
Job Description:
§ Understanding client requirements & functional specifications.
§ Developing and maintaining dynamic websites and web applications.
§ Ensuring fool proof performance of the deliverable.
§ Coordinating with co-developers and other related departments.
§ Sending regular updated about the project status
Desired Candidate Profile:
· Proficient knowledge of a back-end programming language - one or more from Python, JavaScript, NodeJS
· Proficient knowledge of back-end server frameworks - Flask
· Proficient knowledge in handling any from JSON, XML & YAML
· Databases: MongoDB
· Proficient In configuring backend in Nginx Server
· Experience in building the API services from scratch - Project structuring, setting up environment objects, build reusable components, etc,
· IDE: Visual Studio Code, PyCharm Notepad++.
· Should have excellent written & oral communication skills (English)
· Must have the capacity to work independently and also as a part of a team

About Devrabbit It Solutions Pvt LTD
About
Connect with the team
Similar jobs
The requirements are as follows:
1) Familiar with the the Django REST API Framework.
2) Experience with the FAST API framework will be a plus
3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )
4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus
5) Experience with any ML library will be a plus.
6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.
7) Familiar with basic code patterns like MVC.
8) Grasp on basic data structures.
You can contact me on nine three one six one two zero one three two
About koolio.ai
Website: www.koolio.ai
koolio Inc. is a cutting-edge Silicon Valley startup dedicated to transforming how stories are told through audio. Our mission is to democratize audio content creation by empowering individuals and businesses to effortlessly produce high-quality, professional-grade content. Leveraging AI and intuitive web-based tools, koolio.ai enables creators to craft, edit, and distribute audio content—from storytelling to educational materials, brand marketing, and beyond—easily. We are passionate about helping people and organizations share their voices, fostering creativity, collaboration, and engaging storytelling for a wide range of use cases.
About the Full-Time Position
We are seeking a Junior Backend Engineer (Fresher) to join our team on a full-time, hybrid basis. This role is ideal for motivated recent graduates eager to gain hands-on experience in backend development. Working closely with senior engineers, you’ll play a vital role in enhancing koolio.ai’s backend infrastructure, focusing on building, maintaining, and optimizing server-side applications and APIs. This is a unique opportunity to grow within an innovative environment that values creativity and technical excellence.
Key Responsibilities:
- Assist in developing and maintaining backend services and APIs, ensuring stability, scalability, and performance
- Collaborate with the frontend and QA teams to ensure seamless integration of backend systems with user-facing features
- Help troubleshoot and resolve backend issues, working alongside senior developers to enhance system reliability
- Participate in code reviews, learning best practices and contributing to maintaining high code quality standards
- Support in monitoring and improving backend performance metrics
- Document processes, code, and system architecture under guidance to ensure comprehensive, up-to-date technical resources
Requirements and Skills:
- Education: Degree in Computer Science or a related field
- Work Experience: No prior work experience required; internships or academic projects related to backend development are a plus
- Technical Skills:
- Basic understanding of backend systems and APIs
- Working experience in Python
- Familiarity with basic version control systems like Git
- Knowledge of databases (e.g., MySQL, MongoDB) and basic proficiency in SQL
- Understanding of cloud platforms or services like Google Cloud is an advantage
- Soft Skills:
- Eagerness to learn and apply new technologies in a fast-paced environment
- Strong analytical and problem-solving skills
- Excellent attention to detail and a proactive mindset
- Ability to communicate effectively and work in a collaborative, remote team
- Other Skills:
- Familiarity with basic DevOps practices or interest in learning is beneficial
Compensation and Benefits:
- Total Yearly Compensation: ₹4.5-6 LPA based on skills and experience
- Health Insurance: Comprehensive health coverage provided by the company
Why Join Us?
- Be a part of a passionate and visionary team at the forefront of audio content creation
- Work on an exciting, evolving product that is reshaping the way audio content is created and consumed
- Thrive in a fast-moving, self-learning startup environment that values innovation, adaptability, and continuous improvement
- Enjoy the flexibility of a full-time hybrid position with opportunities to grow professionally and expand your skills
- Collaborate with talented professionals from around the world, contributing to a product that has a real-world impact
- Experience in Python
- Experience in any Framework like Django, and Flask.
- Primary and Secondary skills - Python, OOPs and Data Structure
- Good understanding of Rest Api
- Familiarity with event-driven programming in Python
- Good analytical and troubleshooting skills
Shift timings : Afternoon
Job Summary
We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.
Key Responsibilities
● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.
● Migrate the legacy system to Spring Boot while ensuring minimal downtime.
● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.
● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).
● Handle XML file generation, email integrations, and REST API maintenance.
● Database management (SQL Server) including query optimization and schema updates.
● Collaborate with teams to ensure smooth transitions during migration.
● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.
● Document migration steps, deployment processes, and system architecture.
Required Skills & Qualifications
● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.
● Strong expertise in Spring Boot (migration experience from legacy Java is a must).
● Experience with Payara/GlassFish server management and deployment.
● Proficient in Apache, Ansible, and shell scripting (deployer.sh).
● Solid knowledge of SQL Server (queries, stored procedures, optimization).
● Familiarity with XML processing, email integrations, and Maven builds.
● Experience in production deployments, server troubleshooting, and performance tuning.
● Ability to work independently and lead migration efforts.
Preferred Skills
● Knowledge of microservices architecture (helpful for modernization).
● Familiarity with cloud platforms (AWS/Azure) is a plus.
- 6+ years of experience with expertise in Django CMS, Python, REST framework, AI framework
- MySQL Db usage, SQL queries
- Experience in using scraping tools.
- Microservices
- Docker and Kubernetes hands-on experience
- AWS Redis cache integration
- Deployment on AWS cloud, auto-scale
- Work will be rotational Shifts/ UK Shift
- Must be flexible to work on weekends/stretch for some hours
Job Description: Core Java Developer
Company: Mobile Programming LLC
Location: Pune (Remote work available)
Salary: Up to 16 LPA
Position: Core Java Developer
Responsibilities:
- Design, develop, and maintain Java-based applications using Core Java and Spring Boot frameworks.
- Collaborate with cross-functional teams to deliver high-quality software solutions.
- Conduct code reviews and troubleshoot/debug complex issues.
- Optimize application performance and stay updated with industry trends.
Requirements:
- Minimum 6 years of hands-on Core Java development experience.
- Strong proficiency in Spring Boot framework.
- Solid understanding of OOP principles, web development (HTML/CSS/JavaScript), RESTful web services, and SQL.
- Experience with Git and problem-solving skills.
- Excellent communication skills and ability to work independently and as part of a team.
- Bachelor's or Master's degree in Computer Science or a related field.
Note: Immediate joiners required. Please include your resume and relevant code samples/projects when applying.
- Familiar with UI layouts, SASS, bootstrap, and the CSS GRID system
-High levelof experience working in Node JS
- Proficient with JavaScript frameworks such as jQuery, Angular et al
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console
- Passionate to create good design and usability
- A team player with good communication skills
- Experience with React is an added advantage
1. 3+ years of experience in web development
2. Minimum 2+ years’ experience in Node JS
3. databases-MongoDB
Good to have
- Kubernetes & Dockers and experience with Cloud service APIs (e.g., GCP) are desirable.
- Github CI/CD experience
- Experience in the Real Estate will be a plus
Responsibilities
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Integration of user-facing elements developed by front-end developers with server-side logic
Implementation of security and data protection
Skills And Qualifications
Developing an end-to-end application with the latest technologies like python, Django, MySQL and using Python Libraries like Sympy, Numpy, Scipy.
Working with front-end web development technologies like HTML, CSS, Bootstrap, JavaScript, Ajax, Jquery, etc.
Analyze and customize the source code as per business requirements.
Integrate the day-to-day develop code with a version control tool (we use git and GitHub)
Co-ordinate in development, deployment activities.
Expert in Python, with knowledge of at least one Python web framework (such as Django, Flask, etc depending on your technology stack)
Familiarity with some ORM (Object Relational Mapper) libraries
Able to integrate multiple data sources and databases into one system
Understanding of the threading limitations of Python, and multi-process architecture
Good understanding of server-side templating languages (such as Jinja 2, Mako, etc depending on your technology stack)
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
Understanding of accessibility and security compliance (depending on the specific project)
Knowledge of user authentication and authorization between multiple systems, servers, and environments
Understanding of fundamental design principles behind a scalable application
Familiarity with event-driven programming in Python
Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
Able to create database schemas that represent and support business processes
Strong unit test and debugging skills
Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)

- Relevant industry experience in developing performant and scalable backend systems using Node.js.
- Solid understanding of Core Computer Science, Systems Design and Data Structures & Algorithms.
- Knowledge and experience in the best practices of design and architecture.
- Experience in developing extensible and scalable solutions.
- Experience in implementing automatic assessments associated with the front-end layer, both integration and unit.
- A love for beautiful, clean and maintainable code.









