Good understanding of microservices, authentication mechanisms (OAuth, JWT), and role-based access control.
- Experience with unit testing and testing frameworks like Jest, Mocha, or Cypress.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration abilities.
Preferred Qualifications:
- Bachelor’s/Master’s degree in Computer Science or related field.
- Experience with GraphQL or WebSockets.
- Exposure to DevOps practices and tools (e.g., Jenkins, Kubernetes).
- Previous experience in Agile/Scrum environments.
What We Offer:
- Competitive salary and performance-based bonuses
- Flexible working hours and remote work options
- Opportunities for upskilling and certifications
- Collaborative and inclusive team culture
- Health insurance and wellness benefits
We are looking for a skilled Java Developer with expertise in Angular to join our team. In this role, you will be responsible for developing robust, scalable, and high-performance web applications using Java technologies on the backend and Angular framework on the frontend. You will collaborate closely with cross-functional teams to design, develop, and implement innovative solutions that meet our clients' requirements.
Responsibilities:
- Designing, developing, and maintaining backend services and APIs using Java and Spring framework.
- Building responsive and user-friendly web interfaces using Angular framework.
- Integrating backend services with frontend components to deliver seamless user experiences.
- Collaborating with UX/UI designers to implement design specifications and enhance user interactions.
- Writing clean, efficient, and maintainable code following industry best practices and coding standards.
- Conducting code reviews, debugging, and troubleshooting issues to ensure the quality and reliability of the software.
- Working closely with product managers and stakeholders to understand requirements and provide technical solutions.
- Keeping up-to-date with the latest technologies, trends, and best practices in Java and Angular development.
Qualifications:
- Btech/ BE in Computer Science, Engineering, or related field.
- Proven experience as a Java Developer with expertise in building web applications.
- Strong proficiency in Java programming language and Spring framework.
- Extensive experience with Angular framework and modern JavaScript/TypeScript development.
- Solid understanding of frontend technologies such as HTML5, CSS3, and responsive design principles.
- Experience with RESTful API development and integration.
- Knowledge of relational databases (e.g., MySQL, PostgreSQL) and ORM frameworks (e.g., Hibernate).
- Familiarity with version control systems (e.g., Git) and CI/CD pipelines.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration abilities.
Full stack developer (react, node js)
Full stack developer (react, node js)
Full stack developer (react, node js)
Full stack developer (react, node js)
He can develop independetly website.
An ideal candidate has exceptional coding skills, creative candidates should possess exceptional design skills, creative problem-solving mentality, a great sense of aesthetics, and user-centric design principles. The applicant must have an affinity for minimal design, and attention to the smallest details.
Applicants are welcome for role of Senior SDE full stack. Responsibilities and nice to have qualities will purely depend on the resume (so make sure it shows your expertise :)
Responsibilities
* Building scalable tech which will process 1 million+ finance application analytics.
* Accurately translate user and business needs into functional frontend code.
* Build and enhance the core features of the fully restful backend.
* Build and enhance the core features of web and mobile app.
* Track daily analytics KPIs and bugs.
* Convert app design prototype with awesome, fast and user friendly app.
*Technical Knowhow:*
* hands-on experience on : NodeJS,
* hands-on experience Typescript with React/Native framework
* Basic knowledge of ORMs used with relational databases, MySql, Mongo DB, OrientDB or Any Graph DB,
* Basic design patterns.
* An ability to resolve and remove roadblocks to help teams deliver on necessary outcomes, avoid churn and strengthen relationships between individuals and teams
* Git
*Nice to have :*
* Model-View-Controller and Test-Driven Development experience.
* Using AWS and linux.
* Test driven Development and familiarity with Mocha or Chai
* Cloud microservices experience working with the following: CI/CD tools and techniques, Kubernetes, Kafka, Postgres, Elasticsearch and Docker
* Experience building object-oriented web applications in Angular, JavaScript, HTML5, and CSS.
First 2 months
You will be expected to setup and integrate basic tools which will allow the internal teams to function. Examples of projects would be
-Execution of WMS, POS systems and any required integrations
-Setup basic data warehousing / reporting servers to promote data democracy internally.
Post 2 months
You will now be working on creating new tools / Apps which will give our business compounding benefits over time. These could range from B2B, B2C, B2B2C apps, internal enterprise tools. This phase will lay the true foundation of the company’s future tech capabilities.
Required Skillset
Below is an example set of technology skills we expect the candidate to have hands-on experience with. Knowledge of Python is mandatory:
Back-End
• Server-side languages like Python
• Database technologies like MongoDB and Relational Database (MYSQL,
POSTGRES, SQL Server etc.).
• Microservices framework
• Aws services-EC2, SES, S3, SNS
• Additional technologies (Scrapy, Celery)
Mobile Application
• React native
• ES6- java script
• Hybrid app development in (Android/IOS) Preferred (React-Native)
Front-End
• HTML/CSS
• React.js
• JavaScript (ES6, babel)
• NodeJS
• PWA (Progressive Web Application Development)
Role: Senior Full Stack Developer
Skill Set and Competency Required:
- Java/J2EE, Spring, Spring Boot, REST, JSON, Micro Services, 12 Factor Apps, Apache.
- Strong understanding of microservice architecture
- Ability to design, develop and implement scalable, elastic microservice based platforms.
- Demonstrated knowledge of OAuth token-based authentication protocol.
- Demonstrated knowledge of PCI and Security Coding Standards.
- Performs hands on coding using Java/J2EE & unit testing.
- Contribute to the Design and develop high quality software for large scale Java/Spring Batch/Micro-service Applications.
- Proficiency in the following general areas: Java (Java 1. 7/Java 1. 8), Spring Framework, Jenkins, Gradle, and GitHub.
- Experience with RESTful services, Rabbit MQ, JSON, Unix Scripting, and Hadoop is a plus.
- Core development experience in large scale enterprise Java applications using Spring Framework.
- Experience in SQL (DB2 & SQL databases)
- Strong knowledge and experience on Nginx as APIM tool Solid experience in coding and creating APIs.
- Expertise in WSDL, XML, XSLT, JSON, XPATH and Gateway scripts
- Provide front line support for Nginx related problems by being involved in troubleshooting, root cause analysis and appropriate secure integration recommendations.
- Installation of Nginx API Gateway as per need.
- Experience in Containers and Kubernetes.
- Good linux and administration skills
- Experience on API Orchestration/Mediation/Protocol Bindings and transformation knowledge on disparate message structures
- Design, develop and implement API proxies using OpenAPI specification Analysing logs and trace for errors and exceptions Manage and publish content in Developer portal Security implementation using OAUTH, SAML, CORS
- Must Have Knowledge of API development and its technologies.
Location: Remote Working
** Preference will be given to immediate joinee
Responsibilities:
- Design, develop, and maintain software applications.
- Go the extra mile to identify customer needs and pain-points.
- Relentless focus on delivering high quality, bug-free code.
- Help and mentor those around you to achieve the team and company goals.
- Closely work with the SRE and DevOps team to set up microservices infrastructure.
- Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
- Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
- Participate in application design, code reviews and documentation.
Requirements:
- Experience in agile development process.
- Excellent knowledge of HTML5, CSS3.
- Excellent knowledge of JavaScript.
- Experience with cross-browser, cross-platform and design constraints on the web
- Good understanding and experience of working on Vue.js/React.js.
- Prior experience building REST APIs
- Hands-on experience with Node.js/Golang/Java + Redis + Elasticsearch.
- Experience with AWS/GCP is a plus
- Knowledge of version control systems like GIT.
- Experience in developing automated unit and functional tests
- 1+ years of experience with a Bachelor's in Computer Science or related field
Our goal is simple - Provide a new way to do Insurance, which is secure, easy, and focuses on the consumer while staying compliant with the frameworks laid down by the regulator.
Think of us as the one-stop-shop for all your insurance needs without the hassle of having to set-up and manage your own complex insurance infrastructure.
Why Explore a Career with us?
The Insurance ecosystem in India is currently fragmented and distributed. Claims in Insurance are stressful because of the lengthy processes and long wait times before they are settled. We are here to change that and make Insurance Simple.
We know that ours is a lofty vision, but we are in it for the long haul. Our work will give everyone the ability to sell Insurance to their customers and improve the economy. For this - we need co-creators who share our vision. We want to do it together with a team of like-minded people who are in it to reinvent the way we do Insurance and potentially connect the entire ecosystem. We want to grow fast while creating a sustainable business and bring about disruption in an
industry, which in a post-COVID world, needs to be disrupted for the better!
Quick Facts
Founded in: 2019
Number of Employees: 10 - 50 employees
Industries: Banking / Financial / Insurance, Computer Software / IT / Internet
Headquarters: Mumbai
Technology Stack: Java SpringBoot, MongoDB, MySQL, React, AWS
Description
This is a mission-critical role. We are a small, diverse, agile, and high-performance, engineering team. We're looking for versatile developers who will:
Innovate our existing product and work on creating tools that crunch integration times and time to market
Improve through peer-learning and transmit them to the Assurekit dev ecosystem.
Take ownership and get the job done.
We are clear. We need role shapers, not role takers.
Key Responsibilities
You will be responsible for the design, development, and delivery of our web-based application in an agile manner built on Java Spring Boot, React My SQL, and Mongo DB.
You will be expected to write code on a day-to-day basis while testing it on real-world use cases
You will be an independent owner of your feature on the platform.
You will be a part of the core software development team and are expected to participate in all development cycles.
You will be responsible for the closure of business requirements end-to-end by working cross-functionally and will be expected to mentor and drive other members of the team.
Will be developing mobile and web applications using latest technology. Should be good in analysing requirements and translate into applications. Good in understanding application flows.
Tech Skills –
MEAN (MongoDB, Express, Angular/React, Node.js) – Expert level - at least 2-3 full sized projects
Cloud technology – Familiar with using cloud technology (AWS, GCP etc) – Intermediate – Should be able to interact with the services from cloud (e.g. firebase etc)
HTML, CSS, Bootstrap, Java script – Intermediate level - Good understanding of concepts and should be able to realize application screens based on the UI provided by designers
Mobile technology – Hybrid (ionic, Cordova, capacitor, flutter), Native (Android, iOS) – Beginner – Should have understanding of concepts, good with basics









