JAVA Backend Developer with API Expertise

We are looking for a Senior Java Backend Engineer to support and enhance our API and microservices ecosystem in a cloud-native AWS environment. This role focuses on BAU (Business-As-Usual) support, ensuring system stability, performance, and continuous improvement of backend services.• Provide BAU support for Java-based microservices and APIs, ensuring high availability and reliability • Design, develop, and maintain scalable microservices using Java (17+) and Spring Boot (3.x) • Manage and support cloud infrastructure on AWS (ECS, EC2, RDS)• Monitor system performance and troubleshoot issues using tools like Grafana and CloudWatch • Implement and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline • Collaborate with cross-functional teams to resolve production issues and deploy enhancements • Support integration with identity and access management systems (Okta)• Work with MuleSoft for API integrations and middleware support• Ensure adherence to best practices in coding, security, and performance optimization • Participate in incident management, root cause analysis, and continuous improvement initiativesRequirements• Experience with containerization and orchestration (Docker, Kubernetes) • Exposure to security best practices in cloud environments • Familiarity with Agile/Scrum methodologies• Strong problem-solving and analytical skills• Ability to work in a fast-paced BAU support environment ROLE PROFILE• Excellent communication and stakeholder management skills • Proactive mindset with ownership of production system• 8+ years of experience in Java backend development • Strong expertise in Java 17+ and Spring Boot 3.x • Proven experience in building and supporting microservices and REST/GraphQL APIs • Hands-on experience with AWS services: ECS, EC2, RDS • Experience with Infrastructure as Code (IaC) • Proficiency in CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline • Strong knowledge of SQL, Oracle and relational databases • Experience with monitoring and logging tools such as Grafana and AWS CloudWatch • 3+ years of experience with Okta for authentication/authorization • 3+ years of experience with MuleSoft for API integration

We are looking for a Senior Java Backend Engineer to support and enhance our API and microservices ecosystem in a cloud-native AWS environment. This role focuses on BAU (Business-As-Usual) support, ensuring system stability, performance, and continuous improvement of backend services.

• Provide BAU support for Java-based microservices and APIs, ensuring high availability and reliability

• Design, develop, and maintain scalable microservices using Java (17+) and Spring Boot (3.x)

• Manage and support cloud infrastructure on AWS (ECS, EC2, RDS)

• Monitor system performance and troubleshoot issues using tools like Grafana and CloudWatch

• Implement and maintain CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

• Collaborate with cross-functional teams to resolve production issues and

deploy enhancements

• Support integration with identity and access management systems (Okta)

• Work with MuleSoft for API integrations and middleware support

• Ensure adherence to best practices in coding, security, and performance optimization

• Participate in incident management, root cause analysis, and continuous improvement initiatives

Requirements

• Experience with containerization and orchestration (Docker, Kubernetes)

• Exposure to security best practices in cloud environments

• Familiarity with Agile/Scrum methodologies

• Strong problem-solving and analytical skills

• Ability to work in a fast-paced BAU support environment

ROLE PROFILE

• Excellent communication and stakeholder management skills

• Proactive mindset with ownership of production system

• 8+ years of experience in Java backend development

• Strong expertise in Java 17+ and Spring Boot 3.x

• Proven experience in building and supporting microservices and REST/GraphQL APIs

• Hands-on experience with AWS services: ECS, EC2, RDS

• Experience with Infrastructure as Code (IaC)

• Proficiency in CI/CD pipelines using GitLab, AWS CodeCommit, and CodePipeline

• Strong knowledge of SQL, Oracle and relational databases

• Experience with monitoring and logging tools such as Grafana and AWS CloudWatch

• 3+ years of experience with Okta for authentication/authorization

• 3+ years of experience with MuleSoft for API integration

Unison Consulting was launched in Singapore on September 2012, the hub of the financial industry, with innovative visions in the technocratic arena. We are a boutique next-generation Technology Company with strong business-interests in Liquidity risk, Market Risk, Credit Risk and Regulatory Compliance. Unison provides technology consulting and services to implement Risk Management and Risk Analytics System for Financial Institutions. Our services suite comprises of Techno-Functional consulting, systems integration, Business Intelligence, information management, and custom development of IT solutions, plus project management expertise for financial institutions. We have expertise in latest cutting edge technology to achieve better total cost of ownership. Through our qualified professionals, we assist you drive your unique risk management strategies, whether that means efficient monitoring, improving risk appetite of the financial institutions, complying with regulations, or capturing growth opportunities through innovation, this is what maximizes your decision taking potential. At Unison Consulting, we view clients as partners, and our success is only measured by the success of our partners. So we put it all on the table in order to exceed expectations. Our staff consists of young, energetic and innovative consultants who are never afraid to challenge the conventions and push the boundaries in an effort to help our clients. For every project, no matter how large or how small, we strive to not only meet your needs, but deliver a showcase in your field.

Unison Consulting was launched in Singapore on September 2012, the hub of the financial industry, with innovative visions in the technocratic arena. We are a boutique next-generation Technology Company with strong business-interests in Liquidity risk, Market Risk, Credit Risk and Regulatory Compliance. Unison provides technology consulting and services to implement Risk Management and Risk Analytics System for Financial Institutions.

Our services suite comprises of Techno-Functional consulting, systems integration, Business Intelligence, information management, and custom development of IT solutions, plus project management expertise for financial institutions. We have expertise in latest cutting edge technology to achieve better total cost of ownership. Through our qualified professionals, we assist you drive your unique risk management strategies, whether that means efficient monitoring, improving risk appetite of the financial institutions, complying with regulations, or capturing growth opportunities through innovation, this is what maximizes your decision taking potential.

At Unison Consulting, we view clients as partners, and our success is only measured by the success of our partners. So we put it all on the table in order to exceed expectations. Our staff consists of young, energetic and innovative consultants who are never afraid to challenge the conventions and push the boundaries in an effort to help our clients. For every project, no matter how large or how small, we strive to not only meet your needs, but deliver a showcase in your field.