Java Fullstack Developer (Java with React.JS) (Remote Work)

Job Title : Full Stack Developer

Experience : 5+ Years (Mandatory)

Mandatory Tech Stack : Node.js (NestJS), React.js (Next.js), React Native, PostgreSQL, AWS (Hybrid with On-Premise infrastructure) & Docker Swarm & Portainer

Location : Remote

Working Days : Monday to Saturday

Shift : Night Shift

Job Summary :

We are scaling rapidly and looking for a high-impact Full Stack Developer who thrives on solving complex problems across Web, Mobile, and Cloud Infrastructure.

The ideal candidate is hands-on, adaptable, and comfortable working in distributed systems and hybrid cloud environments, delivering end-to-end solutions with ownership and accountability.

Mandatory Technical Skills :

• Backend : Node.js with NestJS
• Frontend (Web) : React.js with Next.js
• Mobile : React Native
• Database : PostgreSQL
• Cloud : AWS (Hybrid with On-Premise infrastructure)
• OS : Linux
• Containers & Orchestration : Docker Swarm
• Container Management : Portainer

🎯 Key Responsibilities :

• Design, develop, and maintain scalable full-stack applications (Web + Mobile)
• Build and manage microservices and RESTful APIs
• Work in distributed and hybrid cloud environments
• Develop cloud-ready solutions and manage deployments
• Handle containerized applications using Docker Swarm & Portainer
• Collaborate closely with Product, DevOps, and Engineering teams
• Ensure application performance, security, and reliability
• Participate in code reviews and follow best engineering practices
• Troubleshoot, debug, and optimize applications across the stack

✅ Required Qualifications :

• Strong hands-on experience with Node.js (NestJS)
• Solid expertise in React.js (Next.js) and React Native
• Experience with PostgreSQL and backend data modeling
• Working knowledge of AWS services in hybrid environments
• Good understanding of Linux systems
• Hands-on experience with Docker Swarm & Portainer
• Strong understanding of microservices architecture
• Ability to manage end-to-end full-stack delivery

⭐ Good-to-Have Skills :

• Experience with CI/CD pipelines
• Exposure to monitoring & logging tools
• Knowledge of event-driven systems
• Experience working in high-availability systems

JOB PURPOSE   

A Senior Associate Java WCS Technologist is considered as a senior contributor for complex modules of work by bringing deep core technology expertise and relevant business subject matter expertise to the table.  

JOB RESPONSIBILITIES   

• Sr. Associate, Technology plays a significant role during the design and implementation of the technological solution for our clients.   
• A Sr. Associate, Technology is involved in ensuring a quality technical design that satisfies the business requirements of the client.   

• A Sr. Associate, Technology is often involved in package evaluations and recommendations, communicating the technological details of the project to the business users and workshops with the clients. Sr. Associate, Technology also participates in gathering business requirements and assessing existing architectures and resources.  
• Sr. Associate, Technology provides leadership to the team by taking responsibility for a specific component or track of the project architecture.  By taking on this level of responsibility, a Sr. Associate, Technology spends more time overseeing the tasks required to implement a solution rather than performing the tasks directly.  This includes planning, estimation, resource management, issue resolution and quality assurance.  A Sr. Associate, Technology is also responsible for coordinating and communicating with the other tracks and disciplines involved in the project.   
• In performing the essential functions of this role, the work is fast-paced, moderately noisy and team-based.  Additionally, frequent overnight travel is required.  
• Prepares the technical design of the more complex technology components within the module (one or more of client/web presentation tier, server tier, data access and data model, integration component, package function customization)  
• Participates in and in some cases drives design reviews of other modules and provides insightful comments to improve the design quality and design conformance to standards  

• Assists the architect in articulating the pros and cons of using a certain technology stack/package or component or design pattern versus another to the clients and project team and drives selection of technologies, designs to come up with the optimal architecture  
• Implements slice of application (EAR) and proofs of concept (spike solution) to prove any new technologies or integration scenarios in the module  
• For package implementations, aids the Architect of the project to perform the gap analysis between business requirements and the package features and design the configuration, customizations, extensions, interfaces required to meet the requirements  
• Provides innovative solutions to project level technical issues  
• Critiques a design created by another designer and helps identify design and performance improvements  

• Interacts with a set of clients (client senior developers and architects) to create technology specifications from business requirements for one of the modules within the project  
• In some scenarios, collaborates with client developers to design, build, test and deploy the module components and integrate with the rest of the modules  
• Raises and drives to closure with the client any technical design and implementation issues in the module and also in the interfaces and interactions with other modules  
• Estimates the implementation and deployment of the module based on design architecture, testing strategy and overall project plan  
• Assists the architect in coming up with the overall estimates for the project along with any key risks and issues and their mitigation  

• Reports progress and issues to the Manager in a timely manner. In particular, to relay issues that might impact on quality or the ability to deliver to timescales or estimates  
• Works with team on the development of standards, processes and procedures related to application security, upgrade management, capacity planning, application deployment, performance monitoring/tuning, and failover and disaster recovery  
• Mentors the team on the best techniques to debug and troubleshoot design and implementation defects and issues  
• Shares point of view on technology stack, package and latest technology and business trends in one or more relevant areas (e.g. eCommerce, Content Management).  
• Documents the technical design using UML, suitable design patterns in the form of technical design narrative, object models, sequence diagrams, collaboration diagrams  

SKILL REQUIREMENTS  

Experience in: J2EE - Application Servers, Java - ORM, Java - Spring Framework, Core  

Java, SQL Development Languages, Java - Web, Presentation Frameworks, Java - Messaging  

Implementation, Java Web Services, Planning/ Execution & Tracking, Scoping and  

Estimating, Data Modeling, High Availability and Failover Applications, High Throughput / Transaction Application, Logical Architecture Design, OOAD and UML, Package / Vendor Selection, Performance / Capacity Planning, Application, Security.  

Ability to abstract detail into larger (repeatable) patterns, familiarity with user centered analysis and evaluation techniques   

Understanding of the project life cycle process to effectively be able to manage a sub- 

Business Knowledge:  Domain experience on Enterprise data warehouse would be a plus.  

Personal Attributes: a. Strong and innovative approach to problem solving and finding solutions b. Excellent communicator (written and verbal, formal and informal) c. Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution d. Ability to multi-task under pressure and work independently with minimal supervision. e. Ability to prioritize when under pressure  

EXPERIENCE   

2-8 years  

EDUCATION  

Full Time Bachelor’s / Master’s degree (Science or Engineering preferred)  

Job Title: Senior .NET Developer

Location: Kolkata

Job Type: Full-time

Experience: 8-15 years

Job Description:

We are seeking a highly skilled Senior .NET Developer with 8 -15 years of experience to join our team. The ideal candidate will have a strong command of .NET development and excellent communication skills to effectively collaborate with cross-functional teams and stakeholders.

Responsibilities:

• Lead the design, development, testing, and deployment of high-quality .NET applications.
• Mentor junior developers and provide technical guidance and support.
• Collaborate with project managers, business analysts, and stakeholders to gather requirements, define project scope, and contribute to system architectural design and planning discussions.
• Communicate effectively with team members, stakeholders, and clients to understand project requirements, provide updates on project progress, and participate in Code Reviews with Peers/Technical Lead.
• Stay updated with the latest technologies, trends, and developments in .NET development and implement best practices, coding standards, and design patterns to ensure robust and scalable solutions.
• Troubleshoot and debug issues to maintain the stability and performance of existing applications, identify issues, conduct root cause analysis, and recommend/implement solutions.
• Document technical specifications, system architecture, and development processes, and develop relevant documentation around the solutions.
• Estimate and develop scalable solutions using .Net technologies in a highly collaborative agile environment with strong experience in C#, ASP.net Core, Web API, Develop SP, query, and table schema in SQL Server, and perform unit, integration and system testing to ensure quality release of the product.
• Contribute to system architectural design and planning discussions.
• Take initiative and ownership to drive development projects and invest in self-development.
• 4-6 years of experience designing and developing n-tier Web applications using .Net Framework, .Net Core, ASP.Net, WCF and C#, MVC 4/5 Web Development, RESTful API Services, Web API and JSON.
• Exposure to Agile Scrum and associated framework, User Stories/product backlog, and TFS/JIRA Usage.
• Knowledge of scripting frameworks like ReactJS, and experience with source control like Git or Bitbucket is preferred.
• Proven experience with AJAX, jQuery, JavaScript, and CSS, knowledge of SOLID principles, and working experience with design principles including design patterns.
• Good exposure to one or more implementations of CI & CD using Jenkins, and Docker containerization.
• Knowledge of API development with an understanding of HTTP and REST architecture.

Eligible Criteria:

• Excellent verbal and written communication and organizational skills, keen attention to detail, and multi-tasking abilities.

· Bachelor's degree in Computer Science, Engineering, or a related field.

· 5-10 years of professional experience in .NET development.

· Extensive knowledge and experience with C#, ASP.NET, MVC, Web API, and SQL Server.

· Proficiency in Azure cloud & related environments

· Experience working in Agile methodologies and collaborative team environments.

· Excellent problem-solving skills and attention to detail.

· Ability to work independently and as part of a team, with a proactive and positive attitude.

· Familiarity with front-end technologies such as HTML5, CSS3, JavaScript, and frameworks like ReactJS is a plus.

· Certifications in .NET development or related technologies are desirable but not required.

Benefits: Salary as per Market standard, PF, Medical insurance for permanent employees.

Employment Type

Full-time

• 2 – 6 years of experience with in Java /J2EE.
• Hands-on experience working on Core JAVA, JSP, Servlets, Spring,Java script, Apache & Tomcat, Web services ,ReactJS and JQuery.
• Having experience on Multi-threading is added advantage.
• Exposure working on Linux environment is preferred.
• The ability to work in a fast, agile and nimble environment with frequent change
• Good communication & presentation skills
• Troubleshooting of issues

Job description :

Looking for a passionate developer and team player who wants to learn, contribute and bring fun & energy to the team. We are a friendly startup where we provide opportunities to explore and learn a lot of things(new technology/tools etc.,) in building quality products using best-in-class technology.

Responsibilities :

• Design and develop new features using Full-stack development (Java/Spring/React/Angular/Mysql) for a cloud(AWS/others) and mobile product application in SOA/microservices architecture.
• Design awesome features and continuously improve them by exploring alternatives/technologies to make design improvements.
• Performance testing with Gatling (Scala).
• Work with CI/CD pipeline and tools (Docker, Ansible) to improve the build and deployment process.
• Working with QA to ensure the quality and timing of new release deployments.

Skills/Experience :

• Good coding/problem-solving skills and interest in learning new things will be the key.
• Time/Training will be provided to learn new technologies/tools.
• 1 or more years of professional experience in building web/mobile applications using Java or similar technologies (C#, Ruby, Python, Elixir, NodeJS).
• Experience in Spring Framework or similar frameworks.
• Experience in any DB (SQL/noSQL)
• Any experience in front-end development using React/Vue/Angular/similar frameworks.
• Any experience with Java/similar testing frameworks (JUnit/Mocks etc).

Job Description

Job brief

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable with both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.

Responsibilities

• Work with development teams and product managers to ideate software solutions
• Good working knowledge of PHP MVC web frameworks (Symfony or Codeigniter or Laravel)
• Proficiency in JavaScript (or jQuery) programming.
• Relational database skills with MySQL
• Understanding of responsive CSS design frameworks such as Bootstrap.

Requirements and skills

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics, or relevant field

Interested candidates can share their CVs to shubhashish.dutta (at the rate) viswasi.com 

Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.

Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.

We are backed by Y Combinator and other investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.

Join us, if you find this as exciting as we do!

Description:

We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Hands-on with UI and server-side is highly desirable.

You will get hands-on experience in the latest technologies and skills including product design and architecture. This role is ideal for you if you have a background in Full Stack development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.

Responsibilities:
- Work alongwith teams and product managers to ideate software solutions. 
- Design, build and develop front end application features.
- Design, build and develop microservices and backend server applications.
- Designing and scaling databases and servers.
- Ensuring analysis, efficiency, responsiveness and cross-platform compatibility of applications through captured  metrics, testing frameworks, and debugging methodologies.
- Owning and delivering end-to-end products, features, enhancements.
- Hands-on coding and development.
- Technical documentation through all stages of development

Requirements:
- Degree in Computer Science or related discipline with 6-10 years of experience.
- Hands on with Reactjs or similar framework/library.
- Proficiency with server side languages such as Nodejs, Python.
- Proficiency with at least one no-sql database such as MongoDB.
- Good understanding of CI/CD processes.
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology

Regarding the job role: 

The Senior Developer is responsible for running the day to day operations of a group of developer/s. The individual should exhibit proven experience on our technology stack and product. Our technology stack is primarily written in React, Node + Express with Apollo, GraphQL, Typescript and MySQL on AWS Cloud Services.

Responsibilities:

• Contribute at a senior level to the development process.
• Own the product development lifecycle with the team.
• Work closely with the subordinates both at the technical as well as troubleshooting and problem solving.
• Manage developer allocations on tasks to best utilise time and resources.
• Work with Product Managers and the team to ensure that commitments are met.
• Responsible for the quality of work completed.
• Ability to do code reviews and maintain the quality standards. 
• Ability to conduct manual server deployments and automate the same. 
• Mentor and stimulate team member career growth.

Qualification:

BE/ME in Computer Science, Information Technology or a related subject, MCA, MSc(IT) or equivalent degree.

Required Skills:

• 4-6 years of proven software development experience with React, Node/Express, CSS/Bootstrap, HTML5 and MySQL or any RDBMS Server.
• Experience in TypeScript, GraphQL, TypeORM, styled components.
• Familiarity with Webpack and bundling the web applications for server deployment.
• Experience using AWS Toolchain or any other public cloud providers.
• Familiarity with shell scripting to automate deployment processes. 
• Ability to write robust, maintainable applications.
• Ability to build and work with distributed, high-volume backend services.
• Have a great understanding of system design, data structures, object-oriented programming and software engineering principles.
• You should have experience in identifying, debugging and resolving complex production issues.
• Awareness of continuous deployment tools such as Jenkins or other DevOps tools will be an advantage.
• Well versed with agile methodologies and continuous development / integration approaches. 
• People management/mentoring experience is required.