Senior React Native 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.

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

You will leverage your technical expertise to drive the development of our website, property manager tools.

What are we looking for?

• 2+ years of experience
• Excellent in cross-browser web development using Python/Django.
• Really good understanding of HTML, CSS, Jquery
• Strong database concepts 
• Experience with DevOps practices and platforms (AWS, Fabric, Apache/Linux etc)
• Really good UX/UI sense
• Experience with caching technologies, NoSql databases
• Leadership skills, ability to handle, mentor junior developers
• Prior startup experience is a plus

What you will be doing?

• Develop high-volume, low-latency global products
• Take ownership of all web based product feature enhancements
• Ability to work on multiple projects at a time
• Work with product/design team to come up with an awesome product design/workflow
• Write well designed, testable, efficient, reusable code. 
• Investigate and present technology solutions and contribute to architectural improvements
• Mentor/Lead junior developers

We are looking for a Highly skilled Java Developer

Required Skills :

• Strong core Java skills and development experience.
• Proficiency in API design and development for RESTful and GraphQL services.
• Strong knowledge of Java frameworks, particularly Spring.
• Experience with Java 8 features.
• Familiarity with Timeseries, SQL, and NoSQL databases.
• Basic understanding of AWS.
• Experience with agile development methodologies.
• Proficiency in Git for version control.
• Understanding of Java application development and data management.
• Familiarity with CI/CD pipelines, Docker, and Kubernetes.

*Immediate Joiners preffered

Regards,

Ramya

Roles and Responsibilities:

·         Design and implement scalable web applications and platforms using technologies such as Typescript, NestJS, Angular, NodeJS, ExpressJS, TypeORM, and Postgres

·         Good understanding of web and REST API design patterns

·         Experience with AWS technologies such as EKS, ECS, ECR, Fargate, EC2, Lambda, ALB will be an added advantage

·         Hands-on experience with unit test frameworks like Jest

·         Good working knowledge of JIRA, Confluence, Git

·         Basic knowledge of Kubernetes and Terraform for infrastructure as code

·         Basic knowledge of Docker compose and Docker

·         Strong understanding of microservices architecture and ability to implement components independently

·         Proven track record of problem-solving skills

·         Excellent communication skills

Description of Skills/abilities:

We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities:

1. Writing reusable, testable, and efficient code.
2. Design and implementation of low-latency, high-availability, and performant applications.
3. Integration of user-facing elements developed by front-end developers with server side logic.
4. Implementation of security and data protection.
5. Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design thinking.
6. Experience working on Agile Scrum and DevOps aligned delivery teams.
7. Interest and ability to learn other coding languages as needed.
8. Strong communication skills and great product sense.
9. Proficient communication skills verbal and written.
10. Understanding of accessibility and security compliance depending on the specific project.
11. Knowledge of user authentication and authorization between multiple systems, servers, and environments.
12. Understanding of fundamental design principles behind a scalable application.
13. Familiarity with event-driven programming in Python, using of Pycham.
14. Understanding of the differences between multiple deliveries platforms, such as mobile vs desktop, and optimizing output to match the specific platform.
15. Able to create database schemas that represent and support business processes.
16. Strong unit test and debugging skills.

Skills:

1. Expert in Python, with knowledge in Python web framework such as Django, Flask depending on technology stack.
2. Familiarity with some ORM (Object Relational Mapper) libraries.
3. Able to integrate multiple data sources and databases into one system.
4. Understanding of the threading limitations of Python, and multi-process architecture.
5. Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology stack.
6. Basic understanding of front-end technologies, such as JavaScript, Typescript, react, react hooks, HTML5, and CSS3.
7. Proficient understanding of code versioning tools such as Git, Mercurial or SVN.

Skill Set:

1. 4+Years Full stack Python Developer - exposure to web frameworks like Django, Flask and Falcon.
2. Experience building APIs for a rapidly iterating product and restful APIs and development of services layer using Pythons Flask framework and should be proficient in writing unit test cases using Pytest package.
3. Database level programming using both SQL (MySQL, PostgreSQL, Oracle) and No SQL (Mongo DB/Casandra) and designing the database level stored procedures and persistence logic.
4. HTML/CSS/JavaScript and JavaScript framework and knowledge on React JS is a plus.
5. Experience in developing Arduino libraries is an added advantage.
6. Experience working with two or more from the following: Web Application development, Unix/Linux environments, mobile application development, distributed and parallel systems, machine learning, information retrieval, natural language processing, networking, developing large software systems, and/or security software development

Required skills:

1. Backend: Core Java, Spring Boot, Microservices, Hibernate/JPA, Data Structure and Algorithms, and Restful Web Services
2. Front end : HTML, CSS, JavaScript, jQuery, Vue.JS,  NuxtJS ,Vue-router, Vuex 
3. Database : MySQL
4. Version Control Tool: Git
5. Cloud Service: AWS

Job Description:

• Commercial experience using the Full stack Java Development
• Should be strong on basics of core Java - Basic Oops concepts, String, Collections, Exceptions, Interface, Inheritance
• Spring Family - Spring Boot, Spring Core
• Experience in creating Microservice using REST & Spring Boot
• Should be familiar with UI HTML, CSS, JavaScript, Vue.JS framework
• Hands-on experience on Oracle or SQL Server database
• Knowledgeable in AWS
• Agile Experience: Should be able to understand Scrum ceremonies and able to demonstrate experience in Agile

What you will get:

1. To be a part of the Core-Team 💪
2. A Chunk of ESOPs 🚀
3. Creating High Impact by Solving a Problem at Large (No one in the World has a similar product) 💥
4. High Growth Work Environment ⚙️

What we are looking for:

1. An 'Exceptional Executioner' -> Leader -> Create an Impact & Value 💰
2. Ability to take Ownership of your work
3. Past experience in leading a team

Requirements:

1. Bachelor's degree or higher in Computer Science or in any related engineering discipline.
2. (2-4) years of experience in building scalable web applications.
3. Backend Maverick with proficiency in Java
4. Experience in requirement analysis, failure analysis, API design, distributed
5. Experience with React.js and modern JavaScript libraries and tooling.
6. consistency
7. Deep understanding of the "behind-the-scenes" of HTML rendering, CSS, and Javascript.
8. Ability to troubleshoot complex systems problems, debug, and find root causes.
9. Ability to effectively articulate and drive solutions to meet technical and business challenges
10. Excellent verbal and written communication skills