Senior Software Engineer - Payments Modernization

Allegis Group Singapore Pte Ltd; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

Allegis Group Singapore Pte Ltd is seeking experienced Senior Software Engineers to support modernization of mission-critical payment systems. Candidates will focus on upgrading legacy systems while ensuring stability and compliance. Key skills include strong Java or Python expertise, knowledge of microservices, and experience with AWS.

The ideal applicant will enjoy working on system improvements and demonstrate leadership in a collaborative, lean team environment.

Qualifications

• Strong expertise in Java or Python.
• Experience with microservices and containerization (Kubernetes).
• Hands-on experience with cloud platforms like AWS.
• Solid understanding of testing, CI/CD, and observability.

Responsibilities

• Lead modernization of legacy applications for improved performance.
• Enhance application hygiene and system reliability.
• Implement containerized deployments using Kubernetes.
• Collaborate with engineering leads on technical design sessions.
• Identify and reduce technical debt in existing systems.

Skills

Java (preferably Java 21+)

Python

Microservices

Kubernetes

AWS or similar cloud platforms

Software engineering best practices

Job description

Allegis Group Singapore Pte Ltd is seeking experienced Senior Software Engineers to support modernization of mission-critical payment systems. Candidates will focus on upgrading legacy systems while ensuring stability and compliance. Key skills include strong Java or Python expertise, knowledge of microservices, and experience with AWS.

The ideal applicant will enjoy working on system improvements and demonstrate leadership in a collaborative, lean team environment.