SALARY

1.500 USD to 3.000 USD

We are seeking a talented Software Engineer with a passion for text extraction, document search, and user interface development. You will play a key role in building secure, scalable solutions for document indexing, advanced search capabilities, similarity detection, and automated workflows. This is an exciting opportunity to work on cybersecurity-related document management systems with real-world impact.

RESPONSIBILITIES

Develop text extraction modules for DOCX, PPTX, XLSX, TXT, and PDF formats.

Integrate OCR for extracting text from images and scanned documents.

Implement and manage search indexing using Elasticsearch, Solr, or Lucene.

Design keyword-based search across large-scale document databases and emails.

Optimize search for fast performance and accurate ranking of results.

Build responsive and intuitive UIs for document browsing, filtering, and case management.

Enable keyword tagging, document preview, and smart filtering in the front end.

Implement similarity detection algorithms to recommend related documents.

Build real-time views of recommended content.

Automate document classification, indexing, and search pipelines.

Integrate with existing cybersecurity tools to improve analyst productivity.

REQUIREMENTS

The manager can supervise developers.

Communicate in English or Korean.

Bachelor’s degree in Computer Science, Software Engineering, or currently pursuing one.

Familiar with text extraction, search technologies, or OCR projects.

Hands-on experience with Elasticsearch, Solr, or Lucene is a plus.

Programming skills in Python, Java, or C#.

Experience in UI development using React, Vue, or Angular.

Problem-solving mindset and an eye for automation.

Preferred Qualifications: Knowledge in NLP, text classification, or entity recognition.

Preferred Qualifications: Experience handling Base64-encoded email content.

Preferred Qualifications: Familiarity with document similarity algorithmsand scoring techniques.

Preferred Qualifications: Understanding of database structures for large-scale document storage.

Preference will be given to those who can speak English

BENEFIT

Monthly salary from 1,500 – 3,000$ depending on qualifications.

Full coverage of social, health, and unemployment insurance(per Vietnamese law).

12+ days of paid annual leave.

Performance-based bonusand 13th-month salary.

Supportive and secure working environment focused on cybersecurity innovation.

Opportunities for growth in search technologies, OCR, and automation.

Flexible working hours and partial remote work.

Monthly team activities and project-based incentives.

After working, excellent talents will receive training and work in Korea.

Position Type:Full-time 09:00~18:00 (lunch 13:00~14:00)