Lead Backend Engineer- Kotlin (Java)- 6 months Contract- 70k

Responsibilities

• Design, develop, and maintain scalable backend services and cloud-native applications

• Architect and implement microservices-based systems following best practices and design patterns

• Collaborate with cross-functional teams (product, frontend, DevOps) to deliver high-quality solutions

• Ensure code quality through TDD, code reviews, and adherence to engineering standards

• Build and optimize CI/CD pipelines, ensuring smooth and secure deployments

• Monitor system performance, troubleshoot production issues, and implement performance optimizations

• Drive technical design discussions and contribute to architectural decisions

• Mentor junior engineers and share best practices across the team

• Continuously improve system reliability, scalability, and security

Requirements

• You hold a Degree in Computer Science (Bachelor's/Master's) and are committed to high-quality code and continuous learning

• You have 8+ years of professional backend experience in enterprise environments, specializing in Modern Java (17/21), Kotlin, and the Spring Boot ecosystem

• You are proficient with Relational and NoSQL databases (PostgreSQL, MongoDB, Redis) and messaging systems (Kafka, RabbitMQ)

• You have deep expertise in Microservices and Domain-Driven Design (DDD), with a strong grasp of SOLID principles and Design Patterns

• You champion TDD (Test Driven Development) using tools such as JUnit, Kotest, WireMock, and Testcontainers to ensure robust system reliability through Unit and Integration testing

• You develop Cloud Native Applications (AWS preferred: EKS, RDS, S3) and manage CI/CD pipelines via GitHub Actions and ArgoCD, including vulnerability scanning

• You integrate security best practices (OWASP, OAuth2/OIDC) and leverage AI-assisted development tools to maintain an efficient workflow

• You are experienced in monitoring & observability, troubleshooting production issues, and performance optimization

• You possess strong communication skills for stakeholder management in Agile environments; experience as a Team Lead or Scrum Master is a plus

• You enjoy making architectural decisions and sharing your knowledge of the latest technologies

Argyll Scott Asia is acting as an Employment Business in relation to this vacancy.