React.js Developer

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

About SuperHuman Race

In 2016, we started imagining a world where 'good' is valued and rewarded. Based on this lofty mission of making the world a better place, powered by human kindness, we started looking for our answers in data and technology. At the SuperHuman Race, we take pride in using creativity and data to solve intersections. In working out these solutions, we discover the engineers, the architects, and the authors that live and breathe deep inside the colorful fabric of society. We automate social purposes for organizations and deliver impact-related insights to all of our users. At the core of the SuperHuman Race is the belief that while good work is important and aspiring to make an impact is necessary, it cannot be sustainable unless it is also fun!

Job Summary

We are looking for a Front-End Developer who is passionate about pushing mobile technologies to their limits. You will work with our team of talented engineers to design, build, and enhance the next generation of our mobile applications. This role will give you the opportunity to work on impactful projects while collaborating with cross-functional teams to create secure, scalable, and user-friendly Android solutions.

Key Responsibilities:

1. Translate UI/UX design wireframes into high-quality, responsive code.
2. Develop new user-facing features to enhance the user experience.
3. Ensure cross-browser compatibility and optimize applications for maximum speed and scalability.
4. Integrate front-end components with back-end services and APIs.
5. 
   
6. Maintain and improve existing user interface components.
7. Write well-documented, reusable, and efficient code.
8. Balance functional and aesthetic design for a seamless user journey.
9. Identify and troubleshoot performance bottlenecks and bugs.
10. Ensure design and implementation are aligned with the overall architecture and technical standards.
11. Collaborate closely with designers and developers to ensure smooth integration and delivery.

Qualifications:

1. Bachelor’s degree in Computer Science, Engineering, or a related field.
2. 2+ years of professional experience in front-end development.
3. Strong proficiency in HTML5, CSS3, JavaScript, and jQuery.
4. Experience with Bootstrap and responsive web design principles.
5. Proficiency in Git or other version control systems.
6. Understanding of cross-platform optimization and mobile responsiveness.
7. Familiarity with front-end build tools (Webpack, Gulp, or similar).
8. Experience with front-end frameworks (React, Vue.js, or Angular) is a plus.
9. Basic understanding of PHP and RESTful API integration
10. Familiarity with image editing tools such as Figma, Adobe XD, Photoshop, or Gimp.
11. Strong problem-solving, analytical, and debugging skills.

Preferred Skills:

1. Strong understanding of scalable front-end architecture and reusable components.
2. Experience in performance optimization and accessibility standards.
3. Knowledge of SEO principles and best practices.
4. Familiarity with testing frameworks (Jest, Mocha, Cypress).
5. Attention to detail and an eye for clean, intuitive UI/UX design.
6. Ability to collaborate in a team-oriented, agile environment.
7. 
   

Why Join Us?

• Build purpose-driven digital experiences that create measurable social and environmental impact.
• Work with a talented, mission-driven team across sustainability, tech, and design.
• Exposure to cutting-edge technologies and international projects.
• 5 Days Working.
• Informal Dress Code.
• Paid Time Off and Work-from-Home Flexibility (as required).

How to apply?

Send your resume and portfolio (if available) with a brief overview of your work, current CTC & Notice Period details to arman at mysuperhumanrace . com

Subject: Application for Full Stack Developer

At SHR, we believe in meritocracy and are proud of the diverse team we have built. We welcome talent from all regions, geographies, languages, backgrounds, cultures, genders, and age groups in our attempt to accelerate progress and deliver on our shared goals of sustainability & equity.

Profile: MERN Stack Developer

📍 Location: Andheri East, Mumbai

🏤 Work Mode: 5 Days WFO

⏰ Experience: 2+ Years

(Only immediate joiners & candidates who have completed notice period)

What We're Looking For:

✅ 2+ years of MERN stack development experience

✅ MongoDB - database design and complex queries

✅ Express.js - server-side application development

✅ React.js - component-based UI development

✅ Node.js - backend JavaScript runtime

✅ Kafka - event streaming and messaging

✅ Docker - containerization and deployment

✅ Redis - caching and session management

✅ RESTful API design and integration

Job Description:

Responsible for designing, developing, and maintaining full-fledged software platforms that can function independently without relying on third-party applications. Work on both the front-end and back-end development processes, using a range of technologies and languages such as Java, Springboot, microservices, cloud with Angular or react.

Essential functions:

• Strategic Architectural Design Lead the design and development of complex, enterprise-level software systems.
• Evaluate emerging technologies and recommend optimal architectural patterns.
• Ensure software solutions align with business requirements and long-term goals.
• Technical Leadership Mentor and guide junior developers on best practices and coding standards.
• Collaborate with cross-functional teams to coordinate development efforts.
• Make data-driven decisions to optimize system performance and scalability.
• FullStack Development Hands-on coding and implementation of front-end, back-end, and database components.
• Develop robust APIs, microservices, and cloud-native applications.
• Implement security measures and ensure compliance with industry standards.
• Continuous Improvement Identify opportunities to refactor and modernize existing systems.
• Automate deployment pipelines and streamline DevOps processes.
• Conduct code reviews and provide constructive feedback to the team.
• Knowledge Sharing Document technical specifications, design patterns, and implementation details.
• Conduct training sessions and workshops to upskill the development team.
• Stay-up-dated on the latest Java ecosystem and share industry insights.

Qualifications/ Experience & Skills:

• Computer engineering/ Computer Science OR equivalent degree.
• 10-15 Years of total experience.
• As an experienced Full Stack Architect, individuals would be responsible for driving the technical vision, leading the development team, and ensuring the delivery of high-quality, scalable software solutions that meet business objectives.
• Notice period: immediate - 30 days would be preferred.

Would be a plus :

• Experience in Enterprise architecture

Job Description – Lead Full Stack (Javascript) Engineer 

 About Freespace* (a.k.a. Workplace Fabric)  

Workplace Fabric develops solutions that makes workplaces intelligent. Our solutions help increase productivity of office workers while helping to lower the cost of real estate. Our Flagship 

product Freespace is installed in over 40 cities around the world and serves over 30,000 people every day. Starting with the first deployment in March 2016 we have rapidly grown with our solution being rolled out globally while continuing to stay cash positive. With successes at several blue-chip clients Workplace Fabric has carved a unique leadership position in workplace management and employee engagement SaaS solutions. 

*To find out more, follow us on social media – LinkedIn & Facebook @ workplace-fabric 

What is on our offer?  

• An absolutely action packed, fun, and demanding workplace lets our employees to thrive in a team-based environment with passion, fun, pride and teamwork as our core values. 
• We can offer you career opportunities to challenge, develop and exceed your aspirations with training and development throughout your career. 
• Life is never dull at Freespace as there is always something to learn, constantly pushing you to develop your skills and take on the next exciting challenge. 

 Profile Brief:  

You will be an experienced Full Stack Javascript Engineer with an interest in data and analytics, developing our fast growing Analytics Team. Working closely as an active team member, having ownership & accountability to develop analytics stories, in delivering timely projects through Scrum. Working with product owners and team leads to clarifying requirements, challenge assumptions in order to ensure successful executions and push the client analytics to its best.  

Key Skills and Experience  

Required Skills: JavaScript (ES6+), SQL, Nodejs, React 

Good to have: AWS (Lambda, Athena, S3) & AWS Certification, TypeScript, IoT, amCharts, D3.js (or industry equivalent) 

Experience: 6-10 years  

• Data processing and manipulation expert 
• Able to easily comprehend and write complex & efficient SQL queries  

• Ability to understand, design and fully document end-to-end scalable IoT systems 
• Expert in in building Well-Architected solutions using AWS Services (eg Lambda, Athena, S3 etc) 
• Experience in developing frontend analytics dashboards using .js charts 
• Hands-on and well-versed with at least one of React (preferred), Angular or Vue  
• Master in JavaScript with excellent understanding of asynchronous patterns  

• Comfortable with of ES6+, TypeScript & emerging web technologies  
• Experience of building REST APIs with Spring Boot & Express  
• Hands-on programmer 

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Key Behaviours  

• Be passionate about understanding the business problem and using data to tell the stories in delivering solutions which drive client decisions. 
• Lead by example by demonstrating best practice and mentoring of team members 
• Clear thinker with a systematic problem-solving approach, breaking the problem down into simple achievable and realistically estimated steps 
• Seeing a project through from conception into production and support ensuring quality throughout. 

• Ensure high standards by instilling  data quality checks, code reviews and documentation in work and team practices. 
• Able to challenge solutions and processes in creating the best products and environment to work. 
• Unafraid to own mistakes  
• Customer focussed 

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.

Responsibilities

• Develop quality software and web applications
• Analyze and maintain existing software applications
• Design highly scalable, testable code
• Discover and fix programming bugs

Qualifications

• Bachelor's degree or equivalent experience in Computer Science or related field
• Development experience with programming languages Python, Javascript, NodeJS
• At least 2-3 years of experience in Python and React
• SQL database or relational database skills
• Strong understanding of the software development cycle
• Self-motivation and the ability to work under minimal supervision are a must
• Excellent oral and written communication skills to interact with all levels in the organization