Recommendation Algorithm Engineer / ML Backend Engineer at Shuling technology · Remote only · 3 - 8 years · ₹30L - ₹40L / yr · Bootstrapped · Remote only · Posted 31 Jul 2026

Design and implement an event-level media recommendation engine.
Build candidate recall based on event, venue, time phase, GPS range, media status, and audience type.
Implement visual similarity recall using image embeddings such as SigLIP.
Work with vector search engines such as Qdrant.
Design ranking scores based on freshness, geo distance, event phase, image quality, popularity, and user behavior.
Build recommendation logs for impression, click, dwell time, like, save, share, download, and group join.
Help design attribution analysis and feedback loops for continuous recommendation improvement.
Integrate the recommendation service with our Node.js backend and Flutter app.
Build APIs for feed ranking, similar media search, media upsert, and interaction tracking.
Help us move from rule-based ranking to data-driven ranking as usage grows.

About Shuling technology
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Required Skills
Backend (40%)
- Strong experience in Java 8/11/17
- Hands-on experience with Spring Boot
- Good knowledge of Microservices Architecture
- Experience in developing and consuming REST APIs
- Familiarity with Spring Data JPA/Hibernate
- Understanding of authentication mechanisms such as JWT/OAuth
- Experience with SQL databases (MySQL, PostgreSQL, Oracle, etc.)
- Knowledge of Git, Maven/Gradle, and CI/CD practices is preferred
Frontend (60%)
- Strong experience in Angular (v10 or above preferred)
- Proficiency in TypeScript, HTML5, CSS3, JavaScript
- Experience with Angular Components, Services, Routing, RxJS, Forms, and State Management
- Knowledge of responsive UI development and REST API integration
- Experience with Angular Material or Bootstrap is an advantage
Responsibilities
- Develop and maintain scalable web applications using Java and Angular.
- Design and implement RESTful APIs using Spring Boot and Microservices.
- Build responsive and user-friendly interfaces using Angular.
- Collaborate with cross-functional teams to design, develop, test, and deploy applications.
- Troubleshoot, optimize, and enhance application performance.
- Participate in code reviews and follow coding standards and best practices.
Preferred Skills
- Experience with Docker and Kubernetes.
- Exposure to cloud platforms such as AWS, Azure, or GCP.
- Knowledge of Agile/Scrum methodologies.
- Familiarity with SonarQube, Jenkins, or other DevOps tools.
Skill Split
- Java, Spring Boot & Microservices: 40%
- Angular: 60%
Job Title : Full Stack Engineer
Location : New Delhi
Job Type : Full-Time
About the Role :
We are seeking a passionate Full Stack Engineer who enjoys building scalable, high-performance applications across web and mobile platforms.
This role is ideal for someone eager to work in a fast-paced startup environment, contributing across the full development lifecycle.
Mandatory Skills :
React.js, Next.js, React Native, Node.js, Express.js, PostgreSQL, AWS (EC2/S3/RDS/IAM), RESTful APIs.
Key Responsibilities :
- Design, build, and maintain scalable applications for web and mobile.
- Translate UI/UX wireframes into efficient, reusable, and maintainable code.
- Optimize applications for maximum performance, scalability, and reliability.
- Work on both front-end and back-end development using modern frameworks.
- Participate in code reviews, debugging, testing, and deployment.
- Collaborate with cross-functional teams to deliver high-quality products.
Requirements :
- Experience : 1+ years of software development (internships + full-time combined acceptable).
- Frontend Skills : React.js, Next.js, React Native.
- Backend Skills : Node.js, Express.js, RESTful APIs.
- Database : Strong knowledge of PostgreSQL.
- Cloud : Exposure to AWS services (EC2, Elastic Beanstalk, RDS, S3, ElasticCache, IAM).
- Additional : Experience with Redis and BullMQ is a strong plus.
- Strong debugging, problem-solving, and analytical skills.
- Enthusiasm for working in a dynamic startup environment.
Key Responsibilities:
- Minimum of 3 years of experience in Microservices architecture and Java, with a good understanding of design patterns and the Spring Boot framework, with the ability to collaborate effectively with team members and build positive working relationships.
- Design and build and deploy APIs to meet business requirements.
- High level of commitment to business satisfaction and agility.
- Strong work ethic and a passion for the role, with a positive attitude and a willingness to learn.
- Communicate effectively with the tech lead to thoroughly understand the requirements and highlight any blockers immediately.
- Handle programming and software development, including requirement gathering, bug fixing, testing, documenting, and implementation.
- Work in an agile environment to deliver high-quality solutions.
- Understand and implement Security, Logging, Auditing, Policy Management, and Performance Monitoring.
- Familiarity with relational databases (E.g.: Oracle), non-relational databases (E.g.: MongoDB), MSK Kafka, Docker, Kubernetes, and CICD Technologies (Jenkins, GitHub, Maven)
Qualification- Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA)
Post-Graduation: Master of Science (M.Sc) /Master of Technology (M.Tech) / Master of Computer Applications (MCA)
LogiNext is looking for a technically savvy and passionate Junior DevOps Engineer to cater to the development and operations efforts in product. You will choose and deploy tools and technologies to build and support a robust and scalable infrastructure.
Knowledge in building secure, high-performing and scalable infrastructure. Experience to automate and streamline the development operations and processes. You are a master in troubleshooting and resolving issues in non-production and production environments.
Responsibilities:
Scale and optimise a variety of SQL and NoSQL databases, web servers, application frameworks, caches, and distributed messaging systems Automate the deployment and configuration of the virtualized infrastructure and the entire software stack Support several Linux servers running our SaaS platform stack on AWS, Azure, GCP Define and build processes to identify performance bottlenecks and scaling pitfalls Manage robust monitoring and alerting infrastructure Explore new tools to improve development operations
Requirements:
Bachelor’s degree in Computer Science, Information Technology or a related field 0 to 1 years of experience in designing and maintaining high volume and scalable micro-services architecture on cloud infrastructure Knowledge in Linux/Unix Administration and Python/Shell Scripting Experience working with cloud platforms like AWS (EC2, ELB, S3, Auto-scaling, VPC, Lambda), GCP, Azure Knowledge in deployment automation, Continuous Integration and Continuous Deployment (Jenkins, Maven, Puppet, Chef, GitLab) and monitoring tools like Zabbix, Cloud Watch Monitoring, Nagios Knowledge of Java Virtual Machines, Apache Tomcat, Nginx, Apache Kafka, Microservices architecture, Caching mechanisms Experience in enterprise application development, maintenance and operations Knowledge of best practices and IT operations in an always-up, always-available service Excellent written and oral communication skills, judgment and decision-making skills
Description:
Looking for a great JavaScript developer who is proficient with React.js. primary focus will
be on developing user interface components and implementing them following well-known
React.js workflows with Redux.
Requirements:
Experience with web technologies (REACT, REDUX, AJAX, SCSS/LESS/CSS,
Hooks,HTML)
Excellent conceptual understanding of DOM, JavaScript, HTML/CSS and cross browser
rendering, behavior and performance. The candidate should have high level knowledge
on user experience, asset loading, browser rendering, responsive design, state
management, JavaScript asynchronous patterns, request handling, partial page updates, and REST APIs
with AJAX
Experience implementing static typing in JavaScript (Babel, Typescript)
Familiar with TDD practices. Comfortable with Jest, Jasmine, Cypress, Webdriver.io,
and other automation frameworks to develop and keep the test suite up to date.
Familiarity with front-end build/publish tools, such as npm. Grunt/Gulp.js, Webpack,
browserify.js
Proficient understanding of code versioning tools, such as GIT.
To build the relationship with customers and explain about product
It's an Ed. Tech company authorized by the government of India and knowledge partner of NSDC
Strong fundamentals in OOPS, RDBMS, Data structures, and Design patterns
Experience in any SQL database (Preferably SQL Server)
Ability to write clean code
Ability to write automated unit tests using frameworks such as NUnit, Mock, etc.
Ability to communicate and articulate clearly and work collaboratively in an agile team
Experience with code repositories like git
Ability to communicate and articulate clearly and work collaboratively in an agile team
Responsible for selling software and hardware products.
Progress qualified opportunities to quotation and close sales
Order fulfilment, Payment follow up
Customer relationship management
Required Candidate profile
Good English communication requiredSix months IT Industry experience is compulsory
MBA graduate fresher can also apply
Leena AI has been founded by IIT Delhi alumnus and senior industry veterans with the mantra to "Improve Employee Experience through Intelligent Conversations”.
Leena AI provides an end to end Chatbot to better the employee/candidate experience & product longevity using our capabilities in HR Chatbot. This solution ensures a reduction in query handling time for HR & improves the employee experience. Apart from this we also have out of the box modules which take care of real-time status updates for employee queries about Workday, improve employee on-boarding and exit process along with simplifying employee-manager's self-service process in the organization. We enable out of the box integration with Workday, Microsoft AD, Kronos and SharePoint for providing a superior experience to employees over the Chatbot.
At Leena AI, We are looking for a passionate Lead Front-End Developer who is proficient with React.js. You will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality products are important.
Responsibilities:
As a Lead Front-End Developer you would be responsible for:
- Leading a team, Collaborate with team to deploy and continuously improve our solutions
- Developing new user-facing features using React.js.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high quality and pixel perfect code.
- Optimising components for maximum performance across a vast array of web-capable devices and browsers.
- And everything that a coder does.
- Strong proficiency in JavaScript, including DOM manipulation and theJavaScript object model.
- Thorough understanding of React.js and Redux its core principles.
- Familiarity with newer specifications of ECMA Script is a plus.
- Familiarity with RESTful APIs.Knowledge of modern authorisation mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
- Lead a product (would be a plus)
- Have managed a team before
* Should have Inbound & Outbound Calling experience of minimum 6 months.
* Who is extremely good in communication (Written as well as Verbal).
* Who can speak Tamil Language (Mandatory).
* Who can make cold calls to customer.
* Handle both Outbound/Inbound calls.
* Can be on Phone for a long time and familiar using Dialer Systems.
* Must have decent typing speed (At least 20 WPM).
Graduate Fresher's who can speak Tamil can also apply .
Interested Candidates can send their updated CV.












