Backend Engineer

ABOUT CLIENT

Our client is a startup company, building a trading platform with half a million users in 20 countries

JOB DESCRIPTION

Design and develop a multi-source data collection system: crawlers, APIs, RSS feeds, etc.
Build and operate a data pipeline for processing, standardizing, and storing large-scale data (ETL).
Design a semantic search query system based on embeddings and vector databases.
Integrate data with AI systems under the Retrieval-Augmented Generation (RAG) architecture.
Develop backend APIs for features such as stock code queries, pushing new content, and source management.
Optimize system performance for processing and storing data as it grows rapidly over time.

JOB REQUIREMENT

Minimum 4 years of experience in backend development with expertise in Node.js and/or Golang.
Proven experience in building data collection systems or ETL pipelines.
Hands-on experience working with vector databases (Pinecone, Weaviate, FAISS, Qdrant, etc.).
Strong understanding and application of embeddings for text data processing.
Knowledge of RAG architecture and data flows supporting AI-driven systems.
Proficiency in working with MongoDB and PostgreSQL databases.
Solid system design thinking, capable of organizing codebases and data models for scalability and maintainability.
Experience in building AI-powered systems for financial analysis or news aggregation.
Knowledge of stock markets and different types of financial data.
Ability to assess data quality, filter out noise, and handle Natural Language Processing (NLP) tasks.

WHAT'S ON OFFER

Standard A-grade office with separate lunch accommodation, comfortable.
VBI health insurance
12 days of annual leave
Quarterly travel opportunities
Dynamic and youthful working environment

CONTACT

PEGASI – IT Recruitment Consultancy | Email: recruit@pegasi.com.vn | Tel: +84 28 3622 8666
We are PEGASI – IT Recruitment Consultancy in Vietnam. If you are looking for new opportunity for your career path, kindly visit our website www.pegasi.com.vn for your reference. Thank you!

Job Summary

Company Type:

Product

Technical Skills:

NodeJS, Golang

Location:

Ha Noi - Viet Nam

Working Policy:

Onsite

Salary:

Negotiation

Job ID:

J01788

Status:

Close

Related Job:

OSS Software Engineer

Ho Chi Minh - Viet Nam

Product

  • C/C++

Collaborate with a small team of engineers to: Develop software primarily using C language Perform thorough software testing Deliver projects in phased releases Offer customer support for live operations Coordinate software development and support activities with the manager and the core development team based in California, USA

Negotiation

View details

Backend Engineer (Python/Kotlin)

Ho Chi Minh, Ha Noi - Viet Nam

Outsource

  • Python
  • Kotlin
  • AWS

Create and develop financial products on top of a core banking platform called Thought Machine Vault Create and develop event-driven microservices to enhance the functionality of the core banking platform Maintain and enhance service reliability through effective simulation, end-to-end, and performance tests Enhance SRE processes and offer production support for services Write high-quality, sustainable code using TDD Utilize Kubernetes and Docker for scheduling and running microservices Technology stack comprises mainly of Python and Kotlin/Java, with the flexibility to use the most suitable language for problem-solving Utilize PostgreSQL, Aurora, and S3 for persistence Harness the elastic AWS infrastructure Practice continuous integration and delivery Follow the approach of "you build it, you run it."

Negotiation

View details

Senior Full-stack Java Software Engineer

Ho Chi Minh - Viet Nam

Outsource

  • Java
  • Angular
  • Cloud

Create and uphold full-stack web applications using Java as the primary language, Spring Boot for the backend, and Angular (TypeScript) for the frontend. Develop and execute RESTful APIs with a focus on scalability, security, and performance. Engage in system design, technical discussions, and code review. Utilize AWS cloud services for the deployment and management of applications in production. Implement unit tests and integration tests to guarantee code quality. Contribute to Agile/Scrum teams alongside Product Owner, QA, and DevOps. Provide guidance and assistance to less experienced developers.

Negotiation

View details