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Cognizant is seeking a highly skilled Senior Java Full Stack Developer with strong expertise in Core Java, enterprise application development, and modern web technologies. The ideal candidate should possess exceptional analytical and problem-solving abilities, demonstrate strong coding proficiency, and have extensive hands-on experience developing and maintaining enterprise-grade applications using Spring MVC, Hibernate, Oracle, Kafka, and React JS.

The successful candidate will be responsible for designing, developing, optimizing, and supporting mission-critical business applications while collaborating with cross-functional teams in a fast-paced Agile environment.

Key Responsibilities

• Design, develop, enhance, and maintain scalable, high-performance Java-based enterprise applications.

• Analyse complex business requirements and translate them into efficient, maintainable, and scalable technical solutions.

• Write clean, optimized, reusable, and well-documented code following industry best practices and coding standards.

• Troubleshoot, debug, and resolve complex application issues while ensuring system stability and performance.

• Perform code reviews and mentor junior developers to ensure high-quality software delivery.

• Optimize application performance through code refactoring, tuning, and continuous improvement initiatives.

• Develop and maintain RESTful services and backend components.

• Work extensively with Oracle databases, including query optimization and performance tuning.

• Collaborate with business analysts, QA teams, architects, and stakeholders throughout the software development lifecycle.

• Contribute to frontend development using React JS and modern JavaScript frameworks.

• Participate actively in Agile ceremonies including sprint planning, reviews, retrospectives, and daily stand-ups.

Mandatory Technical Skills

Core Java Expertise

• Strong hands-on experience in Core Java development.

• Ability to independently solve complex coding and algorithmic problems.

• Deep understanding of:

o String Handling & Immutability

o Collection Framework

o Concurrency & multi-threading

o Object-Oriented Programming (OOP)

o Exception Handling

o JVM Internals

o Design Patterns

Backend Development

• Spring MVC

• Hibernate / JPA

• REST API Development

• Apache Kafka

• Oracle Database

• SQL, Query Optimization, and Database Performance Tuning

Frontend Development

• React JS

• JavaScript (ES6+)

• HTML5

• CSS3

Essential Competencies

• Strong analytical thinking and problem-solving capabilities.

• Ability to explain technical decisions, trade-offs, and implementation approaches.

• Experience in application debugging, code optimization, and performance tuning.

• Strong communication and stakeholder interaction skills.

Good-to-Have Skills

• Spring Boot

• Microservices Architecture

• AWS Cloud Services

• CI/CD Tools and DevOps Practices

• Agile/Scrum Methodologies

• Containerization technologies such as Docker and Kubernetes

Desired Candidate Profile

• 8–12 years of hands-on software development experience.

• Proven track record of delivering enterprise-scale applications.

• Strong understanding of software engineering principles and best practices.

• Ability to work independently and collaborate effectively within distributed teams.

• Passion for developing high-quality, scalable, and maintainable software solutions.

• Strong ownership mindset with the ability to drive technical discussions and solution design.

Preferred Notice Period: Immediate to 30 Days

1. Understanding of python backend development ,with Django ot flask frame work
2.  Design, build and maintain responsive front-end interfaces for applications
3. Collaborate with the rest of the engineering team to design and launch new features
4. Create REST APIs and integrating them with the frontend
5. Test software to ensure responsiveness and efficiency

Company Overview:

Established on core values of customer centricity and innovation, Ivy Mobility operates on the fundamental belief that best customer journeys are industry specific. Ivys Consumer Products Industry Cloud apps are designed to enable companies to have choices of multiple ways for their route to market. Ivy combines the straightforward intuitive mobility and social aspects of a consumer app with the business process optimization of conventional business applications. Organizations no longer have to choose multiple vendors, now they can have a single integrated solution.

Today Ivy Mobility is proud to have built an ecosystem, from distributor management system to Analytics, to help companies enhance their market share. Global corporations like Proctor & Gamble, GSK, Nestle, to name a few, have trusted Ivy Mobilitys solutions and are already enhancing their sales productivity across their global operations. We are head quartered in Singapore and development centers are in Chennai, Bangalore, Mumbai & Mexico. We have operations in North America, Europe, Asia, the Middle East and Latin America.

Position: .Net L3 Support with React JS

Experience : 3 - 6 years

Location: Remote

Need to work on shifts based on the need (10PM to 7AM)

Mandatory Technical Skill Set

.NET Core

Strong hands-on experience in:

• C#, ASP.NET Core Web Applications, ASP.NET Core REST APIs, LINQ ,

Entity Framework Core

Ability to:

• Debug API and backend issues independently

• Analyse logs and exception traces

• Troubleshoot production defects

• Understand and analyse existing business logic quickly

React.js

Minimum 1 Year of hands-on experience

Ability to independently:

• Work on existing React codebase

• Understand component structure and API flow

• Debug issues without assistance

• Fix UI/API integration issues

• Resolve frontend rendering and functionality defects

Database Skills

Strong knowledge of: SQL query writing, Stored procedures, Data troubleshooting,

Performance analysis basics

Database exposure:

• SQL Server (Preferred)

• PostgreSQL (Value Added)

Who Are We

A research-oriented company with expertise in computer vision and artificial intelligence, at its core, Orbo is a comprehensive platform of AI-based visual enhancement stack. This way, companies can find a suitable product as per their need where deep learning powered technology can automatically improve their Imagery.

ORBO's solutions are helping BFSI, beauty and personal care digital transformation and Ecommerce image retouching industries in multiple ways.

WHY US

• Join top AI company
• Grow with your best companions
• Continuous pursuit of excellence, equality, respect
• Competitive compensation and benefits

You'll be a part of the core team and will be working directly with the founders in building and iterating upon the core products that make camera intelligent and images more informative.

To learn more about how we work, please check out

https://www.orbo.ai/.

Knowledge/Qualifications/ Competency

• Any Graduate – Any Specialization with 3+ yrs of relevant strong object-oriented JavaScript & MVC with analytical/logical thinking & problem solving skills (Object Oriented JS, JQUERY, Angular, NodeJS)

Skills Required

• 2+ years of web application development experience using Javascript
• Experience in Angular / React.js, Node.js, and Express.js/loopback.js
• Deep understanding of RESTful APIs
• Data modelling experience in both relational and NoSQL databases(MongoDB preferred).
• Experience deploying and maintaining a micro-service architecture
• Experience with Microsoft Azure
• Experience with server-less infrastructure paradigms (AWS Lambda, etc).
• Experience building a scalable product is a bonus!

Responsibilities

• You will write reusable, testable, and efficient code
• You will look to optimize applications for performance and scalability.
• You will be building secured backend API's to be consumed by multiple applications (e.g. web and mobile)
• You will constantly be collaborating with a team member and help colleagues
• You will make architectural decisions
• You will use every possible opportunity to share your own professional experience with your team members

Our perfect candidate is someone that:

• is proactive and an independent problem solver
• is a constant learner. We are a fast growing start-up. We want you to grow with us!
• is a team player and good communicator

What We Offer

• You will have fun working with a fast-paced team on a product that can impact the business model of E-commerce and BFSI industries. As the team is small, you will easily be able to see a direct impact of what you build on our customers (Trust us - it is extremely fulfilling!)
• You will be in charge of what you build and be an integral part of the product development process
• Technical and financial growth!

Sound technical exposure in React, Node, API, Java, JPA, Hibernate, Kafka, REST API,

Postgre DB.

• Strong experience in systems design principles.

• Must have strong exposure in PSQL queries and stored procedures.

• Experience in Lending/Fintech domains will be preferable.

• Design, implement and maintain Java-based applications that can be high-volume and

low-latency.

• Familiarity with browser testing and debugging.

• Analyze user requirements to define business objectives.

• Identify and resolve any technical issues arising.

• Develop technical designs for application development.

• Conducting software analysis, programming, testing, and debugging.

• Manage Java and Java EE application development.

• Understanding of strategic handling of technical projects. i.e. adhering to stakeholder

expectations and processes.

Job Description

We are looking for a skilled and ambitious Full-Stack Developer (React/React-Native, PHP, and NodeJs )to join our development team. In this role, you will be responsible for developing and implementing applications using React.js, NodeJS, PHP, and its libraries such as Redux, Redux-Saga, ExpressJs, Laravel. You will also be responsible for profiling and improving performance and documenting the codebase. To ensure success as a Full Stack developer, you should have in-depth knowledge of Javascript (ES6 or above), NodeJS, PHP 7.x, MySQL and its concepts, excellent coding skills, and a good understanding of progressive web applications.

Full Stack Developer Responsibilities:

• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Understand the past code and improve when needed.
• Develop components in a scalar way so, can be used again.
• Developing and implementing front-end + back-end architecture to support user interface concepts.
• Monitoring and improving application performance.
• Documenting application changes and developing updates.

Full Stack Developer Requirements:

• In-depth knowledge of Javascript, CSS, and HTML.
• In-depth knowledge of REACT libraries like Webpack, Redux, Redux-Saga and React Router.
• In-depth knowledge of NodeJs, ExpressJs, PHP, Laravel Framework
• Experience with User interface design and development.
• Experience with browser-based debugging and performance testing software
• Excellent troubleshooting skills.
• Build high-quality user interfaces from design mockups.
• Good project management skills and communication skills
• Collaborate with Product, Design, and other developers to understand requirements.
• Write tests to ensure high-grade code.
• Adhere to code style and code quality standards.
• Provide code review feedback to teammates.
• Good understanding of AWS infrastructure.

• 8 - 11 years of experience in software development with at least 5 years on GUI development
• Experience on Java, HTML, CSS and Java script
• Experience with write SQL or equivalent queries on relational or NoSQL databases e.g. Oracle, PostgreSQL, Couchbase, MongoDB, Cassandra

Full stack developer

Salary: 6-9 LPA

Location: Mumbai

About ZenOnco.io:

https://zenonco.io/">ZenOnco.io is the world’s first integrative oncology healthtech platform. At ZenOnco.io, we aim to extend life and improve the quality of life for cancer patients through integrative oncology treatment, which covers both medical treatment as well as complementary treatment (Nutrition, emotional wellness, fitness, and community support).

To provide the best medical treatment options to cancer patients, we have partnered with 50+ hospitals across India, and cover 1,000+ oncologists. We also provide patients access to a full range of diagnostic tests that are required to arrive at the most effective cancer treatment.

We heavily deploy technology in our operations, and have recently launched the world’s first Integrative Oncology Preliminary Assessment Report tool (ZIOPAR) to guide cancer patients free of cost on the possible treatment options based on their cancer profile, symptoms and other conditions.

We believe in innovation, dedication and commitment. While we have the thrill to seek out and capture the world, we are looking for a responsible partner in you. If you feel you can become one of us, apply today.

Company introduction video: https://bit.ly/ZenOncoIOintroduction">https://bit.ly/ZenOncoIOintroduction

Roles and responsibilities:

• Working on WordPress and CodeIgniter, involving CSS, PHP, JS, jQuery, SQL 
• Designing and implementing new features and functionality
• Establishing and guiding the website’s architecture
• Ensuring high-performance and availability, and managing all technical aspects of the CMS
• Helping formulate an effective, responsive design and turning it into a working theme and plugin
• Convert comprehensive layout and wireframes into working HTML pages
• On-page SEO

Education and Experience:

• Graduate or Post Graduate (Preferred)
• Experience: 3+ years
• Ability to work on WordPress and CodeIgniter
• Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
• Experience building user interfaces for websites and/or web applications
• Experience designing and developing responsive design websites
• Ability to understand CSS changes to ensure consistent style across platforms and browsers
• Strong understanding of PHP back-end development

You will get:

• Some of the best people to work with (founders are IIM graduates and investment banker)
• An opportunity to make a difference in the lives of millions of cancer patients across the globe
• A great learning environment and opportunity to grow