Chtrbox
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MongoDB
Amazon Web Services (AWS)
NextJs (Next.js)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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
NextJs (Next.js)
React.js
React Native
tailwindcssFrontend Engineer (Next.js / React / TypeScript)
Position Summary
We are seeking a Frontend Engineer with deep expertise in Next.js, React, and TypeScript to join our growing engineering team. The ideal candidate will have experience building scalable, modern web applications, with strong knowledge of Tailwind CSS for styling and proficiency in integrating with MongoDB backends and AI/LLM APIs (e.g., OpenAI). You will work closely with backend engineers and AI specialists to build seamless user interfaces that power cutting-edge AI-driven applications.
Key Responsibilities
- Develop, optimize, and maintain frontend features using Next.js, React, and TypeScript.
- Implement responsive and scalable UI components with Tailwind CSS.
- Integrate with backend APIs built on MongoDB and other data sources.
- Work with AI/LLM APIs (OpenAI, LangChain, etc.) to deliver intelligent, context-aware features.
- Collaborate with backend and AI engineers to ensure efficient data flow and optimal performance.
- Write clean, reusable, and testable code with strong attention to detail.
- Participate in code reviews, sprint planning, and product design discussions.
Required Skills/Qualifications
- Strong proficiency with Next.js, React, and TypeScript.
- Experience with Tailwind CSS and modern component-based UI development.
- Familiarity with integrating MongoDB backends into frontend applications.
- Experience consuming AI APIs (OpenAI, HuggingFace, etc.).
- Understanding of REST and GraphQL API consumption.
- Strong problem-solving skills, debugging, and optimization techniques.
- Excellent collaboration and communication skills.
Preferred Skills/Experience
- Experience with SSR (Server-Side Rendering) and ISR (Incremental Static Regeneration) in Next.js.
- Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
- Exposure to vector databases or AI-driven UI personalization.
- Prior experience working in a SaaS or data-heavy application environment.
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Appknox, a leading mobile app security solution HQ in Singapore & Bangalore was founded by Harshit Agarwal and Subho Halder.
Since its inception, Appknox has become one of the go-to security solutions with the most powerful plug-and-play security platform, enabling security researchers, developers, and enterprises to build safe and secure mobile ecosystems using a system-plus human approach.
Appknox offers VA+PT solutions ( Vulnerability Assessment + Penetration Testing ) that provide end-to-end mobile application security and testing strategies to Fortune 500, SMB and Large Enterprises Globally helping businesses and mobile developers make their mobile apps more secure, thus not only enhancing protection for their customers but also for their own brand.
During the course of 9 years, Appknox has scaled up to work with some major brands in India, South-East Asia, Middle-East, Japan, and the US and has also successfully enabled some of the top government agencies with its On-Premise deployments & compliance testing. Appknox helps 500+ Enterprises which includes 20+ Fortune 1000 and ministries/regulators across 10+ countries and some of the top banks across 20+ countries.
A champion of Value SaaS, with its customer and security-first approach Appknox has won many awards and recognitions from G2, and Gartner and is one of the top mobile app security vendors in its 2021 Application security Hype Cycle report.
Our forward-leaning, pioneering spirit is backed by SeedPlus, JFDI Asia, Microsoft Ventures, and Cisco Launchpad and a legacy of expertise that began at the dawn of 2014.
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The Story
Founded in 2011, Poshmark started with a simple yet powerful idea in Manish Chandra's garage. Along with co-founders Tracy Sun, Gautam Golwala, and Chetan Pungaliya, Chandra envisioned a platform that would revolutionize how people buy and sell fashion. The inspiration came from seeing the potential of the iPhone 4 to create meaningful connections in the shopping experience.
What They Do
Poshmark is not just another e-commerce platform – it's a social marketplace that brings together shopping and community. Think of it as a place where social media meets shopping, allowing users to buy, sell, and discover fashion, home goods, and accessories. With over 80 million users , the platform has become a go-to destination for both casual sellers and entrepreneurial individuals looking to build their own digital boutiques.
Growth & Achievements
- Started as a fashion-only platform and successfully expanded into home goods and electronics
- Raised over $160 million in venture funding
- Achieved a successful IPO in January 2021
- Recently launched innovative features like AI-powered visual search and livestream shopping
- Built a vibrant community of millions of buyers and sellers across the country
Today, under CEO Manish Chandra's leadership, Poshmark continues to innovate in the social commerce space, blending technology with community to create a unique shopping experience. The platform's success story is a testament to how combining social connections with commerce can create a powerful marketplace that resonates with modern consumers.
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Profit Labs aims to help ecommerce entrepreneurs in generating massive revenues by aiming to create useful apps on Shopify Platform.
Profit labs was founded 4 years back and is a bootstrapped company, Our Vision is to create tech solutions for brands to grow revenue and profit. We offer a diverse range of cutting-edge apps designed to optimize brand success. We understand the unique challenges faced by Shopify entrepreneurs, and we are dedicated to providing top-tier applications that address these pain points head-on.
Check out our apps on the Shopify store -
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Our plans for the next few years is to capitalize on our strengths and create new solutions from our deep understanding of how high volume stores operate.
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Building the most advanced ad blocker on the planet!🌎
Loved by 3,50,000+ users on Chrome!
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