Senior Software Engineer AI Applications Location: Hyderabad, India Employment Type: Full-Time, On-site Experience: 4+ Years Expected CTC: 12-14 LPA About SAITC SAITC is an AI software development company based in Saudi Arabia, focused on building production-grade AI solutions for businesses. We build AI chatbots, RAG applications, AI agents, AI-powered SaaS products, enterprise integrations, and custom AI software. We are looking for a Senior Software Engineer who can take ownership of the backend architecture and software engineering behind these solutions. Role Overview This is a hands-on technical leadership role. You will design and build production software, make architectural decisions, work closely with our Applied AI team, review code, and guide other engineers. The ideal candidate is a strong backend engineer with practical AI application experience who understands how to turn AI capabilities into reliable, scalable, and production-ready software. Key Responsibilities 1. Backend Engineering & Architecture Design scalable backend architectures for AI applications, SaaS platforms, APIs, and enterprise solutions. Build production services primarily using Python and FastAPI. Design REST APIs, business logic, databases, integrations, and background processes. Design and optimize PostgreSQL databases and data models. Build integrations with third-party APIs, ERP/CRM systems, Odoo, and customer databases. Design secure multi-tenant systems with proper customer data isolation. 2. AI Application Engineering Work closely with Applied AI Engineers to integrate AI capabilities into production software. Build applications using LLM APIs, RAG, embeddings, vector databases, AI agents, and AI-powered workflows. Integrate providers such as OpenAI, Google Gemini, OCI Generative AI, and open-source models. Design APIs and backend workflows around AI services, including streaming, retries, fallbacks, and cost/latency considerations. Ensure AI systems are securely integrated with customer and business data. 3. Technical Leadership Establish coding and architectural standards across projects. Conduct code reviews and maintain high engineering quality. Mentor engineers and provide technical direction. Convert business and client requirements into practical technical solutions. Participate in technical discussions with founders and clients when required. 4. Security, Testing & Quality Implement authentication, authorization, RBAC, tenant isolation, and API security. Ensure appropriate unit, integration, and API testing for backend services. Work closely with the DevOps/QA Engineer on deployment, monitoring, testing, and production issues. Required Skills & Experience 4+ years of professional software development experience. Strong experience with Python and FastAPI. Strong PostgreSQL and database design skills. Strong understanding of backend architecture and REST APIs. Experience building and deploying production software. Practical experience with LLM APIs, RAG, embeddings, vector databases, or AI agents. Understanding of authentication, authorization, and application security. Experience with Docker and Linux. Strong Git/GitHub experience. Good understanding of asynchronous programming, APIs, queues, and caching. Strong problem-solving and debugging ability. Ability to lead technical decisions and mentor other engineers. Good to Have Redis / Celery / RabbitMQ / Kafka AWS / OCI / GCP / Azure Kubernetes / Terraform Experience building AI SaaS products Experience with enterprise integrations Experience working directly with clients What Success Looks Like Within the first 612 months, you will help SAITC establish a strong technical foundation where: AI applications follow consistent and scalable architectures. Backend components can be reused across products and clients. AI services integrate cleanly with business applications and data. Customer data is securely isolated. Engineering standards and code quality improve across the team. SAITC can build and deliver new AI solutions faster. Education A Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field is preferred.