


We're Hiring - Java Full Stack Developer !
Job Details:
Location: Bangalore, Mumbai, Pune
Role: Java Full stack Developer
Experience: 5 to 10 Years
Notice Period: Immediate to 15 Days
Work Mode: Hybrid
Skills Required:
Strong knowledge of Java, Core Java, SQL
Expertise in Spring Boot, Angular/ React
Proficiency in OOPS, Design Patterns, Data Structures, and Algorithms
Experience with Multithreading and Microservices
Good experience in cloud platform, AWS preferred.
Experience with RESTful services and APIs

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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Looking for a candidate who can join us immediately and would like to hire a individual contributor and also can adapt as a team-player.
What we are looking for:
- Hands-on experience with key development technologies including Java, J2E, Springboot, React, HTML/CSS/Javascript. Others such as Python, Angular would be beneficial.
- Knowledge of databases, integration architectures/patterns and data modelling essential.
- API best practices, application servers, cloud services (especially AWS) and code quality/secure development all essential. Generative AI knowledge is a must.
- Experience of DevOps, CI/CD and source control tools and best practices required.
- Able to work collaboratively to create POCs and provide technical recommendations for solutions to problems with supporting evidence.
- Excellent written and verbal communication skills needed to effectively collaborate with cross functional teams.
- Prior experience with SCRUM/Agile methodologies with enterprise-level application development projects with the Ability to balance business priorities with technical requirements and manage multiple tasks under tight deadlines.
Responsibilities:
- Be a strong individual contributor in all aspects of software development lifecycle following agile methodologies (Analyze, design, develop, test, debug, and deploy phases of development projects) to deliver high quality solutions that meet business requirements.
- Experience in working with multiple application environments, and support business continuity across multiple geographic regions inclusive of Implementing DevOps culture, and use of tools to ensure Continuous Integration and Continuous Delivery for application deployment and adhering to S&P security requirements for vulnerability remediation.
- Perform reviews and integration testing to assure code quality and security standards are met.
- Support the user base, assisting with tracking down issues and analyzing feedback to identify product improvements; Gather information and feedback from end users to understand and develop project requirements.
- Understand and commit to the culture of S&P Global: the vision, purpose, and values of the organization.


**Responsibilities:**
- Lead the backend development team, providing mentorship and guidance to junior developers.
- Design, develop, and maintain robust backend systems using Node.js and NestJS with TypeScript.
- Implement event sourcing and message queue solutions using technologies such as Kafka or RabbitMQ.
- Utilize strong PostgreSQL knowledge to design, optimize, and manage databases effectively.
- Implement DevOps practices and tools to ensure continuous integration and delivery (CI/CD), containerization with Docker, and orchestration with Kubernetes.
- Collaborate closely with frontend developers to integrate backend services with user interfaces seamlessly.
- Lead and contribute to architectural discussions and decisions to ensure scalability, reliability, and performance of our systems.
- Troubleshoot and resolve technical issues promptly, demonstrating strong analytical and problem-solving skills.
**Requirements:**
- Bachelors or Masters degree in Computer Science, Engineering, or a related field.
- 5+ years of experience in software development, with a significant focus on backend technologies.
- Proven leadership experience as a team lead or senior developer, with a track record of mentoring junior developers and leading successful projects.
- Profound expertise in Node.js and NestJS with TypeScript.
- Experience with event sourcing and message queues (e.g., Kafka, RabbitMQ).
- Strong knowledge of PostgreSQL, including database design, optimization, and management.
- Solid understanding of DevOps practices and tools (CI/CD, Docker, Kubernetes, AWS/GCP/Azure).
- Ability to collaborate effectively with cross-functional teams, including frontend developers.
- Strong analytical skills and problem-solving abilities.
- Excellent communication and leadership skills.


Roles and Responsibilities
- Develop, test, implement and maintain application software
- Take part in software and architectural development activities
- Conduct software analysis, programming, testing and debugging
- Identifying production and non-production application issues
- Ensure designs are in compliance with specifications.
- Recommend changes to improve established java application processes
- Develop modular and testable unit of code
- Collaborates with other members of the software development team
- Works well independently and has solid time management, prioritization, and organization skills.
Key Skills and Experience
- Knows core Java skills and is familiar with Java build tools like Mavan etc, EE components, testing tools, JAVA Object Oriented Programming
- Experience in the Spring, Spring Boot, and Hibernate, Maven build tool
- Excellent knowledge of Relational Databases, SQL, MySQL and ORM technologies (JPA2, Hibernate).
- Knowledge of developing REST API.
- Experience with test-driven development.
- Identifying risk and conducting mitigation action planning.
- Results oriented and focused on meeting deliverable timelines.
- Good communication skills, Problem-solving attitude
- Ability to establish priorities
- Teamwork and willingness to listen to others
- Eagerness to learn new ideas, concepts, and technologies.
- Designing and deploying database
- Ensuring the entire stack is designed and built for speed and scalability
- Designing and constructing REST API
- Mentoring other developers of the team with code and design reviews
What you need to have:
- Strong proficiency Primary Stack (Golang, Node.Js, Express, ES6, Docker, AWS, PHP, Laravel, Microservices, Rest APIs)
- Strong proficiency in Database tools (MongoDB, Mongoose, MySQL, Postgres, Eloquent, Sequelize, DynamoDB, Lucid Models, PDO, Redis, Memcached, GraphQL)
- Experience implementing testing platforms and unit tests Proficiency with Git
- Proficiency in tools (Ajax, Axios, TDD, OOP, MVC, jQuery, npm, Webpack, Guzzle, Git, HTML, CSS, Linux, Kubernetes,SVN, Blade, Ubuntu, PHPunit, jest, JIRA)
- Strong proficiency in AWS, or similar environments (Microservices, Docker, AWS, Lambda, S3 bucket, SQS).


Roles and Responsibilities:
-
Work with development teams and product managers to ideate software solutions
-
Develop and manage well-functioning databases and applications
-
Write effective APIs
-
Test software to ensure responsiveness and efficiency
-
Troubleshoot, debug and upgrade software
-
Create security and data protection settings
-
Write technical documentation
Requirements and skills
-
Proven experience in Software Development
-
Experience developing web applications
-
Knowledge and Understanding of programming languages(e.g. Java, Python, C, C++) and Understanding JavaScript frameworks (e.g. React, Node.js)
-
Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache)
-
Excellent communication and teamwork skills
-
Great attention to detail


Design, build and configure applications to meet business process and application requirements.
Must have Skills :
Good to Have Skills :
Core Java, Rest API
Job Requirements :
Key Responsibilities :
Technical Experience :
A:Having strong experience in Core Java, React js B:Understanding of relational Oracle, SQL Server and NoSQL DBs Mongo or Cassandra C:Exposure on Cloud integration and Container services D:Clear concepts on HTML5, CSS3, JavaScript, JQuery D:Prior financial/banking experience is highly desirable
Professional Attributes :
A:Have very strong communication interpersonal skills able to interact with all levels in the organization B:Strong team player who takes initiative, well organized, structured C:Ability to work in a fast-paced environment adhere to strict deadlines D:Flexible, adaptable


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)
Seeking an experience Java / J2EE senior developer / technical lead to join a highly skilled team of senior developers within NLP Automation & Machine Learning Technology Group and help us continue to build our Cognitive Automation product. The role is not just about software development, it is also about the design and architecture of our proprietary product and its implementation across the finest financial firms globally.
This is a senior position reporting to the Vice President of the company. As the lead engineer you will be directly responsible for the design and architecture of all software development.
The codebase is less than 36 months old, there's lots of new development and improvements to be made. Working across the full development life cycle from stakeholder liaison through to delivery you will make the technical decisions, set the standards and drive quality.
Candidate should be self-motivated, energetic, driven and looking to build a career in a fast-paced market environment at one of the leading - domain-tech- firms.
We embrace diversity, ideas and intellect and above all to be fair, honest, open and transparent. We embrace tough technical and intellectual challenges, we solve the hard problems and bring incredible value to our customers, employees and shareholders.
Role
- Lead software engineering projects and create the development and delivery of enhanced software solutions
- Develop overall technical plan and create architecture proposals based on identified solution gaps. As recognised subject matter expert, lead planning, design and implementation of technical solutions
- Create solution definition and solution architecture. Assist Management in Business Case Development and Scenario Planning leading to an effective decision-making process
- Engage with key stake holders, internal and external, to understand user requirements
- Take ownership and accountability for the deliverable s in all phases of the development life cycle
- Build a future ready product and team
- Become redundant!
If your background resonates with the below, then do reach out to us!
- 6+ years of development / technical expertise (experience is indicative only)
- Hands-on experience with Advanced Core Java Technologies incl., multi threading, distributed caching, & fault-tolerant logic
- Strong experience with real-time, low-latency, high-throughput, distributed and scalable systems
- Understanding and experience using continuous build tools like Maven / Jenkins / GIT
- Experience with web technologies like Servlets, Spring and Struts
- Experience using latest frameworks like Spring MVC, Spring Boot, Spring Rest
- Experience with SQL on any of the RDBMS - Oracle, PostgreSQL, My SQL
- Experience with any of the ORM frameworks - Hibernate/iBatis, JDBC, JPA
- Experience with Web Services development - SOAP, REST
- Exposure to JMS - IBM MQ or Active MQ is good to have
- Exposure to performance testing using JMeter is good to have
- Use of code repository tools like SVN, GIT
- Exposure to any of the build and deployment tools - ant, gradle, maven
- Understanding coding practices, code quality and code coverage
- Experience with Agile practices
Regards
Pooja

