Senior Java Backend Developer

Role OverviewWe are looking for an experienced Senior Java Backend Developer with strong expertise in Java 17+, Spring Boot 3.x, REST API development, and Microservices Architecture. The ideal candidate will be responsible for designing, developing, deploying, and supporting scalable backend applications in a cloud environment. The role requires hands-on experience with AWS services, CI/CD pipelines, database technologies, and production support activities.Key Responsibilities Design, develop, and maintain high-performance backend applications using Java 17+ and Spring Boot 3.x. Develop and integrate scalable RESTful APIs following industry best practices. Build and maintain applications based on Microservices Architecture. Implement secure, reliable, and scalable backend solutions. Work with AWS cloud services including ECS, EC2, RDS, and CloudWatch for application deployment, monitoring, and troubleshooting. Develop and manage CI/CD pipelines using GitLab and Infrastructure as Code (IaC) practices. Collaborate with DevOps teams to automate build, deployment, and release processes. Work with Oracle and SQL databases, including database design, queries, optimization, and troubleshooting. Perform code reviews, debugging, performance tuning, and application enhancements. Provide Production Support / BAU Support for business-critical applications. Manage incidents, perform root cause analysis (RCA), and implement permanent fixes. Collaborate with cross-functional teams including QA, DevOps, Product Owners, and Business stakeholders. Required Skills & Experience 6+ years of experience in Java Backend Development. Strong hands-on experience with Java 17+. Extensive experience with Spring Boot 3.x. Strong understanding of REST API development and integration. Proven experience working with Microservices Architecture. Hands-on experience with AWS services: Amazon ECS Amazon EC2 Amazon RDS Amazon CloudWatch Experience with GitLab CI/CD pipelines and automation. Knowledge of Infrastructure as Code (IaC) concepts. Strong SQL skills with experience in Oracle databases. Experience in production application support and incident management. Good understanding of Agile development methodologies. Strong analytical and problem-solving skills. Good to Have Experience with container technologies such as Docker/Kubernetes. Knowledge of cloud security best practices. Experience with monitoring and logging tools. Exposure to enterprise-scale applications and high-availability systems.

Role Overview

We are looking for an experienced Senior Java Backend Developer with strong expertise in Java 17+, Spring Boot 3.x, REST API development, and Microservices Architecture. The ideal candidate will be responsible for designing, developing, deploying, and supporting scalable backend applications in a cloud environment. The role requires hands-on experience with AWS services, CI/CD pipelines, database technologies, and production support activities.

Key Responsibilities

• Design, develop, and maintain high-performance backend applications using Java 17+ and Spring Boot 3.x.
• Develop and integrate scalable RESTful APIs following industry best practices.
• Build and maintain applications based on Microservices Architecture.
• Implement secure, reliable, and scalable backend solutions.
• Work with AWS cloud services including ECS, EC2, RDS, and CloudWatch for application deployment, monitoring, and troubleshooting.
• Develop and manage CI/CD pipelines using GitLab and Infrastructure as Code (IaC) practices.
• Collaborate with DevOps teams to automate build, deployment, and release processes.
• Work with Oracle and SQL databases, including database design, queries, optimization, and troubleshooting.
• Perform code reviews, debugging, performance tuning, and application enhancements.
• Provide Production Support / BAU Support for business-critical applications.
• Manage incidents, perform root cause analysis (RCA), and implement permanent fixes.
• Collaborate with cross-functional teams including QA, DevOps, Product Owners, and Business stakeholders.

Required Skills & Experience

• 6+ years of experience in Java Backend Development.
• Strong hands-on experience with Java 17+.
• Extensive experience with Spring Boot 3.x.
• Strong understanding of REST API development and integration.
• Proven experience working with Microservices Architecture.
• Hands-on experience with AWS services:
• Amazon ECS
• Amazon EC2
• Amazon RDS
• Amazon CloudWatch
• Experience with GitLab CI/CD pipelines and automation.
• Knowledge of Infrastructure as Code (IaC) concepts.
• Strong SQL skills with experience in Oracle databases.
• Experience in production application support and incident management.
• Good understanding of Agile development methodologies.
• Strong analytical and problem-solving skills.

Good to Have

• Experience with container technologies such as Docker/Kubernetes.
• Knowledge of cloud security best practices.
• Experience with monitoring and logging tools.
• Exposure to enterprise-scale applications and high-availability systems.

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.