Company Description

Kata.ai is an Indonesian Conversational Artificial Intelligence company with a focus on creating technology to enhance the understanding of human conversations, improving the way humans collaborate with machines. Kata.ai's Natural Language Processing (NLP) technology powers MultiPurpose chatbots (virtual customer service / virtual friend) for major corporations in Indonesia across different kinds of industries such as Unilever (FMCG), Telkomsel (Telco), Bank BRI (Financial Services), and Alfamart (Retail).

The company's proprietary Kata Bot Platform can be leveraged to create feature-rich chatbots on top of Kata.ai's robust and scalable AI technology platform, ensuring company of any size can easily build their own chatbot on any messaging platform. With this platform, it is now possible for the business to focus on designing engaging interaction for their customers, while Kata.ai handles all the technology aspects of the chatbots.

Established in 2015, the company has become a trusted partner for major corporations such as Microsoft, Accenture, and Line. In 2020, the company received Series-B funding from TransPacific Technology Fund and MDI Venture.

Job Description

Design, build, and maintain scalable data pipelines, streaming infrastructure, and AI/ML data workflows that power data-driven products and enterprise AI solutions — ensuring reliable, timely, and high-quality data is available across the organization — so that AI Engineers, Product teams, and enterprise clients can make accurate, insight-driven decisions and deliver intelligent customer experiences through Kata's AI and voice platforms.

Qualifications

Qualifications & Education :

Bachelor's degree in Computer Science, Information Systems, Data Engineering, Statistics, or related field
Relevant certifications (GCP Professional Data Engineer, Databricks, Airflow/Astronomer, etc.) are a plus

Technical Skills :

Streaming: Apache Kafka — topic design, consumer groups, partitioning strategy, and real-time event processing
Batch Orchestration: Apache Airflow — DAG design, scheduling, dependency management, and failure handling
Distributed Processing: Apache Spark — batch and micro-batch transformations, DataFrame API, optimization
Data Warehousing: Google BigQuery (primary); Apache Hive for large-scale batch analytics
NoSQL / Wide-Column: Apache Cassandra — data modeling for high-write, time-series, and event-driven workloads
Languages: Python (required); SQL (required); Scala is a plus
Cloud: GCP — BigQuery, Dataflow, Cloud Storage, Pub/Sub, Vertex AI Pipelines; Azure is a plus
Containerization: Docker; basic Kubernetes for deploying data services
CI/CD: GitLab CI, GitHub Actions, or equivalent for pipeline deployment automation
Data Quality: Great Expectations, dbt tests, or custom validation frameworks
Monitoring: Prometheus, Grafana, or GCP Monitoring for pipeline observability; alerting on SLA breaches
Version Control: Git with feature branching and pull request workflow

Experience :

Associate Level (1–2 years)

1–2 years of professional experience in data engineering, software engineering with data focus, or a related technical role
Hands-on experience building or maintaining data pipelines in a production environment
Practical exposure to at least one streaming or batch processing technology (Kafka, Spark, or Airflow)
Familiarity with SQL and relational or columnar databases (BigQuery, PostgreSQL, Hive, or equivalent)
Exposure to cloud data services on GCP or Azure
Experience working in Agile/Scrum teams with sprint-based delivery

Mid Level (3–5 years)

3–5 years of professional experience in data engineering, with at least 2 years building and operating production-grade pipelines
Proven hands-on experience with Apache Kafka for real-time event streaming — including topic design, consumer group management, and at-least-once/exactly-once delivery patterns
Demonstrated experience designing and maintaining batch workflows using Apache Airflow and large-scale data transformations with Apache Spark
Experience working with BigQuery and/or Hive for large-scale analytics workloads, including query optimization and partitioning strategies
Hands-on experience with Cassandra or similar NoSQL wide-column stores for high-write or time-series data use cases
Experience supporting AI/ML data pipelines — feature engineering, training dataset preparation, or model inference data feeds
Experience with data quality frameworks and implementing data observability practices in production environments

Additional Information

We value a flexible working hour for our employees.

The most important is we provide a learning experience in Conversational AI Industry.

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