Senior Backend Engineer

Senior Backend Software We are seeking a skilled Senior Backend Engineer to join our agile development team. In this role, you will be responsible for designing, developing, and maintaining scalable backend services and APIs , while contributing to architectural decisions and mentoring junior developers. Key Responsibilities: • Design and develop robust, scalable backend services using Java Spring Boot/Kotlin/C# • Architect and implement RESTful APIs and microservices following best practices • Design and implement cloud-native solutions using AWS services • Lead the design and implementation of database schemas and data models • Ensure high performance, reliability, and security of backend systems • Collaborate with frontend developers and other stakeholders to define and implement API contracts • Mentor junior developers and conduct thorough code reviews • Participate in system design discussions and technical planning • Implement and maintain CI/CD pipelines • Troubleshoot production issues and optimise system performance Required Skills and Experience: • 8+ years of professional software development experience • Strong expertise in either Java Spring Boot, Kotlin, or C# (.NET Core) • Extensive experience with RESTful APIs and microservices architecture • Proven experience with AWS services including: o AWS Lambda and serverless architecture o Amazon ECS/EKS o Amazon RDS and DynamoDB o Amazon S3 o AWS CloudFormation/CDK o Amazon CloudWatch o AWS IAM and security best practices • Proficient in SQL and experience with both relational and NoSQL databases • Strong understanding of software design patterns and principles (SOLID, DRY, etc.) • Experience with version control systems (Git) and CI/CD practices • Knowledge of testing methodologies and frameworks (JUnit, TestNG, NUnit) • Experience with agile development practices • Strong analytical and problem-solving skills Good to Have: • AWS certifications (Solutions Architect, Developer) • Experience with container orchestration (Kubernetes, Docker) • Experience with message queuing systems (Kafka, RabbitMQ) • Familiarity with reactive programming • Experience with Singapore Government IT projects • Knowledge of Singapore Government Technology Stack (SGTS) • Experience integrating with SingPass and CorpPass authentication • Understanding of government security policies and compliance requirements • Experience with performance monitoring tools and APM solutions • Experience with event-driven architecture Technical Skills: • Languages: Java 11+/Kotlin/C# • Frameworks: Spring Boot, Spring Cloud, .NET Core • Infrastructure as Code using Terraform • Databases: PostgreSQL, MySQL, MongoDB, DynamoDB • Tools: Maven/Gradle, Git, Jenkins/GitLab CI • Testing: JUnit, Mockito, TestContainers • Documentation: Swagger/OpenAPI • Monitoring: CloudWatch, ELK Stack, Prometheus, Grafana What We Offer: • Opportunity to work on impactful government digital services • Technical leadership opportunities • Professional development and AWS certification support • Competitive compensation package • Flexible working arrangements • Regular knowledge sharing sessions • Collaborative team environment If you are passionate about backend development and cloud architecture, and want to contribute to meaningful public sector projects, we would love to hear from you. **We regret to inform that only shortlisted candidates will be notified. Personal data collected will be used for recruitment purposes**