Freelance Developer

 Senior Full Stack Java Developer

Location: Bangalore/ Remote

Experience: 5+ years

Shift:       U.K Shift (01:30 PM IST to 10:30 PM IST)

Summary

We are seeking a highly skilled Senior Full Stack Java Developer with strong expertise in backend and frontend technologies. The ideal candidate will have hands-on experience in building scalable applications using Java, Spring Boot, JSP, and modern frontend frameworks, along with excellent communication skills to collaborate effectively with global teams.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications.
• Implement best practices and design patterns for clean, maintainable code.
• Work with Spring Boot, JSP, and MySQL to build robust backend services.
• Develop responsive UI components using HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure efficient performance.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Participate in code reviews, testing, debugging, and deployment activities.
• Work in a U.K shift to support international clients and project requirements.

Must-Have Skills

• Strong expertise in Java and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend services.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap for frontend development.
• Solid understanding of design patterns and software architecture.
• Strong debugging, problem-solving, and performance optimization skills.
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• Excellent communication and collaboration abilities.

Key Responsibilities

🖥️ Frontend (Angular)

• Develop responsive, accessible web UI for assessment tools, educator dashboards, and parent reports.
• Implement dynamic form builders and scoring interfaces for multiple domains (reading, writing, math).
• Build PDF report previews, filtering tools, and real-time updates.

🔙 Backend (Python/FastAPI)

• Design and implement APIs for user management, assessments, intervention logs, and reports.
• Integrate scoring logic and data aggregation for AI insights.
• Implement secure role-based access (admin, educator, parent).

🛠️ DevOps / Systems

• Maintain scalable architecture with PostgreSQL / MongoDB, Docker, and deployment pipelines.
• Work with AI engineer to connect ML models to backend for prediction and recommendation layers.
• Optimize performance and ensure data security (GDPR-aligned).

Designation    : Java Developer

Experience      : 3 - 10 Yrs

Location           : Baner, Pune

• Strong at Core Java and OOPs concepts
• Exposure to Spring, Spring Boot and Spring Security

• Exposure to implementation of RESTful APIs
• Exposure to programming using Queues and No SQL database
• Good understanding about JavaScript, JQuery and HTML
• Good understanding about Data Structures and Multithreaded Programming
• Good understanding about Design Patterns

About [24]7.ai

[24]7.ai uses artificial intelligence, human insight, and deep vertical expertise to produce personalized, consistent, and satisfying customer experiences. The company's advanced conversational AI platform, combined with more than 20 years of contact center operational expertise, empowers the world's largest and most recognizable brands to deliver natural, frictionless conversations across all digital and voice channels. For more information, visit http://www.247.ai/">http://www.247.ai.

The Marketing Web Developer is part of [24]7.ai’s Marketing team. You will need to work collaboratively with local team members and others located in Bangalore and Toronto. This resource will be fully responsible for developing and maintaining the 247.ai website so they should be skilled in Drupal 9, HTML5, CSS, JS, Bootstrap, SASS, and possess hands-on experience with Drupal front-end theming, Integration, page development.

Areas of Responsibility

• Technical consultation and development of new pages / templates / modules in Acquia Drupal.
• Add/modify content, scripts, code, UI, modules, media etc. as per [24]7.ai Marketing and Acquia Web guidelines.
• Maintaining database, file system, dev, staging and production environments on Acquia Cloud as per [24]7.ai Marketing & Acquia guidelines.
• Check and apply Drupal security updates/patches as and when available on Drupal.org.
• Support [24]7.ai Web projects and go live/cutover activities.
• Liaise with [24]7.ai Marketing and our Acquia TAM to consult/fix issues that impact the website, and to ensure performance and availability.
• Skilled with SQL database management – from SQL to table manipulation.
• Manages all technical aspects of the CMS and Acquia development environments.
• Performance tuning, broken link fixes and implement SEO technical audits as provided by our SEO vendor.
• Uptime monitoring.
• Project ticketing (for internal tracking).
• 24x7 Emergency support.

Key Competencies

• Full-stack Drupal developer with expertise on Drupal 8 and 9 is required
• 3+ years of experience planning and implementing web projects
• Bachelor and Master Engineering degrees
• Languages: PHP, C, C#, Java, HTML5, CSS, SaaS, JavaScript
• Databases: MYSQL, Oracle
• Operating System: Linux/Abuntu, Windows
• Libraries: JQuery, Angular JS, Bootstrap
• Server side technologies: J2EE, ASP.net, JSP, Apache Solr, Apache
• Source control: SVN, Git, Github
• Must have excellent attention to detail and create clean, organized code as well as document modifications.
• Excellent problem solving and debugging skills.
• Knowledge of web performance optimization techniques.
• Knowledge of web vulnerability prevention methods.
• Experience working with cross-functional teams and receiving feedback from all levels. Work hours are shifted to overlap 2-3 hours with US Pacific Time zone as needed.
• Excellent written and verbal communication skills required.
• Ability to work within a rapidly changing environment, multi-task and prioritize.
• Must be innovative, self-driven, motivated, organized and detail-oriented
• Exhibit a high level of individual initiative.

• Participate with the senior developer in the entire application lifecycle, designing, coding, testing, debugging to deployment.
• Implementing designs and coordinating the frontend development and required backend for it.
• Work on back-end development tasks and designing the architecture for the same.
• Efficient usage of database technologies such as MySQL, MongoDB, ElasticSearch, Redis etc. as part of the dev work.
• Perform research and find opportunities to utilise web development best practices, form guidelines to improve system productivity, and work on scaling and monitoring.
• Work with cross-functional teams to maintain and make sure the product should be scalable, maintainable and secure.
• Coordinate with multiple junior team members for the development of the tasks & projects.

• Bachelor's degree in Computer Science or related field.
• 3+ years of experience working as a Full-stack developer or Backend but knows Frontend technology.
• Proficiency in Javascript Frameworks like React and thorough knowledge in CSS skills is an added advantage.
• Built an application from scratch earlier.
• Strong fundamental knowledge of any backend language such as Python, Java etc.
• Experience with Backend Web development.
• Strong computer science fundamentals.
• The ability to own end to end responsibility - right from the requirement to release.
• Willingness and enthusiasm drive to learn new technologies.
• The ability to pick the right tools for the job.
• Desire and ability to play different roles as necessary.

• Developing user interface components and implementing them following well-known React.js workflow.
• Architect the application out in clean MVC kind of architectures in ReactNative for Android/iOS app development.
• Developing APIs with MVC frameworks in Java / Python.
• Designing and building REST APIs.
• Building on and maintaining services on cloud platforms.
• Build reusable code and libraries for future use.

• Self-motivated, team player, action-and-results oriented.
• Well organised, good communication and reporting skills.
• Ability to successfully work under tight project deadlines.