Java Full stack (Java + React)

Job Title : Senior Technical Consultant (Polyglot)

Experience Required : 5 to 10 Years

Location : Bengaluru / Chennai (Remote Available)

Positions : 2

Notice Period : Immediate to 1 Month

Role Overview :

We seek passionate polyglot developers (Java/Python/Go) who love solving complex problems and building elegant digital products.

You’ll work closely with clients and teams, applying Agile practices to deliver impactful digital experiences..

Mandatory Skills :

Strong in Java/Python/Go (any 2), with frontend experience in React/Angular, plus knowledge of HTML, CSS, CI/CD, Unit Testing, and DevOps.

Key Skills & Requirements :

Backend (80% Focus) :

• Strong expertise in Java, Python, or Go (at least 2 backend stacks required).
• Additional exposure to Node.js, Ruby on Rails, or Rust is a plus.
• Hands-on experience in building scalable, high-performance backend systems.

Frontend (20% Focus) :

• Proficiency in React or Angular
• Solid knowledge of HTML, CSS, JavaScript

Other Must-Haves :

• Strong understanding of unit testing, CI/CD pipelines, and DevOps practices.
• Ability to write clean, testable, and maintainable code.
• Excellent communication and client-facing skills.

Roles & Responsibilities :

• Tackle technically challenging and mission-critical problems.
• Collaborate with teams to design and implement pragmatic solutions.
• Build prototypes and showcase products to clients.
• Contribute to system design and architecture discussions.
• Engage with the broader tech community through talks and conferences.

Interview Process :

1. Technical Round (Online Assessment)
2. Technical Round with Client (Code Pairing)
3. System Design & Architecture (Build from Scratch)

✅ This is a backend-heavy polyglot developer role (80% backend, 20% frontend).

✅ The right candidate is hands-on, has multi-stack expertise, and thrives in solving complex technical challenges.

Role Overview

We are looking for a Senior Full Stack Developer in India with strong hands-on experience across frontend and backend development to deliver high-quality, scalable solutions for global clients.

This role requires deep technical expertise, the ability to work independently on complex requirements, and strong collaboration with global delivery teams across regions. You will contribute to technical decision-making, mentor team members, and ensure solutions meet enterprise-grade standards.

Key Responsibilities

Full Stack Development

• Design, develop, test, and maintain robust and scalable full stack applications
• Work across frontend and backend layers depending on project demands
• Deliver clean, maintainable, and performance-optimized code

Technical Contribution & Quality

• Contribute to technical and architectural decisions
• Ensure applications meet requirements for security, performance, reliability, and scalability
• Participate actively in code reviews and technical discussions

Delivery & Collaboration

• Work closely with Product, UX, QA, DevOps, and global delivery teams
• Participate in agile ceremonies including sprint planning, reviews, and retrospectives
• Communicate effectively with Delivery Managers and project stakeholders on progress, risks, and dependencies

Mentoring & Team Enablement

• Mentor junior and mid-level developers on coding, testing, and design best practices
• Support your project team and the wider engineering community through knowledge sharing
• Contribute to continuous improvement of development standards and practices

Continuous Learning & Improvement

• Stay current with evolving technologies, frameworks, and engineering practices
• Participate in POCs, technical evaluations, and learning initiatives
• Actively contribute to improving tools, processes, and delivery approaches

Required Qualifications & Experience

• BE, ME/MTech, MCA, MSc, or equivalent degree-level education
• 5-10+ years of hands-on experience as a Full Stack Developer
• Strong experience working in client-facing, delivery-oriented environments
• Proven experience working in agile development teams
• Ability to work effectively with distributed/global teams

Technical Skills

Frontend

• Angular 16 (preferred) or React (can convert to Angular)
• TypeScript, JavaScript, HTML5, CSS / SCSS, Tailwind CSS
• Advanced state management and frontend performance optimization

Backend

• Java (Spring Boot preferred) or Node.js
• RESTful APIs and microservices architecture
• Unit testing and mocking frameworks (JUnit, Mockito)
• Asynchronous and event-driven messaging

Data & Integration

• Strong experience with SQL and/or NoSQL databases
• Database schema design, data modeling, and query optimization
• Experience with enterprise integrations, message queues, and event-driven systems

DevOps & Engineering Practices

• CI/CD pipelines and version control (Git)
• Automated testing (unit, integration, frontend and backend)
• Understanding of deployment, monitoring, and operational reliability

Professional & Behavioral Skills

• Strong problem-solving and analytical mindset
• Clear verbal and written communication skills in English
• Ability to work independently, manage priorities, and meet delivery timelines
• Commercial awareness in client delivery and project execution
• Strong collaboration and team-oriented approach

Nice to Have

• Open-source contributions (GitHub, npm/Maven publishing)
• Experience with technical POCs, R&D initiatives, or innovation projects
• Participation in tech communities, mentoring programs, or knowledge forums
• Relevant certifications or advanced technical training

About Columbus :

Columbus is a global IT services and consulting corporation with more than 3,000 employees serving our customers worldwide. We bring digital transformation into your business and position you to thrive far into the future. We offer a comprehensive solution portfolio with deep industry knowledge, extensive technology expertise and profound customer insight. We have proven this through 32 years of experience serving more than 5,000 customers worldwide.

1. Develop and maintain server-side logic and APIs using Node.js.
2. Collaborate with front-end developers to integrate user-facing elements with server-side logic.
3. Design and implement scalable, secure, and maintainable backend solutions.
4. Work with databases such as MongoDB, PostgreSQL, or MySQL.
5. Optimize application performance and troubleshoot production issues.
6. Follow best practices for testing, deployment, and code quality.
7. Stay updated with the latest trends and technologies in backend

Clipboard Health - an alumnus of Y combinator is an online marketplace offering no-commitment staffing for healthcare facilities and on-demand shifts for healthcare professionals. Clipboard Health works with healthcare facilities such as hospitals, assisted living facilities, and rehab centers to provide on-demand nursing staff. Their mission is to enable healthcare professionals to work when they want, and where they want, and to enable healthcare facilities to get staff when they need it.

Tech stack: MERN (MongoDB, Express, React.js and Node.js)

• 4+ years experience in MERN stack
• Good communication skills
• Ability to work independently with minimum supervision.
• Excellent organization and problem-solving skills
• Hands-on experience in software development and agile methodologies
• Proven analytical and problem-solving capabilities

Responsibilities:

• Contribute at a senior level to the development process
• Own the product engineering lifecycle with the team
• Mentor team members at technical as well as career development level
• Manage developer allocations on tasks to best utilize time and resources
• Work with Product Managers and the team to ensure that commitments are met
• Contribute to the design and architecture of products

What will make you a great fit: 

• Startup experience
• Worked on products from scratch and built them to scale
• Proactive instead of reactive

Note:- This is a Remote Job. Apply only if you are willing to work with over lapping US time zones.

• B-Tech / B.E. from a reputed college / university

• Strong problem solving and analytical skills
• Good knowledge of Core Java, JSP and Servlet
• Fluency in programming constructs
• Good expertise in working with databases and Query language.
• Mature, thoughtful, and a natural fit for a collaborative, team-oriented culture
• Hard-working and eager to learn in a fast-paced, innovative environment
• Spring Boot & Microservices architecture
• Strong foundation and expert knowledge in the area of Core Java and J2EE standards.
• Sprint IOC & Spring MVC

• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• Proficiency with JavaScript and HTML5
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience in using build tools like Maven
• Knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating configuration, build, and test scripts for continuous integration environments.

Role- Javascript Technical Lead

Job Responsibilities:
● Architect and design solutions and lead a team of 5-6 JS developers
● Interact with client understand requirements
● Able to convert business requirements to sizable tasks for developers to implement
● Provide technical expertise and mentor team in latest technologies
● Ensure and apprise stakeholders of technical feasibility, effort and impact of
implementations
● Create and present demos POCs

Skills Required:
1. Hand on experience with Node.js + React.js
2. Good understanding of Node.js frameworks (Express, Koa, Sails, Hapi) and good hands-on experience in at least one.
3. Strong understanding of Core JS Concepts including the ability to write unit tests.
4. Working knowledge in ES6 + JavaScript.
5. Experience in API Design (REST concepts) and API modeling.
6. Knowledge of WebSocket’s (Socket IO).
7. Hands on experience Typescript.
8. Experience with build tools (Webpack).
9. Experience with NoSql Databases (Mongo, Dynamo).
10. Good communicator with good client engagement skills.
11. Hand on experience with version control systems(git). Self-motivated and driven to
deliver, with and ability to be detail-oriented while able to see and define the overall
strategy.
12. Demonstrated ability to stay on top of new concepts and tools in the ever-evolving area

Good to have:
1. Knowledge of Docker and hands-on experience
2. Worked with AWS and similar cloud service providers
3. Experience with building applications using microservices

Roles & Responsibilities

1. Position : Technical Lead (JAVA/J2EE)
2. Salary : As per the Industry standard 
3. Role: (70% Technical; 30% Team Leading Activities)
4. Successfully design medium to large-scale Enterprise solutions using Java technologies
5. Good knowledge of the design patterns like core design patterns, J2EE design patterns and architectural design patterns along with knowledge of UML
6. Lead technical discussion to provide technical guidance and create coding standards
7. Good with architecting and engineering systems independently, would want the individual to be comfortable implementing a significant part of the framework.
8. Provide technical knowledge and leadership on design and development best practices. 
9. Provide technical input on unit and integration tests for server- and client-side applications, build and deployment procedures and standards.
10. Interaction with management and module leads

Required skills

1. 5+ years of experience in developing and testing software using Java J2EE based application
2. Experience in managing team technically.
3. 3+ years of experience in Object Oriented Analysis and Design. 
4. 2+ years of experience in developing application using Spring (Spring Core, Spring ORM and Spring Batch), Hibernate.
5. 2+ years of experience in web technologies using Spring MVC, jQuery. 
6. Good knowledge of design patterns
7. Knowledge on SSL, Web application security frameworks
8. Experience in J2EE performance and scalability
9. Hands on experience on Maven, Jenkins, Nexus etc.
10. Proficient in Software development/integration/build tools like GIT, GERRIT, JIRA/BugZilla
11. Sound knowledge of Object-Oriented Analysis, Design and Design Patterns especially MVC is must
12. Good Knowledge and hands on experience on different databases.  
13. Proficient in Writing / Understanding PL / SQL objects like stored procedures, triggers.  
14. Knowledge on various Application servers including WAS, WLS and JBoss.  
15. Very strong skills in to Angular, AJAX, JSF, Struts, HTML 5, CSS, Bootstrap.  
16. Implement jUnit (unit testing framework) in the project
17. Excellent Oral and Communication skills.