Job Description:
We are seeking a highly skilled and motivated Senior Lead AI Engineer responsible for designing, developing, and delivering high-quality software solutions. This role emphasizes deep technical proficiency, innovation, and hands-on development, including advanced work in AI technologies such as prompt engineering and large language models (LLMs).
This role combines hands-on technical expertise with leadership responsibilities, making it ideal for someone who thrives in a fast-paced environment and is passionate about building scalable, high-quality systems. You will play a key role in shaping technical direction, mentoring team members, and ensuring successful delivery of projects aligned with business goals.
Working location - Bangkok, Thailand
Shift - Standard Mon-Fri 9AM-6PM Thai time support
Language proficiency – English proficiency is mandatory, native Thai
Key Responsibilities
Design and develop LLM orchestration and prompt engineering for complex, long running workflows.
Design human in the loop mechanisms and ensure transparency and explainability of AI driven decisions.
Develop robust evaluation frameworks, guardrails, and reliability engineering practices for LLM powered systems.
Develop multi agent systems, including agent roles, coordination, memory management, and goal alignment.
Integrate, optimize, and evaluate LLMs across agentic AI, retrieval augmented generation (RAG), and prompt management platforms.
Build data pipelines and automation for ingesting, transforming, and monitoring diverse content sources.
Collaborate closely with AI Product Management, UIUX Designer, Architecture, Data Acquisition, and Data Lakehouse Engineering teams.
Own project delivery timelines, manage risks and dependencies, and ensure successful on time execution.
Stay up to date with emerging AI/ML frameworks, techniques, and tooling.
Qualifications
Bachelor's or master's degree in computer science, Engineering, or a related technical field.
Proven software engineering experience with a strong record of leading and delivering successful projects.
Deep understanding of software architecture, microservices, API design, and event driven patterns.
Proficiency in modern programming language, such as Java or Python.
Hands on experience with AI / LLM technologies, including prompt engineering, evaluation, fine tuning, embeddings, RAG, and model deployment.
Experience with cloud platforms (AWS) and containerization technologies such as Docker and Kubernetes.
Familiarity with modern observability practices, including metrics, distributed tracing, and log aggregation, CI/CD pipelines, and DevOps practices.
Excellent problem solving, communication, and leadership skills.
Ability to operate independently while enabling team success
Nice to Have: Experience building AI infrastructure—evaluation pipelines, prompt/version management, vector or embedding stores, and model serving—with the ability to optimize and fine tune models for latency, quality, and cost.
About Cognizant:
Cognizant (Nasdaq: CTSH) engineers modern businesses. We help our clients modernize technology, reimagine processes and transform experiences so they can stay ahead in our fast-changing world. Together, we're improving everyday life. See how at www.cognizant.com or @cognizant.
#LI-CTSAPAC
About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
