Senior Software Engineer (Android & Full-Stack Web)

newtone consulting pte. ltd.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NEWTONE CONSULTING PTE. LTD. seeks a Senior Software Engineer with strong native Android and full-stack web development experience.

You will design, develop, and maintain secure, scalable applications across mobile and web platforms, collaborating with product, design, and infrastructure teams. Key responsibilities include building Android apps, web applications, REST APIs, and ensuring security and performance.

Qualifications

• 3-5+ years of software engineering experience.
• Hands-on Android SDK + Kotlin/Java.
• Proficient in JavaScript/TypeScript, React/Next.js, .NET, Java or similar web technologies.

Responsibilities

• Design, develop, and maintain native Android apps with offline capabilities.
• Build and enhance responsive, high-performance web applications.
• Develop and integrate RESTful APIs, databases, and authentication services.
• Ensure performance, security, scalability, and code quality.
• Implement automated testing, CI/CD pipelines, and deployment processes.
• Lead design discussions, code reviews, and mentor junior developers.
• Collaborate with cross-functional teams across the full SDLC.

Skills

Android SDK

Kotlin/Java

MVVM

SQLite

Offline sync

JavaScript/TypeScript

React/Next.js

REST APIs

SQL

CI/CD

Cloud

Security

UI/UX

Agile

Leadership

Job description

We are looking for a Senior Software Engineer with strong experience in native Android and full-stack web development . You will design, develop, and maintain secure, scalable applications across mobile and web platforms, working closely with product, design, and infrastructure teams.

Key Responsibilities

• Design, develop, and maintain native Android applications using Kotlin/Java, including offline capabilities and cloud synchronization.
• Build and enhance responsive, high-performance web applications.
• Develop and integrate RESTful APIs , databases, and authentication services.
• Ensure application performance, security, scalability, and code quality.
• Implement automated testing, CI/CD pipelines, and deployment processes.
• Lead technical design discussions, conduct code reviews, and mentor junior developers.
• Collaborate with cross-functional teams throughout the full SDLC.

Requirements

• 3-5+ years of software engineering experience , with proven technical leadership experience.
• Strong hands-on experience in Android SDK, Kotlin/Java, MVVM, SQLite , and offline synchronization.
• Proficiency in JavaScript/TypeScript, React/Next.js, .NET, Java , or similar web technologies.
• Experience developing REST APIs and integrating mobile and web applications.
• Strong knowledge of SQL databases , preferably Microsoft SQL Server.
• Familiarity with cloud/hybrid environments, CI/CD, and application security .
• Good understanding of UI/UX principles and software testing practices.
• Strong problem-solving, communication, and Agile teamwork skills.