React.js Developer

Experience: 5+ years

Location: Mumbai - Andheri Marol

Company: Wissen Technology

Website: www.wissen.com

Job Description:

Wissen Technology is currently hiring experienced Full Stack Java Developers with strong expertise in Core Java, Spring Boot, front-end technologies (Angular/React), REST APIs, multithreading, data structures, and SQL.

You will be working on enterprise-grade solutions as part of a global development team tackling complex problems in domains like Banking and Finance.

This is an excellent opportunity to be part of a high-caliber, technically strong team delivering impactful solutions for Fortune 500 companies.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications with a focus on both backend (Java/Spring Boot) and frontend (Angular/React).
• Participate in all phases of the development lifecycle – design, coding, testing, deployment, and maintenance.
• Work closely with cross-functional teams to understand requirements and deliver quality solutions.
• Optimize application performance and ensure responsiveness across platforms.
• Write clean, maintainable, and well-documented code.

Required Skills:

• 5+ years of hands-on experience in Java, Spring Boot.
• Strong proficiency in frontend frameworks like Angular or React.
• Experience with RESTful APIs, microservices, and web technologies (HTML, CSS, JavaScript).
• Sound knowledge of data structures, algorithms, and multithreading.
• Experience in developing and deploying enterprise-grade applications.
• Solid understanding of RDBMS (e.g., Oracle, MySQL, PostgreSQL).
• Exposure to DevOps practices, version control (Git), and CI/CD pipelines.
• Familiarity with Unix/Linux environments.
• Strong problem-solving, communication, and analytical skills.

Good to Have:

• Exposure to cloud platforms like AWS, Azure, or GCP.
• Understanding of containerization using Docker/Kubernetes.
• Knowledge of Agile methodologies.

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.

About the Role

We’re looking for a skilled Full Stack Developer with around 2 years of hands-on experience in building and deploying modern web applications. You’ll work closely with cross-functional teams to develop scalable solutions using the latest technologies.

Key Responsibilities

• Develop, test, and deploy responsive web applications using modern frameworks.
• Collaborate with designers to turn UI/UX concepts into functional products.
• Build and integrate RESTful APIs and backend services.
• Write clean, maintainable, and efficient code.
• Debug, optimize, and improve application performance.
• Manage containerized deployments and CI/CD workflows.

Required Skills

• Must be a B.Tech graduate. (Computer science or IT )
• Only Pune Candidate Preferred. 
• Strong proficiency in JavaScript, TypeScript, React.js, and Node.js.
• Experience with Express.js, MongoDB / MySQL, and REST APIs.
• Hands-on experience with Docker and cloud platforms (AWS, Azure or GCP).
• Familiarity with Git, CI/CD pipelines, and basic DevOps practices.
• Working knowledge of Next.js is a plus.
• Excellent problem-solving and communication skills.
• Immediate joiner Preffered.  

Nice to Have

• Exposure to React Native or mobile app development.
• Exposure to GraphQL
• Experience with cloud infrastructure automation or serverless deployments.
• Prior experience working in IT services or client delivery projects.

Perks

• Hybrid work model (2–3 days in office, Pune)
• Exposure to global client projects
• Collaborative, fast-paced learning environment

Note: WE USE AN ATS, SO PLEASE MAKE YOUR CV CLEAR, WELL-STRUCTURED, AND INCLUDE RELEVANT SKILLS TO IMPROVE YOUR CHANCES OF BEING SHORTLISTED.

Bookeventz is looking for a rock star coder to work closely with the founders to build on our core platform and mobile applications. A Techie who has an Expert understanding of Server Logics, REST APIs and core web technologies.

Should have a great understanding of MEAN/MERN Stack.

Our Tech Stack:

PHP, MySql, CodeIgniter, React.js, Node.js, ExpressJS, React Native, Javascript, HTML5, CSS3, REST API, AWS Server Management (RDS, Lambda, API Gateway), Ubuntu, Git, CI/CD Good To have: Python, Payment Gateway.

Few Challenges we are working on right now:

- Working on various optimization to improve page speed.

- Improving Server Response & Load balancing.

- Server-side development on various projects.

- Customized CRM to increase leads handled per salesperson to double a day.

- Create a platform for users to create their custom event website.

Job Objectives:

- Integration of user- facing elements developed by front- end developers with server- side logic

- Optimize web applications to maximize speed and scale. Support diverse clients from high- powered desktop computers to small mobile devices

- Optimization of the application for maximum speed and scalability

- Implementation of security and data protection

- Collaborate with senior management, operations & business team

- Building Rest APIs and maintain Database optimizations

Looking For:

- Great understanding of Node, react, Express, Socket.io, MVVM framework

- Worked on e- commerce website, server handling and deployments scripts

- The one who has worked on customer facing product for 2 years

- Strong knowledge of MEAN stack (Min 3 yrs professional working experience) with basic understanding of LAMP.

- Experience designing scalable, fault tolerant systems and databases.

Principal Software Engineer

Opportunity in this role / Why should you join here?

You will enjoy working with us if you are looking to work in a stimulating, flexible, open environment. You will experience ownership and independence at the same time providing technical solutions that work.

You will be part of the madness and thrill of growing the business from scratch. You get to make decisions, fail fast and learn fast. You get to contribute, add value to the organization by thinking like an entrepreneur. You are supported by the best talent in the industry and work with creative teams. You are rewarded as you go on proving yourself.

Requirements:

• Bachelor's degree in Computer Engineering/Computer Science or related field
• At least 6+ years of experience with at least 4 years of software application design experience
• Strong analytical and problem solving skills
• A full stack generalist with experience in both front-end and back-end technologies
• Proven experience in high-level programming languages, like Java and Development of scalable Web Applications and Web Services
• Experience in JavaScript frameworks like Angular, React, NodeJS
• Passion for delivering products end-to-end, from ideation to implementation
• Proven experience building complex web applications and micro services
• Strong experience with Spring Boot stack (spring cloud, spring-data)
• Extensive experience in developing and consuming REST APIs
• Experience in PHP is a plus advantage

Responsibilities:

• Participate in design reviews and recommend improvements
• Provide technical guidance in software design and development activities
• Recommend new technologies to ensure quality and improve productivity
• Support in all phases of SDLC and ensure delivery of high-quality products
• Analyse business requirements and design/develop most effective technical solution
• Analyse and troubleshoot application issues in a timely fashion
• Work with other engineers in planning, prioritising and executing assigned tasks within deadlines

x• Work with QA team in preparing test cases and assist in automation

• Mentor other Engineers as and when required
• Assist in maintenances and upgrades of existing software applications
• Assist in risk assessment and mitigation activities.
• Assist in technical audits and make sure to implement audit recommendations.

FULL STACK DEVELOPER

Responsibilities

• Develop interactive, user-friendly applications using the latest frameworks

• Deliver across the entire application life cycle in the stages of concept, design, build, deployment, test, and release to app stores and support.

• Collaborate with product owners and designers to translate product requirements and designs into reality

• Own and develop feature sets that involve responsive UIs and restful services to ensure a seamless user experience.

• Interact with the product, engineering, and business teams across geographies to leverage their expertise and contribute efficiently.

• Ensure that all components and the overall application are robust and easy to maintain.

• Continuously optimize and improve the application performance

• Proactively acquire knowledge of the latest industry trends and best practices in mobile technologies to implement them and educate the teams to increase the effectiveness of technology solutions.

Requirements

• B.Tech/ B.S. or M.Tech/ M.S. or equivalent in Computer Science, IT, or related field

• 2-6 years of experience

Mandatory Skills

• 2+ years of experience designing and building production-level web applications including:

• Programming knowledge in JavaScript, NodeJS

• Good knowledge in developing front-end software, with deep experience in one or more relevant

front-end frameworks (ReactJs, Angular, Vue etc.).

• Expertise in Web/mobile app development using React Native

• Experience in product development on mobile platforms using React Native

• Familiar in developing backend (JS/Node/C#).

• Basic understanding of RDBMS databases

• Working knowledge of design patterns, SOLID principles, and development best practices. Ability to

independently write code and unit test cases

• Mastery of standard frontend technologies like modern HTML, CSS, JavaScript (we use React,

Redux, Webpack, NodeJS etc.), REST, and JSON.

Desirable Skills

• ES6/7, Node, package management /webpack/parcel.

• Exposure to data modeling with any of the database technologies.

• Full stack understanding of web/mobile/API/database development concepts and patterns.

• Experience in DevOps would be a plus.

• Experience in TypeScript would be a plus.

• Excitement about the latest trends in application design

• Own and implement features used by large customers like Truecaller, Mozilla, Zomato, Netflix, etc.
• Performance, Security and Usability goals are in DNA.
• Full ownership and accountability of Microservices which includes day-to-day operations and maintenance.
• Business and technical Metric definitions and reviews.
• Drive CI & CD Evaluate technologies and development stacks for API-based platform which scales to 100,000 transactions per second.
• Perform push-button deployments of any version of the software to any environment on demand.
• Design and build web apps that are scalable and puts user experience front and center.
• Develop modular UI components for company-wide reuse.
• Evolve a common design language for UI across apps.
• Establish and advocate front-end coding guidelines.
• Meld UX and great-looking UI while keeping excellent code quality.
• Own end-to-end life cycle of the product from requirement analysis, design, development, test, release, and maintenance.
• Develop reusable tools/libraries
• Identify opportunities for automation and collaboration points.
• Continuously improve cycle time, throughput, and code quality.
• Continuously improve value-adding-activities/non-value-adding activities ratio.

• 4 - 6 years of experience in large-scale distributed systems.
• Proficient in Python/Golang/Java/ http://node.js/">Node.js 
• Understanding of CSS, Advanced Javascript, http://vue.js/">Vue.js, http://react.js/">React.js, and other web technologies.
• Understanding of Rest based API Architecture
• Writing high-performance, reliable and maintainable code.  
• Excellent microservices pattern understanding.  
• Ability to define cross-core contracts and bring them to closure through collaboration.
• Good knowledge of database structures, theories, principles, and practices.  
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
• Analytical and problem-solving skills  
• Good aptitude in multi-threading and concurrency concepts.  
• Working knowledge of Git and proficiency with at least one build server: Jenkins/Travis/Bamboo.
• Good to have a telecom background

Job Description: -

Comm-IT is seeking an enthusiastic Web Developer to help our fast-growing development team in India. You will play an important role and be a part of creating a product used by millions of people.

Responsibilities: -

• Design and build advanced web applications / products for desktop browsers, mobile web & feature phone.
• You work in agile cross-functional team to create great customer experiences and implement high quality code into production.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• You prioritize performance in all your development - both network and rendering

Requirements: -

• Minimum of 6 months - 1 year of experience in software development.
• This project requires full stack experience creating applications and products using .Net and C# development, HTML 5, jQuery library and CSS3.
• Strong Web backend knowledge in Asp.Net Web API, Razer pages, .Net Entity Framework and MS SQL scripting.
• Experience developing REST-based APIs.
• Knowledge in TypeScript / JavaScript front-end back-end development experience
• Knowledge in CSS & layout skills – modern Bootstrap, CSS layout techniques
• Good understanding of object-oriented programming and its implementation
• Interest working in Cloud-based technologies.
• Confidence to work as part of a Scrum Team.
• Desire to learn new

Nice to have (Add-On): -

• Knowledge of multiple back-end languages (e.g., C#, Java, Python) and JavaScript frameworks (e.g., Angular, React, Node.js, Blazor Framework)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g., Apache) and UI/UX design
• Experience creating automated unit tests and functional test.

Full Stack Developer for a leading E-Commerce MNC
Job Responsibilities :

- Developing new user-facing features using React.js. 

- Building reusable components and front-end libraries for future use. 

- Translating designs and wireframes into high-quality code. Skills 

- Strong proficiency in JavaScript, ES6 and it's newer specifications 

- Thorough understanding of React.js and its core principles 

- Experience with popular React.js workflows (such as Redux) 

- Familiarity with RESTful APIs

- Experience working with preprocessing stylesheet language (LESS)

- Experience with common front-end development tools such as NPM, etc.

- Familiarity with GIT version control system. 

- Ability to understand business requirements and translate them into technical requirements