Senior AI/ML Engineer

Manatal is an HRTech software service (B2B SaaS) company headquartered in Bangkok, Thailand. Manatal is one of the fastest-growing start-ups in the region and is backed by Surge and Sequoia Capital.

Manatal has a global presence and is trusted by thousands of businesses in over 135 countries and is recognized by Forbes as Best Recruiting Software of 2024 & 2025. Our goal is to transform the entire hiring process by making it simple, efficient, and enjoyable for recruiters, hiring managers, and candidates alike.

Our mission is to offer the best-in-class AI-powered technologies to empower small, medium, and large businesses in their staffing & recruitment transformation.

Responsibilities

• Design, build, and scale AI and GenAI features within Manatals recruitment platform
• Lead the development of:
  • AI agents for candidate screening and communication
  • Semantic search and matching engines
  • Resume parsing in multiple languages
  • Generative tools for resume/job summarization, enrichment, and candidate sourcing
  • Natural language interfaces using LLMs (e.g., OpenAI, Claude, Mistral)
• Own end-to-end ML and GenAI workflows: data preparation, model training/fine-tuning, evaluation, and production deployment
• Continuously evaluate and optimize models for accuracy, latency, and cost
• Collaborate with product and engineering teams to deliver robust, scalable, and user-friendly AI features
• Stay up-to-date with the latest research, tools, and APIs in AI and GenAI and bring innovative ideas into the product
• Help define best practices for safe, efficient, and reliable deployment of AI/GenAI systems in production

Requirements

• Bachelors or Masters degree in Computer Science, Mathematics, Statistics, or a related quantitative field
• Proven experience as a software engineer, with ownership of features deployed in production environments
• Solid understanding of the full software development lifecycle, including CI/CD, monitoring, and observability in high-load systems
• Strong programming skills in Python, with hands-on experience using libraries like NumPy, Pandas, Scikit-learn, Transformers, and TensorFlow or PyTorch
• Experience working with LLMs (e.g., OpenAI, Claude, Mistral) and frameworks for GenAI development (LangChain, PromptLayer, etc.)
• Solid grounding in machine learning algorithms supervised, unsupervised, and deep learning
• Experience with experiment design, model evaluation, A/B testing, and metrics-driven development
• Proficiency in SQL and working with large datasets (data cleaning, feature engineering, etc.)
• Good knowledge of cloud infrastructure, especially AWS (e.g., S3, EC2, Lambda)
• Familiarity with containerization and orchestration tools (e.g., Docker, ECS, Kubernetes)
• Strong understanding of modern web application architectures and APIs
• Excellent communication skills and ability to work cross-functionally
• Experience in a B2B SaaS environment is a strong plus
• Bonus: exposure to MLOps practices (model versioning, monitoring, retraining pipelines)

Working with Manatal

• This role is based at our Bangkok office in the heart of the city center
• As a team of diverse cultures and nationalities, English language proficiency is required
• We enjoy collaborating in person and the team is working on-site

Why you'll enjoy working with Manatal

• Well-funded start-up backed by Surge & Sequoia
• Be part of one of the fastest-growing B2B SaaS start-ups in the region
• You will be collaborating with talented individuals in the industry
• Join a lively and highly international team
• Indulge in a challenging and innovative working culture
• Attractive medical healthcare plan
• Personal development allowance
• 2 weeks of work from anywhere per year
• Regular fun team-building activities
• Company trip

Our Tech Stack

Our engineering team leverages a variety of modern technologies. While working with Manatal, you can expect to be exposed to the following stack

• Infrastructure: Amazon Web Services; Kubernetes; GitOps (ArgoCD), Github Actions
• Backend: Language: Python; Web Frameworks: Python frameworks including Django, Fast API; Databases: PostgreSQL, MongoDB, ElasticSearch, and Redis among others; Other: Celery, RabbitMQ among others.
• Frontend: Javascript & Vue.JS

Apply on our Careers Page 
If you are a fit for this role and excited to join Manatal, please follow this link to apply https://www.careers-page.com/m...



Watch our Demo
https://www.youtube.com/watch?v=-GG1GqXkAKQ
https://www.youtube.com/watch?v=VjinpYMUMoc

Manatal Hiring
At Manatal, we are dedicated to building an intuitive AI-powered applicant tracking system to streamline and transform the entire hiring and recruitment process.

We are devoted to attracting the best talent worldwide to join our team and take pride in being an equal-opportunity workplace. We are committed to equal employment opportunities regardless of religion, race, ethnicity, ancestry, national origin, gender, gender identity, sex, sexual orientation, marital or parental status, disability, age, citizenship or other class protected by applicable law.