Principal Software Engineer (Java/Ruby/Golang)

ABOUT CLIENT

Our client is a building printing and marketing solutions

JOB DESCRIPTION

Create and manage top-notch, adaptable, and protected application for our platform facilities.
Maintain excellent code quality and system stability through code evaluations, testing, and operational best practices.
Work together efficiently with other engineers, product managers, and team members from various locations in a positive and considerate manner.
Be responsible for the complete development process, from execution to ongoing enhancement of our fundamental services.
Guide and have an impact on other engineers in the office to help them improve their technical expertise and encourage a culture of technical brilliance within the team.

JOB REQUIREMENT

A minimum of 7 years of experience working as a server-side engineer
Proficiency in developing medium-to-large scale applications
Quick learner with the ability to adapt to new technologies based on architectural and technical requirements
Excellent communication skills and the ability to collaborate effectively with team members
Track record of enhancing the technical capabilities of the team and experience in mentoring and developing junior to mid-level engineers
Familiarity with Ruby, Java/Kotlin or Go
Experience in developing platform services
Knowledge of modernizing legacy applications

WHAT'S ON OFFER

Requires a minimum of 15 annual leave days
Includes private healthcare benefits
Salary reviewed twice a year with performance bonuses
Provides MacBook Pro, ergonomic chairs, and a 140cm wide desk
Offers office drinks and snacks, as well as a monthly team-building party

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:

Java, AWS, Golang, Ruby

Location:

Ho Chi Minh - Viet Nam

Working Policy:

Hybrid

Salary:

Negotiation

Job ID:

J01607

Status:

Close

Related Job:

Senior Signal Processing Engineer

Others - Viet Nam

Outsource

  • Python

Design and improve rPPG/TOI pipelines using RGB/IR video with motion/illumination compensation. Implement multi-stage preprocessing, denoising, and quality scoring. Examples: adaptive filtering, ICA/PCA variants, color-space transforms, skin ROI stabilization, signal confidence metrics. o Build cross-device normalization strategies and error-bounded estimators. Define biomarker-level acceptance criteria and failure modes for consumer-grade capture. Partner with iOS and ML teams to integrate algorithms into on-device or hybrid pipelines. Produce technical documentation suitable for regulatory-risk positioning and Apple review support. Benchmark report across device models, skin tones, lighting, and motion conditions. Biomarker feature specification sheet with recommended thresholds and confidence bands. A/B results showing improvements in stability, missingness, and downstream inference performance.

Negotiation

View details

Senior Mobile App Development Engineer

Others - Viet Nam

Outsource

  • iOS

Develop and enhance capture flows using TrueDepth, ARKit, AVFoundation, and CoreMotion. Convert algorithm requirements into reliable on-device data collection and frame synchronization. Create user-friendly quality control interface and capture-state instrumentation, including tasks such as lighting checks, face alignment, motion thresholds, occlusion detection, and retake prompts. Improve latency, thermal behavior, and battery usage for 10-second diagnostic-style capture. Ensure data privacy and compliance with privacy regulations in telemetry. Create technical documentation for the use of specific APIs and data handling for Apple's internal use. Build a modular capture SDK layer with feature flags and logging capabilities. Develop a cross-device performance matrix and tuning guide. Integrate deterministic quality control gates to minimize noisy biomarker outputs in the capture process.

Negotiation

View details

Senior Software Engineer, Machine Learning

Ho Chi Minh - Viet Nam

Product

  • Machine Learning

Building and maintaining high-scale ML pipelines using big data technologies (Spark, BigQuery, Delta Lake), writing reliable, testable, and maintainable production-ready code. Leveraging modern ML platforms like Vertex AI or Databricks to orchestrate workflows and optimizing models for both batch/offline training and real-time/streaming inference with a focus on low latency. Gaining a deep understanding of specific domain challenges (e.g., fraud detection, location spoofing) to engineer better features and network-level intelligence that go beyond algorithms. Championing best practices in software engineering, including CI/CD, automated testing, code reviews, and documentation to ensure ML systems are built to software engineering standards, not just research scripts. Acting as a technical lead for projects, defining milestones and ensuring on-time delivery, mentoring Data Scientists on engineering best practices, and collaborating with other engineers to integrate models into the wider platform.

Negotiation

View details