We are looking for skilled Senior Full-Stack developers who can architect and develop large-scale enterprise applications using React.js for front-end and Node.js for API's.
Responsibilities :
● Review application requirements and interface designs.
● Identifying web-based user interactions.
● Developing and implementing highly responsive user interface components using React concepts.
● Writing application interface codes using Javascript following React.js workflows.
● Understand proposed features and quickly design and build scalable API and SQL schema & queries.
● Proactively analyze website performance and implement solutions for improvement.
● Collaborate with architects, developers, business analysts, and QA analysts to design, develop, and test applications.
● Documenting application changes and developing updates.
● Collaborate with other team members.
Requirements :
● Proven work experience as MERN developer (5+yrs)
● 3+ years of experience building complex web applications.
● Solid work experience using component-based development on the client-side.
● 3+ years of experience coding robust and secure Rest API's in Node.js, JSON, XML.
● Experience coding in JavaScript, HTML, CSS.
● Experience in integrating systems using Rest APIs and single sign-on.
● Experience with continuous integration / continuous deployment using AWS CodePipeline and CloudFormation templates.
● Experience with AWS infrastructure (API Gateway, S3, Lambda, Aurora, EC2).
● Experience with Google Analytics integration.
● Deep knowledge to create standards-compliant, cross-browser, mobile compatible front-end code with responsive design.
● Deep knowledge of server-side and front-end performance optimization.
● Strong design skills are a huge plus.
● Should be a self-starter who is excited to solve many technical challenges relentlessly.
● Must have excellent written and verbal communication skills.

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Location: Hybrid/ Remote
Openings: 5
Experience: 0 - 2Years
Qualification: Bachelor’s or Master’s in Computer Science or a related technical field
Key Responsibilities:
Backend Development & APIs
- Build microservices that provide REST APIs to power web frontends.
- Design clean, reusable, and scalable backend code meeting enterprise security standards.
- Conceptualize and implement optimized data storage solutions for high-performance systems.
Deployment & Cloud
- Deploy microservices using a common deployment framework on AWS and GCP.
- Inspect and optimize server code for speed, security, and scalability.
Frontend Integration
- Work on modern front-end frameworks to ensure seamless integration with back-end services.
- Develop reusable libraries for both frontend and backend codebases.
AI Awareness (Preferred)
- Understand how AI/ML or Generative AI can enhance enterprise software workflows.
- Collaborate with AI specialists to integrate AI-driven features where applicable.
Quality & Collaboration
- Participate in code reviews to maintain high code quality.
- Collaborate with teams using Agile/Scrum methodologies for rapid and structured delivery.
Required Skills:
- Proficiency in JavaScript (ES6+), Webpack, Mocha, Jest
- Experience with recent frontend frameworks – React.js, Redux.js, Node.js (or similar)
- Deep understanding of HTML5, CSS3, SASS/LESS, and Content Management Systems
- Ability to design and implement RESTful APIs and understand their impact on client-side applications
- Familiarity with cloud platforms (AWS, Azure, or GCP) – deployment, storage, and scalability
- Experience working with Agile and Scrum methodologies
- Strong backend expertise in Java, J2EE, Spring Boot is a plus but not mandatory
Role: Senior Full Stack Java Developer
Company: Feuji Software Solutions Pvt Ltd.
Mode of Hire: Permanent Position
Experience: 5 – 8 years
Work Location: Hyderabad, India
About Feuji
Feuji, established in 2014 and headquartered in Dallas, Texas, is a rapidly growing global technology services provider. With strategic locations including a Nearshore facility in San Jose, Costa Rica, and Offshore Delivery Centers in Hyderabad, and Bangalore, we cater to a diverse clientele.
Our team of 400+ talented engineers specialize in delivering cutting-edge solutions in managed cloud services, cybersecurity, product and quality engineering, and data-driven insights. Collaborating with industry leaders such as Microsoft, HP, GSK, and DXC Technologies, we empower organizations to achieve their business goals.
At Feuji, we prioritize creating 'Happy Teams' and fostering a culture of innovation, growth, and excellence.
Position Summary
The Senior Software Engineer is responsible for the design, development, quality, and release of our organization's web and mobile applications.
Essential Functions
• The Senior Software Engineer is responsible for the design, development, and release of our organization's web and mobile applications.
• Working closely with Product owners and other stakeholders to understand the business need and design software solutions to meet the product requirements
• Develops applications using Application programming interfaces (APIs) and service-oriented architecture
• Develops unit and automation test scripts under the test-driven development lifecycle
• Contributes to the coding best practices by participating in code reviews and supporting code merges and releases.
Education
• Bachelor's Degree Computer Science, Engineering, or related field preferred
Work Experience
• Typically 5+ years Hands-on object-oriented programming in Java and Javascript (UI) frameworks
Skills
• Understanding of all phases of Software development life cycle
• Software Development Experience with Java
• Experience with UI modern framework like AngularJS or ReactJS
• Experience with microservice architecture, end-to-end UI/API integration, and knowledge of API protocols like REST, gRPC, and graphQL
• Familiar with coding and testing best practices as well as ability to understand complex business problems and design high quality technical solutions.
• Knowledge about the Caching technologies and DBMS technologies like Oracle or MySQL, Postgres, MongoDB
• Strong Problem-solving, communication and organizational skills
We are seeking an experienced Technical Lead with expertise in the MERN (MongoDB, Express.js, React.js, Node.js) stack to join our dynamic team. As a Technical Lead, you will play a pivotal role in leading the development of cutting-edge web applications. You will collaborate with cross-functional teams, mentor junior developers, and contribute to architectural decisions.
Responsibilities:
- Technical Leadership:
- Lead a team of developers in the design, development, and deployment of high-quality web applications.
- Provide technical guidance, mentorship, and support to team members.
- Take ownership of the technical architecture, ensuring scalability, reliability, and maintainability.
- Development:
- Hands-on development using the MERN stack to build robust and scalable web applications.
- Collaborate with the team to define technical specifications and implement solutions according to requirements.
- Code Review and Quality Assurance:
- Conduct code reviews to ensure adherence to coding standards, best practices, and architectural guidelines.
- Implement and maintain automated testing processes to guarantee the quality of deliverables.
- Technical Strategy:
- Collaborate with product managers, designers, and other stakeholders to define technical requirements and priorities.
- Contribute to the development of the technical roadmap and ensure alignment with business goals.
- Problem Solving:
- Identify technical challenges and provide innovative solutions.
- Troubleshoot and resolve technical issues as they arise.
- Documentation:
- Create and maintain technical documentation including architecture diagrams, API specifications, and system documentation.
- Stay Updated:
- Keep abreast of industry trends, emerging technologies, and best practices in web development.
Requirements:
- Bachelor's or higher degree in Computer Science or a related field.
- Proven experience as a Technical Lead or Senior Developer with expertise in the MERN stack.
- Strong proficiency in MongoDB, Express.js, React.js, and Node.js.
- Proficient in front-end technologies such as HTML, CSS, and JavaScript.
- Experience with version control systems (e.g., Git).
- Familiarity with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker).
- Excellent problem-solving and analytical skills.
- Strong communication and leadership abilities.
- Ability to work collaboratively in a cross-functional team environment.
Title
Full Stack MERN/ MEAN Tech Lead
Location
Bangalore
About the company
With over a decade of experience, we specialize in crafting bespoke integration solutions and empowering businesses across the globe with a combined approach to emerging technology. We use cutting edge enterprise platforms - Microsoft, Salesforce, SAP and more Since our establishment in 2004, with our headquarters located in Tampa, USA, eCosmos has been extending global reach and domestic support to a diverse range of organizations, from start-ups to Fortune 500 companies
. Job Summary:
The Lead Developer provides technical expertise which requires a working knowledge of the technical infrastructure underpinning the applications. Plans, consults, and coordinates complex project assignments in the design, development and implementation of applications software. Works as part of a service or project team to implement complex technical solutions that meet business requirements. Responsible for contributing to the planning of the work programs and the review, development, and modification of best practices and technical solutions. Provides supervision to a team of Developers
. What success looks like in this role:
• You will lead a team of 5-10 developers building web apps with React, Node.js, Express and MongoDB, and mobile apps with React Native.
• Architect scalable and high-performance web and mobile apps using proven JavaScript stacks like MERN and MEAN
• Establish best practices for web and mobile development, code quality, testing, and CI/CD
• Proficiency in TypeScript is required to develop and maintain the front-end and back-end of our web applications.
• Plan sprints, assign tasks, and oversee code reviews, testing, and releases
• Troubleshoot and debug applications across the stack
• Manage technical debt and spearhead migrations to new libraries/frameworks when needed
• Hire and mentor developers and promote an engineering culture of learning and excellence.
Skills Required:
• Excellent communication skills, both written and oral.
• Quick problem-solving skills with exceptional aptitude and reasoning. • Good orator, presenter with influencing skills to manage and negotiate complex conflicting resolutions.
• Ability to frame ideas in words to provide a perspective and outcome from analyzing them.
• Experience in leading, managing, mentoring a team of junior developers.
You will be successful in this role if you have:
: • Bachelor's in engineering (B.E or BTech.), MCA.
• 5+ years' experience leading web and/or mobile engineering teams
• Deep expertise with JavaScript, Node.js, React, React Native, and MongoDB • Experience building web apps with MERN or similar stacks • Experience building mobile apps with React Native or similar frameworks
• Excellent verbal and written communication skills
• Comfortable with Agile methodologies like Scrum and Kanban
• Strong leadership skills and commitment to building a world-class engineering team
Compensation & Benefits:
For the right candidate, e-Cosmos is ready to provide an extremely competitive salary and added incentive bonus potential
. e-Cosmos provides an attractive and complete benefits package:
✓ Accidental Death & Dismemberment Insurance
✓ Training and certification assistance
✓ Employee referral bonus program
✓ Vertical and Lateral increments
ETHICS COMPLIANCE:
: e-Cosmos is firmly committed to conducting business in compliance with the letter and spirit of the law and other accepted standards of business conduct as reflected in the company's policies.
We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full stack developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.
Full stack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Full Stack web developer responsibilities:
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back-end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Staying abreast of developments in web applications and programming languages.
Job Types: Full-time, Fresher
Salary: ₹25,000.00 - ₹55,000.00 per month
Requirements
You will make an ideal candidate if you have:
-
Overall 6+ years of software development experience in building web-based and highly scalable applications
-
Excellent understanding of core computer science concepts like algorithms, data structure, system design, OOP, etc.
-
Deep knowledge and development expertise in Core Java and SpringBoot
-
Experience in using dockers and Linux.
-
Hands-on coding experience in developing web applications with REST APIs
-
Good understanding/exposure to Kafka and Elastic.(must have)
-
Log stash understanding is add-on
-
Worked in a CI/CD environment with Jenkins and handled deployments by yourself
-
Experience working in an agile team with software engineering practices like automated testing, test-driven-development, continuous integration, etc is a big plus.
• Experience of MEAN/MERN Stack Technology.
• Experience of Node JS, Express JS, Mongo DB, Angular or Angular JS/Reacts JS.
• Knowledge in Java and/or Python programming, will be added plus.
• Knowledge of Docker and Kubernetes,will be added plus.
• Knowledge of GIT, Jenkins, Nexus, SonarQube tools (or similar)
• Experience working in Agile (SCRUM)
• Knowledge working with AWS (S3, EMR, EC2, RDS)
• Preference will be given to candidates who have travelled onsite or with US business Visa.









