Sr. Software Engineer - (GenAI & Node.js)

GSS Group; India; On-site; INR 3,000,000 - 4,600,000; Full time

Job summary

GSS Group in India is seeking a Senior Software Engineer to build scalable backend platforms. You will design RESTful APIs with Node.js, and integrate GenAI features using APIs/SDKs, ensuring secure, high-availability services across enterprise environments.

You'll work with JavaScript/TypeScript, modern ECMAScript, CI/CD, Docker, Kubernetes, and Azure AI services to deliver reliable solutions. Your role includes mentoring, code reviews, and contributing to architecture decisions in a

Qualifications

• Strong hands-on experience developing scalable backend services.
• Experience designing and building RESTful APIs and API-based integrations.
• Proficient in modern JavaScript/ECMAScript and TypeScript.
• Experience with cloud-native architectures, CI/CD, and containerization.

Responsibilities

• Design, develop, and maintain scalable RESTful APIs using Node.js.
• Develop backend services using JavaScript, TypeScript, and ECMAScript standards.
• Implement async/non-blocking programming with Promises and async/await.
• Design and integrate GenAI/LLM-based solutions via APIs/SDKs.
• Engineer prompts for LLM applications and optimize performance.
• Work with Azure AI services like Azure OpenAI and related tools.
• Build real-time features using WebSockets.
• Integrate ORM/ODM-based database access (Sequelize, TypeORM, Mongoose).
• Collaborate with cross-functional teams to deliver reliable, secure enterprise apps.

Skills

Node.js

RESTful APIs

JavaScript

TypeScript

GenAI / LLM

Async/non-blocking programming

WebSockets

API integration

CI/CD

Security concepts

Tools

Docker

Kubernetes

Sequelize

TypeORM

Mongoose

Job description

We are looking for a highly skilledSenior Software Engineerwith strong expertise inNode.js, JavaScript, TypeScript, RESTful APIs, and GenAI/LLM integrationsto work on enterprise-scale Technology Platforms & Integration initiatives.

The ideal candidate should have strong hands-on experience developing scalable and highly available backend services, working with distributed systems, integrating AI capabilities through APIs/SDKs, and building secure, performant, and maintainable applications.

The role requires a strong understanding of modern JavaScript/ECMAScript, asynchronous and non-blocking programming, API architecture, cloud-native technologies, CI/CD, containerization, security, and enterprise application infrastructure.

Key Responsibilities

• Design, develop, and maintainscalable, highly available RESTful APIs using Node.js.
• Develop robust backend services usingJavaScript, TypeScript, and modern ECMAScript standards.
• Implement asynchronous and non-blocking programming patterns usingPromises, async/await, and event-driven architectures.
• Design and integrateLLM/GenAI-based solutionsusing APIs and SDKs.
• Engineer, fine-tune, and optimizeprompts for large language model (LLM) applications.
• Integrate AI capabilities into enterprise applications using appropriate APIs and SDKs.
• Work withAzure AI services, including:
• Azure Speech
• Azure Language
• Azure OpenAI
• PII Detection
• Design and implement real-time communication capabilities usingWebSockets.
• Develop and maintain database integrations using appropriateORMs and ODMs, including technologies such as Sequelize, TypeORM, and Mongoose.
• Build and maintain secure APIs and services within a regulated enterprise environment.
• Apply API and data security best practices, including understanding offirewall and network security concepts.
• Develop efficient, non-blocking code and apply advanced techniques such asmulti-threading where required.
• Troubleshoot and resolve issues acrossdistributed services ecosystems.
• Participate in CI/CD implementation, deployment, troubleshooting, and release activities.
• Work withDocker and Kubernetesfor containerization and deployment.
• Understand and work across different layers of enterprise applications, including:
• Platform layer
• Database layer
• API layer
• Caching layer
• Proxy layer
• Web services
• Participate in code reviews and contribute to engineering standards and best practices.
• Document code inline usingJSDoc or other accepted documentation conventions.
• Develop automation test scripts where required.
• Collaborate with cross-functional engineering and technology teams to deliver reliable and scalable solutions.

Required Technical Skills

Node.js & Backend Engineering

• Strong expertise inNode.js.
• Proven experience developingscalable and highly available RESTful APIs.
• Strong understanding of asynchronous programming.
• Hands-on experience with:
• Promises
• async/awaitEvent-driven architecture
• Non-blocking programming
• Understanding and practical application of advanced programming techniques, includingmulti-threading where required.

JavaScript & TypeScript

• Strong proficiency inJavaScript.
• Strong understanding of theJavaScript object model.
• Knowledge ofDOM manipulation.
• Strong understanding of the latestECMAScript standards.
• Strong proficiency inTypeScript.
• Experience documenting code usingJSDoc or equivalent conventions.

API & Integration

• Strong understanding ofRESTful API design and development.
• Experience securing APIs and enterprise data.
• Experience integrating services throughAPIs and SDKs.
• Understanding of API architecture within distributed enterprise environments.
• Hands-on experience withWebSocketsfor real-time communication.

GenAI / LLM

• Practical experience withGenerative AI / LLM-based solutions.
• Knowledge of designing, engineering, and fine-tuningprompts for LLM applications.
• Experience integrating LLM capabilities throughAPIs or SDKs.

Azure AI

Working knowledge ofAzure AI services, including:

• Azure Speech
• Azure Language
• Azure OpenAI
• PII Detection

Database & Data Access

• Experience withORMs and ODMsfor database interaction.
• Familiarity with:
  • Sequelize
  • TypeORM
  • Mongoose

DevOps & Cloud-Native Technologies

• Strong understanding ofCI/CD principles.
• Experience working with CI/CD tools and remote deployment processes.
• Hands-on experience withDocker.
• Hands-on experience withKubernetes.
• Experience troubleshooting distributed services and deployment environments.

Security & Enterprise Architecture

• Familiarity withfirewall and network security concepts.
• Understanding of best practices for securing APIs and data in regulated environments.
• Strong understanding of the responsibilities and interactions between:
  • Platforms
  • Databases
  • APIs
  • Caching layers
  • Proxies
  • Web services

Testing

• Ability to createautomation test scripts is preferred.
• Strong understanding of software quality and engineering best practices.

Required Competencies

• Strong problem-solving and troubleshooting skills.
• Ability to work effectively with distributed and cross-functional technology teams.
• Strong understanding of scalable and highly available application architecture.
• Ability to work with complex enterprise technology environments.
• Strong ownership of technical delivery and production stability.
• Ability to understand and troubleshoot issues across multiple layers of a distributed services ecosystem.
• Strong communication and technical documentation skills.
• Ability to learn and adopt modern technologies, particularly inGenAI and cloud-native engineering.

Preferred Experience

• Experience working on enterprise-scale technology platforms and integration solutions.
• Experience in regulated or security-sensitive technology environments.
• Experience with AI/GenAI integrations within enterprise applications.
• Experience building highly available and distributed backend services.
• Exposure to automation testing and automated engineering workflows.