Senior Software Engineer (Digital Banking)

ANTAS PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

ANTAS PTE. LTD. in Singapore seeks a Senior Java Full Stack Developer to design and build scalable backend services and modern web apps using Java, Spring Boot, ReactJS and TypeScript.

You will work across the SDLC, implement CI/CD with Jenkins and GitLab, containerize with Docker/Kubernetes, and ensure security with OAuth/JWT while delivering high-availability enterprise banking solutions. Strong collaboration with architects and cross-functional teams is expected.

Qualifications

• Strong experience with Java 8+ and microservices.
• Hands-on with ReactJS, TypeScript and Redux.
• Solid knowledge of REST APIs, JSON/XML.
• Experience with Docker, Kubernetes and CI/CD tools.
• Security focus: OAuth/JWT, secure coding practices.

Responsibilities

• Design and develop scalable microservices and REST APIs using Java and Spring Boot.
• Develop responsive frontend apps with ReactJS, TypeScript and Redux.
• Build enterprise banking applications with high availability and performance.
• Participate in full SDLC including development, testing, deployment and support.
• Implement CI/CD pipelines using Jenkins and GitLab CI/CD; containerize with Docker/Kubernetes.
• Ensure security and code quality with OAuth/JWT and SonarQube.
• Collaborate with architects, product owners, and cross-functional teams.

Skills

Java 8+

REST APIs

OAuth / JWT security

Cloud-native architectures

SDLC / production support

Tools

Spring Boot

ReactJS

TypeScript

Redux

Docker

Kubernetes

Jenkins

GitLab CI/CD

SonarQube

Job description

We are seeking a Senior Java Full Stack Developer with strong experience in enterprise banking applications, microservices, cloud-native development, and digital banking solutions. The candidate will be responsible for developing scalable backend services and modern web applications using Java, Spring Boot, ReactJS and TypeScript.

Key Responsibilities

• Design and develop scalable microservices and REST APIs using Java and Spring Boot.
• Develop responsive and secure frontend applications using ReactJS, TypeScript and Redux.
• Build and enhance enterprise banking and financial applications with high availability and performance.
• Participate in the complete SDLC, including architecture, development, testing, deployment, and production support.
• Implement CI/CD pipelines and DevOps practices using Jenkins and GitLab CI/CD.
• Develop containerized applications using Docker and Kubernetes.
• Implement application security using OAuth, JWT and secure coding practices.
• Perform application performance optimization, code reviews and quality improvements.
• Work closely with solution architects, product owners, business teams, and cross-functional engineering teams.
• Ensure compliance with security, coding and quality standards for banking applications.

Mandatory Skills & Experience

• Strong experience in Java 8+, Spring Boot and Microservices Architecture.
• Hands-on experience with ReactJS, TypeScript and Redux.
• Strong knowledge of REST APIs, JSON and XML.
• Experience in Docker, Kubernetes and Jenkins.
• Experience with GitLab CI/CD and SonarQube.
• Strong understanding of OAuth, JWT and application security.
• Experience developing BFSI / Digital Banking applications is mandatory.
• Experience with enterprise application development and cloud-native technologies.
• Strong understanding of software development lifecycle, testing and production support.
• Good analytical, troubleshooting, and problem-solving skills.