Sr Full Stack Engineer - AI, LLM & Intelligent Document Processing

About TCS:Join Tata Consultancy Services, Asia Pacific and be part of an organization committed to sustainable development for our future. TCS follows the Tata group philosophy of building sustainable businesses that are rooted in the community and demonstrate care for the environment. Our unique values position us to combine a purpose-driven worldview with digital innovation, collaborating with customers, communities and governments to lead and shape innovative solutions for a sustainable future. TCS has been carbon neutral in its operations across 11 countries, 12 delivery centres and 18 offices in Asia Pacific since 2022. This is only the initial stage in TCS’ journey as we strive to achieve long-term net zero emissions by 2030.Corporate sustainability is embedded in our triple-bottom-line, focusing on people, the planet, and our purpose. Our offices are designed with eco-friendly features that significantly reduce our carbon footprint and enhance energy efficiency. We actively champion green initiatives, such as promoting paperless operations, implementing energy-efficient practices, and fostering employee engagement in sustainability efforts. When you become part of the TCS family, you will play an essential role dedicated to innovation, excellence, and crafting a brighter, greener future together. Join us and be a part of our mission to drive sustainability through technology and talent at Tata Consultancy Services, APAC today.Role : Sr Full Stack Engineer - AI, LLM & Intelligent Document ProcessingExperience : 10+ YearsLocation : SydneyJob Type : Full Time (Permanent)About the RoleWe are seeking an experienced Senior Full Stack Engineer to help build the future of Document Management, Document Intelligence and Intelligent Document Processing.This is not a traditional full stack engineering role. We are specifically seeking an engineer who has successfully delivered production-grade AI and Large Language Model (LLM) solutions and can apply these capabilities to transform document processing, workflow automation and customer journeys.Essential Criteria :Mandatory AI & LLM ExperienceProven experience delivering production-grade LLM solutions.Demonstrated success deploying AI solutions that generated measurable business outcomes.Hands-on experience with Large Language Models such as OpenAI, Claude, Gemini, Llama or equivalent.Hands-on experience with prompt engineering, Retrieval Augmented Generation (RAG), AI agents and agentic workflows.Experience with model orchestration frameworks, AI evaluation frameworks and model performance optimisation.Experience integrating LLMs into enterprise applications and business workflows.Understanding of AI security, privacy, explainability, fairness, governance and responsible AI controls.Mandatory Intelligent Document Processing ExperienceDeep experience delivering Intelligent Document Processing solutions.Experience with document classification, data extraction, OCR technologies, validation and verification frameworks, document workflow automation, redaction services and document intelligence platforms.Demonstrated ability to improve customer and operational outcomes through intelligent automation.Experience processing structured, semi-structured and unstructured document workloads.Technical Engineering ExperienceExtensive experience developing enterprise applications.Strong programming capability in one or more of Python, Java, Go or .NET.Strong ReactJS development experience.Strong API design and integration experience.Strong AWS cloud engineering capability.Docker and containerisation experience.CI/CD pipeline design and implementation experience.Automated testing framework experience.Experience working in highly regulated enterprise environments.Engineering ExcellenceStrong software design and solution architecture skills.Deep understanding of DevSecOps principles.Experience designing resilient and observable systems.Strong problem-solving and systems-thinking capabilities.Demonstrated ability to balance innovation, delivery, risk and resilience.Key Responsibilities : AI, LLM & Document IntelligenceDesign, build and deploy AI-powered solutions into production environments.Develop and maintain LLM-based applications that deliver measurable business value.Design and implement Retrieval Augmented Generation (RAG) architectures.Build AI agents and orchestration frameworks that automate document-centric business processes.Develop prompt engineering, model evaluation and model optimisation capabilities.Assess and select appropriate AI models based on business outcomes, performance, cost and risk considerations.Drive adoption of AI-powered engineering practices across the crew.Intelligent Document ProcessingDesign and build enterprise-scale Intelligent Document Processing solutions.Develop document classification, extraction, validation, redaction and workflow automation capabilities.Integrate OCR, document intelligence and AI technologies into customer journeys.Improve straight-through processing rates through intelligent automation.Build reusable document intelligence services that can be leveraged across multiple business domains.Drive innovation in document processing through emerging AI technologies.Full Stack EngineeringDesign, develop and maintain modern web applications and APIs.Build responsive user experiences using ReactJS.Develop backend services using Python, Java, Go or .NET.Design scalable microservices and event-driven architectures.Contribute to technical architecture, engineering standards and strategic technology direction.Mentor and uplift engineering capability across the squad and broader engineering community.Cloud, Platform & DevSecOpsBuild and operate cloud-native solutions on AWS.Develop containerised workloads using Docker.Design and enhance CI/CD pipelines to improve delivery speed and quality.Automate infrastructure, testing and deployment activities wherever possible.Improve observability, operational resilience and platform reliability.Apply modern DevSecOps practices throughout the software delivery lifecycle.Top Reasons to Join Our Team at TCS AustraliaAttractive compensation & rewardsWe offer a highly competitive salary package aligned with the Australian market, complemented by performance-based incentives, recognition programs, and comprehensive employee benefits. Your achievements are celebrated, and your contributions truly matter.Global exposure with local impactAt TCS, you’ll work with leading Australian enterprises across diverse industries while collaborating with our global network of experts. This means access to world-class practices, transformative technologies, and the chance to shape solutions that have a real impact — locally and globally.Empowering leadership & supportive environmentOur leadership team is committed to helping you succeed. We encourage initiative, reward innovation, and provide a collaborative environment where your ideas are heard and valued.Long-term career growthWe believe in careers, not just jobs. With continuous learning, certification support, career mobility, and clear progression pathways, TCS empowers you to grow and evolve — whether you want to deepen your expertise, explore new domains, or take on leadership roles.Inclusive, collaborative cultureDiversity, inclusion, and respect are central to who we are. At TCS Australia, you’ll join a workplace where collaboration thrives, individuality is valued, and everyone can contribute to meaningful outcomes.Continuous learning & cutting-edge innovationWe invest heavily in your development, offering structured learning programs, global certifications, leadership development, and opportunities to work with emerging technologies. You’ll be part of an environment that constantly challenges and expands your capabilities.A Great Fit for the TCS CultureWe’re looking for people who are:Passionate about technology and transformationDriven by curiosity, innovation, and continuous learningExcited to work in a collaborative, purpose-driven environmentMotivated by delivering real impact for clients, communities, and societyOur core values — Integrity, Excellence, Responsibility, Pioneering Spirit, and Unity — shape how we work and how we grow together.The TCS Community in Australia and BeyondGlobal strength: Over 600,000+ associates in 55+ countries, united by a shared purpose — to innovate and make a difference.Local presence: A trusted partner to Australia’s leading enterprises across financial services, government, retail, healthcare, telecom, and more.Social impact: Deeply committed to sustainability, digital inclusion, and community engagement initiatives in Australia and around the world.Empowered workplace: We foster a culture where diversity, equity, and accessibility are integral to how we operate.We don’t just imagine a better future — we help build it.About TCSTata Consultancy Services (TCS) is a global leader in IT services, consulting, and business solutions. We have partnered with many of the world’s largest organisations to help them transform their businesses, operating models, and technology ecosystems.Learn more at www.tcs.com.Equal Opportunity EmployerTCS is an equal opportunity employer. All qualified applicants will be considered without regard to race, colour, religion, gender, gender identity, sexual orientation, national origin, disability, veteran status, or any other characteristic protected by applicable law.Note: Compensation details are accurate as of this posting and may be adjusted in line with Australian laws and market conditions. Applicants may be asked to attend interviews in person or via video conference and present valid identification during the processThank you for your interest in applying for this position with TCS. All applicants who meet the requirements will be considered equally and fairly for employment. We will review your application and will get back to you if we are considering your interest in this opportunity.