Senior Full Stack Developer (SDE-3) mobile 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.

What you’ll get:

• Career growth. With market-leading training and an unwavering commitment to owning your career plan, you can grow your career to new heights. • Real rewards. We offer competitive and transparent pay practices, top-of-the-range wellbeing programs, and brilliant opt-in benefits. Because we believe companies should offer more than just a salary. • Meaningful purpose. Our products and solutions have real-life impact on people and organizations across the globe. Our innovations make a difference. • Life flexibility. We want you to bring your best self to work every day. We understand that you can only do that with quality time to care for yourself, your loved ones and your community. • An inspiring culture. Find yourself surrounded by leaders that care, invested teammates, and like-minded groups where you’ll feel at home. • Industry leadership. Play your part in a fast-growing organization known for excellence, profitability, and stability.

What you’ll do:

• Work alongside Software Engineers to develop cool new features and enhancements in our platform services space that will delight our customers • Participate in elaboration and design sessions to understand and refine requirements to be implemented • Build unit tests and automation test suites to ensure our products deliver the highest quality • Collaborate with scrum team members during sprint planning and daily standups and share your accomplishments during sprint reviews • Provide constructive and honest feedback during code reviews and sprint retrospectives • Work with Enterprise Architects to design our services

What you’ll need:

• 8+ years full-stack software development experience, ideally in a SaaS or micro service-based system • Experience with our technology stack: .NET, C#, SQL, React, Web APIs and entity framework; AWS preferred • Exposure to design principles such as: SOLID/DRY design, Objectoriented design patterns, N-Tier software architecture, threading and synchronization, relational database design, etc. • A passion for problem solving and innovation with the desire to learn and grow • Ability to work well in a remote team environment and attitude to focus on team specific goals and objectives • Ability to drive results through your job competencies of collaboration, software programming and development, and technical problem solving • Ability to drive results through NAVEX core competencies of accountability, customer focus, drives results and instills trust

Job Title: Full Stack Developer

Company: Just Gold LLC

Location: Remote

Experience: 1-5 years

Job Description:

We're seeking a highly skilled Full Stack Developer to join our team at Just Gold LLC. As a Full Stack Developer, you'll be responsible for designing, developing, and maintaining our web and mobile applications using a range of technologies, including Node.js, MongoDB, React Native, React.js, Next.js, Java, AWS, Tailwind CSS, HTML/CSS, and JavaScript.

Responsibilities:

- Develop high-quality, scalable, and maintainable code for our web and mobile applications

- Collaborate with cross-functional teams to identify and prioritize project requirements

- Design and implement new features, components, and functionality

- Troubleshoot and resolve technical issues

- Participate in code reviews and contribute to the improvement of the codebase

- Stay up-to-date with industry trends and emerging technologies

Required Technologies:

- Node.js

- MongoDB

- React Native

- React.js

- Next.js

- Java

- AWS

- Tailwind CSS

- HTML/CSS

- JavaScript

Requirements:

- 1-5 years of experience in full-stack development

- Strong proficiency in JavaScript and its ecosystem

- Experience with Node.js, MongoDB, and React.js

- Familiarity with React Native and Next.js

- Knowledge of Java and AWS

- Understanding of front-end development principles and best practices

- Experience with version control systems (e.g., Git)

- Excellent problem-solving skills and attention to detail

- Strong communication and collaboration skills

Nice to Have:

- Experience with agile development methodologies

- Familiarity with containerization (e.g., Docker)

- Knowledge of cloud-based services (e.g., AWS Lambda)

- Understanding of security best practices and compliance

What We Offer:

- Competitive salary and benefits package

- Opportunity to work on exciting projects with a talented team

- Flexible remote work arrangement

- Professional development opportunities

- Collaborative and dynamic work environment

Job Description: Principal Engineer (Full Stack Architect)

Job Title: Full Stack Architect

Location: Hyderabad, India

Experience: 15Years to 20 years (4+ years in Enterprise Architecture)

Technology Stack: MERN (MongoDB, Express, React, Node.js), Distributed Systems, Cloud (GCP/Azure), Neo4j, Vector Databases, SQL and NoSQL Databases, Knowledge Graphs.

Industry: Enterprise Software, Large-Scale Distributed Systems, Machine Learning

Job Summary

As a Full Stack Architect, you will play a pivotal role in designing and architecting large-scale distributed systems with a strong focus on the MERN stack (MongoDB, Express.js, React, Node.js). You will lead the design and implementation of enterprise-grade software solutions that leverage cloud infrastructure (GCP/Azure), knowledge graphs (Neo4j), vector databases, and machine learning at scale. In this role, you will work closely with cross-functional teams including data scientists, cloud engineers, and front-end developers to deliver high-performance, secure, and scalable applications.

This role requires a deep understanding of distributed systems architecture, graph databases, machine learning systems, and cloud computing, with a strong focus on building solutions that meet business and technical needs. The ideal candidate will have 12+ years of experience with a proven track record of architecting full-stack systems and leading engineering teams in a fast-paced, innovative environment.

Roles and Responsibilities

Full Stack Architecture: Design, develop, and maintain highly scalable, distributed, and fault-tolerant enterprise applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

Distributed Systems: Architect and design large-scale distributed systems that handle high- volume, low-latency data processing.

Cloud Engineering: Implement and maintain cloud infrastructure solutions on GCP or AWS,ensuring high availability, scalability, and performance.

Knowledge Graphs and Databases: Design and optimize complex data models using Neo4j, vector databases, and other NoSQL solutions to manage interconnected data efficiently.

Enterprise Solutions: Architect and deliver cloud-native enterprise software solutions that meet enterprise-grade security, compliance, and performance requirements.

Data Structure & Algorithms (DSA): Lead by example in writing efficient, high-performance code and optimize software with a strong focus on algorithms, data structures, and system design principles.

Collaboration: Work with engineering, data science, and product teams to translate business requirements into scalable technical solutions.

Mentorship: Mentor junior engineers and foster a collaborative team environment.

Performance Optimization: Ensure system performance, scalability, and reliability throughcode reviews, optimizations, and best engineering practices.

Documentation & Best Practices: Maintain comprehensive architecture documentation and promote engineering best practices across teams.

Mandatory Requirements

Experience: 12+ years of full-stack development experience, with significant expertise

in building and architecting applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

 Distributed Systems: Proven track record of architecting and implementing large-scale

distributed systems with a focus on reliability, scalability, and performance.

 Cloud Expertise: Extensive hands-on experience with cloud infrastructure (GCP or AWS),

with a deep understanding of cloud services such as compute, storage, networking, and

security.

 Database Systems: Expertise in NoSQL databases like MongoDB and graph databases like

Neo4j. Experience with vector databases for high-dimensional data processing.

 Knowledge Graphs: Hands-on experience in designing and working with knowledge graphs

for solving complex data relationships.

 Data Structures & Algorithms: Strong knowledge of DSA with practical experience in

solving complex technical challenges.

 Microservices Architecture: Experience in designing and developing microservices-based

architectures and ensuring high availability.

 DevOps ; Automation: Knowledge of DevOps practices (CI/CD), containerization (Docker), and orchestration (Kubernetes).

 Agile Methodologies: Experience with Agile development methodologies, including SCRUM, TDD, and iterative development.

Nice-to-Have Requirements

 Front-End Expertise: Advanced experience with React.js, with knowledge of modern front- end technologies (Next.js, Redux, TypeScript).

 Cloud Certifications: Google Cloud Professional Architect or Azure Certified Solutions Architect certifications.

 Data Engineering: Hands-on experience with data pipelines, ETL processes, and big data technologies (e.g., Apache Spark, Kafka).

 AI/ML Ops: Experience in deploying machine learning models using MLOps frameworks and automating ML pipelines.

 Graph Analytics: Experience in graph algorithms and analytics, with the ability to model and query complex relationships in a graph database.

 System Design: Experience in conducting system design reviews, providing insights into performance bottlenecks, scalability, and trade-offs.

 Security & Compliance: Knowledge of enterprise-level security protocols and data privacy compliance frameworks (e.g., SOC2, GDPR).

Leadership: Proven experience in leading cross-functional teams, setting technical roadmaps, and ensuring alignment between business and technical goals.

Job Title : MERN Stack Developer with Blockchain Expertise

Job Description :

We are looking for a dynamic and skilled MERN Stack Developer with a specialization in Blockchain to join our team. As a Blockchain MERN Stack Developer, you will be instrumental in crafting and implementing blockchain solutions, utilizing the MERN stack for both front-end and back-end development. Your role will contribute to the creation of secure, scalable, and decentralized applications.

Responsibilities :

- Develop and design applications based on blockchain technology using the MERN stack.

- Implement and integrate smart contracts and decentralized solutions into the development process.

- Collaborate with cross-functional teams to define project requirements and specifications.

- Create and maintain high-quality, reusable, and reliable code.

- Ensure the application of secure coding practices to uphold the integrity of blockchain solutions.

- Utilize front-end technologies, particularly React, to build engaging and user-friendly interfaces.

- Work closely with UX/UI designers to implement visually appealing and intuitive interfaces.

- Participate in code reviews, offering constructive feedback to team members.

- Identify and troubleshoot issues related to blockchain and MERN stack development.

- Stay informed about the latest trends, tools, and emerging technologies in blockchain.

Requirements :

- Proven experience as a Full Stack Developer with a specific focus on blockchain technology.

- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).

- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.

- Solid understanding of smart contract development and implementation.

- Familiarity with decentralized application (dApp) development.

- Knowledge of cryptography and principles of blockchain security.

- Familiarity with version control systems, such as Git.

- Strong problem-solving and analytical skills.

- Excellent collaboration and communication skills.

- Bachelor's degree in Computer Science or a related field (or equivalent work experience).

If you are passionate about both blockchain technology and MERN stack development and thrive in an innovative environment, we encourage you to apply or share your CV and contribute to our cutting-edge projects.

About the role 

We are looking for strong experience in understanding HTML5, CSS3, JavaScript, Core PHP, MySQL. Must have outstanding coding skills, Strong understanding of business logic and has a good learning curve. 

Responsibilities

• Basic Knowledge in PHP Frameworks like CodeIgniter, Core PHP, Laravel, Symphony etc. 

• Hands-on experience in Apache, Xampp, and Wamp Servers. 

• Basic CMS Knowledge if any (Joomla/WordPress/Drupal).

• Strong Knowledge if OOPS Concepts in PHP. 

• Implementing Payment Gateways as per project requirements like (E.g.: PayUMoney, PayPal, Paytm, Razor Pay)Capturing values to database, email notifications for pending/Failed and success payments. 

• Knowledge of different Project Lifecycles.  

Requirements

• Bachelor’s or Master’s degree in computer science or software engineering. 

• Minimum 2+ year of experience developing projects/applications using PHP. 

• Good communication verbal skills along with Process oriented. 

• Strong debugging skills and the ability to easily and quickly read and modify existing code. 

Location & Commitments 

Permanent full-time role based at our Ahmedabad, Gujarat office Monday – Friday. 

Salary Package 

No bar for the right candidate. 

Job Description:

Experience - 4 to 8 Years

Ideally Applicants have: