👨🏻‍💻 postech.work

Senior Fullstack Developer (Web & Mobile)

TPIsoftware • 🌐 In Person

In Person Posted 13 hours, 16 minutes ago

Job Description

About the role

We are looking for a

Senior Fullstack Mobile Developer

to join our engineering team and help us build a

next-generation fund trading platform

that empowers investors with seamless digital experiences across

web and mobile

.

This role is perfect for someone who enjoys working

end-to-end

: from frontend UI development to backend integration, and wants to take part in building a

high-impact Fintech product

from the ground up. You will be expected to

design, develop, and maintain mobile-first applications

, ensure scalability and security, and collaborate closely with backend engineers, product managers, and UX/UI designers.

As a

senior member

, you will also contribute to

architecture decisions, mentoring junior engineers, and shaping the future direction

of our frontend \& mobile stack.

【Job Description】

🔹

Product Development

Build and maintain

cross-platform applications

using

Flutter

(primary) or

React Native

to deliver consistent performance on iOS and Android.

Develop responsive

web applications

with

React.js / Next.js

to ensure a seamless experience across desktop and mobile browsers.

Implement

real-time trading interfaces, dashboards, charts, and analytics

for investors.

Ensure smooth API integration with backend services (REST \& GraphQL).

🔹 Technical Leadership

Participate in defining

frontend and mobile architecture

(state management, modularization, performance optimization).

Propose and implement best practices for

coding standards, CI/CD pipelines, testing, and deployment

.

Contribute to system design discussions, offering expertise on

frontend performance, scalability, and user experience

.

Support the backend team in designing

API contracts, data models, and security layers

.

🔹 Quality \& Performance

Ensure

high-performance rendering

and smooth interactions on mobile devices.

Conduct

code reviews, testing, and debugging

to maintain high code quality.

Optimize apps for

offline usage, caching strategies, and push notifications

.

Collaborate with QA to ensure apps meet

financial-grade quality standards

.

🔹 Team Collaboration \& Mentorship

Work closely with

Product Managers, BAs, and UX/UI designers

to translate business needs into working features.

Mentor junior and mid-level developers, providing guidance on

frontend/mobile technologies, design patterns, and best practices

.

Act as a role model for agile development, encouraging

knowledge sharing and continuous learning

.

🔹 Innovation \& Growth

Stay up to date with the latest in

mobile, web, and cloud technologies

.

Suggest and evaluate new tools and frameworks to improve developer productivity.

Contribute to building an

engineering culture

that values

clean code, scalability, and innovation

.

【Job Requirements】

Bachelor’s degree in Computer Science, Software Engineering, or related field.

5+ years of experience

in software development with significant focus on

mobile and web applications

.

Proficiency in

JavaScript/TypeScript

, with strong hands-on experience in

React.js / Next.js

and

Flutter (or React Native)

.

Experience in

state management

libraries: Redux, MobX, Provider, or Bloc.

Solid understanding of

API integration, GraphQL, authentication, session management, and real-time data

.

Strong grasp of

UI/UX design principles

, responsive layouts, and accessibility standards.

Familiarity with

DevOps practices

(CI/CD pipelines, Docker, Kubernetes is a plus).

Prior experience in

Fintech or high-performance trading applications

is preferred.

Strong problem-solving skills, ability to work independently, and leadership mindset.

Good communication skills in English; comfortable working in international teams.

Address

7th floor, Room 706-707-708 Hoang Anh Safomec Office Building, No.7/1 Thanh Thai Street, Ward Dien Hong, Ho Chi Minh City

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