Jobs at Billigence

Develop and maintain enterprise e-invoice integration flows using Software AG webMethods. Troubleshoot XML, database, middleware, SFTP, scheduled-job, and production integration issues; perform root-cause analysis; implement fixes; and support UAT and production deployments. The role requires webMethods Integration Server and Designer, flow services, mappings, transformations, exception handling, SQL, XML/UBL, REST/SOAP integrations, and production support. Experience with Peppol, encryption, Control-M, Java, scripting, Git, CI/CD, and Postman is advantageous.

Develop and maintain high-volume, mission-critical mobile applications, primarily for Android and potentially iOS. Responsibilities include using React Native, JavaScript, HTML, CSS, and Android SDK; supporting the full mobile development lifecycle; and collaborating with a leading client in Singapore. This is an initial 6–12 month contract with potential extension.

Build, maintain, and optimize scalable full-stack applications using React.js and Java. Develop microservices and API integrations, manage CI/CD pipelines, and architect cloud infrastructure on AWS or Azure using Kubernetes, EKS, or AKS. Troubleshoot frontend, backend, and infrastructure issues while improving application performance, security, and scalability. Collaborate cross-functionally and apply modern full-stack development practices.

Develop and maintain backend services using Java, microservices, Spring Boot, REST APIs, AWS, and Kubernetes. Apply object-oriented programming, test-driven development, JUnit, build automation, and CI/CD practices. Collaborate with a leading client and communicate effectively with technical and business stakeholders. Candidates must be based in Singapore and able to start within four weeks.

Design, develop, and maintain scalable Java backend applications and secure REST APIs using Spring Boot, microservices, and event-driven architecture. Build cloud-native data solutions, implement automated testing and CI/CD, manage Kubernetes deployments and production releases, and provide on-call support. Lead incident resolution, root cause analysis, observability, performance optimization, code reviews, mentoring, documentation, and continuous improvement.