Senior Java Engineer - Lead, Architect & Cloud

Hammerjack Pty Ltd; Makati; On-site; PHP 1,300,000 - 2,000,000; Full time

Job summary

Hammerjack Pty Ltd is seeking a Senior Software Engineer to design, develop, and maintain enterprise-grade software solutions. You will lead architecture, drive coding standards, and mentor engineers while collaborating with product owners and cross-functional teams to deliver scalable, secure applications.

You will guide the team in CI/CD, code quality, testing, and production support, with emphasis on performance, reliability, and continuous improvement across the development lifecycle.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Minimum of 7 years of professional software development experience, including the design, development, and delivery of enterprise-grade web applications.
• Strong full-stack development experience with modern front-end frameworks, specifically Angular
• Strong proficiency in back-end development using Java (Spring Boot) with experience building scalable, maintainable, and secure applications.
• Hands-on experience developing microservices and RESTful APIs using Spring Boot, or similar frameworks.
• Strong experience in web application development using JavaScript/TypeScript, HTML5, CSS3, and modern UI frameworks.
• Experience working with CSS frameworks and component libraries such as Tailwind CSS, Bootstrap, Material UI, or Angular Material.
• Strong experience with PostgreSQL, including database design, query optimization, indexing, performance tuning, and data modeling.
• Experience working with relational and NoSQL databases such as PostgreSQL, SQL Server, MongoDB, or similar technologies.
• Strong understanding of API design and development, including RESTful services, authentication and authorization mechanisms, API versioning, and integration of best practices.
• Experience using API development and testing tools such as Swagger/OpenAPI, Postman, and similar platforms.
• Experience working with source control systems and development workflows using Git.
• Experience with application lifecycle management, CI/CD pipelines, and DevOps practices using Azure DevOps, GitHub Actions, Jenkins, or similar platforms.
• Experience deploying, monitoring, and supporting applications in cloud environments, preferably Microsoft Azure.
• Strong understanding of software architecture, design patterns, SOLID principles, Object-Oriented Programming (OOP), data structures, and algorithms.
• Experience contributing to architecture decisions and designing scalable, high-performance, secure, and maintainable software solutions.
• Experience implementing automated testing strategies, including unit, integration, and end-to-end testing.
• Strong troubleshooting, debugging, and root cause analysis skills, with a proven ability to resolve complex production issues.
• Strong understanding of secure software development practices, including OWASP Top 10 vulnerabilities, Cross-Site Scripting (XSS), authentication, authorization, and data protection best practices.
• Experience working within Agile Scrum teams and participating in sprint planning, estimation, backlog refinement, reviews, and retrospectives.
• Excellent analytical and problem-solving skills with the ability to evaluate technical trade-offs and make sound engineering decisions.
• Strong written and verbal communication skills, with the ability to effectively collaborate with technical and non-technical stakeholders.
• Demonstrated ability to mentor junior engineers, conduct technical reviews, share knowledge, and promote engineering best practices.
• Strong commitment to continuous learning, innovation, quality, accountability, and delivering high-quality software solutions.
• Experience with containerization technologies such as Docker and Kubernetes is an advantage.
• Experience with messaging and event-driven architectures using Kafka, RabbitMQ, Azure Service Bus, or similar technologies is an advantage.
• Microsoft Azure certifications or equivalent cloud certifications are a plus.

Responsibilities

• Design, develop, test, deploy, and maintain software applications in accordance with established functional, technical, and quality standards.
• Lead the architecture and technical design of software solutions, ensuring scalability, performance, maintainability, and security.
• Collaborate with product managers, designers, business stakeholders, and engineering teams to translate requirements into effective technical solutions.
• Drive technical decision-making, balancing business objectives with engineering best practices and long-term sustainability.
• Write clean, efficient, reusable, and maintainable code using established design principles, patterns, and coding standards.
• Support, enhance, and modernize existing applications while proactively reducing technical debt.
• Champion software quality through code reviews, automated testing, continuous integration, and adherence to development standards.
• Identify, troubleshoot, and resolve complex technical issues, performance bottlenecks, and production incidents, including conducting root cause analysis and implementing preventive measures.
• Analyze and optimize application performance, reliability, scalability, and overall system health.
• Collaborate with DevOps teams to improve CI/CD pipelines, deployment processes, infrastructure automation, monitoring, and observability practices.
• Promote secure software development practices and ensure compliance with organizational and industry security standards, including OWASP recommendations.
• Mentor and guide junior engineers through technical leadership, knowledge sharing, code reviews, and professional development support.
• Participate in Agile ceremonies including sprint planning, estimation, reviews, retrospectives, and backlog refinement activities.
• Provide technical estimates, risk assessments, and recommendations to support project planning and delivery.
• Evaluate, recommend, and adopt emerging technologies, tools, and best practices that improve development efficiency, system reliability, and product quality.
• Drive a culture of continuous improvement, innovation, collaboration, and engineering excellence across the development team.

Skills

Full-stack development

Angular

Java Spring Boot

Microservices

RESTful APIs

JavaScript/TypeScript

PostgreSQL / NoSQL

CI/CD / DevOps

Azure cloud

OWASP security

Docker / Kubernetes

Git / version control

Education

Bachelor's degree in CS/Software Engineering/IT

Tools

Git

Azure DevOps

Jenkins

Postman

Swagger/OpenAPI

Job description

Hammerjack Pty Ltd is seeking a Senior Software Engineer to design, develop, and maintain enterprise-grade software solutions. You will lead architecture, drive coding standards, and mentor engineers while collaborating with product owners and cross-functional teams to deliver scalable, secure applications.

You will guide the team in CI/CD, code quality, testing, and production support, with emphasis on performance, reliability, and continuous improvement across the development lifecycle.