NodeJS Developer

Backend Engineer (MongoDB / API Integrations / AWS / Vectorization)

Position Summary

We are hiring a Backend Engineer with expertise in MongoDB, data vectorization, and advanced AI/LLM integrations. The ideal candidate will have hands-on experience developing backend systems that power intelligent data-driven applications, including robust API integrations with major social media platforms (Meta, Instagram, Facebook, with expansion to TikTok, Snapchat, etc.). In addition, this role requires deep AWS experience (Lambda, S3, EventBridge) to manage serverless workflows, automate cron jobs, and execute both scheduled and manual data pulls. You will collaborate closely with frontend developers and AI engineers to deliver scalable, resilient APIs that power our platform.

Key Responsibilities

• Design, implement, and maintain backend services with MongoDB and scalable data models.
• Build pipelines to vectorize data for retrieval-augmented generation (RAG) and other AI-driven features.
• Develop robust API integrations with major social platforms (Meta, Instagram Graph API, Facebook API; expand to TikTok, Snapchat, etc.).
• Implement and maintain AWS Lambda serverless functions for scalable backend processes.
• Use AWS EventBridge to schedule cron jobs and manage event-driven workflows.
• Leverage AWS S3 for structured and unstructured data storage, retrieval, and processing.
• Build workflows for manual and automated data pulls from external APIs.
• Optimize backend systems for performance, scalability, and reliability at high data volumes.
• Collaborate with frontend engineers to ensure smooth integration into Next.js applications.
• Ensure security, compliance, and best practices in API authentication (OAuth, tokens, etc.).
• Contribute to architecture planning, documentation, and system design reviews.

Required Skills/Qualifications

• Strong expertise with MongoDB (including Atlas) and schema design.
• Experience with data vectorization and embeddings (OpenAI, Pinecone, MongoDB Atlas Vector Search, etc.).
• Proven track record of social media API integrations (Meta, Instagram, Facebook; additional platforms a plus).
• Proficiency in Node.js, Python, or other backend languages for API development.
• Deep understanding of AWS services:
• Lambda for serverless functions.
• S3 for structured/unstructured data storage.
• EventBridge for cron jobs, scheduled tasks, and event-driven workflows.
• Strong understanding of REST and GraphQL API design.
• Experience with data optimization, caching, and large-scale API performance.

Preferred Skills/Experience

• Experience with real-time data pipelines (Kafka, Kinesis, or similar).
• Familiarity with CI/CD pipelines and automated deployments on AWS.
• Knowledge of serverless architecture best practices.
• Background in SaaS platform development or data analytics systems.

Company Profile:

Livello India Private Limited is a start up company with its parent company based in Germany in the city of Dusseldorf. We started in the year 2016 with a vision to create revolution in the domain of retail technology to automate and simplify the shopping experience of our customers. We have started our R&D division in India with a vision to strengthen and expand our R&D team to come up with the products that will make the shopping experience of our customers fast and hassle free. Our expertise consists of fullstack, IoT,cloud, data science, computer vision, embedded systems, test automation, electronics and mechanical engineering.

For more information, please visit our website https://www.livello.com/technologies?lang=en

Tasks:

· You will take part in the design of the architecture and the development of modern software-based applications in the back-end (Node.JS &TypeScript)

· You support the technological conception, programming and implementation of new features

· You help manage IoT-to-Cloud services, Microservices and GCP

· Experience of working with MongoDB

Mandatory Requirements:

· Bachelor or Master student in an IT-related field of study

· 3-4 Years of Experience in Backend along with Software Deployment

· Ability to holistically conceive applications in multiple technologies in the backend

· Experience with Node.JS, TypeScript and Mongo DB.

· Hands on exposure to cloud infrastructure (GCP/AWS/Azure)

Nice to Have:

· Experience with GraphQL, Nest.JS, Docker and Kubernetes

· Understanding of IoT device management and message brokers like AMQP or MQTT

· Good to have DevOps experience

· Exposure to Agile Scrum Framework

Benefits:

· A responsible position in a fast-growing and highly innovative start-up

· An agile and diverse team with colleagues from all over the world

· English speaking open work environment, with flat hierarchies and short decision-making paths

· Advanced technology stack leveraging cutting-edge IoT hardware and software

· Creative freedom for own ideas, projects and personal development

· Team building, learning and start-up events

· Opportunity for diversifying your technical learning.

• Clarify feature requirements with product team
• Design end to end feature flow
• Write scalable and bug free code
• Take care of test and deployment pipeline
• Maintaining the existing products

• Must have experience with any scripting language (Javascript/NodeJS preferred)
• Experience with API-driven and highly scalable application is a plus
• Good knowledge of non relational DB (MongoDB preferred)
• Good with data structure and algorithms
• Good to have an experience with testing framework and CI/CD pipeline

• 2+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

We are looking for a Backend Developer who has hands-on experience in coding, building technology blocks, help answer choice of certain platform/tech over others, help the team visualise the product with the available resources and assets. 

What you’ll do:

• Design, develop, and test functionality for the latest app design.
• Support the entire application lifecycle (concept, design, test, release, and support).
• Collaborate with cross-functional teams to define, design, and develop new features.
• Take requirements and specs from design to development and be the first line of quality assurance.
• Understand user requirements—these apps have to meet real-world scenarios.
• Support the Supersub Mobile application in its entirety, including working on bug fixes and improving application performance, reliability and stability.
• Continuously discover, evaluate, and implement new technologies to maximise development efficiency.

What you bring:

• 3+ years of experience in building Java, Node JS applications. 
• Experience in Building Robust REST APIs Using MEAN or MERN Stack. 
• Good programming skills, with the ability to Perform UI testing, Debugging Taking the ownership of the complete lifecycle of a product. 
• Solid experience with Unit Testing. 
• In-depth understanding of the entire web development process (design, development, and deployment) 
• Experience with deploying the code in AWS or AZURE is a plus. 
• Ability to write clean code and document the same to develop functional APIs and Admin Panel. 

Proven work experience in building a product is a plus. And the candidate must have an Engineering CS background. 

About Alore

Alore brings revenue velocity to businesses by being their dependable growth operating system.

For further information on what Alore can do for growing businesses, please visit http://alore.io">alore.io

Alore is based out of Singapore with an office at Bangalore.

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience
• If you have never worked in a product-led company

CTC:

8.5-10.5 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule) (We do ZERO deductions since the salary will be paid from Singapore)

At this position you will:

• Get solid experience with high-load distributed architecture using REST and Kafka services.
• Work with automated CI/CD processes, AWS cloud, and VoIP.
• Implement and support microservices based on Spring MVC, Camel, MySQL, Mongo, and Kafka.

Requirement

• At least 1 year of experience with Java Core, Java EE, Spring Core, Spring Boot.
• Not more than 3 years of experience in Java Core, Java EE, Spring Core, Spring Boot.
• Deep understanding of SQL database technologies.
• Experience with Scrum / Agile methodology.
• Willingness to learn and explore new technologies.
• Git: merge, rebase, cherry-pick should be fluent.
• Good level of English B1 or higher.

It would be a nice bonus to have:

• Experience with distributed architecture.

• Hands-on experience with Kafka, MongoDB, and Apache Camel.

• Experience with cloud infrastructure (AWS, Google Cloud, Azure, Heroku, etc.).

• Experience with client-side development (we use Angular8 for website).

• A degree in computer science.