Solution Architect

BIGTAPP PTE. LTD.; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

BIGTAPP PTE. LTD. is seeking a Software Architect / Full Stack Engineer in Singapore with deep expertise in Java, Spring Boot, microservices and API integration.

The role covers backend and frontend work, cloud deployments and secure, scalable enterprise applications for financial systems. You will design, develop and modernize applications, implement secure integrations, and collaborate with cross-functional teams in an agile environment.

Qualifications

• 10+ years of experience in software development / architecture.
• Strong hands-on experience in Java and Spring Boot.
• Strong experience in Microservices and REST APIs.
• Experience with React / Angular and full-stack development.
• Experience with AWS / Azure cloud environments.
• Experience with enterprise integration, APIs and messaging.
• Good knowledge of SQL and relational databases.
• Experience with CI/CD, DevSecOps and application security.
• Strong troubleshooting and problem-solving skills.
• Experience in banking, financial services or other regulated environments is preferred.

Responsibilities

• Design and develop scalable enterprise applications and microservices.
• Develop backend services using Java, Spring Boot, REST APIs and JPA/Hibernate.
• Develop frontend applications using React and Angular.
• Design and implement enterprise system integrations and APIs.
• Work with payment systems and financial messaging, including SWIFT.
• Work with cloud platforms such as AWS and Azure.
• Develop and maintain CI/CD pipelines using GitHub Actions and Jenkins.
• Perform application modernization, migration and security improvements.
• Identify and remediate application and dependency vulnerabilities.
• Work with databases such as PostgreSQL, Oracle, SQL Server and MySQL.
• Support automated testing using JUnit, xUnit, Selenium and Cucumber.
• Collaborate with architecture, development and business teams in Agile environments.

Skills

Java

Spring Boot

Microservices

REST APIs

React/Angular

AWS/Azure

Enterprise integration

SQL/Relational DBs

CI/CD/DevSecOps

Application security

Troubleshooting

Job description

Role Overview

We are looking for a Software Architect / Full Stack Engineer with strong experience in Java, Spring Boot, microservices, APIs, cloud, and enterprise application integration. The role will involve designing and developing secure, scalable applications and working with financial and enterprise systems.

Key Responsibilities

• Design and develop scalable enterprise applications and microservices.
• Develop backend services using Java, Spring Boot, REST APIs and JPA/Hibernate.
• Develop frontend applications using React and Angular.
• Design and implement enterprise system integrations and APIs.
• Work with payment systems and financial messaging, including SWIFT.
• Work with cloud platforms such as AWS and Azure.
• Develop and maintain CI/CD pipelines using GitHub Actions and Jenkins.
• Perform application modernization, migration and security improvements.
• Identify and remediate application and dependency vulnerabilities.
• Work with databases such as PostgreSQL, Oracle, SQL Server and MySQL.
• Support automated testing using JUnit, xUnit, Selenium and Cucumber.
• Collaborate with architecture, development and business teams in Agile environments.

Required Skills

• 10+ years of experience in software development / architecture.
• Strong hands-on experience in Java and Spring Boot.
• Strong experience in Microservices and REST APIs.
• Experience with React / Angular and full-stack development.
• Experience with AWS / Azure cloud environments.
• Experience with enterprise integration, APIs and messaging.
• Good knowledge of SQL and relational databases.
• Experience with CI/CD, DevSecOps and application security.
• Strong troubleshooting and problem-solving skills.
• Experience working in banking, financial services or other regulated environments is preferred.

Good to Have

• SWIFT / payment processing experience.
• Kafka, IBM MQ, MuleSoft or Boomi.
• Python and AWS MWAA.
• Docker and GitHub Actions.
• SAML, OAuth, SSO and MFA.
• Experience with financial systems or investment management platforms.