Backend Engineer – GenAI Bangalore

Wohlig Transformations Pvt. Ltd.; Bengaluru; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Wohlig Transformations Pvt. Ltd. is seeking an experienced backend developer to design and build scalable, high-performance systems. The role requires proficiency in NodeJS and Python, experience with Generative AI technologies, and a strong background in database management and event-driven architecture. Candidates should have 5+ years of experience, including developing RESTful APIs and working with tools like RabbitMQ and Kafka. The position is critical for handling real-time market data while ensuring security and compliance.

Qualifications

• 5+ years of professional backend development experience.
• Strong expertise in NodeJS and Python for production-grade applications.
• Proven experience building RESTful APIs and microservices architectures.
• Experience working with Generative AI frameworks/APIs (OpenAI, LangChain).
• Understanding of integrating LLMs into production systems.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Build event-driven architectures using RabbitMQ and Kafka.
• Develop and manage data pipelines integrating PostgreSQL and BigQuery.
• Integrate and deploy Generative AI models into backend systems.
• Design AI-powered features such as recommendation systems.

Skills

NodeJS

Python

RESTful APIs

Microservices

Generative AI frameworks/APIs

PostgreSQL

RabbitMQ

Kafka

BigQuery

Git

CI/CD

Problem-solving

Tools

Docker

Kubernetes

Redis

Memcached

Job description

Architect and build scalable, high-performance backend systems while working on mission-critical platforms that process real-time market data and portfolio analytics. The role also involves leveraging Generative AI capabilities to enhance data intelligence, automation, and user-facing features, while ensuring regulatory compliance and secure financial transactions.

Key Responsibilities

• Design, develop, and maintain scalable backend services and APIs using NodeJS and Python
• Build event-driven architectures using RabbitMQ and Kafka for real-time data processing
• Develop and manage data pipelines integrating PostgreSQL and BigQuery for analytics and warehousing
• Integrate and deploy Generative AI models (LLMs, embeddings, AI APIs) into backend systems for automation, insights, and intelligent workflows
• Design AI-powered features such as recommendation systems, document processing, or conversational interfaces
• Ensure system reliability, security, and low-latency performance for mission-critical systems
• Lead technical design discussions, conduct code reviews, and mentor junior engineers
• Optimize database queries, implement caching strategies, and improve overall system performance
• Collaborate with cross-functional teams to deliver end-to-end product features
• Implement monitoring, logging, and observability solutions

Required Skills and Qualifications

• 5+ years of professional backend development experience
• Strong expertise in NodeJS and Python for production-grade applications
• Proven experience building RESTful APIs and microservices architectures
• Experience working with Generative AI frameworks/APIs (OpenAI, LangChain, vector databases, prompt engineering)
• Understanding of integrating LLMs into production systems (RAG, embeddings, fine-tuning basics)
• Strong proficiency in PostgreSQL, including query optimization and schema design
• Hands-on experience with RabbitMQ and Kafka
• Experience with BigQuery or similar data warehousing solutions
• Solid understanding of distributed systems, scalability patterns, and high-traffic applications
• Strong knowledge of authentication, authorization, and security best practices
• Experience with Git, CI/CD pipelines, and modern development workflows
• Excellent problem-solving and debugging skills
• Exposure to fintech or financial services, cloud platforms (GCP/AWS/Azure), Docker/Kubernetes, caching tools (Redis/Memcached), and regulatory requirements (KYC, compliance, data privacy) is a plus.