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Helius Technologies Pte Ltd

Mobile & Web Developer (.NET & Flutter)

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Summary

Mid–senior full-stack developer building cross-platform mobile apps with Flutter/Dart, web frontends with ReactJS, and .NET/C# backend microservices on SQL Server or Oracle databases. Day to day spans API design, complex SQL, end-to-end debugging, and AI-assisted coding with tools like GitHub Copilot.

Full Stack Mobile & Web Developer (.NET & Flutter)

Role Level:

Mid–Senior Level Location:

Singapore / Remote Role Overview

We are looking for a hands-on

Full Stack Mobile & Web Developer

to build, scale, and maintain applications across mobile, web, backend APIs, and enterprise databases. You will work directly across the entire software stack—developing cross-platform mobile apps using

Flutter/Dart , web applications using

ReactJS , and backend microservices using

.NET / C#

with

SQL Server or Oracle

databases. Key Responsibilities

Mobile & Web Development:

Develop responsive cross-platform mobile apps using

Flutter / Dart

and web frontends using

ReactJS . Backend APIs & Services:

Design, build, and integrate high-performance REST APIs and backend microservices using

.NET / C# . Databases & Integrations:

Write complex SQL queries, stored procedures, and integrations using

Microsoft SQL Server

and/or

Oracle . End-to-End Troubleshooting:

Debug, isolate, and resolve issues across mobile, web, API, and database layers. AI-Assisted Coding:

Leverage

GitHub Copilot

(or similar AI tools) to accelerate development, refactoring, and code reviews. Requirements & Qualifications

Mobile & Web Stack:

Hands-on experience with

Flutter / Dart

and

ReactJS . Backend Stack:

Proven proficiency in

.NET / C#

and RESTful API integration. Databases:

Strong SQL querying experience on

Microsoft SQL Server

and/or

Oracle . Engineering Tools:

Proficiency with

Git

and AI coding tools like

GitHub Copilot . Problem-Solving:

Strong analytical capabilities to investigate and solve complex technical bugs across all application layers. Preferred Skills

DevOps:

CI/CD pipeline automation and

Azure DevOps . Enterprise Features:

OAuth2, JWT, and enterprise system integration patterns. Important Note: Please share your resume in Word format with

(HIDDEN TEXT) If this requirement is not a match for you, please feel free to refer your friends. Interested professionals can reach out to me for a confidential discussion at

+65 68177759 . Best Regards, Arti C Sr. Talent Acquisition Helius Technologies Pte Ltd 36 Robinson Road, #13-05, City House, Singapore 068877 Mobile / WhatsApp:

+65 68177759 DID:

+65 6429-9407 Email:

(HIDDEN TEXT)

Skills

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