Senior Java Full Stack Developer

We are seeking a smart, analytical Senior Full-Stack Web Applications Developer who thrives in a fast-paced environment and is eager to keep pace with rapidly evolving technologies. The ideal 

candidate embraces AI-assisted development as a core part of their workflow. 

What You'll Do 

● Design, build, and maintain scalable web applications using Python, PHP/Laravel, and React.js/Next.js 

● Develop and integrate RESTful APIs using Express.js and third-party services. 

● Architect and optimize relational (MySQL/PostgreSQL) and NoSQL (MongoDB) databases. 

● Build and customize WordPress themes, plugins, and headless CMS solutions. 

● Leverage AI coding tools (Claude, Codex, GitHub Copilot) to accelerate development and raise code quality. 

● Lead code reviews, enforce coding standards, and contribute to technical documentation. 

● Collaborate with DevOps on CI/CD pipelines, Docker environments, and deployments. 

● Mentor mid-level and junior developers and provide architectural guidance. 

What We're Looking For 

● 5+ years of professional web development experience. 

● Strong analytical mindset, you break down complex problems clearly and systematically. 

● Proficiency in Python (Django / Flask / FastAPI) and PHP (Laravel) 

● Solid front-end skills: React.js, Next.js, HTML5, CSS3, Tailwind CSS 

● Back-end API development with Node.js, Express.js, FastAPI, and Laravel. 

● Deep experience with SQL databases (MySQL, PostgreSQL), query optimization, indexing, migrations. 

● Experience with MongoDB, schema design, aggregation pipelines, and indexing. 

● WordPress development: custom themes, plugins, WooCommerce, REST API. 

● Genuine curiosity and a growth mindset, you actively follow and adapt to emerging tech. 

● Familiarity with Git, Docker, and Linux environments. 

● Understanding of web security best practices. (OWASP, CSRF, XSS, SQL injection) 

Nice to Have 

● TypeScript, GraphQL. 

● Any real-world experience with Golang .

● Cloud platforms. (AWS, GCP, or Azure) 

● Redis, Celery, or queue-based architectures. 

● Prior experience leading a small development team. 

What We Offer 

● Competitive salary based on experience. 

● Modern tech stack. 

● Collaborative, low-ego engineering team. 

● Opportunity to shape architecture decisions from day one. 

Employment Type: Full-time, Permanent Experience Level: Senior (5+ years) 

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.

We’re hiring a hands-on Full-Stack Developer to join as our first technical hire and help turn our operational edge into scalable software. You’ll work directly with the founding team to:

* Build internal and guest-facing tools in React

* Develop a Node.js backend to power core workflows

* Integrate with property management software APIs (e.g., Guesty, Hostaway, Airbnb)

* Implement and extend functionality using AI APIs like OpenAI (required)

Our Stack

* Frontend: React

* Backend: Node.js (Express or similar)

* Database: MongoDB or Postgres

* APIs: REST/GraphQL, PMS integrations

* AI: OpenAI API and related services

Must-Have Skills

* 2+ years of full-stack development experience

* Strong proficiency in React and Node.js

* Demonstrated experience integrating external APIs (especially SaaS or PMS platforms)

* Familiarity working with OpenAI or other AI APIs

* Ability to work independently and ship quickly

Nice to Have

* Background in hospitality, rentals, or operational software

* Experience building dashboards or guest lifecycle tools

* Bonus: Prior experience with Guesty, Hostaway, or PMS APIs

Full Stack Architect

• Design overall architecture of the web based platform in the space of Analytics and Application Security.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Experience working with graphic designers and converting designs to visual elements.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming languages – Python with Flask
• Proficient experience using JavaScript libraries and frameworks – ReactJS, Redux
• Proficient in Non-SQL DB like Mongo
• Well versed with Cloud Engineering like AWS
• Good Understanding of Containerisation like Docker, Kubernetes
• Application Development experience for both mobile and desktop.
• Experience with cloud message APIs and usage of push notifications.
• Understands Microservices Design.
• Knowledge of code versioning tools like Bitbucket
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Comfortable working on Design documentation

Work with data scientists and analysts to improve software.

KEY RESPONSIBILITIES

• Building a website based on the given requirements and ensure it’s successfully deployed
• Responsible for designing, planning, and testing new web pages and site features
• A propensity for brainstorming and coming up with solutions to open-ended problems
• Work closely with other teams, and project managers, to understand all stakeholders’ requirements and ensure that all specifications and requirements are met in final development
• Troubleshoot and solve problems related to website functionality
• Takes ownership of initiatives and drives them to completion.
• Desire to learn and dive deep into new technologies on the job, especially around modern data storage and streaming open source systems
• Responsible for creating, optimizing, and managing REST APIs
• Create website content and enhance website usability and visibility
• Ensure cross-browser compatibility and testing for mobile responsiveness
• Ability to integrate payment processing and search functionality software solutions
• Stay up-to-date with technological advancements and the latest coding practices
• Collaborate with the team of designers, content managers, and developers to determine site goals, functionality, and layout
• Monitor website traffic and overall system’s health with Google analytics to ensure high GTmetrix score
• Build the front-end of applications through appealing visual design
• Design client-side and server-side architecture
• Develop server-side logic and APIs that integrate with front-end applications.
• Architect and design complex database structures and data models.
• Develop and implement backend systems to support scalable and high-performance web applications.
• Create automated tests to ensure system stability and performance.
• Ensure security and data privacy measures are maintained throughout the development process.
• Maintain an up-to-date changelog for all new, updated, and fixed changes.
• Ability to document and manage all the software design, requirements, reusable & transferable code, and other technical aspects of the project.
• Create and convert storyboards and wireframes into high-quality full-stack code
• Write, execute, and maintain clean, reusable, and scalable code
• Design and implement low-latency, high-availability, and performant applications
• Implement security and data protection
• Ensure code that is platform and device-agnostic

EDUCATION & SKILLS REQUIREMENT

• B.Tech. / BE / MS degree in Computer Science or Information Technology
• Expertise in MERN stack (MongoDB, Express.js, React.js, Node.js)
• Should have prior working experience of at least 3 years as web developer or full stack developer
• Should have done projects in e-commerce or have preferably worked with companies operating in e-commerce
• Should have expert-level knowledge in implementing frontend technologies
• Should have worked in creating backend and have deep understanding of frameworks
• Experience in the complete product development life cycle
• Hands-on experience with JavaScript, HTML, CSS, JQuery, JSON, PHP, XML
• Proficiency in databases, including analytical (e.g., mySQL, MongoDB, PostgreSQL, DynamoDB, Redis, Hive, Elastic etc.)
• Knowledge of architecting or implementing search APIs
• Great understanding of data modeling and RESTful APIs
• Strong knowledge of CS fundamentals, data structures, algorithms, and design patterns
• Strong analytical, consultative, and communication skills
• Excellent understanding of Microsoft office tools : excel, word, powerpoint etc.
• Excellent organizational and time management skills
• Experience with responsive and adaptive design (Web, Mobile & App)
• Should be a self starter and have ability to work without being supervised
• Excellent debugging and optimization skills
• Experience building high throughput/low latency systems.
• Knowledge of big data systems such as Cassandra, Elastic, Kafka, Kubernetes, and Docker
• Should be willing to be a part of a small team and working in fast-paced environment
• Should be highly passionate about building products that create a significant impact.
• Should have experience in user experience design, website optimization techniques and different PIM tools

You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.‍

• Design and develop SaaS-based applications based on microservices architecture.
• Work on core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture.
• Should have sound working experience with relational and columnar DB.
• Should be innovative and communicative in approach.
• Will be responsible for functional/technical track of a project.

You will closely work with the engineering team and support the Product Team of Compass.‍

A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.‍

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

We at Convrse are revolutionizing the way, 'The Metaverse' is going to be built. We aim to become the world’s largest library for sourcing interoperable 3D spaces for building all kinds of metaverse experiences.

We are searching for an innovative technical lead. to join our company. As the technical lead, you will oversee the company’s technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.

To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.

Technical Lead Responsibilities:

1. Determining project requirements and developing work schedules for the team.

2. Delegating tasks and achieving daily, weekly, and monthly goals.

3. Liaising with team members, management, and clients to ensure projects are completed to standard.

4. Identifying risks and forming contingency plans as soon as possible.

5. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.

6. Keeping up-to-date with industry trends and developments.

7. Updating work schedules and performing troubleshooting as required.

8. Motivating staff and creating a space where they can ask questions and voice their concerns.

9. Being transparent with the team about challenges, failures, and successes.

      10. Writing progress reports and delivering presentations to the relevant stakeholders.

Technical Lead Requirements:

1. Bachelor’s/Master's degree in computer science, engineering, or a related field.

2. A 3-4 years of experience in a similar role would be advantageous.

3. In-depth experience in working with Reactjs and Go.

4. Excellent technical, diagnostic, and troubleshooting skills.

5. Experience with blockchain technology preferable.

6. Strong leadership and organizational abilities.

Job brief

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

As a Full Stack Developer, you should be comfortable around 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 team and product managers to ideate software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design in mind.
• Write technical documentation.

Requirements

• B.E./B.Tech. in Computer Science or a degree in Computer Science background.
• Experience as a Full Stack Developer or similar role (1-2 years)
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery)
• Knowledge of back-end languages and JavaScript frameworks (e.g. React and Node.js)
• Familiarity with MongoDB, web servers, and UI/UX design.
• Excellent communication and teamwork skills.
• Great attention to detail.
• Organizational skills.
• An analytical mind.
• Knowledge of Cloud Platforms like AWS or GCP.