


Job Responsibilities :
- Work closely with product managers and other cross functional teams to help define, scope and deliver world-class products and high quality features addressing key user needs.
- Translate requirements into system architecture and implement code while considering performance issues of dealing with billions of rows of data and serving millions of API requests every hour.
- Ability to take full ownership of the software development lifecycle from requirement to release.
- Writing and maintaining clear technical documentation enabling other engineers to step in and deliver efficiently.
- Embrace design and code reviews to deliver quality code.
- Play a key role in taking Trendlyne to the next level as a world-class engineering team
-Develop and iterate on best practices for the development team, ensuring adherence through code reviews.
- As part of the core team, you will be working on cutting-edge technologies like AI products, online backtesting, data visualization, and machine learning.
- Develop and maintain scalable, robust backend systems using Python and Django framework.
- Proficient understanding of the performance of web and mobile applications.
- Mentor junior developers and foster skill development within the team.
Job Requirements :
- 2+ years of experience with Python and Django.
- Strong understanding of relational databases like PostgreSQL or MySQL and Redis.
- (Optional) : Experience with web front-end technologies such as JavaScript, HTML, and CSS
Who are we :
Trendlyne, is a Series-A products startup in the financial markets space with cutting-edge analytics products aimed at businesses in stock markets and mutual funds.
Our founders are IIT + IIM graduates, with strong tech, analytics, and marketing experience. We have top finance and management experts on the Board of Directors.
What do we do :
We build powerful analytics products in the stock market space that are best in class. Organic growth in B2B and B2C products have already made the company profitable. We deliver 900 million+ APIs every month to B2B customers. Trendlyne analytics deals with 100s of millions rows of data to generate insights, scores, and visualizations which are an industry benchmark.

About Trendlyne Technologies
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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. 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 Internship Position
We are looking for a motivated Backend Development Intern to join our innovative team. As an intern at koolio.ai, you’ll have the opportunity to work on a next-gen AI-powered platform and gain hands-on experience developing and optimizing backend systems that power our platform. This internship is ideal for students or recent graduates who are passionate about backend technologies and eager to learn in a dynamic, fast-paced startup environment.
Key Responsibilities:
- Assist in the development and maintenance of backend systems and APIs.
- Write reusable, testable, and efficient code to support scalable web applications.
- Work with cloud services and server-side technologies to manage data and optimize performance.
- Troubleshoot and debug existing backend systems, ensuring reliability and performance.
- Collaborate with cross-functional teams to integrate frontend features with backend logic.
Requirements and Skills:
- Education: Currently pursuing or recently completed a degree in Computer Science, Engineering, or a related field.
- Technical Skills:
- Good understanding of server-side technologies like Python
- Familiarity with REST APIs and database systems (e.g., MySQL, PostgreSQL, or NoSQL databases).
- Exposure to cloud platforms like AWS, Google Cloud, or Azure is a plus.
- Knowledge of version control systems such as Git.
- Soft Skills:
- Eagerness to learn and adapt in a fast-paced environment.
- Strong problem-solving and critical-thinking skills.
- Effective communication and teamwork capabilities.
- Other Skills: Familiarity with CI/CD pipelines and basic knowledge of containerization (e.g., Docker) is a bonus.
Why Join Us?
- Gain real-world experience working on a cutting-edge platform.
- Work alongside a talented and passionate team committed to innovation.
- Receive mentorship and guidance from industry experts.
- Opportunity to transition to a full-time role based on performance and company needs.
This internship is an excellent opportunity to kickstart your career in backend development, build critical skills, and contribute to a product that has a real-world impact.


Solution Oriented Mindset
- Assist project in all technical aspects of tooling and DevOps
- Proactively lead tools new versions release cycle and documentation
- Proactively identify risks related to application /deliverables and propose a mitigation plan
- Provide custom solutions as per customer requirements
Autonomy & Problem Solving Mindset
- Work in complete autonomy to deliver project deliverables, for advanced technical deliverables, with required level of quality
- Must have troubleshooting skills
Agile Mindset
- Contribute to improvement of internal process, tooling, and quality process
- Design, build and collect technical materials as part of project executions in a spirit of reusability for future engagements and maintain knowledge on best practices, tools, and reusable components for CAST analysis


- Conducting analysis of website and application requirements.
- Writing back-end code and building efficient PHP modules.
- Developing back-end portals with an optimized database.
- Troubleshooting application and code issues.
- Integrating data storage solutions.
- Responding to integration requests from front-end developers.
- Finalizing back-end features and testing web applications.
- Updating and altering application features to enhance performance.
PHP Developer Requirements:
- Bachelor’s degree in computer science or a similar field.
- Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
- Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
- Understanding of object-oriented PHP programming.
- Previous experience creating scalable applications.
- Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
- Familiarity with SQL/NoSQL databases.
- Ability to project manage.
- Good problem-solving skills.

a. Expert in Core PHP & OOP Concepts
b. Medium in Mysql DB
c. Expert in HTML & JS/Jquery
d. Knowledge on CSS id preferred
e. Experience on any one of the MVC framework is mandatory

- Experience building user interfaces for websites and/or web applications
- Extremely fluent with HTML5/XHTML and CSS
- Experience working with PHP, JavaScript, and jQuery
- Ability to write JavaScript with and without the use of frameworks such as jQuery
- Experience designing and developing responsive design websites
- Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
- Ability to understand CSS changes to have consistent style across platforms and browsers
- Ability to convert comprehensive layout and wireframes into working HTML pages
- Experience developing web solutions in Drupal and PHP implementations in a LAMP environment
- Ability to architect enterprise Drupal solutions including data, display, and information architecture
- Advanced site-building experience including deep familiarity with Drupal modules such as CTools, Views, and Panels
- Experience creating custom Drupal modules, SMS integration
- Experience building responsive websites using Drupal CMS, HTML/HTML5, CSS/CSS3, and JavaScript/jQuery
- Knowledge of PHP, PHP files and theme functions, and knowledge of the Drupal theme layer

• Build out our web architecture allowing new feature modules to be sent to production, while having
strategic foresight on long term product vision.
• Software development project management from transforming requirements into technical specifications,
design, code, and tested systems.
• Closely involved in development life cycle right from concept stage to delivery and post- launch support.
• Keep abreast of new trends and best practices in web development and explore new technologies.
• Document the development process, architecture, and standard components.
• Coordinate with co-developers and actively participate in code reviews , bug fixing code /architecture.
• Brainstorm and solve problems and put effort in constant improvement in technical front .
• Perform frequent peer reviews.
• Participate actively in demos / S&T.
• Share knowledge through collaboration, training, peer review, presentations, and articles.
• Track record of delivering in Scrum, Agile and other methodologies.
• Proficiency in establishing processes and tools to enable team productivity when developing websites
(version control, automatic build, code review).
• Strong verbal and written communication skills and cognitive ability.
• Contribute towards a positive healthy fun and creativity driven culture.
Must Have:
• Strong aptitude towards problem solving with a hacker mindset.
• Should have infinite love towards Linux and respect open-source development.
• Should have sound knowledge of core PHP, MVC Frameworks Laravel preferred.
• Familiarity with limitations of PHP as a platform and its workarounds.
• Should be excellent in SQL/NoSql database (Surprise us we are constantly pushing out DB architecture).
• Basic Knowledge of Frontend Technologies to easily communicate in terms of Front end Lingos.
• Experience with Agile development methodologies.
• Experience in building high secure components, encryption techniques.
• Experience in building event based and queue based Infrastructure.
• Experience with multi-tier system and service design and development for large scale systems.
• Extensive, real-world experience designing technology components for enterprise solutions and defining
solution architectures and reference architectures with a focus on cloud technologies.
• Passion for best design and coding practices and a desire to develop new bold kickass ideas.
• Experience with caching and scaling techniques.
• Experience with cloud infrastructure is must AWS/GCP/DO.
• Good to have experience with any tool such as Jenkins, Gitlab Devops building pipelines, CI/CD automation.
• Eager to learn new languages and experiment / explore new technologies.




