Java Developer

• Job Description below :                                        
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• Required Skill Set
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• Software Engineer/Senior Software Engineer/Lead Engineer-Java            
• Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux 
• Possess good architectural knowledge and be aware of enterprise application design patterns. 
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications. 
• Good development experience with RDBMS 
• Good knowledge of multi-threading and high-volume server side development 
• 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 Brief-                                                                                                

·       Understand product requirements and come up with solution approaches 

·       Build and enhance large scale domain centric applications 

·       Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai 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. - 3 to 8 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: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Hiring For SDE II - Python (Remote)

The Impact you will create:

• Build campaign generation services which can send app notifications at a speed of 10 million a minute

• Dashboards to show Real time key performance indicators to clients

• Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds

• Building highly available & horizontally scalable platform services for ever growing data

• Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability

• Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed

• You will build backend services and APIs to create scalable engineering systems.

• As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.

• You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.

• Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.

• Identify and improvise areas of improvement through data insights and research.

Primary Responsibilities

• End-to-end ownership of product development, from design, through implementation, testing, deployment, and maintenance

• Translating high-level requirements and end-user use cases into design proposals, decomposing complex features into smaller, short-term deliverable tasks

• Maintaining constant focus on scalability, performance and robustness of architecture

• Designing and implementing logging, monitoring and alerting systems for existing and new infrastructure

• Documenting API's and architecture design

• Mentor and guide juniors on their path to become solid developers

   

What we look for?

• 4+ of industry experience in technical leadership roles

• Solid knowledge of Python, SQL, NoSQL, shell scripting and Linux operating environment

• End-to-end experience in design and development of highly scalable enterprise and cloud data products

• Ability to challenge and redefine existing architecture to create robust, scalable and reliable products

• Hands-on experience with design and troubleshooting of scalable web services, queue based systems, distributed databases and streaming services

• Experience with modern DevOps technologies such as kOps, Kubernetes and Docker, CI/CD, monitoring and autoscaling

About the Role

We are looking for a Node Backend Developer to design, develop, and maintain the server-

side logic for our next-generation healthcare platform. You will work closely with cross-

functional teams to build high-performance, scalable, and secure applications that power

seamless experiences for hospitals, insurers, and healthcare professionals. The ideal

candidate has strong Node.js and Express expertise and can contribute to the

development of robust backend systems and APIs.

Responsibilities

Backend Development & API Design

• Design and implement RESTful and GraphQL APIs using Node.js and Express

• Develop microservices architecture for scalable and maintainable backend systems

• Optimize database queries and enhance performance of existing systems

• Write clean, maintainable code following best practices and design patterns

System Integration & Database Management

• Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB)

• Integrate with third-party services and APIs (hospital systems, insurance platforms)

• Implement caching mechanisms and message queues for improved performance

• Design and manage database schemas, migrations, and data models

Security & Compliance

• Ensure adherence to healthcare security standards (HIPAA, GDPR, ABDM, etc.)

• Implement authentication, authorization, and data encryption mechanisms

• Follow secure coding practices and conduct code security reviews

• Address security vulnerabilities and implement fixes

Collaboration & Process Improvement

• Work closely with frontend developers, DevOps engineers, and product managers

• Participate in code reviews, sprint planning, and technical discussions

• Contribute to CI/CD pipelines and deployment automation

• Document APIs, services, and system architecture

Required Skills & Qualifications

• 2+ years of experience in backend development using Node.js

• Strong proficiency with Express.js framework and RESTful API design

• Experience with relational databases (MySQL, PostgreSQL) and SQL

• Knowledge of microservices architecture and containerization (Docker)

• Understanding of version control systems (Git) and CI/CD workflows

• Strong problem-solving abilities and debugging skills

• Excellent communication and collaboration skills

Nice to Have

• Experience with AI/ML integration in backend systems

• Familiarity with healthcare or insurance industry applications

• Knowledge of cloud platforms (AWS, Azure, GCP)

• Experience with NoSQL databases (MongoDB, Cassandra)

• Understanding of event-driven architecture and message queues (Kafka, RabbitMQ)

• Proficiency in additional programming languages (Python, JavaScript)

What You'll Gain

• Opportunity to build scalable solutions for mission-critical healthcare operations

• Work in a fast-paced, innovative environment with cutting-edge technologies

• Exposure to AI-driven healthcare solutions and enterprise integrations

• Growth potential into Senior Backend Developer or Backend Team Lead roles

Roles and Responsibilities:

• Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
• Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
• Transform business and design needs into innovative products.
• Drive all projects to completion within deadlines.
• Perform thorough testing to find issues ahead of time.
• Engineering software needs more precise analysis & coding skillset
• Enhance skillset by working with fortune 500 clients
• Interacting with internal team.

Qualifications :

• B.E in computer science or related fields.
• Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
• Ability to work at the tactical and strategic levels of IT initiatives.
• Impressive hands-on experience in Java, database(Oracle), OOPS, Java Swing, Javafx.
• Self-Motivated, flexible & Innovative.

1. 5-7 years hands-on working experience in Java / Spring / Spring Cloud / Spring Data JPA / Spring Boot Microservices
2. Data processing capability
3. Hands-on working experience with GCP/AWS/Azure
4. Hands-on working experience with Junit, Git, Jenkins, Maven
5. Excellent communication skill
6. Experience on Google cloud data flow would be an added advantage

Java, SpringBoot, Problem Solving skill, Apache Beam, AWS/GCP,

EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.

SKILLS:

- Problem Solving and application of Object Oriented principles to development

- REST API development using Java, JAX-RPC,

- Server side development using Java, Spring Boot, Node.js

- Concurrent programming with Java

- Database programming in SQL with Oracle, MySQL or other RDBMs.

- Deployment to AWS and Kubernetes and building with Maven

- Affinity towards server side development

- Ability to understand existing code and re-engineer/re-factor/redesign.

- Written and spoken English communication and articulation.

NICE TO HAVE:

 - Working knowledge of GO Lang and Python scripting

- AWS Certifications

- Working knowledge of Elastic Search based persistence and search

- Secure coding practices

EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.