Senior Back End Developer

Job Title: Sr. Backend Developer Department: Tech Location: Gurgaon Job Band M2

Job Description

Tagbin Services Pvt. Ltd.

Company Profile

Tagbin is an experience-driven technology service company established in 2013 by IIT Roorkee Alumni, to design and engineer digital experiences for Government and various Industries.

We develop experiential and interactive digital museums, enriched by virtual, kinetic installations, including the magic of 360-degree immersive experiences. We have expertise in developing futuristic cultural theme parks, experience centers, and cultural-historical centers with a smart blend of creativity and technology. Preserving our rich cultural heritage, our innovative projects also include interesting and entertaining projection mapping shows, drone shows, light and sound shows, water projection, and the magical experience of immersive Augmented Reality buses.

Embracing the trinity of knowledge, art, and technology, we work meticulously to create well-researched content, which is prudently translated into exclusive pieces of creativity and presented through the most modern and captivating technology.

Our projects include digital museums, projection mapping shows, interpretation centers, and innovative tourist-attracting projects for the heritage, culture, and tourism sectors. Brands leverage the combination of creative and technology services of our company for their business growth through brand digital experience centers and digitization of showrooms. With the right mix of creative and technical expertise of the team, Tagbin successfully delivered multiple innovative projects in PAN India, UK, the Middle East, and Asia for the last 11 years.

Our main projects include the Prime Ministers' Museum, New Delhi, Jyotisar Theme Park (on Mahabharat & Geeta), Valmiki Ram Teerth (Amritsar), Babasaheb Bhimrao Ambedkar Museum (Kapurthala), Sathya Sai (Bangalore), IFFI and Azadi ka Amrit Mahotsav, to name a few.

Our Team is our biggest strength, and we work incessantly to expand our horizons by strengthening our team and capabilities. So, if you are the one who holds the zeal to become a part of such an enthusiastic, ever-evolving team, you may find your space in Tagbin Services Pvt. Ltd.

Job Description:

We are looking for a talented and motivated Backend Developer to join our dynamic team. The ideal candidate will have a strong foundation in , cloud-native development, and AI/LLM integration. In this role, you will design scalable backend systems, deploy LLM models and AI agents (Agnos / LangGraph), and collaborate across teams to build secure, high-performance applications in a cloud-native environment.

Key Responsibilities:

• Develop robust backend services and RESTful APIs using: , , NestJS
• Design scalable and secure cloud-native backend systems
• Integrate and manage AI agents / LLM models using: Agnos, LangGraph, or similar frameworks
• Build real-time systems using: Socket.IO, Kafka, RabbitMQ, AWS SQS
• Work closely with frontend teams ) for API integration and performance
• Implement best practices in: API security, access control, multi-tenant architecture
• Leverage serverless computing with: AWS Lambda, AppSync, AWS API Gateway
• Write efficient data queries using: MySQL, PostgreSQL, and Elasticsearch, Redshift, Clickhouse, Firestore
• Design GraphQL endpoints with AWS AppSync where applicable
• Apply basic cloud architecture concepts and deployments using AWS/GCP

Requirements:

• 5+ years of experience in backend development, with a focus on building interactive applications.
• Strong proficiency in JavaScript/TypeScript and backend frameworks , Express, NestJS)
• Working knowledge of: MySQL, PostgreSQL, Elasticsearch, Firestore
• GraphQL (especially with AppSync)
• AWS Lambda, Serverless Framework
• Basic understanding of cloud services (AWS/GCP)
• Familiarity with LLM integration workflows
• Exposure to microservices and real-time systems

Preferred Qualifications:

• Bachelor's/Master's degree in Computer Science or a related field.
• Understanding of security best practices and data protection standards.
• Background in ERP, inventory, or supply chain management systems
• Previous experience in startup or enterprise environments

Soft Skills:

• Strong written and verbal communication
• Collaborative mindset with cross-functional teams
• Ownership mentality and problem-solving approach

Passion for innovation and delivering impactful technology solutions