Senior Software Engineer - Gen AI

Firstsource Healthcare; Chennai District; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Firstsource Solutions Limited in Chennai is seeking a Senior Software Engineer - Gen AI to design and implement GenAI-based solutions, build backend APIs, and work with LLMs on AWS.

The role emphasizes collaboration with cross-functional teams, deployment, monitoring, and ongoing optimization to deliver scalable GenAI services.

Qualifications

• 2–6 years of software engineering or backend experience.
• Strong Python programming skills.
• Familiarity with GenAI concepts, RAG, embeddings, and prompt engineering.
• Experience with AWS services and container orchestration.

Responsibilities

• Design and develop GenAI-based applications and services.
• Build and maintain backend APIs and microservices for AI workloads.
• Work with LLMs, embeddings, and prompt engineering.
• Deploy and monitor AI apps on AWS.
• Collaborate with product and engineering teams to deliver scalable solutions.
• Contribute to CI/CD pipelines, testing, and automation.
• Monitor performance and reliability of applications.
• Participate in model evaluation and optimization.

Skills

Python

GenAI concepts

LLMs / embeddings

REST APIs

Git

Problem-solving

Communication skills

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

Docker

Kubernetes

API Gateway

SageMaker

Job description

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Senior Software Engineer - Gen AI

Date: Sep 30, 2026

Location: Chennai, IN

Requisition ID: 22301

Description: About FirstsourceFirstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 532809, Reuters: FISO.BO, Bloomberg: FSOL:IN), is a specialized global business process services partner, providing transformational solutions and services spanning the customer lifecycle across Healthcare, Banking and Financial Services, Communications, Media and Technology, Retail, and other diverse industries. With an established presence in the US, the UK, India, Mexico, Australia, South Africa, and the Philippines, we make it happen for our clients, solving their biggest challenges with hyper-focused, domain-centered teams and cutting-edge tech, data, and analytics. Our real-world practitioners work collaboratively to deliver future-focused outcomes. GenAI Engineer - We are looking for a passionate and hands-on AI Systems Engineer with 2-6 years of experience to work on building and deploying GenAI solutions. The ideal candidate should have exposure to AI/ML systems, backend development, and cloud technologies, with a strong interest in working on real-world GenAI applications.

What You'll Do

• Assist in designing and developing GenAI-based applications and services.
• Build and maintain backend APIs and microservices for AI/ML workloads.
• Work with LLMs, RAG pipelines, embeddings, and prompt engineering techniques.
• Support deployment and monitoring of AI applications on AWS cloud platforms.
• Collaborate with product, engineering, and business teams to deliver scalable solutions.
• Contribute to CI/CD pipelines, testing, debugging, and automation processes.
• Monitor application performance, reliability, and system health.
• Participate in model evaluation, testing, and optimization activities.

Required Skills & Experience

• 2-6 years of experience in Software Engineering, AI/ML, or Backend Development.
• Strong programming skills in Python.
• Basic understanding of LLMs, GenAI concepts, RAG, embeddings, and prompt engineering.
• Exposure to AWS services such as Lambda, S3, ECS/EKS, API Gateway, or SageMaker.
• Familiarity with REST APIs, microservices architecture, Docker, and Kubernetes.
• Knowledge of SQL/NoSQL databases and version control systems like Git.
• Understanding of CI/CD pipelines and cloud deployment concepts.
• Good problem-solving and communication skills.

Preferred Skills

• Exposure to vector databases and AI frameworks like PyTorch or TensorFlow.
• Experience working on AI/ML projects or production support environments.
• Understanding of monitoring/logging tools such as CloudWatch or Datadog.

Qualification

• Bachelor's degree in Computer Science, Engineering from IIT's or NIT's or IIIT's.
• Strong interest in building scalable AI and GenAI solutions.

Role Type

• Individual Contributor (IC) role
• Hands-on development and engineering focused

Disclaimer: Firstsource follows a fair, transparent, and merit-based hiring process. We never ask for money at any stage. Beware of fraudulent offers and always verify through our official channels or @firstsource.com email addresses.