Senior Front End Engineer (Reactjs)

JOB DESCRIPTION

Involved in all phases of software engineering, from inception to coding, testing, delivery and operation.
Develop high-quality code that follows best practices and clean code principles.
Advocate for improvements to product quality, security and performance.
Collaborate with other engineers or team members on various layers of the infrastructure, in order to design and launch new features.
As an experienced engineer, interact with the client in order to understand and characterize their needs and advise them if necessary.

JOB REQUIREMENT

At least 5+ years experience in JavaScript and more than 2+ years in ReactJS
Some experience in BE with either Java or Scala
Working experience of various JavaScript frameworks. We currently use npm, webpack, React, Redux, React-Router, node.js, Express.js, Promises, Babel, ESLint
Working experience with automated unit and integration testing (Junit, Mockito, Sinon, Jest, Mockery)
Working experience with a UI library
Working experience with databases
Working experience with version control (GIT and version control repositories as GitHub would be a plus)
Familiar with Linux and virtualization, preferable Docker
Familiar with continuous integration tools
Have experience/knowledge of Microservices and Docker container technology managed with Kubernetes
Strong communication abilities: being comfortable with collaboration, open communication and reaching across functional borders
Mindset/Ways of working: have a systematic problem solving approach, coupled with a strong sense of ownership and drive.
Focused on lowering the meantime between having ideas and making stuff happen
Agility: being familiar with Agile and Lean methodologies
Very good fluency in English (written and verbal).

WHAT'S ON OFFER

Flexible working hours. Flexible working location.
Choose your Macbook.
13th-month salary. Performance bonus.
22 days annual leave. 10 days of sick leave/dependence care. 1-day birthday leave.
Private health insurance for employees. Cover for up to 5 dependents.
Budget for personal development. Additionally, access to internal learning platforms (M.Power, House of Learning, etc.) and external ones (O’Reilly, etc.). English training provided.
Monthly allowances for meals, phone, transportation, etc.
Monthly team event. Quarterly family activity. Annual company trip.

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:

ReactJS

Location:

Ho Chi Minh - Viet Nam

Working Policy:

Salary:

Negotiation

Job ID:

J01311

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 Data Analyst, Anti-spoofing Operation

Ho Chi Minh - Viet Nam


Product

  • Data Analyst

Lead and develop analytical initiatives to address fraud detection challenges, from problem definition through implementation, monitoring, and continuous optimization. Spearhead strategic efforts to combat emerging fraud patterns and develop innovative detection approaches through data analysis, testing, and impact measurement. Design and implement production-grade data pipelines, automated workflows, and advanced analytical frameworks using statistical methods, machine learning, and geospatial analysis. Conduct in-depth analyses of complex fraud operations and develop behavioral analytics systems. Translate technical findings into actionable recommendations for leadership, product teams, and engineering. Lead compliance analytics initiatives and define evaluation metrics for new features. Provide technical guidance and mentorship, establish best practices, and contribute to hiring top talent in analytics.

Negotiation

View details