Senior Enterprise Java Architect & Tech Lead

dna infotech pte. ltd.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

dna infotech pte. ltd. is seeking an experienced Enterprise Java Technical Lead to drive architecture, modernization, and delivery of high-performance enterprise applications and cloud-native platforms in Singapore.

The role blends hands-on engineering, technical leadership, and architecture responsibility, guiding distributed teams toward engineering excellence while translating complex business needs into robust technical solutions.

Qualifications

• 12+ years of software engineering experience.
• Extensive enterprise Java development experience.
• Hands-on engineering, architecture, and leadership.
• Translate complex business requirements into robust technical solutions.
• Guide distributed engineering teams toward engineering excellence.

Responsibilities

• Lead architecture and development of enterprise-grade Java applications, microservices, and REST/SOAP APIs.
• Design and modernize scalable solutions using Java 8–21, Spring Boot, Spring Cloud, Hibernate, and Spring Security.
• Drive migration of legacy applications toward modern, decoupled, cloud-native architectures with minimal disruption.
• Design distributed systems and event-driven solutions using Kafka, RabbitMQ, JMS.
• Build secure APIs and integrations using OAuth2, JWT, API authentication, OpenAPI/Swagger.
• Lead technical design reviews and establish engineering standards based on SOLID, TDD, DDD, design patterns, and clean architecture.
• Develop and enforce automated testing, code quality, CI/CD, and deployment practices using JUnit, Mockito, SonarQube, Jenkins, Docker, and Kubernetes.
• Design solutions across relational and NoSQL databases (PostgreSQL, MySQL, MS SQL, MongoDB, Snowflake, Redis).
• Drive cloud adoption and deployment across AWS environments (EC2, ECS, Fargate, RDS, S3, CloudWatch).
• Troubleshoot production and performance issues and perform capacity, scalability, and performance assessments.
• Lead zero-downtime deployment strategies and ensure high availability, resilience, and operational stability.
• Partner with product managers, architects, and stakeholders to translate requirements into practical solutions.
• Mentor engineers, conduct code reviews, and foster continuous improvement and knowledge sharing.
• Lead globally distributed engineering teams and ensure predictable delivery in Agile/Scrum environments.

Job description

dna infotech pte. ltd. is seeking an experienced Enterprise Java Technical Lead to drive architecture, modernization, and delivery of high-performance enterprise applications and cloud-native platforms in Singapore.

The role blends hands-on engineering, technical leadership, and architecture responsibility, guiding distributed teams toward engineering excellence while translating complex business needs into robust technical solutions.